2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include "dm_services_types.h"
28 #include "dc/inc/core_types.h"
32 #include "amdgpu_display.h"
33 #include "amdgpu_ucode.h"
35 #include "amdgpu_dm.h"
36 #include "amdgpu_pm.h"
38 #include "amd_shared.h"
39 #include "amdgpu_dm_irq.h"
40 #include "dm_helpers.h"
41 #include "dm_services_types.h"
42 #include "amdgpu_dm_mst_types.h"
43 #if defined(CONFIG_DEBUG_FS)
44 #include "amdgpu_dm_debugfs.h"
47 #include "ivsrcid/ivsrcid_vislands30.h"
49 #include <linux/module.h>
50 #include <linux/moduleparam.h>
51 #include <linux/version.h>
52 #include <linux/types.h>
53 #include <linux/pm_runtime.h>
54 #include <linux/firmware.h>
57 #include <drm/drm_atomic.h>
58 #include <drm/drm_atomic_helper.h>
59 #include <drm/drm_dp_mst_helper.h>
60 #include <drm/drm_fb_helper.h>
61 #include <drm/drm_edid.h>
63 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
64 #include "ivsrcid/irqsrcs_dcn_1_0.h"
66 #include "dcn/dcn_1_0_offset.h"
67 #include "dcn/dcn_1_0_sh_mask.h"
68 #include "soc15_hw_ip.h"
69 #include "vega10_ip_offset.h"
71 #include "soc15_common.h"
74 #include "modules/inc/mod_freesync.h"
76 #define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
77 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
79 /* basic init/fini API */
80 static int amdgpu_dm_init(struct amdgpu_device *adev);
81 static void amdgpu_dm_fini(struct amdgpu_device *adev);
84 * initializes drm_device display related structures, based on the information
85 * provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
86 * drm_encoder, drm_mode_config
88 * Returns 0 on success
90 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev);
91 /* removes and deallocates the drm structures, created by the above function */
92 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm);
95 amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector);
97 static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
98 struct amdgpu_plane *aplane,
99 unsigned long possible_crtcs);
100 static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
101 struct drm_plane *plane,
102 uint32_t link_index);
103 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
104 struct amdgpu_dm_connector *amdgpu_dm_connector,
106 struct amdgpu_encoder *amdgpu_encoder);
107 static int amdgpu_dm_encoder_init(struct drm_device *dev,
108 struct amdgpu_encoder *aencoder,
109 uint32_t link_index);
111 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
113 static int amdgpu_dm_atomic_commit(struct drm_device *dev,
114 struct drm_atomic_state *state,
117 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state);
119 static int amdgpu_dm_atomic_check(struct drm_device *dev,
120 struct drm_atomic_state *state);
125 static const enum drm_plane_type dm_plane_type_default[AMDGPU_MAX_PLANES] = {
126 DRM_PLANE_TYPE_PRIMARY,
127 DRM_PLANE_TYPE_PRIMARY,
128 DRM_PLANE_TYPE_PRIMARY,
129 DRM_PLANE_TYPE_PRIMARY,
130 DRM_PLANE_TYPE_PRIMARY,
131 DRM_PLANE_TYPE_PRIMARY,
134 static const enum drm_plane_type dm_plane_type_carizzo[AMDGPU_MAX_PLANES] = {
135 DRM_PLANE_TYPE_PRIMARY,
136 DRM_PLANE_TYPE_PRIMARY,
137 DRM_PLANE_TYPE_PRIMARY,
138 DRM_PLANE_TYPE_OVERLAY,/* YUV Capable Underlay */
141 static const enum drm_plane_type dm_plane_type_stoney[AMDGPU_MAX_PLANES] = {
142 DRM_PLANE_TYPE_PRIMARY,
143 DRM_PLANE_TYPE_PRIMARY,
144 DRM_PLANE_TYPE_OVERLAY, /* YUV Capable Underlay */
148 * dm_vblank_get_counter
151 * Get counter for number of vertical blanks
154 * struct amdgpu_device *adev - [in] desired amdgpu device
155 * int disp_idx - [in] which CRTC to get the counter from
158 * Counter for vertical blanks
160 static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
162 if (crtc >= adev->mode_info.num_crtc)
165 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
166 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(
170 if (acrtc_state->stream == NULL) {
171 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
176 return dc_stream_get_vblank_counter(acrtc_state->stream);
180 static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
181 u32 *vbl, u32 *position)
183 uint32_t v_blank_start, v_blank_end, h_position, v_position;
185 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
188 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
189 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(
192 if (acrtc_state->stream == NULL) {
193 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
199 * TODO rework base driver to use values directly.
200 * for now parse it back into reg-format
202 dc_stream_get_scanoutpos(acrtc_state->stream,
208 *position = v_position | (h_position << 16);
209 *vbl = v_blank_start | (v_blank_end << 16);
215 static bool dm_is_idle(void *handle)
221 static int dm_wait_for_idle(void *handle)
227 static bool dm_check_soft_reset(void *handle)
232 static int dm_soft_reset(void *handle)
238 static struct amdgpu_crtc *
239 get_crtc_by_otg_inst(struct amdgpu_device *adev,
242 struct drm_device *dev = adev->ddev;
243 struct drm_crtc *crtc;
244 struct amdgpu_crtc *amdgpu_crtc;
246 if (otg_inst == -1) {
248 return adev->mode_info.crtcs[0];
251 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
252 amdgpu_crtc = to_amdgpu_crtc(crtc);
254 if (amdgpu_crtc->otg_inst == otg_inst)
261 static void dm_pflip_high_irq(void *interrupt_params)
263 struct amdgpu_crtc *amdgpu_crtc;
264 struct common_irq_params *irq_params = interrupt_params;
265 struct amdgpu_device *adev = irq_params->adev;
268 amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP);
270 /* IRQ could occur when in initial stage */
271 /* TODO work and BO cleanup */
272 if (amdgpu_crtc == NULL) {
273 DRM_DEBUG_DRIVER("CRTC is null, returning.\n");
277 spin_lock_irqsave(&adev->ddev->event_lock, flags);
279 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
280 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
281 amdgpu_crtc->pflip_status,
282 AMDGPU_FLIP_SUBMITTED,
283 amdgpu_crtc->crtc_id,
285 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
290 /* wake up userspace */
291 if (amdgpu_crtc->event) {
292 /* Update to correct count(s) if racing with vblank irq */
293 drm_crtc_accurate_vblank_count(&amdgpu_crtc->base);
295 drm_crtc_send_vblank_event(&amdgpu_crtc->base, amdgpu_crtc->event);
297 /* page flip completed. clean up */
298 amdgpu_crtc->event = NULL;
303 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
304 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
306 DRM_DEBUG_DRIVER("%s - crtc :%d[%p], pflip_stat:AMDGPU_FLIP_NONE\n",
307 __func__, amdgpu_crtc->crtc_id, amdgpu_crtc);
309 drm_crtc_vblank_put(&amdgpu_crtc->base);
312 static void dm_crtc_high_irq(void *interrupt_params)
314 struct common_irq_params *irq_params = interrupt_params;
315 struct amdgpu_device *adev = irq_params->adev;
316 struct amdgpu_crtc *acrtc;
318 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
321 drm_crtc_handle_vblank(&acrtc->base);
322 amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
326 static int dm_set_clockgating_state(void *handle,
327 enum amd_clockgating_state state)
332 static int dm_set_powergating_state(void *handle,
333 enum amd_powergating_state state)
338 /* Prototypes of private functions */
339 static int dm_early_init(void* handle);
341 /* Allocate memory for FBC compressed data */
342 static void amdgpu_dm_fbc_init(struct drm_connector *connector)
344 struct drm_device *dev = connector->dev;
345 struct amdgpu_device *adev = dev->dev_private;
346 struct dm_comressor_info *compressor = &adev->dm.compressor;
347 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
348 struct drm_display_mode *mode;
349 unsigned long max_size = 0;
351 if (adev->dm.dc->fbc_compressor == NULL)
354 if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP)
357 if (compressor->bo_ptr)
361 list_for_each_entry(mode, &connector->modes, head) {
362 if (max_size < mode->htotal * mode->vtotal)
363 max_size = mode->htotal * mode->vtotal;
367 int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE,
368 AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr,
369 &compressor->gpu_addr, &compressor->cpu_addr);
372 DRM_ERROR("DM: Failed to initialize FBC\n");
374 adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr;
375 DRM_INFO("DM: FBC alloc %lu\n", max_size*4);
385 * Returns 0 on success
387 static int amdgpu_dm_init(struct amdgpu_device *adev)
389 struct dc_init_data init_data;
390 adev->dm.ddev = adev->ddev;
391 adev->dm.adev = adev;
393 /* Zero all the fields */
394 memset(&init_data, 0, sizeof(init_data));
396 if(amdgpu_dm_irq_init(adev)) {
397 DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
401 init_data.asic_id.chip_family = adev->family;
403 init_data.asic_id.pci_revision_id = adev->rev_id;
404 init_data.asic_id.hw_internal_rev = adev->external_rev_id;
406 init_data.asic_id.vram_width = adev->gmc.vram_width;
407 /* TODO: initialize init_data.asic_id.vram_type here!!!! */
408 init_data.asic_id.atombios_base_address =
409 adev->mode_info.atom_context->bios;
411 init_data.driver = adev;
413 adev->dm.cgs_device = amdgpu_cgs_create_device(adev);
415 if (!adev->dm.cgs_device) {
416 DRM_ERROR("amdgpu: failed to create cgs device.\n");
420 init_data.cgs_device = adev->dm.cgs_device;
422 init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
425 * TODO debug why this doesn't work on Raven
427 if (adev->flags & AMD_IS_APU &&
428 adev->asic_type >= CHIP_CARRIZO &&
429 adev->asic_type < CHIP_RAVEN)
430 init_data.flags.gpu_vm_support = true;
432 /* Display Core create. */
433 adev->dm.dc = dc_create(&init_data);
436 DRM_INFO("Display Core initialized with v%s!\n", DC_VER);
438 DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER);
442 adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
443 if (!adev->dm.freesync_module) {
445 "amdgpu: failed to initialize freesync_module.\n");
447 DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n",
448 adev->dm.freesync_module);
450 amdgpu_dm_init_color_mod();
452 if (amdgpu_dm_initialize_drm_device(adev)) {
454 "amdgpu: failed to initialize sw for display support.\n");
458 /* Update the actual used number of crtc */
459 adev->mode_info.num_crtc = adev->dm.display_indexes_num;
461 /* TODO: Add_display_info? */
463 /* TODO use dynamic cursor width */
464 adev->ddev->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size;
465 adev->ddev->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size;
467 if (drm_vblank_init(adev->ddev, adev->dm.display_indexes_num)) {
469 "amdgpu: failed to initialize sw for display support.\n");
473 #if defined(CONFIG_DEBUG_FS)
474 if (dtn_debugfs_init(adev))
475 DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n");
478 DRM_DEBUG_DRIVER("KMS initialized.\n");
482 amdgpu_dm_fini(adev);
487 static void amdgpu_dm_fini(struct amdgpu_device *adev)
489 amdgpu_dm_destroy_drm_device(&adev->dm);
491 * TODO: pageflip, vlank interrupt
493 * amdgpu_dm_irq_fini(adev);
496 if (adev->dm.cgs_device) {
497 amdgpu_cgs_destroy_device(adev->dm.cgs_device);
498 adev->dm.cgs_device = NULL;
500 if (adev->dm.freesync_module) {
501 mod_freesync_destroy(adev->dm.freesync_module);
502 adev->dm.freesync_module = NULL;
504 /* DC Destroy TODO: Replace destroy DAL */
506 dc_destroy(&adev->dm.dc);
510 static int load_dmcu_fw(struct amdgpu_device *adev)
512 const char *fw_name_dmcu;
514 const struct dmcu_firmware_header_v1_0 *hdr;
516 switch(adev->asic_type) {
535 fw_name_dmcu = FIRMWARE_RAVEN_DMCU;
538 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
542 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
543 DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n");
547 r = request_firmware_direct(&adev->dm.fw_dmcu, fw_name_dmcu, adev->dev);
549 /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */
550 DRM_DEBUG_KMS("dm: DMCU firmware not found\n");
551 adev->dm.fw_dmcu = NULL;
555 dev_err(adev->dev, "amdgpu_dm: Can't load firmware \"%s\"\n",
560 r = amdgpu_ucode_validate(adev->dm.fw_dmcu);
562 dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n",
564 release_firmware(adev->dm.fw_dmcu);
565 adev->dm.fw_dmcu = NULL;
569 hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data;
570 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM;
571 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu;
572 adev->firmware.fw_size +=
573 ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
575 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV;
576 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu;
577 adev->firmware.fw_size +=
578 ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
580 adev->dm.dmcu_fw_version = le32_to_cpu(hdr->header.ucode_version);
582 DRM_DEBUG_KMS("PSP loading DMCU firmware\n");
587 static int dm_sw_init(void *handle)
589 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
591 return load_dmcu_fw(adev);
594 static int dm_sw_fini(void *handle)
596 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
598 if(adev->dm.fw_dmcu) {
599 release_firmware(adev->dm.fw_dmcu);
600 adev->dm.fw_dmcu = NULL;
606 static int detect_mst_link_for_all_connectors(struct drm_device *dev)
608 struct amdgpu_dm_connector *aconnector;
609 struct drm_connector *connector;
612 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
614 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
615 aconnector = to_amdgpu_dm_connector(connector);
616 if (aconnector->dc_link->type == dc_connection_mst_branch &&
617 aconnector->mst_mgr.aux) {
618 DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n",
619 aconnector, aconnector->base.base.id);
621 ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true);
623 DRM_ERROR("DM_MST: Failed to start MST\n");
624 ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single;
630 drm_modeset_unlock(&dev->mode_config.connection_mutex);
634 static int dm_late_init(void *handle)
636 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
638 return detect_mst_link_for_all_connectors(adev->ddev);
641 static void s3_handle_mst(struct drm_device *dev, bool suspend)
643 struct amdgpu_dm_connector *aconnector;
644 struct drm_connector *connector;
646 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
648 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
649 aconnector = to_amdgpu_dm_connector(connector);
650 if (aconnector->dc_link->type == dc_connection_mst_branch &&
651 !aconnector->mst_port) {
654 drm_dp_mst_topology_mgr_suspend(&aconnector->mst_mgr);
656 drm_dp_mst_topology_mgr_resume(&aconnector->mst_mgr);
660 drm_modeset_unlock(&dev->mode_config.connection_mutex);
663 static int dm_hw_init(void *handle)
665 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
666 /* Create DAL display manager */
667 amdgpu_dm_init(adev);
668 amdgpu_dm_hpd_init(adev);
673 static int dm_hw_fini(void *handle)
675 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
677 amdgpu_dm_hpd_fini(adev);
679 amdgpu_dm_irq_fini(adev);
680 amdgpu_dm_fini(adev);
684 static int dm_suspend(void *handle)
686 struct amdgpu_device *adev = handle;
687 struct amdgpu_display_manager *dm = &adev->dm;
690 s3_handle_mst(adev->ddev, true);
692 amdgpu_dm_irq_suspend(adev);
694 WARN_ON(adev->dm.cached_state);
695 adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev);
697 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3);
702 static struct amdgpu_dm_connector *
703 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
704 struct drm_crtc *crtc)
707 struct drm_connector_state *new_con_state;
708 struct drm_connector *connector;
709 struct drm_crtc *crtc_from_state;
711 for_each_new_connector_in_state(state, connector, new_con_state, i) {
712 crtc_from_state = new_con_state->crtc;
714 if (crtc_from_state == crtc)
715 return to_amdgpu_dm_connector(connector);
721 static void emulated_link_detect(struct dc_link *link)
723 struct dc_sink_init_data sink_init_data = { 0 };
724 struct display_sink_capability sink_caps = { 0 };
725 enum dc_edid_status edid_status;
726 struct dc_context *dc_ctx = link->ctx;
727 struct dc_sink *sink = NULL;
728 struct dc_sink *prev_sink = NULL;
730 link->type = dc_connection_none;
731 prev_sink = link->local_sink;
733 if (prev_sink != NULL)
734 dc_sink_retain(prev_sink);
736 switch (link->connector_signal) {
737 case SIGNAL_TYPE_HDMI_TYPE_A: {
738 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
739 sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A;
743 case SIGNAL_TYPE_DVI_SINGLE_LINK: {
744 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
745 sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
749 case SIGNAL_TYPE_DVI_DUAL_LINK: {
750 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
751 sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
755 case SIGNAL_TYPE_LVDS: {
756 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
757 sink_caps.signal = SIGNAL_TYPE_LVDS;
761 case SIGNAL_TYPE_EDP: {
762 sink_caps.transaction_type =
763 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
764 sink_caps.signal = SIGNAL_TYPE_EDP;
768 case SIGNAL_TYPE_DISPLAY_PORT: {
769 sink_caps.transaction_type =
770 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
771 sink_caps.signal = SIGNAL_TYPE_VIRTUAL;
776 DC_ERROR("Invalid connector type! signal:%d\n",
777 link->connector_signal);
781 sink_init_data.link = link;
782 sink_init_data.sink_signal = sink_caps.signal;
784 sink = dc_sink_create(&sink_init_data);
786 DC_ERROR("Failed to create sink!\n");
790 link->local_sink = sink;
792 edid_status = dm_helpers_read_local_edid(
797 if (edid_status != EDID_OK)
798 DC_ERROR("Failed to read EDID");
802 static int dm_resume(void *handle)
804 struct amdgpu_device *adev = handle;
805 struct drm_device *ddev = adev->ddev;
806 struct amdgpu_display_manager *dm = &adev->dm;
807 struct amdgpu_dm_connector *aconnector;
808 struct drm_connector *connector;
809 struct drm_crtc *crtc;
810 struct drm_crtc_state *new_crtc_state;
811 struct dm_crtc_state *dm_new_crtc_state;
812 struct drm_plane *plane;
813 struct drm_plane_state *new_plane_state;
814 struct dm_plane_state *dm_new_plane_state;
815 enum dc_connection_type new_connection_type = dc_connection_none;
819 /* power on hardware */
820 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
822 /* program HPD filter */
825 /* On resume we need to rewrite the MSTM control bits to enamble MST*/
826 s3_handle_mst(ddev, false);
829 * early enable HPD Rx IRQ, should be done before set mode as short
830 * pulse interrupts are used for MST
832 amdgpu_dm_irq_resume_early(adev);
835 list_for_each_entry(connector, &ddev->mode_config.connector_list, head) {
836 aconnector = to_amdgpu_dm_connector(connector);
839 * this is the case when traversing through already created
840 * MST connectors, should be skipped
842 if (aconnector->mst_port)
845 mutex_lock(&aconnector->hpd_lock);
846 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
847 DRM_ERROR("KMS: Failed to detect connector\n");
849 if (aconnector->base.force && new_connection_type == dc_connection_none)
850 emulated_link_detect(aconnector->dc_link);
852 dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
854 if (aconnector->fake_enable && aconnector->dc_link->local_sink)
855 aconnector->fake_enable = false;
857 aconnector->dc_sink = NULL;
858 amdgpu_dm_update_connector_after_detect(aconnector);
859 mutex_unlock(&aconnector->hpd_lock);
862 /* Force mode set in atomic commit */
863 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i)
864 new_crtc_state->active_changed = true;
867 * atomic_check is expected to create the dc states. We need to release
868 * them here, since they were duplicated as part of the suspend
871 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) {
872 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
873 if (dm_new_crtc_state->stream) {
874 WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1);
875 dc_stream_release(dm_new_crtc_state->stream);
876 dm_new_crtc_state->stream = NULL;
880 for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) {
881 dm_new_plane_state = to_dm_plane_state(new_plane_state);
882 if (dm_new_plane_state->dc_state) {
883 WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1);
884 dc_plane_state_release(dm_new_plane_state->dc_state);
885 dm_new_plane_state->dc_state = NULL;
889 ret = drm_atomic_helper_resume(ddev, dm->cached_state);
891 dm->cached_state = NULL;
893 amdgpu_dm_irq_resume_late(adev);
898 static const struct amd_ip_funcs amdgpu_dm_funcs = {
900 .early_init = dm_early_init,
901 .late_init = dm_late_init,
902 .sw_init = dm_sw_init,
903 .sw_fini = dm_sw_fini,
904 .hw_init = dm_hw_init,
905 .hw_fini = dm_hw_fini,
906 .suspend = dm_suspend,
908 .is_idle = dm_is_idle,
909 .wait_for_idle = dm_wait_for_idle,
910 .check_soft_reset = dm_check_soft_reset,
911 .soft_reset = dm_soft_reset,
912 .set_clockgating_state = dm_set_clockgating_state,
913 .set_powergating_state = dm_set_powergating_state,
916 const struct amdgpu_ip_block_version dm_ip_block =
918 .type = AMD_IP_BLOCK_TYPE_DCE,
922 .funcs = &amdgpu_dm_funcs,
926 static struct drm_atomic_state *
927 dm_atomic_state_alloc(struct drm_device *dev)
929 struct dm_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
934 if (drm_atomic_state_init(dev, &state->base) < 0)
945 dm_atomic_state_clear(struct drm_atomic_state *state)
947 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
949 if (dm_state->context) {
950 dc_release_state(dm_state->context);
951 dm_state->context = NULL;
954 drm_atomic_state_default_clear(state);
958 dm_atomic_state_alloc_free(struct drm_atomic_state *state)
960 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
961 drm_atomic_state_default_release(state);
965 static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
966 .fb_create = amdgpu_display_user_framebuffer_create,
967 .output_poll_changed = drm_fb_helper_output_poll_changed,
968 .atomic_check = amdgpu_dm_atomic_check,
969 .atomic_commit = amdgpu_dm_atomic_commit,
970 .atomic_state_alloc = dm_atomic_state_alloc,
971 .atomic_state_clear = dm_atomic_state_clear,
972 .atomic_state_free = dm_atomic_state_alloc_free
975 static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {
976 .atomic_commit_tail = amdgpu_dm_atomic_commit_tail
980 amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
982 struct drm_connector *connector = &aconnector->base;
983 struct drm_device *dev = connector->dev;
984 struct dc_sink *sink;
986 /* MST handled by drm_mst framework */
987 if (aconnector->mst_mgr.mst_state == true)
991 sink = aconnector->dc_link->local_sink;
994 * Edid mgmt connector gets first update only in mode_valid hook and then
995 * the connector sink is set to either fake or physical sink depends on link status.
996 * Skip if already done during boot.
998 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED
999 && aconnector->dc_em_sink) {
1002 * For S3 resume with headless use eml_sink to fake stream
1003 * because on resume connector->sink is set to NULL
1005 mutex_lock(&dev->mode_config.mutex);
1008 if (aconnector->dc_sink) {
1009 amdgpu_dm_update_freesync_caps(connector, NULL);
1011 * retain and release below are used to
1012 * bump up refcount for sink because the link doesn't point
1013 * to it anymore after disconnect, so on next crtc to connector
1014 * reshuffle by UMD we will get into unwanted dc_sink release
1016 if (aconnector->dc_sink != aconnector->dc_em_sink)
1017 dc_sink_release(aconnector->dc_sink);
1019 aconnector->dc_sink = sink;
1020 amdgpu_dm_update_freesync_caps(connector,
1023 amdgpu_dm_update_freesync_caps(connector, NULL);
1024 if (!aconnector->dc_sink)
1025 aconnector->dc_sink = aconnector->dc_em_sink;
1026 else if (aconnector->dc_sink != aconnector->dc_em_sink)
1027 dc_sink_retain(aconnector->dc_sink);
1030 mutex_unlock(&dev->mode_config.mutex);
1035 * TODO: temporary guard to look for proper fix
1036 * if this sink is MST sink, we should not do anything
1038 if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
1041 if (aconnector->dc_sink == sink) {
1043 * We got a DP short pulse (Link Loss, DP CTS, etc...).
1046 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n",
1047 aconnector->connector_id);
1051 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
1052 aconnector->connector_id, aconnector->dc_sink, sink);
1054 mutex_lock(&dev->mode_config.mutex);
1057 * 1. Update status of the drm connector
1058 * 2. Send an event and let userspace tell us what to do
1062 * TODO: check if we still need the S3 mode update workaround.
1063 * If yes, put it here.
1065 if (aconnector->dc_sink)
1066 amdgpu_dm_update_freesync_caps(connector, NULL);
1068 aconnector->dc_sink = sink;
1069 if (sink->dc_edid.length == 0) {
1070 aconnector->edid = NULL;
1071 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
1074 (struct edid *) sink->dc_edid.raw_edid;
1077 drm_connector_update_edid_property(connector,
1079 drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
1082 amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
1085 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
1086 amdgpu_dm_update_freesync_caps(connector, NULL);
1087 drm_connector_update_edid_property(connector, NULL);
1088 aconnector->num_modes = 0;
1089 aconnector->dc_sink = NULL;
1090 aconnector->edid = NULL;
1093 mutex_unlock(&dev->mode_config.mutex);
1096 static void handle_hpd_irq(void *param)
1098 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
1099 struct drm_connector *connector = &aconnector->base;
1100 struct drm_device *dev = connector->dev;
1101 enum dc_connection_type new_connection_type = dc_connection_none;
1104 * In case of failure or MST no need to update connector status or notify the OS
1105 * since (for MST case) MST does this in its own context.
1107 mutex_lock(&aconnector->hpd_lock);
1109 if (aconnector->fake_enable)
1110 aconnector->fake_enable = false;
1112 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
1113 DRM_ERROR("KMS: Failed to detect connector\n");
1115 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1116 emulated_link_detect(aconnector->dc_link);
1119 drm_modeset_lock_all(dev);
1120 dm_restore_drm_connector_state(dev, connector);
1121 drm_modeset_unlock_all(dev);
1123 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
1124 drm_kms_helper_hotplug_event(dev);
1126 } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) {
1127 amdgpu_dm_update_connector_after_detect(aconnector);
1130 drm_modeset_lock_all(dev);
1131 dm_restore_drm_connector_state(dev, connector);
1132 drm_modeset_unlock_all(dev);
1134 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
1135 drm_kms_helper_hotplug_event(dev);
1137 mutex_unlock(&aconnector->hpd_lock);
1141 static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector)
1143 uint8_t esi[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = { 0 };
1145 bool new_irq_handled = false;
1147 int dpcd_bytes_to_read;
1149 const int max_process_count = 30;
1150 int process_count = 0;
1152 const struct dc_link_status *link_status = dc_link_get_status(aconnector->dc_link);
1154 if (link_status->dpcd_caps->dpcd_rev.raw < 0x12) {
1155 dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT;
1156 /* DPCD 0x200 - 0x201 for downstream IRQ */
1157 dpcd_addr = DP_SINK_COUNT;
1159 dpcd_bytes_to_read = DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI;
1160 /* DPCD 0x2002 - 0x2005 for downstream IRQ */
1161 dpcd_addr = DP_SINK_COUNT_ESI;
1164 dret = drm_dp_dpcd_read(
1165 &aconnector->dm_dp_aux.aux,
1168 dpcd_bytes_to_read);
1170 while (dret == dpcd_bytes_to_read &&
1171 process_count < max_process_count) {
1177 DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
1178 /* handle HPD short pulse irq */
1179 if (aconnector->mst_mgr.mst_state)
1181 &aconnector->mst_mgr,
1185 if (new_irq_handled) {
1186 /* ACK at DPCD to notify down stream */
1187 const int ack_dpcd_bytes_to_write =
1188 dpcd_bytes_to_read - 1;
1190 for (retry = 0; retry < 3; retry++) {
1193 wret = drm_dp_dpcd_write(
1194 &aconnector->dm_dp_aux.aux,
1197 ack_dpcd_bytes_to_write);
1198 if (wret == ack_dpcd_bytes_to_write)
1202 /* check if there is new irq to be handled */
1203 dret = drm_dp_dpcd_read(
1204 &aconnector->dm_dp_aux.aux,
1207 dpcd_bytes_to_read);
1209 new_irq_handled = false;
1215 if (process_count == max_process_count)
1216 DRM_DEBUG_DRIVER("Loop exceeded max iterations\n");
1219 static void handle_hpd_rx_irq(void *param)
1221 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
1222 struct drm_connector *connector = &aconnector->base;
1223 struct drm_device *dev = connector->dev;
1224 struct dc_link *dc_link = aconnector->dc_link;
1225 bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
1226 enum dc_connection_type new_connection_type = dc_connection_none;
1229 * TODO:Temporary add mutex to protect hpd interrupt not have a gpio
1230 * conflict, after implement i2c helper, this mutex should be
1233 if (dc_link->type != dc_connection_mst_branch)
1234 mutex_lock(&aconnector->hpd_lock);
1236 if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&
1237 !is_mst_root_connector) {
1238 /* Downstream Port status changed. */
1239 if (!dc_link_detect_sink(dc_link, &new_connection_type))
1240 DRM_ERROR("KMS: Failed to detect connector\n");
1242 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1243 emulated_link_detect(dc_link);
1245 if (aconnector->fake_enable)
1246 aconnector->fake_enable = false;
1248 amdgpu_dm_update_connector_after_detect(aconnector);
1251 drm_modeset_lock_all(dev);
1252 dm_restore_drm_connector_state(dev, connector);
1253 drm_modeset_unlock_all(dev);
1255 drm_kms_helper_hotplug_event(dev);
1256 } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
1258 if (aconnector->fake_enable)
1259 aconnector->fake_enable = false;
1261 amdgpu_dm_update_connector_after_detect(aconnector);
1264 drm_modeset_lock_all(dev);
1265 dm_restore_drm_connector_state(dev, connector);
1266 drm_modeset_unlock_all(dev);
1268 drm_kms_helper_hotplug_event(dev);
1271 if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) ||
1272 (dc_link->type == dc_connection_mst_branch))
1273 dm_handle_hpd_rx_irq(aconnector);
1275 if (dc_link->type != dc_connection_mst_branch) {
1276 drm_dp_cec_irq(&aconnector->dm_dp_aux.aux);
1277 mutex_unlock(&aconnector->hpd_lock);
1281 static void register_hpd_handlers(struct amdgpu_device *adev)
1283 struct drm_device *dev = adev->ddev;
1284 struct drm_connector *connector;
1285 struct amdgpu_dm_connector *aconnector;
1286 const struct dc_link *dc_link;
1287 struct dc_interrupt_params int_params = {0};
1289 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1290 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1292 list_for_each_entry(connector,
1293 &dev->mode_config.connector_list, head) {
1295 aconnector = to_amdgpu_dm_connector(connector);
1296 dc_link = aconnector->dc_link;
1298 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) {
1299 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
1300 int_params.irq_source = dc_link->irq_source_hpd;
1302 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1304 (void *) aconnector);
1307 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
1309 /* Also register for DP short pulse (hpd_rx). */
1310 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
1311 int_params.irq_source = dc_link->irq_source_hpd_rx;
1313 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1315 (void *) aconnector);
1320 /* Register IRQ sources and initialize IRQ callbacks */
1321 static int dce110_register_irq_handlers(struct amdgpu_device *adev)
1323 struct dc *dc = adev->dm.dc;
1324 struct common_irq_params *c_irq_params;
1325 struct dc_interrupt_params int_params = {0};
1328 unsigned client_id = AMDGPU_IRQ_CLIENTID_LEGACY;
1330 if (adev->asic_type == CHIP_VEGA10 ||
1331 adev->asic_type == CHIP_VEGA12 ||
1332 adev->asic_type == CHIP_VEGA20 ||
1333 adev->asic_type == CHIP_RAVEN)
1334 client_id = SOC15_IH_CLIENTID_DCE;
1336 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1337 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1340 * Actions of amdgpu_irq_add_id():
1341 * 1. Register a set() function with base driver.
1342 * Base driver will call set() function to enable/disable an
1343 * interrupt in DC hardware.
1344 * 2. Register amdgpu_dm_irq_handler().
1345 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
1346 * coming from DC hardware.
1347 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
1348 * for acknowledging and handling. */
1350 /* Use VBLANK interrupt */
1351 for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) {
1352 r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq);
1354 DRM_ERROR("Failed to add crtc irq id!\n");
1358 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1359 int_params.irq_source =
1360 dc_interrupt_to_irq_source(dc, i, 0);
1362 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
1364 c_irq_params->adev = adev;
1365 c_irq_params->irq_src = int_params.irq_source;
1367 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1368 dm_crtc_high_irq, c_irq_params);
1371 /* Use GRPH_PFLIP interrupt */
1372 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
1373 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
1374 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq);
1376 DRM_ERROR("Failed to add page flip irq id!\n");
1380 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1381 int_params.irq_source =
1382 dc_interrupt_to_irq_source(dc, i, 0);
1384 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
1386 c_irq_params->adev = adev;
1387 c_irq_params->irq_src = int_params.irq_source;
1389 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1390 dm_pflip_high_irq, c_irq_params);
1395 r = amdgpu_irq_add_id(adev, client_id,
1396 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
1398 DRM_ERROR("Failed to add hpd irq id!\n");
1402 register_hpd_handlers(adev);
1407 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
1408 /* Register IRQ sources and initialize IRQ callbacks */
1409 static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
1411 struct dc *dc = adev->dm.dc;
1412 struct common_irq_params *c_irq_params;
1413 struct dc_interrupt_params int_params = {0};
1417 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1418 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1421 * Actions of amdgpu_irq_add_id():
1422 * 1. Register a set() function with base driver.
1423 * Base driver will call set() function to enable/disable an
1424 * interrupt in DC hardware.
1425 * 2. Register amdgpu_dm_irq_handler().
1426 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
1427 * coming from DC hardware.
1428 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
1429 * for acknowledging and handling.
1432 /* Use VSTARTUP interrupt */
1433 for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP;
1434 i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1;
1436 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq);
1439 DRM_ERROR("Failed to add crtc irq id!\n");
1443 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1444 int_params.irq_source =
1445 dc_interrupt_to_irq_source(dc, i, 0);
1447 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
1449 c_irq_params->adev = adev;
1450 c_irq_params->irq_src = int_params.irq_source;
1452 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1453 dm_crtc_high_irq, c_irq_params);
1456 /* Use GRPH_PFLIP interrupt */
1457 for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT;
1458 i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + adev->mode_info.num_crtc - 1;
1460 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq);
1462 DRM_ERROR("Failed to add page flip irq id!\n");
1466 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1467 int_params.irq_source =
1468 dc_interrupt_to_irq_source(dc, i, 0);
1470 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
1472 c_irq_params->adev = adev;
1473 c_irq_params->irq_src = int_params.irq_source;
1475 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1476 dm_pflip_high_irq, c_irq_params);
1481 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT,
1484 DRM_ERROR("Failed to add hpd irq id!\n");
1488 register_hpd_handlers(adev);
1494 static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
1498 adev->mode_info.mode_config_initialized = true;
1500 adev->ddev->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs;
1501 adev->ddev->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs;
1503 adev->ddev->mode_config.max_width = 16384;
1504 adev->ddev->mode_config.max_height = 16384;
1506 adev->ddev->mode_config.preferred_depth = 24;
1507 adev->ddev->mode_config.prefer_shadow = 1;
1508 /* indicates support for immediate flip */
1509 adev->ddev->mode_config.async_page_flip = true;
1511 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
1513 r = amdgpu_display_modeset_create_props(adev);
1520 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
1521 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
1523 static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
1525 struct amdgpu_display_manager *dm = bl_get_data(bd);
1527 if (dc_link_set_backlight_level(dm->backlight_link,
1528 bd->props.brightness, 0, 0))
1534 static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
1536 struct amdgpu_display_manager *dm = bl_get_data(bd);
1537 int ret = dc_link_get_backlight_level(dm->backlight_link);
1539 if (ret == DC_ERROR_UNEXPECTED)
1540 return bd->props.brightness;
1544 static const struct backlight_ops amdgpu_dm_backlight_ops = {
1545 .get_brightness = amdgpu_dm_backlight_get_brightness,
1546 .update_status = amdgpu_dm_backlight_update_status,
1550 amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
1553 struct backlight_properties props = { 0 };
1555 props.max_brightness = AMDGPU_MAX_BL_LEVEL;
1556 props.brightness = AMDGPU_MAX_BL_LEVEL;
1557 props.type = BACKLIGHT_RAW;
1559 snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
1560 dm->adev->ddev->primary->index);
1562 dm->backlight_dev = backlight_device_register(bl_name,
1563 dm->adev->ddev->dev,
1565 &amdgpu_dm_backlight_ops,
1568 if (IS_ERR(dm->backlight_dev))
1569 DRM_ERROR("DM: Backlight registration failed!\n");
1571 DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
1576 static int initialize_plane(struct amdgpu_display_manager *dm,
1577 struct amdgpu_mode_info *mode_info,
1580 struct amdgpu_plane *plane;
1581 unsigned long possible_crtcs;
1584 plane = kzalloc(sizeof(struct amdgpu_plane), GFP_KERNEL);
1585 mode_info->planes[plane_id] = plane;
1588 DRM_ERROR("KMS: Failed to allocate plane\n");
1591 plane->base.type = mode_info->plane_type[plane_id];
1594 * HACK: IGT tests expect that each plane can only have
1595 * one possible CRTC. For now, set one CRTC for each
1596 * plane that is not an underlay, but still allow multiple
1597 * CRTCs for underlay planes.
1599 possible_crtcs = 1 << plane_id;
1600 if (plane_id >= dm->dc->caps.max_streams)
1601 possible_crtcs = 0xff;
1603 ret = amdgpu_dm_plane_init(dm, mode_info->planes[plane_id], possible_crtcs);
1606 DRM_ERROR("KMS: Failed to initialize plane\n");
1614 static void register_backlight_device(struct amdgpu_display_manager *dm,
1615 struct dc_link *link)
1617 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
1618 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
1620 if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
1621 link->type != dc_connection_none) {
1623 * Event if registration failed, we should continue with
1624 * DM initialization because not having a backlight control
1625 * is better then a black screen.
1627 amdgpu_dm_register_backlight_device(dm);
1629 if (dm->backlight_dev)
1630 dm->backlight_link = link;
1637 * In this architecture, the association
1638 * connector -> encoder -> crtc
1639 * id not really requried. The crtc and connector will hold the
1640 * display_index as an abstraction to use with DAL component
1642 * Returns 0 on success
1644 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
1646 struct amdgpu_display_manager *dm = &adev->dm;
1648 struct amdgpu_dm_connector *aconnector = NULL;
1649 struct amdgpu_encoder *aencoder = NULL;
1650 struct amdgpu_mode_info *mode_info = &adev->mode_info;
1652 int32_t total_overlay_planes, total_primary_planes;
1653 enum dc_connection_type new_connection_type = dc_connection_none;
1655 link_cnt = dm->dc->caps.max_links;
1656 if (amdgpu_dm_mode_config_init(dm->adev)) {
1657 DRM_ERROR("DM: Failed to initialize mode config\n");
1661 /* Identify the number of planes to be initialized */
1662 total_overlay_planes = dm->dc->caps.max_slave_planes;
1663 total_primary_planes = dm->dc->caps.max_planes - dm->dc->caps.max_slave_planes;
1665 /* First initialize overlay planes, index starting after primary planes */
1666 for (i = (total_overlay_planes - 1); i >= 0; i--) {
1667 if (initialize_plane(dm, mode_info, (total_primary_planes + i))) {
1668 DRM_ERROR("KMS: Failed to initialize overlay plane\n");
1673 /* Initialize primary planes */
1674 for (i = (total_primary_planes - 1); i >= 0; i--) {
1675 if (initialize_plane(dm, mode_info, i)) {
1676 DRM_ERROR("KMS: Failed to initialize primary plane\n");
1681 for (i = 0; i < dm->dc->caps.max_streams; i++)
1682 if (amdgpu_dm_crtc_init(dm, &mode_info->planes[i]->base, i)) {
1683 DRM_ERROR("KMS: Failed to initialize crtc\n");
1687 dm->display_indexes_num = dm->dc->caps.max_streams;
1689 /* loops over all connectors on the board */
1690 for (i = 0; i < link_cnt; i++) {
1691 struct dc_link *link = NULL;
1693 if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) {
1695 "KMS: Cannot support more than %d display indexes\n",
1696 AMDGPU_DM_MAX_DISPLAY_INDEX);
1700 aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
1704 aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL);
1708 if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) {
1709 DRM_ERROR("KMS: Failed to initialize encoder\n");
1713 if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) {
1714 DRM_ERROR("KMS: Failed to initialize connector\n");
1718 link = dc_get_link_at_index(dm->dc, i);
1720 if (!dc_link_detect_sink(link, &new_connection_type))
1721 DRM_ERROR("KMS: Failed to detect connector\n");
1723 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1724 emulated_link_detect(link);
1725 amdgpu_dm_update_connector_after_detect(aconnector);
1727 } else if (dc_link_detect(link, DETECT_REASON_BOOT)) {
1728 amdgpu_dm_update_connector_after_detect(aconnector);
1729 register_backlight_device(dm, link);
1735 /* Software is initialized. Now we can register interrupt handlers. */
1736 switch (adev->asic_type) {
1746 case CHIP_POLARIS11:
1747 case CHIP_POLARIS10:
1748 case CHIP_POLARIS12:
1753 if (dce110_register_irq_handlers(dm->adev)) {
1754 DRM_ERROR("DM: Failed to initialize IRQ\n");
1758 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
1760 if (dcn10_register_irq_handlers(dm->adev)) {
1761 DRM_ERROR("DM: Failed to initialize IRQ\n");
1767 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
1771 if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
1772 dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
1778 for (i = 0; i < dm->dc->caps.max_planes; i++)
1779 kfree(mode_info->planes[i]);
1783 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
1785 drm_mode_config_cleanup(dm->ddev);
1789 /******************************************************************************
1790 * amdgpu_display_funcs functions
1791 *****************************************************************************/
1794 * dm_bandwidth_update - program display watermarks
1796 * @adev: amdgpu_device pointer
1798 * Calculate and program the display watermarks and line buffer allocation.
1800 static void dm_bandwidth_update(struct amdgpu_device *adev)
1802 /* TODO: implement later */
1805 static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
1806 struct drm_file *filp)
1808 struct drm_atomic_state *state;
1809 struct drm_modeset_acquire_ctx ctx;
1810 struct drm_crtc *crtc;
1811 struct drm_connector *connector;
1812 struct drm_connector_state *old_con_state, *new_con_state;
1815 bool enable = false;
1817 drm_modeset_acquire_init(&ctx, 0);
1819 state = drm_atomic_state_alloc(dev);
1824 state->acquire_ctx = &ctx;
1827 drm_for_each_crtc(crtc, dev) {
1828 ret = drm_atomic_add_affected_connectors(state, crtc);
1832 /* TODO rework amdgpu_dm_commit_planes so we don't need this */
1833 ret = drm_atomic_add_affected_planes(state, crtc);
1838 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
1839 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
1840 struct drm_crtc_state *new_crtc_state;
1841 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
1842 struct dm_crtc_state *dm_new_crtc_state;
1849 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
1850 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
1852 dm_new_crtc_state->freesync_enabled = enable;
1855 ret = drm_atomic_commit(state);
1858 if (ret == -EDEADLK) {
1859 drm_atomic_state_clear(state);
1860 drm_modeset_backoff(&ctx);
1864 drm_atomic_state_put(state);
1867 drm_modeset_drop_locks(&ctx);
1868 drm_modeset_acquire_fini(&ctx);
1872 static const struct amdgpu_display_funcs dm_display_funcs = {
1873 .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
1874 .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
1875 .backlight_set_level = NULL, /* never called for DC */
1876 .backlight_get_level = NULL, /* never called for DC */
1877 .hpd_sense = NULL,/* called unconditionally */
1878 .hpd_set_polarity = NULL, /* called unconditionally */
1879 .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
1880 .page_flip_get_scanoutpos =
1881 dm_crtc_get_scanoutpos,/* called unconditionally */
1882 .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
1883 .add_connector = NULL, /* VBIOS parsing. DAL does it. */
1884 .notify_freesync = amdgpu_notify_freesync,
1888 #if defined(CONFIG_DEBUG_KERNEL_DC)
1890 static ssize_t s3_debug_store(struct device *device,
1891 struct device_attribute *attr,
1897 struct pci_dev *pdev = to_pci_dev(device);
1898 struct drm_device *drm_dev = pci_get_drvdata(pdev);
1899 struct amdgpu_device *adev = drm_dev->dev_private;
1901 ret = kstrtoint(buf, 0, &s3_state);
1906 drm_kms_helper_hotplug_event(adev->ddev);
1911 return ret == 0 ? count : 0;
1914 DEVICE_ATTR_WO(s3_debug);
1918 static int dm_early_init(void *handle)
1920 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1922 switch (adev->asic_type) {
1925 adev->mode_info.num_crtc = 6;
1926 adev->mode_info.num_hpd = 6;
1927 adev->mode_info.num_dig = 6;
1928 adev->mode_info.plane_type = dm_plane_type_default;
1931 adev->mode_info.num_crtc = 4;
1932 adev->mode_info.num_hpd = 6;
1933 adev->mode_info.num_dig = 7;
1934 adev->mode_info.plane_type = dm_plane_type_default;
1938 adev->mode_info.num_crtc = 2;
1939 adev->mode_info.num_hpd = 6;
1940 adev->mode_info.num_dig = 6;
1941 adev->mode_info.plane_type = dm_plane_type_default;
1945 adev->mode_info.num_crtc = 6;
1946 adev->mode_info.num_hpd = 6;
1947 adev->mode_info.num_dig = 7;
1948 adev->mode_info.plane_type = dm_plane_type_default;
1951 adev->mode_info.num_crtc = 3;
1952 adev->mode_info.num_hpd = 6;
1953 adev->mode_info.num_dig = 9;
1954 adev->mode_info.plane_type = dm_plane_type_carizzo;
1957 adev->mode_info.num_crtc = 2;
1958 adev->mode_info.num_hpd = 6;
1959 adev->mode_info.num_dig = 9;
1960 adev->mode_info.plane_type = dm_plane_type_stoney;
1962 case CHIP_POLARIS11:
1963 case CHIP_POLARIS12:
1964 adev->mode_info.num_crtc = 5;
1965 adev->mode_info.num_hpd = 5;
1966 adev->mode_info.num_dig = 5;
1967 adev->mode_info.plane_type = dm_plane_type_default;
1969 case CHIP_POLARIS10:
1971 adev->mode_info.num_crtc = 6;
1972 adev->mode_info.num_hpd = 6;
1973 adev->mode_info.num_dig = 6;
1974 adev->mode_info.plane_type = dm_plane_type_default;
1979 adev->mode_info.num_crtc = 6;
1980 adev->mode_info.num_hpd = 6;
1981 adev->mode_info.num_dig = 6;
1982 adev->mode_info.plane_type = dm_plane_type_default;
1984 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
1986 adev->mode_info.num_crtc = 4;
1987 adev->mode_info.num_hpd = 4;
1988 adev->mode_info.num_dig = 4;
1989 adev->mode_info.plane_type = dm_plane_type_default;
1993 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
1997 amdgpu_dm_set_irq_funcs(adev);
1999 if (adev->mode_info.funcs == NULL)
2000 adev->mode_info.funcs = &dm_display_funcs;
2003 * Note: Do NOT change adev->audio_endpt_rreg and
2004 * adev->audio_endpt_wreg because they are initialised in
2005 * amdgpu_device_init()
2007 #if defined(CONFIG_DEBUG_KERNEL_DC)
2010 &dev_attr_s3_debug);
2016 static bool modeset_required(struct drm_crtc_state *crtc_state,
2017 struct dc_stream_state *new_stream,
2018 struct dc_stream_state *old_stream)
2020 if (!drm_atomic_crtc_needs_modeset(crtc_state))
2023 if (!crtc_state->enable)
2026 return crtc_state->active;
2029 static bool modereset_required(struct drm_crtc_state *crtc_state)
2031 if (!drm_atomic_crtc_needs_modeset(crtc_state))
2034 return !crtc_state->enable || !crtc_state->active;
2037 static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder)
2039 drm_encoder_cleanup(encoder);
2043 static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = {
2044 .destroy = amdgpu_dm_encoder_destroy,
2047 static bool fill_rects_from_plane_state(const struct drm_plane_state *state,
2048 struct dc_plane_state *plane_state)
2050 plane_state->src_rect.x = state->src_x >> 16;
2051 plane_state->src_rect.y = state->src_y >> 16;
2052 /* we ignore the mantissa for now and do not deal with floating pixels :( */
2053 plane_state->src_rect.width = state->src_w >> 16;
2055 if (plane_state->src_rect.width == 0)
2058 plane_state->src_rect.height = state->src_h >> 16;
2059 if (plane_state->src_rect.height == 0)
2062 plane_state->dst_rect.x = state->crtc_x;
2063 plane_state->dst_rect.y = state->crtc_y;
2065 if (state->crtc_w == 0)
2068 plane_state->dst_rect.width = state->crtc_w;
2070 if (state->crtc_h == 0)
2073 plane_state->dst_rect.height = state->crtc_h;
2075 plane_state->clip_rect = plane_state->dst_rect;
2077 switch (state->rotation & DRM_MODE_ROTATE_MASK) {
2078 case DRM_MODE_ROTATE_0:
2079 plane_state->rotation = ROTATION_ANGLE_0;
2081 case DRM_MODE_ROTATE_90:
2082 plane_state->rotation = ROTATION_ANGLE_90;
2084 case DRM_MODE_ROTATE_180:
2085 plane_state->rotation = ROTATION_ANGLE_180;
2087 case DRM_MODE_ROTATE_270:
2088 plane_state->rotation = ROTATION_ANGLE_270;
2091 plane_state->rotation = ROTATION_ANGLE_0;
2097 static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
2098 uint64_t *tiling_flags)
2100 struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
2101 int r = amdgpu_bo_reserve(rbo, false);
2104 /* Don't show error message when returning -ERESTARTSYS */
2105 if (r != -ERESTARTSYS)
2106 DRM_ERROR("Unable to reserve buffer: %d\n", r);
2111 amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
2113 amdgpu_bo_unreserve(rbo);
2118 static int fill_plane_attributes_from_fb(struct amdgpu_device *adev,
2119 struct dc_plane_state *plane_state,
2120 const struct amdgpu_framebuffer *amdgpu_fb)
2122 uint64_t tiling_flags;
2123 unsigned int awidth;
2124 const struct drm_framebuffer *fb = &amdgpu_fb->base;
2126 struct drm_format_name_buf format_name;
2135 switch (fb->format->format) {
2137 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS;
2139 case DRM_FORMAT_RGB565:
2140 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565;
2142 case DRM_FORMAT_XRGB8888:
2143 case DRM_FORMAT_ARGB8888:
2144 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888;
2146 case DRM_FORMAT_XRGB2101010:
2147 case DRM_FORMAT_ARGB2101010:
2148 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010;
2150 case DRM_FORMAT_XBGR2101010:
2151 case DRM_FORMAT_ABGR2101010:
2152 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010;
2154 case DRM_FORMAT_XBGR8888:
2155 case DRM_FORMAT_ABGR8888:
2156 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888;
2158 case DRM_FORMAT_NV21:
2159 plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr;
2161 case DRM_FORMAT_NV12:
2162 plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb;
2165 DRM_ERROR("Unsupported screen format %s\n",
2166 drm_get_format_name(fb->format->format, &format_name));
2170 if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
2171 plane_state->address.type = PLN_ADDR_TYPE_GRAPHICS;
2172 plane_state->plane_size.grph.surface_size.x = 0;
2173 plane_state->plane_size.grph.surface_size.y = 0;
2174 plane_state->plane_size.grph.surface_size.width = fb->width;
2175 plane_state->plane_size.grph.surface_size.height = fb->height;
2176 plane_state->plane_size.grph.surface_pitch =
2177 fb->pitches[0] / fb->format->cpp[0];
2178 /* TODO: unhardcode */
2179 plane_state->color_space = COLOR_SPACE_SRGB;
2182 awidth = ALIGN(fb->width, 64);
2183 plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
2184 plane_state->plane_size.video.luma_size.x = 0;
2185 plane_state->plane_size.video.luma_size.y = 0;
2186 plane_state->plane_size.video.luma_size.width = awidth;
2187 plane_state->plane_size.video.luma_size.height = fb->height;
2188 /* TODO: unhardcode */
2189 plane_state->plane_size.video.luma_pitch = awidth;
2191 plane_state->plane_size.video.chroma_size.x = 0;
2192 plane_state->plane_size.video.chroma_size.y = 0;
2193 plane_state->plane_size.video.chroma_size.width = awidth;
2194 plane_state->plane_size.video.chroma_size.height = fb->height;
2195 plane_state->plane_size.video.chroma_pitch = awidth / 2;
2197 /* TODO: unhardcode */
2198 plane_state->color_space = COLOR_SPACE_YCBCR709;
2201 memset(&plane_state->tiling_info, 0, sizeof(plane_state->tiling_info));
2203 /* Fill GFX8 params */
2204 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) {
2205 unsigned int bankw, bankh, mtaspect, tile_split, num_banks;
2207 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2208 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2209 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2210 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2211 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2213 /* XXX fix me for VI */
2214 plane_state->tiling_info.gfx8.num_banks = num_banks;
2215 plane_state->tiling_info.gfx8.array_mode =
2216 DC_ARRAY_2D_TILED_THIN1;
2217 plane_state->tiling_info.gfx8.tile_split = tile_split;
2218 plane_state->tiling_info.gfx8.bank_width = bankw;
2219 plane_state->tiling_info.gfx8.bank_height = bankh;
2220 plane_state->tiling_info.gfx8.tile_aspect = mtaspect;
2221 plane_state->tiling_info.gfx8.tile_mode =
2222 DC_ADDR_SURF_MICRO_TILING_DISPLAY;
2223 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE)
2224 == DC_ARRAY_1D_TILED_THIN1) {
2225 plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1;
2228 plane_state->tiling_info.gfx8.pipe_config =
2229 AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2231 if (adev->asic_type == CHIP_VEGA10 ||
2232 adev->asic_type == CHIP_VEGA12 ||
2233 adev->asic_type == CHIP_VEGA20 ||
2234 adev->asic_type == CHIP_RAVEN) {
2235 /* Fill GFX9 params */
2236 plane_state->tiling_info.gfx9.num_pipes =
2237 adev->gfx.config.gb_addr_config_fields.num_pipes;
2238 plane_state->tiling_info.gfx9.num_banks =
2239 adev->gfx.config.gb_addr_config_fields.num_banks;
2240 plane_state->tiling_info.gfx9.pipe_interleave =
2241 adev->gfx.config.gb_addr_config_fields.pipe_interleave_size;
2242 plane_state->tiling_info.gfx9.num_shader_engines =
2243 adev->gfx.config.gb_addr_config_fields.num_se;
2244 plane_state->tiling_info.gfx9.max_compressed_frags =
2245 adev->gfx.config.gb_addr_config_fields.max_compress_frags;
2246 plane_state->tiling_info.gfx9.num_rb_per_se =
2247 adev->gfx.config.gb_addr_config_fields.num_rb_per_se;
2248 plane_state->tiling_info.gfx9.swizzle =
2249 AMDGPU_TILING_GET(tiling_flags, SWIZZLE_MODE);
2250 plane_state->tiling_info.gfx9.shaderEnable = 1;
2253 plane_state->visible = true;
2254 plane_state->scaling_quality.h_taps_c = 0;
2255 plane_state->scaling_quality.v_taps_c = 0;
2257 /* is this needed? is plane_state zeroed at allocation? */
2258 plane_state->scaling_quality.h_taps = 0;
2259 plane_state->scaling_quality.v_taps = 0;
2260 plane_state->stereo_format = PLANE_STEREO_FORMAT_NONE;
2266 static int fill_plane_attributes(struct amdgpu_device *adev,
2267 struct dc_plane_state *dc_plane_state,
2268 struct drm_plane_state *plane_state,
2269 struct drm_crtc_state *crtc_state)
2271 const struct amdgpu_framebuffer *amdgpu_fb =
2272 to_amdgpu_framebuffer(plane_state->fb);
2273 const struct drm_crtc *crtc = plane_state->crtc;
2276 if (!fill_rects_from_plane_state(plane_state, dc_plane_state))
2279 ret = fill_plane_attributes_from_fb(
2280 crtc->dev->dev_private,
2288 * Always set input transfer function, since plane state is refreshed
2291 ret = amdgpu_dm_set_degamma_lut(crtc_state, dc_plane_state);
2293 dc_transfer_func_release(dc_plane_state->in_transfer_func);
2294 dc_plane_state->in_transfer_func = NULL;
2300 static void update_stream_scaling_settings(const struct drm_display_mode *mode,
2301 const struct dm_connector_state *dm_state,
2302 struct dc_stream_state *stream)
2304 enum amdgpu_rmx_type rmx_type;
2306 struct rect src = { 0 }; /* viewport in composition space*/
2307 struct rect dst = { 0 }; /* stream addressable area */
2309 /* no mode. nothing to be done */
2313 /* Full screen scaling by default */
2314 src.width = mode->hdisplay;
2315 src.height = mode->vdisplay;
2316 dst.width = stream->timing.h_addressable;
2317 dst.height = stream->timing.v_addressable;
2320 rmx_type = dm_state->scaling;
2321 if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
2322 if (src.width * dst.height <
2323 src.height * dst.width) {
2324 /* height needs less upscaling/more downscaling */
2325 dst.width = src.width *
2326 dst.height / src.height;
2328 /* width needs less upscaling/more downscaling */
2329 dst.height = src.height *
2330 dst.width / src.width;
2332 } else if (rmx_type == RMX_CENTER) {
2336 dst.x = (stream->timing.h_addressable - dst.width) / 2;
2337 dst.y = (stream->timing.v_addressable - dst.height) / 2;
2339 if (dm_state->underscan_enable) {
2340 dst.x += dm_state->underscan_hborder / 2;
2341 dst.y += dm_state->underscan_vborder / 2;
2342 dst.width -= dm_state->underscan_hborder;
2343 dst.height -= dm_state->underscan_vborder;
2350 DRM_DEBUG_DRIVER("Destination Rectangle x:%d y:%d width:%d height:%d\n",
2351 dst.x, dst.y, dst.width, dst.height);
2355 static enum dc_color_depth
2356 convert_color_depth_from_display_info(const struct drm_connector *connector)
2358 uint32_t bpc = connector->display_info.bpc;
2363 * Temporary Work around, DRM doesn't parse color depth for
2364 * EDID revision before 1.4
2365 * TODO: Fix edid parsing
2367 return COLOR_DEPTH_888;
2369 return COLOR_DEPTH_666;
2371 return COLOR_DEPTH_888;
2373 return COLOR_DEPTH_101010;
2375 return COLOR_DEPTH_121212;
2377 return COLOR_DEPTH_141414;
2379 return COLOR_DEPTH_161616;
2381 return COLOR_DEPTH_UNDEFINED;
2385 static enum dc_aspect_ratio
2386 get_aspect_ratio(const struct drm_display_mode *mode_in)
2388 /* 1-1 mapping, since both enums follow the HDMI spec. */
2389 return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio;
2392 static enum dc_color_space
2393 get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing)
2395 enum dc_color_space color_space = COLOR_SPACE_SRGB;
2397 switch (dc_crtc_timing->pixel_encoding) {
2398 case PIXEL_ENCODING_YCBCR422:
2399 case PIXEL_ENCODING_YCBCR444:
2400 case PIXEL_ENCODING_YCBCR420:
2403 * 27030khz is the separation point between HDTV and SDTV
2404 * according to HDMI spec, we use YCbCr709 and YCbCr601
2407 if (dc_crtc_timing->pix_clk_khz > 27030) {
2408 if (dc_crtc_timing->flags.Y_ONLY)
2410 COLOR_SPACE_YCBCR709_LIMITED;
2412 color_space = COLOR_SPACE_YCBCR709;
2414 if (dc_crtc_timing->flags.Y_ONLY)
2416 COLOR_SPACE_YCBCR601_LIMITED;
2418 color_space = COLOR_SPACE_YCBCR601;
2423 case PIXEL_ENCODING_RGB:
2424 color_space = COLOR_SPACE_SRGB;
2435 static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out)
2437 if (timing_out->display_color_depth <= COLOR_DEPTH_888)
2440 timing_out->display_color_depth--;
2443 static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out,
2444 const struct drm_display_info *info)
2447 if (timing_out->display_color_depth <= COLOR_DEPTH_888)
2450 normalized_clk = timing_out->pix_clk_khz;
2451 /* YCbCr 4:2:0 requires additional adjustment of 1/2 */
2452 if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420)
2453 normalized_clk /= 2;
2454 /* Adjusting pix clock following on HDMI spec based on colour depth */
2455 switch (timing_out->display_color_depth) {
2456 case COLOR_DEPTH_101010:
2457 normalized_clk = (normalized_clk * 30) / 24;
2459 case COLOR_DEPTH_121212:
2460 normalized_clk = (normalized_clk * 36) / 24;
2462 case COLOR_DEPTH_161616:
2463 normalized_clk = (normalized_clk * 48) / 24;
2468 if (normalized_clk <= info->max_tmds_clock)
2470 reduce_mode_colour_depth(timing_out);
2472 } while (timing_out->display_color_depth > COLOR_DEPTH_888);
2477 fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
2478 const struct drm_display_mode *mode_in,
2479 const struct drm_connector *connector)
2481 struct dc_crtc_timing *timing_out = &stream->timing;
2482 const struct drm_display_info *info = &connector->display_info;
2484 memset(timing_out, 0, sizeof(struct dc_crtc_timing));
2486 timing_out->h_border_left = 0;
2487 timing_out->h_border_right = 0;
2488 timing_out->v_border_top = 0;
2489 timing_out->v_border_bottom = 0;
2490 /* TODO: un-hardcode */
2491 if (drm_mode_is_420_only(info, mode_in)
2492 && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2493 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
2494 else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
2495 && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2496 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
2498 timing_out->pixel_encoding = PIXEL_ENCODING_RGB;
2500 timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE;
2501 timing_out->display_color_depth = convert_color_depth_from_display_info(
2503 timing_out->scan_type = SCANNING_TYPE_NODATA;
2504 timing_out->hdmi_vic = 0;
2505 timing_out->vic = drm_match_cea_mode(mode_in);
2507 timing_out->h_addressable = mode_in->crtc_hdisplay;
2508 timing_out->h_total = mode_in->crtc_htotal;
2509 timing_out->h_sync_width =
2510 mode_in->crtc_hsync_end - mode_in->crtc_hsync_start;
2511 timing_out->h_front_porch =
2512 mode_in->crtc_hsync_start - mode_in->crtc_hdisplay;
2513 timing_out->v_total = mode_in->crtc_vtotal;
2514 timing_out->v_addressable = mode_in->crtc_vdisplay;
2515 timing_out->v_front_porch =
2516 mode_in->crtc_vsync_start - mode_in->crtc_vdisplay;
2517 timing_out->v_sync_width =
2518 mode_in->crtc_vsync_end - mode_in->crtc_vsync_start;
2519 timing_out->pix_clk_khz = mode_in->crtc_clock;
2520 timing_out->aspect_ratio = get_aspect_ratio(mode_in);
2521 if (mode_in->flags & DRM_MODE_FLAG_PHSYNC)
2522 timing_out->flags.HSYNC_POSITIVE_POLARITY = 1;
2523 if (mode_in->flags & DRM_MODE_FLAG_PVSYNC)
2524 timing_out->flags.VSYNC_POSITIVE_POLARITY = 1;
2526 stream->output_color_space = get_output_color_space(timing_out);
2528 stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
2529 stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
2530 if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2531 adjust_colour_depth_from_display_info(timing_out, info);
2534 static void fill_audio_info(struct audio_info *audio_info,
2535 const struct drm_connector *drm_connector,
2536 const struct dc_sink *dc_sink)
2539 int cea_revision = 0;
2540 const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps;
2542 audio_info->manufacture_id = edid_caps->manufacturer_id;
2543 audio_info->product_id = edid_caps->product_id;
2545 cea_revision = drm_connector->display_info.cea_rev;
2547 strncpy(audio_info->display_name,
2548 edid_caps->display_name,
2549 AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS - 1);
2551 if (cea_revision >= 3) {
2552 audio_info->mode_count = edid_caps->audio_mode_count;
2554 for (i = 0; i < audio_info->mode_count; ++i) {
2555 audio_info->modes[i].format_code =
2556 (enum audio_format_code)
2557 (edid_caps->audio_modes[i].format_code);
2558 audio_info->modes[i].channel_count =
2559 edid_caps->audio_modes[i].channel_count;
2560 audio_info->modes[i].sample_rates.all =
2561 edid_caps->audio_modes[i].sample_rate;
2562 audio_info->modes[i].sample_size =
2563 edid_caps->audio_modes[i].sample_size;
2567 audio_info->flags.all = edid_caps->speaker_flags;
2569 /* TODO: We only check for the progressive mode, check for interlace mode too */
2570 if (drm_connector->latency_present[0]) {
2571 audio_info->video_latency = drm_connector->video_latency[0];
2572 audio_info->audio_latency = drm_connector->audio_latency[0];
2575 /* TODO: For DP, video and audio latency should be calculated from DPCD caps */
2580 copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode,
2581 struct drm_display_mode *dst_mode)
2583 dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay;
2584 dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay;
2585 dst_mode->crtc_clock = src_mode->crtc_clock;
2586 dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start;
2587 dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end;
2588 dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start;
2589 dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end;
2590 dst_mode->crtc_htotal = src_mode->crtc_htotal;
2591 dst_mode->crtc_hskew = src_mode->crtc_hskew;
2592 dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start;
2593 dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end;
2594 dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start;
2595 dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end;
2596 dst_mode->crtc_vtotal = src_mode->crtc_vtotal;
2600 decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode,
2601 const struct drm_display_mode *native_mode,
2604 if (scale_enabled) {
2605 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
2606 } else if (native_mode->clock == drm_mode->clock &&
2607 native_mode->htotal == drm_mode->htotal &&
2608 native_mode->vtotal == drm_mode->vtotal) {
2609 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
2611 /* no scaling nor amdgpu inserted, no need to patch */
2615 static struct dc_sink *
2616 create_fake_sink(struct amdgpu_dm_connector *aconnector)
2618 struct dc_sink_init_data sink_init_data = { 0 };
2619 struct dc_sink *sink = NULL;
2620 sink_init_data.link = aconnector->dc_link;
2621 sink_init_data.sink_signal = aconnector->dc_link->connector_signal;
2623 sink = dc_sink_create(&sink_init_data);
2625 DRM_ERROR("Failed to create sink!\n");
2628 sink->sink_signal = SIGNAL_TYPE_VIRTUAL;
2633 static void set_multisync_trigger_params(
2634 struct dc_stream_state *stream)
2636 if (stream->triggered_crtc_reset.enabled) {
2637 stream->triggered_crtc_reset.event = CRTC_EVENT_VSYNC_RISING;
2638 stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_LINE;
2642 static void set_master_stream(struct dc_stream_state *stream_set[],
2645 int j, highest_rfr = 0, master_stream = 0;
2647 for (j = 0; j < stream_count; j++) {
2648 if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) {
2649 int refresh_rate = 0;
2651 refresh_rate = (stream_set[j]->timing.pix_clk_khz*1000)/
2652 (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total);
2653 if (refresh_rate > highest_rfr) {
2654 highest_rfr = refresh_rate;
2659 for (j = 0; j < stream_count; j++) {
2661 stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream];
2665 static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context)
2669 if (context->stream_count < 2)
2671 for (i = 0; i < context->stream_count ; i++) {
2672 if (!context->streams[i])
2675 * TODO: add a function to read AMD VSDB bits and set
2676 * crtc_sync_master.multi_sync_enabled flag
2677 * For now it's set to false
2679 set_multisync_trigger_params(context->streams[i]);
2681 set_master_stream(context->streams, context->stream_count);
2684 static struct dc_stream_state *
2685 create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
2686 const struct drm_display_mode *drm_mode,
2687 const struct dm_connector_state *dm_state)
2689 struct drm_display_mode *preferred_mode = NULL;
2690 struct drm_connector *drm_connector;
2691 struct dc_stream_state *stream = NULL;
2692 struct drm_display_mode mode = *drm_mode;
2693 bool native_mode_found = false;
2694 struct dc_sink *sink = NULL;
2695 if (aconnector == NULL) {
2696 DRM_ERROR("aconnector is NULL!\n");
2700 drm_connector = &aconnector->base;
2702 if (!aconnector->dc_sink) {
2704 * Create dc_sink when necessary to MST
2705 * Don't apply fake_sink to MST
2707 if (aconnector->mst_port) {
2708 dm_dp_mst_dc_sink_create(drm_connector);
2712 sink = create_fake_sink(aconnector);
2716 sink = aconnector->dc_sink;
2719 stream = dc_create_stream_for_sink(sink);
2721 if (stream == NULL) {
2722 DRM_ERROR("Failed to create stream for sink!\n");
2726 list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
2727 /* Search for preferred mode */
2728 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) {
2729 native_mode_found = true;
2733 if (!native_mode_found)
2734 preferred_mode = list_first_entry_or_null(
2735 &aconnector->base.modes,
2736 struct drm_display_mode,
2739 if (preferred_mode == NULL) {
2741 * This may not be an error, the use case is when we have no
2742 * usermode calls to reset and set mode upon hotplug. In this
2743 * case, we call set mode ourselves to restore the previous mode
2744 * and the modelist may not be filled in in time.
2746 DRM_DEBUG_DRIVER("No preferred mode found\n");
2748 decide_crtc_timing_for_drm_display_mode(
2749 &mode, preferred_mode,
2750 dm_state ? (dm_state->scaling != RMX_OFF) : false);
2754 drm_mode_set_crtcinfo(&mode, 0);
2756 fill_stream_properties_from_drm_display_mode(stream,
2757 &mode, &aconnector->base);
2758 update_stream_scaling_settings(&mode, dm_state, stream);
2761 &stream->audio_info,
2765 update_stream_signal(stream);
2767 if (dm_state && dm_state->freesync_capable)
2768 stream->ignore_msa_timing_param = true;
2770 if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL && aconnector->base.force != DRM_FORCE_ON)
2771 dc_sink_release(sink);
2776 static void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc)
2778 drm_crtc_cleanup(crtc);
2782 static void dm_crtc_destroy_state(struct drm_crtc *crtc,
2783 struct drm_crtc_state *state)
2785 struct dm_crtc_state *cur = to_dm_crtc_state(state);
2787 /* TODO Destroy dc_stream objects are stream object is flattened */
2789 dc_stream_release(cur->stream);
2792 __drm_atomic_helper_crtc_destroy_state(state);
2798 static void dm_crtc_reset_state(struct drm_crtc *crtc)
2800 struct dm_crtc_state *state;
2803 dm_crtc_destroy_state(crtc, crtc->state);
2805 state = kzalloc(sizeof(*state), GFP_KERNEL);
2806 if (WARN_ON(!state))
2809 crtc->state = &state->base;
2810 crtc->state->crtc = crtc;
2814 static struct drm_crtc_state *
2815 dm_crtc_duplicate_state(struct drm_crtc *crtc)
2817 struct dm_crtc_state *state, *cur;
2819 cur = to_dm_crtc_state(crtc->state);
2821 if (WARN_ON(!crtc->state))
2824 state = kzalloc(sizeof(*state), GFP_KERNEL);
2828 __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
2831 state->stream = cur->stream;
2832 dc_stream_retain(state->stream);
2835 state->adjust = cur->adjust;
2836 state->vrr_infopacket = cur->vrr_infopacket;
2837 state->freesync_enabled = cur->freesync_enabled;
2839 /* TODO Duplicate dc_stream after objects are stream object is flattened */
2841 return &state->base;
2845 static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
2847 enum dc_irq_source irq_source;
2848 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
2849 struct amdgpu_device *adev = crtc->dev->dev_private;
2851 irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
2852 return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
2855 static int dm_enable_vblank(struct drm_crtc *crtc)
2857 return dm_set_vblank(crtc, true);
2860 static void dm_disable_vblank(struct drm_crtc *crtc)
2862 dm_set_vblank(crtc, false);
2865 /* Implemented only the options currently availible for the driver */
2866 static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
2867 .reset = dm_crtc_reset_state,
2868 .destroy = amdgpu_dm_crtc_destroy,
2869 .gamma_set = drm_atomic_helper_legacy_gamma_set,
2870 .set_config = drm_atomic_helper_set_config,
2871 .page_flip = drm_atomic_helper_page_flip,
2872 .atomic_duplicate_state = dm_crtc_duplicate_state,
2873 .atomic_destroy_state = dm_crtc_destroy_state,
2874 .set_crc_source = amdgpu_dm_crtc_set_crc_source,
2875 .verify_crc_source = amdgpu_dm_crtc_verify_crc_source,
2876 .enable_vblank = dm_enable_vblank,
2877 .disable_vblank = dm_disable_vblank,
2880 static enum drm_connector_status
2881 amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
2884 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
2888 * 1. This interface is NOT called in context of HPD irq.
2889 * 2. This interface *is called* in context of user-mode ioctl. Which
2890 * makes it a bad place for *any* MST-related activity.
2893 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED &&
2894 !aconnector->fake_enable)
2895 connected = (aconnector->dc_sink != NULL);
2897 connected = (aconnector->base.force == DRM_FORCE_ON);
2899 return (connected ? connector_status_connected :
2900 connector_status_disconnected);
2903 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
2904 struct drm_connector_state *connector_state,
2905 struct drm_property *property,
2908 struct drm_device *dev = connector->dev;
2909 struct amdgpu_device *adev = dev->dev_private;
2910 struct dm_connector_state *dm_old_state =
2911 to_dm_connector_state(connector->state);
2912 struct dm_connector_state *dm_new_state =
2913 to_dm_connector_state(connector_state);
2917 if (property == dev->mode_config.scaling_mode_property) {
2918 enum amdgpu_rmx_type rmx_type;
2921 case DRM_MODE_SCALE_CENTER:
2922 rmx_type = RMX_CENTER;
2924 case DRM_MODE_SCALE_ASPECT:
2925 rmx_type = RMX_ASPECT;
2927 case DRM_MODE_SCALE_FULLSCREEN:
2928 rmx_type = RMX_FULL;
2930 case DRM_MODE_SCALE_NONE:
2936 if (dm_old_state->scaling == rmx_type)
2939 dm_new_state->scaling = rmx_type;
2941 } else if (property == adev->mode_info.underscan_hborder_property) {
2942 dm_new_state->underscan_hborder = val;
2944 } else if (property == adev->mode_info.underscan_vborder_property) {
2945 dm_new_state->underscan_vborder = val;
2947 } else if (property == adev->mode_info.underscan_property) {
2948 dm_new_state->underscan_enable = val;
2955 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
2956 const struct drm_connector_state *state,
2957 struct drm_property *property,
2960 struct drm_device *dev = connector->dev;
2961 struct amdgpu_device *adev = dev->dev_private;
2962 struct dm_connector_state *dm_state =
2963 to_dm_connector_state(state);
2966 if (property == dev->mode_config.scaling_mode_property) {
2967 switch (dm_state->scaling) {
2969 *val = DRM_MODE_SCALE_CENTER;
2972 *val = DRM_MODE_SCALE_ASPECT;
2975 *val = DRM_MODE_SCALE_FULLSCREEN;
2979 *val = DRM_MODE_SCALE_NONE;
2983 } else if (property == adev->mode_info.underscan_hborder_property) {
2984 *val = dm_state->underscan_hborder;
2986 } else if (property == adev->mode_info.underscan_vborder_property) {
2987 *val = dm_state->underscan_vborder;
2989 } else if (property == adev->mode_info.underscan_property) {
2990 *val = dm_state->underscan_enable;
2996 static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
2998 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
2999 const struct dc_link *link = aconnector->dc_link;
3000 struct amdgpu_device *adev = connector->dev->dev_private;
3001 struct amdgpu_display_manager *dm = &adev->dm;
3003 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
3004 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
3006 if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
3007 link->type != dc_connection_none &&
3008 dm->backlight_dev) {
3009 backlight_device_unregister(dm->backlight_dev);
3010 dm->backlight_dev = NULL;
3013 drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux);
3014 drm_connector_unregister(connector);
3015 drm_connector_cleanup(connector);
3019 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
3021 struct dm_connector_state *state =
3022 to_dm_connector_state(connector->state);
3024 if (connector->state)
3025 __drm_atomic_helper_connector_destroy_state(connector->state);
3029 state = kzalloc(sizeof(*state), GFP_KERNEL);
3032 state->scaling = RMX_OFF;
3033 state->underscan_enable = false;
3034 state->underscan_hborder = 0;
3035 state->underscan_vborder = 0;
3037 __drm_atomic_helper_connector_reset(connector, &state->base);
3041 struct drm_connector_state *
3042 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
3044 struct dm_connector_state *state =
3045 to_dm_connector_state(connector->state);
3047 struct dm_connector_state *new_state =
3048 kmemdup(state, sizeof(*state), GFP_KERNEL);
3053 __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base);
3055 new_state->freesync_capable = state->freesync_capable;
3056 new_state->freesync_enable = state->freesync_enable;
3058 return &new_state->base;
3061 static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
3062 .reset = amdgpu_dm_connector_funcs_reset,
3063 .detect = amdgpu_dm_connector_detect,
3064 .fill_modes = drm_helper_probe_single_connector_modes,
3065 .destroy = amdgpu_dm_connector_destroy,
3066 .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
3067 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
3068 .atomic_set_property = amdgpu_dm_connector_atomic_set_property,
3069 .atomic_get_property = amdgpu_dm_connector_atomic_get_property
3072 static int get_modes(struct drm_connector *connector)
3074 return amdgpu_dm_connector_get_modes(connector);
3077 static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
3079 struct dc_sink_init_data init_params = {
3080 .link = aconnector->dc_link,
3081 .sink_signal = SIGNAL_TYPE_VIRTUAL
3085 if (!aconnector->base.edid_blob_ptr) {
3086 DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
3087 aconnector->base.name);
3089 aconnector->base.force = DRM_FORCE_OFF;
3090 aconnector->base.override_edid = false;
3094 edid = (struct edid *) aconnector->base.edid_blob_ptr->data;
3096 aconnector->edid = edid;
3098 aconnector->dc_em_sink = dc_link_add_remote_sink(
3099 aconnector->dc_link,
3101 (edid->extensions + 1) * EDID_LENGTH,
3104 if (aconnector->base.force == DRM_FORCE_ON)
3105 aconnector->dc_sink = aconnector->dc_link->local_sink ?
3106 aconnector->dc_link->local_sink :
3107 aconnector->dc_em_sink;
3110 static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
3112 struct dc_link *link = (struct dc_link *)aconnector->dc_link;
3115 * In case of headless boot with force on for DP managed connector
3116 * Those settings have to be != 0 to get initial modeset
3118 if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) {
3119 link->verified_link_cap.lane_count = LANE_COUNT_FOUR;
3120 link->verified_link_cap.link_rate = LINK_RATE_HIGH2;
3124 aconnector->base.override_edid = true;
3125 create_eml_sink(aconnector);
3128 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
3129 struct drm_display_mode *mode)
3131 int result = MODE_ERROR;
3132 struct dc_sink *dc_sink;
3133 struct amdgpu_device *adev = connector->dev->dev_private;
3134 /* TODO: Unhardcode stream count */
3135 struct dc_stream_state *stream;
3136 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
3137 enum dc_status dc_result = DC_OK;
3139 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
3140 (mode->flags & DRM_MODE_FLAG_DBLSCAN))
3144 * Only run this the first time mode_valid is called to initilialize
3147 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED &&
3148 !aconnector->dc_em_sink)
3149 handle_edid_mgmt(aconnector);
3151 dc_sink = to_amdgpu_dm_connector(connector)->dc_sink;
3153 if (dc_sink == NULL) {
3154 DRM_ERROR("dc_sink is NULL!\n");
3158 stream = create_stream_for_sink(aconnector, mode, NULL);
3159 if (stream == NULL) {
3160 DRM_ERROR("Failed to create stream for sink!\n");
3164 dc_result = dc_validate_stream(adev->dm.dc, stream);
3166 if (dc_result == DC_OK)
3169 DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n",
3175 dc_stream_release(stream);
3178 /* TODO: error handling*/
3182 static const struct drm_connector_helper_funcs
3183 amdgpu_dm_connector_helper_funcs = {
3185 * If hotplugging a second bigger display in FB Con mode, bigger resolution
3186 * modes will be filtered by drm_mode_validate_size(), and those modes
3187 * are missing after user start lightdm. So we need to renew modes list.
3188 * in get_modes call back, not just return the modes count
3190 .get_modes = get_modes,
3191 .mode_valid = amdgpu_dm_connector_mode_valid,
3192 .best_encoder = drm_atomic_helper_best_encoder
3195 static void dm_crtc_helper_disable(struct drm_crtc *crtc)
3199 static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc,
3200 struct drm_crtc_state *state)
3202 struct amdgpu_device *adev = crtc->dev->dev_private;
3203 struct dc *dc = adev->dm.dc;
3204 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state);
3207 if (unlikely(!dm_crtc_state->stream &&
3208 modeset_required(state, NULL, dm_crtc_state->stream))) {
3213 /* In some use cases, like reset, no stream is attached */
3214 if (!dm_crtc_state->stream)
3217 if (dc_validate_stream(dc, dm_crtc_state->stream) == DC_OK)
3223 static bool dm_crtc_helper_mode_fixup(struct drm_crtc *crtc,
3224 const struct drm_display_mode *mode,
3225 struct drm_display_mode *adjusted_mode)
3230 static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = {
3231 .disable = dm_crtc_helper_disable,
3232 .atomic_check = dm_crtc_helper_atomic_check,
3233 .mode_fixup = dm_crtc_helper_mode_fixup
3236 static void dm_encoder_helper_disable(struct drm_encoder *encoder)
3241 static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
3242 struct drm_crtc_state *crtc_state,
3243 struct drm_connector_state *conn_state)
3248 const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = {
3249 .disable = dm_encoder_helper_disable,
3250 .atomic_check = dm_encoder_helper_atomic_check
3253 static void dm_drm_plane_reset(struct drm_plane *plane)
3255 struct dm_plane_state *amdgpu_state = NULL;
3258 plane->funcs->atomic_destroy_state(plane, plane->state);
3260 amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL);
3261 WARN_ON(amdgpu_state == NULL);
3264 plane->state = &amdgpu_state->base;
3265 plane->state->plane = plane;
3266 plane->state->rotation = DRM_MODE_ROTATE_0;
3270 static struct drm_plane_state *
3271 dm_drm_plane_duplicate_state(struct drm_plane *plane)
3273 struct dm_plane_state *dm_plane_state, *old_dm_plane_state;
3275 old_dm_plane_state = to_dm_plane_state(plane->state);
3276 dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL);
3277 if (!dm_plane_state)
3280 __drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base);
3282 if (old_dm_plane_state->dc_state) {
3283 dm_plane_state->dc_state = old_dm_plane_state->dc_state;
3284 dc_plane_state_retain(dm_plane_state->dc_state);
3287 return &dm_plane_state->base;
3290 void dm_drm_plane_destroy_state(struct drm_plane *plane,
3291 struct drm_plane_state *state)
3293 struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
3295 if (dm_plane_state->dc_state)
3296 dc_plane_state_release(dm_plane_state->dc_state);
3298 drm_atomic_helper_plane_destroy_state(plane, state);
3301 static const struct drm_plane_funcs dm_plane_funcs = {
3302 .update_plane = drm_atomic_helper_update_plane,
3303 .disable_plane = drm_atomic_helper_disable_plane,
3304 .destroy = drm_plane_cleanup,
3305 .reset = dm_drm_plane_reset,
3306 .atomic_duplicate_state = dm_drm_plane_duplicate_state,
3307 .atomic_destroy_state = dm_drm_plane_destroy_state,
3310 static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
3311 struct drm_plane_state *new_state)
3313 struct amdgpu_framebuffer *afb;
3314 struct drm_gem_object *obj;
3315 struct amdgpu_device *adev;
3316 struct amdgpu_bo *rbo;
3317 uint64_t chroma_addr = 0;
3318 struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
3319 unsigned int awidth;
3323 dm_plane_state_old = to_dm_plane_state(plane->state);
3324 dm_plane_state_new = to_dm_plane_state(new_state);
3326 if (!new_state->fb) {
3327 DRM_DEBUG_DRIVER("No FB bound\n");
3331 afb = to_amdgpu_framebuffer(new_state->fb);
3332 obj = new_state->fb->obj[0];
3333 rbo = gem_to_amdgpu_bo(obj);
3334 adev = amdgpu_ttm_adev(rbo->tbo.bdev);
3335 r = amdgpu_bo_reserve(rbo, false);
3336 if (unlikely(r != 0))
3339 if (plane->type != DRM_PLANE_TYPE_CURSOR)
3340 domain = amdgpu_display_supported_domains(adev);
3342 domain = AMDGPU_GEM_DOMAIN_VRAM;
3344 r = amdgpu_bo_pin(rbo, domain);
3345 if (unlikely(r != 0)) {
3346 if (r != -ERESTARTSYS)
3347 DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
3348 amdgpu_bo_unreserve(rbo);
3352 r = amdgpu_ttm_alloc_gart(&rbo->tbo);
3353 if (unlikely(r != 0)) {
3354 amdgpu_bo_unpin(rbo);
3355 amdgpu_bo_unreserve(rbo);
3356 DRM_ERROR("%p bind failed\n", rbo);
3359 amdgpu_bo_unreserve(rbo);
3361 afb->address = amdgpu_bo_gpu_offset(rbo);
3365 if (dm_plane_state_new->dc_state &&
3366 dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
3367 struct dc_plane_state *plane_state = dm_plane_state_new->dc_state;
3369 if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
3370 plane_state->address.grph.addr.low_part = lower_32_bits(afb->address);
3371 plane_state->address.grph.addr.high_part = upper_32_bits(afb->address);
3373 awidth = ALIGN(new_state->fb->width, 64);
3374 plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
3375 plane_state->address.video_progressive.luma_addr.low_part
3376 = lower_32_bits(afb->address);
3377 plane_state->address.video_progressive.luma_addr.high_part
3378 = upper_32_bits(afb->address);
3379 chroma_addr = afb->address + (u64)awidth * new_state->fb->height;
3380 plane_state->address.video_progressive.chroma_addr.low_part
3381 = lower_32_bits(chroma_addr);
3382 plane_state->address.video_progressive.chroma_addr.high_part
3383 = upper_32_bits(chroma_addr);
3390 static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
3391 struct drm_plane_state *old_state)
3393 struct amdgpu_bo *rbo;
3399 rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]);
3400 r = amdgpu_bo_reserve(rbo, false);
3402 DRM_ERROR("failed to reserve rbo before unpin\n");
3406 amdgpu_bo_unpin(rbo);
3407 amdgpu_bo_unreserve(rbo);
3408 amdgpu_bo_unref(&rbo);
3411 static int dm_plane_atomic_check(struct drm_plane *plane,
3412 struct drm_plane_state *state)
3414 struct amdgpu_device *adev = plane->dev->dev_private;
3415 struct dc *dc = adev->dm.dc;
3416 struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
3418 if (!dm_plane_state->dc_state)
3421 if (!fill_rects_from_plane_state(state, dm_plane_state->dc_state))
3424 if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK)
3430 static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
3431 .prepare_fb = dm_plane_helper_prepare_fb,
3432 .cleanup_fb = dm_plane_helper_cleanup_fb,
3433 .atomic_check = dm_plane_atomic_check,
3437 * TODO: these are currently initialized to rgb formats only.
3438 * For future use cases we should either initialize them dynamically based on
3439 * plane capabilities, or initialize this array to all formats, so internal drm
3440 * check will succeed, and let DC implement proper check
3442 static const uint32_t rgb_formats[] = {
3444 DRM_FORMAT_XRGB8888,
3445 DRM_FORMAT_ARGB8888,
3446 DRM_FORMAT_RGBA8888,
3447 DRM_FORMAT_XRGB2101010,
3448 DRM_FORMAT_XBGR2101010,
3449 DRM_FORMAT_ARGB2101010,
3450 DRM_FORMAT_ABGR2101010,
3451 DRM_FORMAT_XBGR8888,
3452 DRM_FORMAT_ABGR8888,
3455 static const uint32_t yuv_formats[] = {
3460 static const u32 cursor_formats[] = {
3464 static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
3465 struct amdgpu_plane *aplane,
3466 unsigned long possible_crtcs)
3470 switch (aplane->base.type) {
3471 case DRM_PLANE_TYPE_PRIMARY:
3472 res = drm_universal_plane_init(
3478 ARRAY_SIZE(rgb_formats),
3479 NULL, aplane->base.type, NULL);
3481 case DRM_PLANE_TYPE_OVERLAY:
3482 res = drm_universal_plane_init(
3488 ARRAY_SIZE(yuv_formats),
3489 NULL, aplane->base.type, NULL);
3491 case DRM_PLANE_TYPE_CURSOR:
3492 res = drm_universal_plane_init(
3498 ARRAY_SIZE(cursor_formats),
3499 NULL, aplane->base.type, NULL);
3503 drm_plane_helper_add(&aplane->base, &dm_plane_helper_funcs);
3505 /* Create (reset) the plane state */
3506 if (aplane->base.funcs->reset)
3507 aplane->base.funcs->reset(&aplane->base);
3513 static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
3514 struct drm_plane *plane,
3515 uint32_t crtc_index)
3517 struct amdgpu_crtc *acrtc = NULL;
3518 struct amdgpu_plane *cursor_plane;
3522 cursor_plane = kzalloc(sizeof(*cursor_plane), GFP_KERNEL);
3526 cursor_plane->base.type = DRM_PLANE_TYPE_CURSOR;
3527 res = amdgpu_dm_plane_init(dm, cursor_plane, 0);
3529 acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL);
3533 res = drm_crtc_init_with_planes(
3537 &cursor_plane->base,
3538 &amdgpu_dm_crtc_funcs, NULL);
3543 drm_crtc_helper_add(&acrtc->base, &amdgpu_dm_crtc_helper_funcs);
3545 /* Create (reset) the plane state */
3546 if (acrtc->base.funcs->reset)
3547 acrtc->base.funcs->reset(&acrtc->base);
3549 acrtc->max_cursor_width = dm->adev->dm.dc->caps.max_cursor_size;
3550 acrtc->max_cursor_height = dm->adev->dm.dc->caps.max_cursor_size;
3552 acrtc->crtc_id = crtc_index;
3553 acrtc->base.enabled = false;
3554 acrtc->otg_inst = -1;
3556 dm->adev->mode_info.crtcs[crtc_index] = acrtc;
3557 drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,
3558 true, MAX_COLOR_LUT_ENTRIES);
3559 drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES);
3565 kfree(cursor_plane);
3570 static int to_drm_connector_type(enum signal_type st)
3573 case SIGNAL_TYPE_HDMI_TYPE_A:
3574 return DRM_MODE_CONNECTOR_HDMIA;
3575 case SIGNAL_TYPE_EDP:
3576 return DRM_MODE_CONNECTOR_eDP;
3577 case SIGNAL_TYPE_LVDS:
3578 return DRM_MODE_CONNECTOR_LVDS;
3579 case SIGNAL_TYPE_RGB:
3580 return DRM_MODE_CONNECTOR_VGA;
3581 case SIGNAL_TYPE_DISPLAY_PORT:
3582 case SIGNAL_TYPE_DISPLAY_PORT_MST:
3583 return DRM_MODE_CONNECTOR_DisplayPort;
3584 case SIGNAL_TYPE_DVI_DUAL_LINK:
3585 case SIGNAL_TYPE_DVI_SINGLE_LINK:
3586 return DRM_MODE_CONNECTOR_DVID;
3587 case SIGNAL_TYPE_VIRTUAL:
3588 return DRM_MODE_CONNECTOR_VIRTUAL;
3591 return DRM_MODE_CONNECTOR_Unknown;
3595 static void amdgpu_dm_get_native_mode(struct drm_connector *connector)
3597 const struct drm_connector_helper_funcs *helper =
3598 connector->helper_private;
3599 struct drm_encoder *encoder;
3600 struct amdgpu_encoder *amdgpu_encoder;
3602 encoder = helper->best_encoder(connector);
3604 if (encoder == NULL)
3607 amdgpu_encoder = to_amdgpu_encoder(encoder);
3609 amdgpu_encoder->native_mode.clock = 0;
3611 if (!list_empty(&connector->probed_modes)) {
3612 struct drm_display_mode *preferred_mode = NULL;
3614 list_for_each_entry(preferred_mode,
3615 &connector->probed_modes,
3617 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED)
3618 amdgpu_encoder->native_mode = *preferred_mode;
3626 static struct drm_display_mode *
3627 amdgpu_dm_create_common_mode(struct drm_encoder *encoder,
3629 int hdisplay, int vdisplay)
3631 struct drm_device *dev = encoder->dev;
3632 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3633 struct drm_display_mode *mode = NULL;
3634 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
3636 mode = drm_mode_duplicate(dev, native_mode);
3641 mode->hdisplay = hdisplay;
3642 mode->vdisplay = vdisplay;
3643 mode->type &= ~DRM_MODE_TYPE_PREFERRED;
3644 strncpy(mode->name, name, DRM_DISPLAY_MODE_LEN);
3650 static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder,
3651 struct drm_connector *connector)
3653 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3654 struct drm_display_mode *mode = NULL;
3655 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
3656 struct amdgpu_dm_connector *amdgpu_dm_connector =
3657 to_amdgpu_dm_connector(connector);
3661 char name[DRM_DISPLAY_MODE_LEN];
3664 } common_modes[] = {
3665 { "640x480", 640, 480},
3666 { "800x600", 800, 600},
3667 { "1024x768", 1024, 768},
3668 { "1280x720", 1280, 720},
3669 { "1280x800", 1280, 800},
3670 {"1280x1024", 1280, 1024},
3671 { "1440x900", 1440, 900},
3672 {"1680x1050", 1680, 1050},
3673 {"1600x1200", 1600, 1200},
3674 {"1920x1080", 1920, 1080},
3675 {"1920x1200", 1920, 1200}
3678 n = ARRAY_SIZE(common_modes);
3680 for (i = 0; i < n; i++) {
3681 struct drm_display_mode *curmode = NULL;
3682 bool mode_existed = false;
3684 if (common_modes[i].w > native_mode->hdisplay ||
3685 common_modes[i].h > native_mode->vdisplay ||
3686 (common_modes[i].w == native_mode->hdisplay &&
3687 common_modes[i].h == native_mode->vdisplay))
3690 list_for_each_entry(curmode, &connector->probed_modes, head) {
3691 if (common_modes[i].w == curmode->hdisplay &&
3692 common_modes[i].h == curmode->vdisplay) {
3693 mode_existed = true;
3701 mode = amdgpu_dm_create_common_mode(encoder,
3702 common_modes[i].name, common_modes[i].w,
3704 drm_mode_probed_add(connector, mode);
3705 amdgpu_dm_connector->num_modes++;
3709 static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector,
3712 struct amdgpu_dm_connector *amdgpu_dm_connector =
3713 to_amdgpu_dm_connector(connector);
3716 /* empty probed_modes */
3717 INIT_LIST_HEAD(&connector->probed_modes);
3718 amdgpu_dm_connector->num_modes =
3719 drm_add_edid_modes(connector, edid);
3721 amdgpu_dm_get_native_mode(connector);
3723 amdgpu_dm_connector->num_modes = 0;
3727 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
3729 const struct drm_connector_helper_funcs *helper =
3730 connector->helper_private;
3731 struct amdgpu_dm_connector *amdgpu_dm_connector =
3732 to_amdgpu_dm_connector(connector);
3733 struct drm_encoder *encoder;
3734 struct edid *edid = amdgpu_dm_connector->edid;
3736 encoder = helper->best_encoder(connector);
3738 if (!edid || !drm_edid_is_valid(edid)) {
3739 amdgpu_dm_connector->num_modes =
3740 drm_add_modes_noedid(connector, 640, 480);
3742 amdgpu_dm_connector_ddc_get_modes(connector, edid);
3743 amdgpu_dm_connector_add_common_modes(encoder, connector);
3745 amdgpu_dm_fbc_init(connector);
3747 return amdgpu_dm_connector->num_modes;
3750 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
3751 struct amdgpu_dm_connector *aconnector,
3753 struct dc_link *link,
3756 struct amdgpu_device *adev = dm->ddev->dev_private;
3758 aconnector->connector_id = link_index;
3759 aconnector->dc_link = link;
3760 aconnector->base.interlace_allowed = false;
3761 aconnector->base.doublescan_allowed = false;
3762 aconnector->base.stereo_allowed = false;
3763 aconnector->base.dpms = DRM_MODE_DPMS_OFF;
3764 aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
3765 mutex_init(&aconnector->hpd_lock);
3768 * configure support HPD hot plug connector_>polled default value is 0
3769 * which means HPD hot plug not supported
3771 switch (connector_type) {
3772 case DRM_MODE_CONNECTOR_HDMIA:
3773 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
3774 aconnector->base.ycbcr_420_allowed =
3775 link->link_enc->features.ycbcr420_supported ? true : false;
3777 case DRM_MODE_CONNECTOR_DisplayPort:
3778 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
3779 aconnector->base.ycbcr_420_allowed =
3780 link->link_enc->features.ycbcr420_supported ? true : false;
3782 case DRM_MODE_CONNECTOR_DVID:
3783 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
3789 drm_object_attach_property(&aconnector->base.base,
3790 dm->ddev->mode_config.scaling_mode_property,
3791 DRM_MODE_SCALE_NONE);
3793 drm_object_attach_property(&aconnector->base.base,
3794 adev->mode_info.underscan_property,
3796 drm_object_attach_property(&aconnector->base.base,
3797 adev->mode_info.underscan_hborder_property,
3799 drm_object_attach_property(&aconnector->base.base,
3800 adev->mode_info.underscan_vborder_property,
3805 static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
3806 struct i2c_msg *msgs, int num)
3808 struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap);
3809 struct ddc_service *ddc_service = i2c->ddc_service;
3810 struct i2c_command cmd;
3814 cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL);
3819 cmd.number_of_payloads = num;
3820 cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
3823 for (i = 0; i < num; i++) {
3824 cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD);
3825 cmd.payloads[i].address = msgs[i].addr;
3826 cmd.payloads[i].length = msgs[i].len;
3827 cmd.payloads[i].data = msgs[i].buf;
3831 ddc_service->ctx->dc,
3832 ddc_service->ddc_pin->hw_info.ddc_channel,
3836 kfree(cmd.payloads);
3840 static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap)
3842 return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
3845 static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
3846 .master_xfer = amdgpu_dm_i2c_xfer,
3847 .functionality = amdgpu_dm_i2c_func,
3850 static struct amdgpu_i2c_adapter *
3851 create_i2c(struct ddc_service *ddc_service,
3855 struct amdgpu_device *adev = ddc_service->ctx->driver_context;
3856 struct amdgpu_i2c_adapter *i2c;
3858 i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL);
3861 i2c->base.owner = THIS_MODULE;
3862 i2c->base.class = I2C_CLASS_DDC;
3863 i2c->base.dev.parent = &adev->pdev->dev;
3864 i2c->base.algo = &amdgpu_dm_i2c_algo;
3865 snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
3866 i2c_set_adapdata(&i2c->base, i2c);
3867 i2c->ddc_service = ddc_service;
3868 i2c->ddc_service->ddc_pin->hw_info.ddc_channel = link_index;
3875 * Note: this function assumes that dc_link_detect() was called for the
3876 * dc_link which will be represented by this aconnector.
3878 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
3879 struct amdgpu_dm_connector *aconnector,
3880 uint32_t link_index,
3881 struct amdgpu_encoder *aencoder)
3885 struct dc *dc = dm->dc;
3886 struct dc_link *link = dc_get_link_at_index(dc, link_index);
3887 struct amdgpu_i2c_adapter *i2c;
3889 link->priv = aconnector;
3891 DRM_DEBUG_DRIVER("%s()\n", __func__);
3893 i2c = create_i2c(link->ddc, link->link_index, &res);
3895 DRM_ERROR("Failed to create i2c adapter data\n");
3899 aconnector->i2c = i2c;
3900 res = i2c_add_adapter(&i2c->base);
3903 DRM_ERROR("Failed to register hw i2c %d\n", link->link_index);
3907 connector_type = to_drm_connector_type(link->connector_signal);
3909 res = drm_connector_init(
3912 &amdgpu_dm_connector_funcs,
3916 DRM_ERROR("connector_init failed\n");
3917 aconnector->connector_id = -1;
3921 drm_connector_helper_add(
3923 &amdgpu_dm_connector_helper_funcs);
3925 if (aconnector->base.funcs->reset)
3926 aconnector->base.funcs->reset(&aconnector->base);
3928 amdgpu_dm_connector_init_helper(
3935 drm_connector_attach_encoder(
3936 &aconnector->base, &aencoder->base);
3938 drm_connector_register(&aconnector->base);
3939 #if defined(CONFIG_DEBUG_FS)
3940 res = connector_debugfs_init(aconnector);
3942 DRM_ERROR("Failed to create debugfs for connector");
3947 if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
3948 || connector_type == DRM_MODE_CONNECTOR_eDP)
3949 amdgpu_dm_initialize_dp_connector(dm, aconnector);
3954 aconnector->i2c = NULL;
3959 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev)
3961 switch (adev->mode_info.num_crtc) {
3978 static int amdgpu_dm_encoder_init(struct drm_device *dev,
3979 struct amdgpu_encoder *aencoder,
3980 uint32_t link_index)
3982 struct amdgpu_device *adev = dev->dev_private;
3984 int res = drm_encoder_init(dev,
3986 &amdgpu_dm_encoder_funcs,
3987 DRM_MODE_ENCODER_TMDS,
3990 aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev);
3993 aencoder->encoder_id = link_index;
3995 aencoder->encoder_id = -1;
3997 drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs);
4002 static void manage_dm_interrupts(struct amdgpu_device *adev,
4003 struct amdgpu_crtc *acrtc,
4007 * this is not correct translation but will work as soon as VBLANK
4008 * constant is the same as PFLIP
4011 amdgpu_display_crtc_idx_to_irq_type(
4016 drm_crtc_vblank_on(&acrtc->base);
4019 &adev->pageflip_irq,
4025 &adev->pageflip_irq,
4027 drm_crtc_vblank_off(&acrtc->base);
4032 is_scaling_state_different(const struct dm_connector_state *dm_state,
4033 const struct dm_connector_state *old_dm_state)
4035 if (dm_state->scaling != old_dm_state->scaling)
4037 if (!dm_state->underscan_enable && old_dm_state->underscan_enable) {
4038 if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0)
4040 } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) {
4041 if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0)
4043 } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder ||
4044 dm_state->underscan_vborder != old_dm_state->underscan_vborder)
4049 static void remove_stream(struct amdgpu_device *adev,
4050 struct amdgpu_crtc *acrtc,
4051 struct dc_stream_state *stream)
4053 /* this is the update mode case */
4055 acrtc->otg_inst = -1;
4056 acrtc->enabled = false;
4059 static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc,
4060 struct dc_cursor_position *position)
4062 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
4064 int xorigin = 0, yorigin = 0;
4066 if (!crtc || !plane->state->fb) {
4067 position->enable = false;
4073 if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) ||
4074 (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) {
4075 DRM_ERROR("%s: bad cursor width or height %d x %d\n",
4077 plane->state->crtc_w,
4078 plane->state->crtc_h);
4082 x = plane->state->crtc_x;
4083 y = plane->state->crtc_y;
4084 /* avivo cursor are offset into the total surface */
4085 x += crtc->primary->state->src_x >> 16;
4086 y += crtc->primary->state->src_y >> 16;
4088 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
4092 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
4095 position->enable = true;
4098 position->x_hotspot = xorigin;
4099 position->y_hotspot = yorigin;
4104 static void handle_cursor_update(struct drm_plane *plane,
4105 struct drm_plane_state *old_plane_state)
4107 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb);
4108 struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc;
4109 struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL;
4110 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
4111 uint64_t address = afb ? afb->address : 0;
4112 struct dc_cursor_position position;
4113 struct dc_cursor_attributes attributes;
4116 if (!plane->state->fb && !old_plane_state->fb)
4119 DRM_DEBUG_DRIVER("%s: crtc_id=%d with size %d to %d\n",
4121 amdgpu_crtc->crtc_id,
4122 plane->state->crtc_w,
4123 plane->state->crtc_h);
4125 ret = get_cursor_position(plane, crtc, &position);
4129 if (!position.enable) {
4130 /* turn off cursor */
4131 if (crtc_state && crtc_state->stream)
4132 dc_stream_set_cursor_position(crtc_state->stream,
4137 amdgpu_crtc->cursor_width = plane->state->crtc_w;
4138 amdgpu_crtc->cursor_height = plane->state->crtc_h;
4140 attributes.address.high_part = upper_32_bits(address);
4141 attributes.address.low_part = lower_32_bits(address);
4142 attributes.width = plane->state->crtc_w;
4143 attributes.height = plane->state->crtc_h;
4144 attributes.color_format = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA;
4145 attributes.rotation_angle = 0;
4146 attributes.attribute_flags.value = 0;
4148 attributes.pitch = attributes.width;
4150 if (crtc_state->stream) {
4151 if (!dc_stream_set_cursor_attributes(crtc_state->stream,
4153 DRM_ERROR("DC failed to set cursor attributes\n");
4155 if (!dc_stream_set_cursor_position(crtc_state->stream,
4157 DRM_ERROR("DC failed to set cursor position\n");
4161 static void prepare_flip_isr(struct amdgpu_crtc *acrtc)
4164 assert_spin_locked(&acrtc->base.dev->event_lock);
4165 WARN_ON(acrtc->event);
4167 acrtc->event = acrtc->base.state->event;
4169 /* Set the flip status */
4170 acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED;
4172 /* Mark this event as consumed */
4173 acrtc->base.state->event = NULL;
4175 DRM_DEBUG_DRIVER("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n",
4182 * Waits on all BO's fences and for proper vblank count
4184 static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
4185 struct drm_framebuffer *fb,
4187 struct dc_state *state)
4189 unsigned long flags;
4190 uint32_t target_vblank;
4192 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4193 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb);
4194 struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]);
4195 struct amdgpu_device *adev = crtc->dev->dev_private;
4196 bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
4197 struct dc_flip_addrs addr = { {0} };
4198 /* TODO eliminate or rename surface_update */
4199 struct dc_surface_update surface_updates[1] = { {0} };
4200 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state);
4201 struct dc_stream_status *stream_status;
4204 /* Prepare wait for target vblank early - before the fence-waits */
4205 target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) +
4206 amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id);
4209 * TODO This might fail and hence better not used, wait
4210 * explicitly on fences instead
4211 * and in general should be called for
4212 * blocking commit to as per framework helpers
4214 r = amdgpu_bo_reserve(abo, true);
4215 if (unlikely(r != 0)) {
4216 DRM_ERROR("failed to reserve buffer before flip\n");
4220 /* Wait for all fences on this FB */
4221 WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false,
4222 MAX_SCHEDULE_TIMEOUT) < 0);
4224 amdgpu_bo_unreserve(abo);
4227 * Wait until we're out of the vertical blank period before the one
4228 * targeted by the flip
4230 while ((acrtc->enabled &&
4231 (amdgpu_display_get_crtc_scanoutpos(adev->ddev, acrtc->crtc_id,
4232 0, &vpos, &hpos, NULL,
4233 NULL, &crtc->hwmode)
4234 & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) ==
4235 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) &&
4236 (int)(target_vblank -
4237 amdgpu_get_vblank_counter_kms(adev->ddev, acrtc->crtc_id)) > 0)) {
4238 usleep_range(1000, 1100);
4242 spin_lock_irqsave(&crtc->dev->event_lock, flags);
4244 WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE);
4245 WARN_ON(!acrtc_state->stream);
4247 addr.address.grph.addr.low_part = lower_32_bits(afb->address);
4248 addr.address.grph.addr.high_part = upper_32_bits(afb->address);
4249 addr.flip_immediate = async_flip;
4252 if (acrtc->base.state->event)
4253 prepare_flip_isr(acrtc);
4255 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
4257 stream_status = dc_stream_get_status(acrtc_state->stream);
4258 if (!stream_status) {
4259 DRM_ERROR("No stream status for CRTC: id=%d\n",
4264 surface_updates->surface = stream_status->plane_states[0];
4265 if (!surface_updates->surface) {
4266 DRM_ERROR("No surface for CRTC: id=%d\n",
4270 surface_updates->flip_addr = &addr;
4272 dc_commit_updates_for_stream(adev->dm.dc,
4275 acrtc_state->stream,
4277 &surface_updates->surface,
4280 DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x \n",
4282 addr.address.grph.addr.high_part,
4283 addr.address.grph.addr.low_part);
4287 * TODO this whole function needs to go
4289 * dc_surface_update is needlessly complex. See if we can just replace this
4290 * with a dc_plane_state and follow the atomic model a bit more closely here.
4292 static bool commit_planes_to_stream(
4294 struct dc_plane_state **plane_states,
4295 uint8_t new_plane_count,
4296 struct dm_crtc_state *dm_new_crtc_state,
4297 struct dm_crtc_state *dm_old_crtc_state,
4298 struct dc_state *state)
4300 /* no need to dynamically allocate this. it's pretty small */
4301 struct dc_surface_update updates[MAX_SURFACES];
4302 struct dc_flip_addrs *flip_addr;
4303 struct dc_plane_info *plane_info;
4304 struct dc_scaling_info *scaling_info;
4306 struct dc_stream_state *dc_stream = dm_new_crtc_state->stream;
4307 struct dc_stream_update *stream_update =
4308 kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL);
4310 if (!stream_update) {
4311 BREAK_TO_DEBUGGER();
4315 flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs),
4317 plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info),
4319 scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info),
4322 if (!flip_addr || !plane_info || !scaling_info) {
4325 kfree(scaling_info);
4326 kfree(stream_update);
4330 memset(updates, 0, sizeof(updates));
4332 stream_update->src = dc_stream->src;
4333 stream_update->dst = dc_stream->dst;
4334 stream_update->out_transfer_func = dc_stream->out_transfer_func;
4336 if (dm_new_crtc_state->freesync_enabled != dm_old_crtc_state->freesync_enabled) {
4337 stream_update->vrr_infopacket = &dc_stream->vrr_infopacket;
4338 stream_update->adjust = &dc_stream->adjust;
4341 for (i = 0; i < new_plane_count; i++) {
4342 updates[i].surface = plane_states[i];
4344 (struct dc_gamma *)plane_states[i]->gamma_correction;
4345 updates[i].in_transfer_func = plane_states[i]->in_transfer_func;
4346 flip_addr[i].address = plane_states[i]->address;
4347 flip_addr[i].flip_immediate = plane_states[i]->flip_immediate;
4348 plane_info[i].color_space = plane_states[i]->color_space;
4349 plane_info[i].format = plane_states[i]->format;
4350 plane_info[i].plane_size = plane_states[i]->plane_size;
4351 plane_info[i].rotation = plane_states[i]->rotation;
4352 plane_info[i].horizontal_mirror = plane_states[i]->horizontal_mirror;
4353 plane_info[i].stereo_format = plane_states[i]->stereo_format;
4354 plane_info[i].tiling_info = plane_states[i]->tiling_info;
4355 plane_info[i].visible = plane_states[i]->visible;
4356 plane_info[i].per_pixel_alpha = plane_states[i]->per_pixel_alpha;
4357 plane_info[i].dcc = plane_states[i]->dcc;
4358 scaling_info[i].scaling_quality = plane_states[i]->scaling_quality;
4359 scaling_info[i].src_rect = plane_states[i]->src_rect;
4360 scaling_info[i].dst_rect = plane_states[i]->dst_rect;
4361 scaling_info[i].clip_rect = plane_states[i]->clip_rect;
4363 updates[i].flip_addr = &flip_addr[i];
4364 updates[i].plane_info = &plane_info[i];
4365 updates[i].scaling_info = &scaling_info[i];
4368 dc_commit_updates_for_stream(
4372 dc_stream, stream_update, plane_states, state);
4376 kfree(scaling_info);
4377 kfree(stream_update);
4381 static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
4382 struct drm_device *dev,
4383 struct amdgpu_display_manager *dm,
4384 struct drm_crtc *pcrtc,
4385 bool *wait_for_vblank)
4388 struct drm_plane *plane;
4389 struct drm_plane_state *old_plane_state, *new_plane_state;
4390 struct dc_stream_state *dc_stream_attach;
4391 struct dc_plane_state *plane_states_constructed[MAX_SURFACES];
4392 struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc);
4393 struct drm_crtc_state *new_pcrtc_state =
4394 drm_atomic_get_new_crtc_state(state, pcrtc);
4395 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state);
4396 struct dm_crtc_state *dm_old_crtc_state =
4397 to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc));
4398 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
4399 int planes_count = 0;
4400 unsigned long flags;
4402 /* update planes when needed */
4403 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
4404 struct drm_crtc *crtc = new_plane_state->crtc;
4405 struct drm_crtc_state *new_crtc_state;
4406 struct drm_framebuffer *fb = new_plane_state->fb;
4408 struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state);
4410 if (plane->type == DRM_PLANE_TYPE_CURSOR) {
4411 handle_cursor_update(plane, old_plane_state);
4415 if (!fb || !crtc || pcrtc != crtc)
4418 new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
4419 if (!new_crtc_state->active)
4422 pflip_needed = !state->allow_modeset;
4424 spin_lock_irqsave(&crtc->dev->event_lock, flags);
4425 if (acrtc_attach->pflip_status != AMDGPU_FLIP_NONE) {
4426 DRM_ERROR("%s: acrtc %d, already busy\n",
4428 acrtc_attach->crtc_id);
4429 /* In commit tail framework this cannot happen */
4432 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
4434 if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) {
4435 WARN_ON(!dm_new_plane_state->dc_state);
4437 plane_states_constructed[planes_count] = dm_new_plane_state->dc_state;
4439 dc_stream_attach = acrtc_state->stream;
4442 } else if (new_crtc_state->planes_changed) {
4443 /* Assume even ONE crtc with immediate flip means
4444 * entire can't wait for VBLANK
4445 * TODO Check if it's correct
4448 new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ?
4451 /* TODO: Needs rework for multiplane flip */
4452 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
4453 drm_crtc_vblank_get(crtc);
4458 (uint32_t)drm_crtc_vblank_count(crtc) + *wait_for_vblank,
4465 unsigned long flags;
4467 if (new_pcrtc_state->event) {
4469 drm_crtc_vblank_get(pcrtc);
4471 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
4472 prepare_flip_isr(acrtc_attach);
4473 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
4476 dc_stream_attach->adjust = acrtc_state->adjust;
4477 dc_stream_attach->vrr_infopacket = acrtc_state->vrr_infopacket;
4479 if (false == commit_planes_to_stream(dm->dc,
4480 plane_states_constructed,
4485 dm_error("%s: Failed to attach plane!\n", __func__);
4487 /*TODO BUG Here should go disable planes on CRTC. */
4492 * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC
4493 * @crtc_state: the DRM CRTC state
4494 * @stream_state: the DC stream state.
4496 * Copy the mirrored transient state flags from DRM, to DC. It is used to bring
4497 * a dc_stream_state's flags in sync with a drm_crtc_state's flags.
4499 static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state,
4500 struct dc_stream_state *stream_state)
4502 stream_state->mode_changed = crtc_state->mode_changed;
4505 static int amdgpu_dm_atomic_commit(struct drm_device *dev,
4506 struct drm_atomic_state *state,
4509 struct drm_crtc *crtc;
4510 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
4511 struct amdgpu_device *adev = dev->dev_private;
4515 * We evade vblanks and pflips on crtc that
4516 * should be changed. We do it here to flush & disable
4517 * interrupts before drm_swap_state is called in drm_atomic_helper_commit
4518 * it will update crtc->dm_crtc_state->stream pointer which is used in
4521 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
4522 struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
4523 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4525 if (drm_atomic_crtc_needs_modeset(new_crtc_state) && dm_old_crtc_state->stream)
4526 manage_dm_interrupts(adev, acrtc, false);
4529 * Add check here for SoC's that support hardware cursor plane, to
4530 * unset legacy_cursor_update
4533 return drm_atomic_helper_commit(dev, state, nonblock);
4535 /*TODO Handle EINTR, reenable IRQ*/
4538 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
4540 struct drm_device *dev = state->dev;
4541 struct amdgpu_device *adev = dev->dev_private;
4542 struct amdgpu_display_manager *dm = &adev->dm;
4543 struct dm_atomic_state *dm_state;
4545 struct drm_crtc *crtc;
4546 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
4547 unsigned long flags;
4548 bool wait_for_vblank = true;
4549 struct drm_connector *connector;
4550 struct drm_connector_state *old_con_state, *new_con_state;
4551 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
4552 int crtc_disable_count = 0;
4554 drm_atomic_helper_update_legacy_modeset_state(dev, state);
4556 dm_state = to_dm_atomic_state(state);
4558 /* update changed items */
4559 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
4560 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4562 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4563 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
4566 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
4567 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
4568 "connectors_changed:%d\n",
4570 new_crtc_state->enable,
4571 new_crtc_state->active,
4572 new_crtc_state->planes_changed,
4573 new_crtc_state->mode_changed,
4574 new_crtc_state->active_changed,
4575 new_crtc_state->connectors_changed);
4577 /* Copy all transient state flags into dc state */
4578 if (dm_new_crtc_state->stream) {
4579 amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base,
4580 dm_new_crtc_state->stream);
4583 /* handles headless hotplug case, updating new_state and
4584 * aconnector as needed
4587 if (modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) {
4589 DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc);
4591 if (!dm_new_crtc_state->stream) {
4593 * this could happen because of issues with
4594 * userspace notifications delivery.
4595 * In this case userspace tries to set mode on
4596 * display which is disconnected in fact.
4597 * dc_sink is NULL in this case on aconnector.
4598 * We expect reset mode will come soon.
4600 * This can also happen when unplug is done
4601 * during resume sequence ended
4603 * In this case, we want to pretend we still
4604 * have a sink to keep the pipe running so that
4605 * hw state is consistent with the sw state
4607 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
4608 __func__, acrtc->base.base.id);
4612 if (dm_old_crtc_state->stream)
4613 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
4615 pm_runtime_get_noresume(dev->dev);
4617 acrtc->enabled = true;
4618 acrtc->hw_mode = new_crtc_state->mode;
4619 crtc->hwmode = new_crtc_state->mode;
4620 } else if (modereset_required(new_crtc_state)) {
4621 DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
4623 /* i.e. reset mode */
4624 if (dm_old_crtc_state->stream)
4625 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
4627 } /* for_each_crtc_in_state() */
4629 if (dm_state->context) {
4630 dm_enable_per_frame_crtc_master_sync(dm_state->context);
4631 WARN_ON(!dc_commit_state(dm->dc, dm_state->context));
4634 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
4635 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4637 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4639 if (dm_new_crtc_state->stream != NULL) {
4640 const struct dc_stream_status *status =
4641 dc_stream_get_status(dm_new_crtc_state->stream);
4644 DC_ERR("got no status for stream %p on acrtc%p\n", dm_new_crtc_state->stream, acrtc);
4646 acrtc->otg_inst = status->primary_otg_inst;
4650 /* Handle scaling and underscan changes*/
4651 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
4652 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
4653 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
4654 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
4655 struct dc_stream_status *status = NULL;
4658 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
4659 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base);
4662 /* Skip any modesets/resets */
4663 if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state))
4666 /* Skip anything that is not scaling or underscan changes */
4667 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state))
4670 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4672 update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode,
4673 dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream);
4675 if (!dm_new_crtc_state->stream)
4678 status = dc_stream_get_status(dm_new_crtc_state->stream);
4680 WARN_ON(!status->plane_count);
4682 dm_new_crtc_state->stream->adjust = dm_new_crtc_state->adjust;
4683 dm_new_crtc_state->stream->vrr_infopacket = dm_new_crtc_state->vrr_infopacket;
4685 /*TODO How it works with MPO ?*/
4686 if (!commit_planes_to_stream(
4688 status->plane_states,
4689 status->plane_count,
4691 to_dm_crtc_state(old_crtc_state),
4693 dm_error("%s: Failed to update stream scaling!\n", __func__);
4696 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
4697 new_crtc_state, i) {
4699 * loop to enable interrupts on newly arrived crtc
4701 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4702 bool modeset_needed;
4704 if (old_crtc_state->active && !new_crtc_state->active)
4705 crtc_disable_count++;
4707 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4708 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
4709 modeset_needed = modeset_required(
4711 dm_new_crtc_state->stream,
4712 dm_old_crtc_state->stream);
4714 if (dm_new_crtc_state->stream == NULL || !modeset_needed)
4717 manage_dm_interrupts(adev, acrtc, true);
4720 /* update planes when needed per crtc*/
4721 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) {
4722 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4724 if (dm_new_crtc_state->stream)
4725 amdgpu_dm_commit_planes(state, dev, dm, crtc, &wait_for_vblank);
4730 * send vblank event on all events not handled in flip and
4731 * mark consumed event for drm_atomic_helper_commit_hw_done
4733 spin_lock_irqsave(&adev->ddev->event_lock, flags);
4734 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
4736 if (new_crtc_state->event)
4737 drm_send_event_locked(dev, &new_crtc_state->event->base);
4739 new_crtc_state->event = NULL;
4741 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
4744 if (wait_for_vblank)
4745 drm_atomic_helper_wait_for_flip_done(dev, state);
4749 * Delay hw_done() until flip_done() is signaled. This is to block
4750 * another commit from freeing the CRTC state while we're still
4751 * waiting on flip_done.
4753 drm_atomic_helper_commit_hw_done(state);
4755 drm_atomic_helper_cleanup_planes(dev, state);
4758 * Finally, drop a runtime PM reference for each newly disabled CRTC,
4759 * so we can put the GPU into runtime suspend if we're not driving any
4762 for (i = 0; i < crtc_disable_count; i++)
4763 pm_runtime_put_autosuspend(dev->dev);
4764 pm_runtime_mark_last_busy(dev->dev);
4768 static int dm_force_atomic_commit(struct drm_connector *connector)
4771 struct drm_device *ddev = connector->dev;
4772 struct drm_atomic_state *state = drm_atomic_state_alloc(ddev);
4773 struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
4774 struct drm_plane *plane = disconnected_acrtc->base.primary;
4775 struct drm_connector_state *conn_state;
4776 struct drm_crtc_state *crtc_state;
4777 struct drm_plane_state *plane_state;
4782 state->acquire_ctx = ddev->mode_config.acquire_ctx;
4784 /* Construct an atomic state to restore previous display setting */
4787 * Attach connectors to drm_atomic_state
4789 conn_state = drm_atomic_get_connector_state(state, connector);
4791 ret = PTR_ERR_OR_ZERO(conn_state);
4795 /* Attach crtc to drm_atomic_state*/
4796 crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
4798 ret = PTR_ERR_OR_ZERO(crtc_state);
4802 /* force a restore */
4803 crtc_state->mode_changed = true;
4805 /* Attach plane to drm_atomic_state */
4806 plane_state = drm_atomic_get_plane_state(state, plane);
4808 ret = PTR_ERR_OR_ZERO(plane_state);
4813 /* Call commit internally with the state we just constructed */
4814 ret = drm_atomic_commit(state);
4819 DRM_ERROR("Restoring old state failed with %i\n", ret);
4820 drm_atomic_state_put(state);
4826 * This function handles all cases when set mode does not come upon hotplug.
4827 * This includes when a display is unplugged then plugged back into the
4828 * same port and when running without usermode desktop manager supprot
4830 void dm_restore_drm_connector_state(struct drm_device *dev,
4831 struct drm_connector *connector)
4833 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
4834 struct amdgpu_crtc *disconnected_acrtc;
4835 struct dm_crtc_state *acrtc_state;
4837 if (!aconnector->dc_sink || !connector->state || !connector->encoder)
4840 disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
4841 if (!disconnected_acrtc)
4844 acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state);
4845 if (!acrtc_state->stream)
4849 * If the previous sink is not released and different from the current,
4850 * we deduce we are in a state where we can not rely on usermode call
4851 * to turn on the display, so we do it here
4853 if (acrtc_state->stream->sink != aconnector->dc_sink)
4854 dm_force_atomic_commit(&aconnector->base);
4858 * Grabs all modesetting locks to serialize against any blocking commits,
4859 * Waits for completion of all non blocking commits.
4861 static int do_aquire_global_lock(struct drm_device *dev,
4862 struct drm_atomic_state *state)
4864 struct drm_crtc *crtc;
4865 struct drm_crtc_commit *commit;
4869 * Adding all modeset locks to aquire_ctx will
4870 * ensure that when the framework release it the
4871 * extra locks we are locking here will get released to
4873 ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx);
4877 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
4878 spin_lock(&crtc->commit_lock);
4879 commit = list_first_entry_or_null(&crtc->commit_list,
4880 struct drm_crtc_commit, commit_entry);
4882 drm_crtc_commit_get(commit);
4883 spin_unlock(&crtc->commit_lock);
4889 * Make sure all pending HW programming completed and
4892 ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ);
4895 ret = wait_for_completion_interruptible_timeout(
4896 &commit->flip_done, 10*HZ);
4899 DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done "
4900 "timed out\n", crtc->base.id, crtc->name);
4902 drm_crtc_commit_put(commit);
4905 return ret < 0 ? ret : 0;
4908 void set_freesync_on_stream(struct amdgpu_display_manager *dm,
4909 struct dm_crtc_state *new_crtc_state,
4910 struct dm_connector_state *new_con_state,
4911 struct dc_stream_state *new_stream)
4913 struct mod_freesync_config config = {0};
4914 struct mod_vrr_params vrr = {0};
4915 struct dc_info_packet vrr_infopacket = {0};
4916 struct amdgpu_dm_connector *aconnector =
4917 to_amdgpu_dm_connector(new_con_state->base.connector);
4919 if (new_con_state->freesync_capable &&
4920 new_con_state->freesync_enable) {
4921 config.state = new_crtc_state->freesync_enabled ?
4922 VRR_STATE_ACTIVE_VARIABLE :
4924 config.min_refresh_in_uhz =
4925 aconnector->min_vfreq * 1000000;
4926 config.max_refresh_in_uhz =
4927 aconnector->max_vfreq * 1000000;
4928 config.vsif_supported = true;
4931 mod_freesync_build_vrr_params(dm->freesync_module,
4935 mod_freesync_build_vrr_infopacket(dm->freesync_module,
4942 new_crtc_state->adjust = vrr.adjust;
4943 new_crtc_state->vrr_infopacket = vrr_infopacket;
4946 static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
4947 struct drm_atomic_state *state,
4949 bool *lock_and_validation_needed)
4951 struct drm_crtc *crtc;
4952 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
4954 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
4955 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
4956 struct dc_stream_state *new_stream;
4960 * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set
4961 * update changed items
4963 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
4964 struct amdgpu_crtc *acrtc = NULL;
4965 struct amdgpu_dm_connector *aconnector = NULL;
4966 struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL;
4967 struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL;
4968 struct drm_plane_state *new_plane_state = NULL;
4972 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
4973 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
4974 acrtc = to_amdgpu_crtc(crtc);
4976 new_plane_state = drm_atomic_get_new_plane_state(state, new_crtc_state->crtc->primary);
4978 if (new_crtc_state->enable && new_plane_state && !new_plane_state->fb) {
4983 aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc);
4985 /* TODO This hack should go away */
4986 if (aconnector && enable) {
4987 /* Make sure fake sink is created in plug-in scenario */
4988 drm_new_conn_state = drm_atomic_get_new_connector_state(state,
4990 drm_old_conn_state = drm_atomic_get_old_connector_state(state,
4993 if (IS_ERR(drm_new_conn_state)) {
4994 ret = PTR_ERR_OR_ZERO(drm_new_conn_state);
4998 dm_new_conn_state = to_dm_connector_state(drm_new_conn_state);
4999 dm_old_conn_state = to_dm_connector_state(drm_old_conn_state);
5001 new_stream = create_stream_for_sink(aconnector,
5002 &new_crtc_state->mode,
5006 * we can have no stream on ACTION_SET if a display
5007 * was disconnected during S3, in this case it is not an
5008 * error, the OS will be updated after detection, and
5009 * will do the right thing on next atomic commit
5013 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
5014 __func__, acrtc->base.base.id);
5018 set_freesync_on_stream(dm, dm_new_crtc_state,
5019 dm_new_conn_state, new_stream);
5021 if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
5022 dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
5023 new_crtc_state->mode_changed = false;
5024 DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
5025 new_crtc_state->mode_changed);
5029 if (dm_old_crtc_state->freesync_enabled != dm_new_crtc_state->freesync_enabled)
5030 new_crtc_state->mode_changed = true;
5032 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
5036 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
5037 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
5038 "connectors_changed:%d\n",
5040 new_crtc_state->enable,
5041 new_crtc_state->active,
5042 new_crtc_state->planes_changed,
5043 new_crtc_state->mode_changed,
5044 new_crtc_state->active_changed,
5045 new_crtc_state->connectors_changed);
5047 /* Remove stream for any changed/disabled CRTC */
5050 if (!dm_old_crtc_state->stream)
5053 DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n",
5056 /* i.e. reset mode */
5057 if (dc_remove_stream_from_ctx(
5060 dm_old_crtc_state->stream) != DC_OK) {
5065 dc_stream_release(dm_old_crtc_state->stream);
5066 dm_new_crtc_state->stream = NULL;
5068 *lock_and_validation_needed = true;
5070 } else {/* Add stream for any updated/enabled CRTC */
5072 * Quick fix to prevent NULL pointer on new_stream when
5073 * added MST connectors not found in existing crtc_state in the chained mode
5074 * TODO: need to dig out the root cause of that
5076 if (!aconnector || (!aconnector->dc_sink && aconnector->mst_port))
5079 if (modereset_required(new_crtc_state))
5082 if (modeset_required(new_crtc_state, new_stream,
5083 dm_old_crtc_state->stream)) {
5085 WARN_ON(dm_new_crtc_state->stream);
5087 dm_new_crtc_state->stream = new_stream;
5089 dc_stream_retain(new_stream);
5091 DRM_DEBUG_DRIVER("Enabling DRM crtc: %d\n",
5094 if (dc_add_stream_to_ctx(
5097 dm_new_crtc_state->stream) != DC_OK) {
5102 *lock_and_validation_needed = true;
5107 /* Release extra reference */
5109 dc_stream_release(new_stream);
5112 * We want to do dc stream updates that do not require a
5113 * full modeset below.
5115 if (!(enable && aconnector && new_crtc_state->enable &&
5116 new_crtc_state->active))
5119 * Given above conditions, the dc state cannot be NULL because:
5120 * 1. We're in the process of enabling CRTCs (just been added
5121 * to the dc context, or already is on the context)
5122 * 2. Has a valid connector attached, and
5123 * 3. Is currently active and enabled.
5124 * => The dc stream state currently exists.
5126 BUG_ON(dm_new_crtc_state->stream == NULL);
5128 /* Scaling or underscan settings */
5129 if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state))
5130 update_stream_scaling_settings(
5131 &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
5134 * Color management settings. We also update color properties
5135 * when a modeset is needed, to ensure it gets reprogrammed.
5137 if (dm_new_crtc_state->base.color_mgmt_changed ||
5138 drm_atomic_crtc_needs_modeset(new_crtc_state)) {
5139 ret = amdgpu_dm_set_regamma_lut(dm_new_crtc_state);
5142 amdgpu_dm_set_ctm(dm_new_crtc_state);
5152 dc_stream_release(new_stream);
5156 static int dm_update_planes_state(struct dc *dc,
5157 struct drm_atomic_state *state,
5159 bool *lock_and_validation_needed)
5161 struct drm_crtc *new_plane_crtc, *old_plane_crtc;
5162 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
5163 struct drm_plane *plane;
5164 struct drm_plane_state *old_plane_state, *new_plane_state;
5165 struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state;
5166 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
5167 struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state;
5169 /* TODO return page_flip_needed() function */
5170 bool pflip_needed = !state->allow_modeset;
5174 /* Add new planes, in reverse order as DC expectation */
5175 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
5176 new_plane_crtc = new_plane_state->crtc;
5177 old_plane_crtc = old_plane_state->crtc;
5178 dm_new_plane_state = to_dm_plane_state(new_plane_state);
5179 dm_old_plane_state = to_dm_plane_state(old_plane_state);
5181 /*TODO Implement atomic check for cursor plane */
5182 if (plane->type == DRM_PLANE_TYPE_CURSOR)
5185 /* Remove any changed/removed planes */
5188 plane->type != DRM_PLANE_TYPE_OVERLAY)
5191 if (!old_plane_crtc)
5194 old_crtc_state = drm_atomic_get_old_crtc_state(
5195 state, old_plane_crtc);
5196 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5198 if (!dm_old_crtc_state->stream)
5201 DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n",
5202 plane->base.id, old_plane_crtc->base.id);
5204 if (!dc_remove_plane_from_context(
5206 dm_old_crtc_state->stream,
5207 dm_old_plane_state->dc_state,
5208 dm_state->context)) {
5215 dc_plane_state_release(dm_old_plane_state->dc_state);
5216 dm_new_plane_state->dc_state = NULL;
5218 *lock_and_validation_needed = true;
5220 } else { /* Add new planes */
5221 struct dc_plane_state *dc_new_plane_state;
5223 if (drm_atomic_plane_disabling(plane->state, new_plane_state))
5226 if (!new_plane_crtc)
5229 new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc);
5230 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5232 if (!dm_new_crtc_state->stream)
5236 plane->type != DRM_PLANE_TYPE_OVERLAY)
5239 WARN_ON(dm_new_plane_state->dc_state);
5241 dc_new_plane_state = dc_create_plane_state(dc);
5242 if (!dc_new_plane_state)
5245 DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n",
5246 plane->base.id, new_plane_crtc->base.id);
5248 ret = fill_plane_attributes(
5249 new_plane_crtc->dev->dev_private,
5254 dc_plane_state_release(dc_new_plane_state);
5259 * Any atomic check errors that occur after this will
5260 * not need a release. The plane state will be attached
5261 * to the stream, and therefore part of the atomic
5262 * state. It'll be released when the atomic state is
5265 if (!dc_add_plane_to_context(
5267 dm_new_crtc_state->stream,
5269 dm_state->context)) {
5271 dc_plane_state_release(dc_new_plane_state);
5275 dm_new_plane_state->dc_state = dc_new_plane_state;
5277 /* Tell DC to do a full surface update every time there
5278 * is a plane change. Inefficient, but works for now.
5280 dm_new_plane_state->dc_state->update_flags.bits.full_update = 1;
5282 *lock_and_validation_needed = true;
5289 enum surface_update_type dm_determine_update_type_for_commit(struct dc *dc, struct drm_atomic_state *state)
5293 int i, j, num_plane;
5294 struct drm_plane_state *old_plane_state, *new_plane_state;
5295 struct dm_plane_state *new_dm_plane_state, *old_dm_plane_state;
5296 struct drm_crtc *new_plane_crtc, *old_plane_crtc;
5297 struct drm_plane *plane;
5299 struct drm_crtc *crtc;
5300 struct drm_crtc_state *new_crtc_state, *old_crtc_state;
5301 struct dm_crtc_state *new_dm_crtc_state, *old_dm_crtc_state;
5302 struct dc_stream_status *status = NULL;
5304 struct dc_surface_update *updates = kzalloc(MAX_SURFACES * sizeof(struct dc_surface_update), GFP_KERNEL);
5305 struct dc_plane_state *surface = kzalloc(MAX_SURFACES * sizeof(struct dc_plane_state), GFP_KERNEL);
5306 struct dc_stream_update stream_update;
5307 enum surface_update_type update_type = UPDATE_TYPE_FAST;
5310 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5311 new_dm_crtc_state = to_dm_crtc_state(new_crtc_state);
5312 old_dm_crtc_state = to_dm_crtc_state(old_crtc_state);
5315 if (new_dm_crtc_state->stream) {
5317 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, j) {
5318 new_plane_crtc = new_plane_state->crtc;
5319 old_plane_crtc = old_plane_state->crtc;
5320 new_dm_plane_state = to_dm_plane_state(new_plane_state);
5321 old_dm_plane_state = to_dm_plane_state(old_plane_state);
5323 if (plane->type == DRM_PLANE_TYPE_CURSOR)
5326 if (!state->allow_modeset)
5329 if (crtc == new_plane_crtc) {
5330 updates[num_plane].surface = &surface[num_plane];
5332 if (new_crtc_state->mode_changed) {
5333 updates[num_plane].surface->src_rect =
5334 new_dm_plane_state->dc_state->src_rect;
5335 updates[num_plane].surface->dst_rect =
5336 new_dm_plane_state->dc_state->dst_rect;
5337 updates[num_plane].surface->rotation =
5338 new_dm_plane_state->dc_state->rotation;
5339 updates[num_plane].surface->in_transfer_func =
5340 new_dm_plane_state->dc_state->in_transfer_func;
5341 stream_update.dst = new_dm_crtc_state->stream->dst;
5342 stream_update.src = new_dm_crtc_state->stream->src;
5345 if (new_crtc_state->color_mgmt_changed) {
5346 updates[num_plane].gamma =
5347 new_dm_plane_state->dc_state->gamma_correction;
5348 updates[num_plane].in_transfer_func =
5349 new_dm_plane_state->dc_state->in_transfer_func;
5350 stream_update.gamut_remap =
5351 &new_dm_crtc_state->stream->gamut_remap_matrix;
5352 stream_update.out_transfer_func =
5353 new_dm_crtc_state->stream->out_transfer_func;
5360 if (num_plane > 0) {
5361 status = dc_stream_get_status(new_dm_crtc_state->stream);
5362 update_type = dc_check_update_surfaces_for_stream(dc, updates, num_plane,
5363 &stream_update, status);
5365 if (update_type > UPDATE_TYPE_MED) {
5366 update_type = UPDATE_TYPE_FULL;
5371 } else if (!new_dm_crtc_state->stream && old_dm_crtc_state->stream) {
5372 update_type = UPDATE_TYPE_FULL;
5384 static int amdgpu_dm_atomic_check(struct drm_device *dev,
5385 struct drm_atomic_state *state)
5387 struct amdgpu_device *adev = dev->dev_private;
5388 struct dc *dc = adev->dm.dc;
5389 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
5390 struct drm_connector *connector;
5391 struct drm_connector_state *old_con_state, *new_con_state;
5392 struct drm_crtc *crtc;
5393 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
5394 enum surface_update_type update_type = UPDATE_TYPE_FAST;
5395 enum surface_update_type overall_update_type = UPDATE_TYPE_FAST;
5400 * This bool will be set for true for any modeset/reset
5401 * or plane update which implies non fast surface update.
5403 bool lock_and_validation_needed = false;
5405 ret = drm_atomic_helper_check_modeset(dev, state);
5409 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5410 struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5411 struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5413 if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
5414 !new_crtc_state->color_mgmt_changed &&
5415 (dm_old_crtc_state->freesync_enabled == dm_new_crtc_state->freesync_enabled))
5418 if (!new_crtc_state->enable)
5421 ret = drm_atomic_add_affected_connectors(state, crtc);
5425 ret = drm_atomic_add_affected_planes(state, crtc);
5430 dm_state->context = dc_create_state();
5431 ASSERT(dm_state->context);
5432 dc_resource_state_copy_construct_current(dc, dm_state->context);
5434 /* Remove exiting planes if they are modified */
5435 ret = dm_update_planes_state(dc, state, false, &lock_and_validation_needed);
5440 /* Disable all crtcs which require disable */
5441 ret = dm_update_crtcs_state(&adev->dm, state, false, &lock_and_validation_needed);
5446 /* Enable all crtcs which require enable */
5447 ret = dm_update_crtcs_state(&adev->dm, state, true, &lock_and_validation_needed);
5452 /* Add new/modified planes */
5453 ret = dm_update_planes_state(dc, state, true, &lock_and_validation_needed);
5458 /* Run this here since we want to validate the streams we created */
5459 ret = drm_atomic_helper_check_planes(dev, state);
5463 /* Check scaling and underscan changes*/
5464 /* TODO Removed scaling changes validation due to inability to commit
5465 * new stream into context w\o causing full reset. Need to
5466 * decide how to handle.
5468 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
5469 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
5470 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
5471 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
5473 /* Skip any modesets/resets */
5474 if (!acrtc || drm_atomic_crtc_needs_modeset(
5475 drm_atomic_get_new_crtc_state(state, &acrtc->base)))
5478 /* Skip any thing not scale or underscan changes */
5479 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state))
5482 overall_update_type = UPDATE_TYPE_FULL;
5483 lock_and_validation_needed = true;
5487 * For full updates case when
5488 * removing/adding/updating streams on one CRTC while flipping
5490 * acquiring global lock will guarantee that any such full
5492 * will wait for completion of any outstanding flip using DRMs
5493 * synchronization events.
5495 update_type = dm_determine_update_type_for_commit(dc, state);
5497 if (overall_update_type < update_type)
5498 overall_update_type = update_type;
5501 * lock_and_validation_needed was an old way to determine if we need to set
5502 * the global lock. Leaving it in to check if we broke any corner cases
5503 * lock_and_validation_needed true = UPDATE_TYPE_FULL or UPDATE_TYPE_MED
5504 * lock_and_validation_needed false = UPDATE_TYPE_FAST
5506 if (lock_and_validation_needed && overall_update_type <= UPDATE_TYPE_FAST)
5507 WARN(1, "Global lock should be Set, overall_update_type should be UPDATE_TYPE_MED or UPDATE_TYPE_FULL");
5508 else if (!lock_and_validation_needed && overall_update_type > UPDATE_TYPE_FAST)
5509 WARN(1, "Global lock should NOT be set, overall_update_type should be UPDATE_TYPE_FAST");
5512 if (overall_update_type > UPDATE_TYPE_FAST) {
5514 ret = do_aquire_global_lock(dev, state);
5518 if (dc_validate_global_state(dc, dm_state->context) != DC_OK) {
5524 /* Must be success */
5529 if (ret == -EDEADLK)
5530 DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n");
5531 else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS)
5532 DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n");
5534 DRM_DEBUG_DRIVER("Atomic check failed with err: %d \n", ret);
5539 static bool is_dp_capable_without_timing_msa(struct dc *dc,
5540 struct amdgpu_dm_connector *amdgpu_dm_connector)
5543 bool capable = false;
5545 if (amdgpu_dm_connector->dc_link &&
5546 dm_helpers_dp_read_dpcd(
5548 amdgpu_dm_connector->dc_link,
5549 DP_DOWN_STREAM_PORT_COUNT,
5551 sizeof(dpcd_data))) {
5552 capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false;
5557 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
5561 bool edid_check_required;
5562 struct detailed_timing *timing;
5563 struct detailed_non_pixel *data;
5564 struct detailed_data_monitor_range *range;
5565 struct amdgpu_dm_connector *amdgpu_dm_connector =
5566 to_amdgpu_dm_connector(connector);
5567 struct dm_connector_state *dm_con_state;
5569 struct drm_device *dev = connector->dev;
5570 struct amdgpu_device *adev = dev->dev_private;
5572 if (!connector->state) {
5573 DRM_ERROR("%s - Connector has no state", __func__);
5578 dm_con_state = to_dm_connector_state(connector->state);
5580 amdgpu_dm_connector->min_vfreq = 0;
5581 amdgpu_dm_connector->max_vfreq = 0;
5582 amdgpu_dm_connector->pixel_clock_mhz = 0;
5584 dm_con_state->freesync_capable = false;
5585 dm_con_state->freesync_enable = false;
5589 dm_con_state = to_dm_connector_state(connector->state);
5591 edid_check_required = false;
5592 if (!amdgpu_dm_connector->dc_sink) {
5593 DRM_ERROR("dc_sink NULL, could not add free_sync module.\n");
5596 if (!adev->dm.freesync_module)
5599 * if edid non zero restrict freesync only for dp and edp
5602 if (amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT
5603 || amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_EDP) {
5604 edid_check_required = is_dp_capable_without_timing_msa(
5606 amdgpu_dm_connector);
5609 dm_con_state->freesync_capable = false;
5610 if (edid_check_required == true && (edid->version > 1 ||
5611 (edid->version == 1 && edid->revision > 1))) {
5612 for (i = 0; i < 4; i++) {
5614 timing = &edid->detailed_timings[i];
5615 data = &timing->data.other_data;
5616 range = &data->data.range;
5618 * Check if monitor has continuous frequency mode
5620 if (data->type != EDID_DETAIL_MONITOR_RANGE)
5623 * Check for flag range limits only. If flag == 1 then
5624 * no additional timing information provided.
5625 * Default GTF, GTF Secondary curve and CVT are not
5628 if (range->flags != 1)
5631 amdgpu_dm_connector->min_vfreq = range->min_vfreq;
5632 amdgpu_dm_connector->max_vfreq = range->max_vfreq;
5633 amdgpu_dm_connector->pixel_clock_mhz =
5634 range->pixel_clock_mhz * 10;
5638 if (amdgpu_dm_connector->max_vfreq -
5639 amdgpu_dm_connector->min_vfreq > 10) {
5641 dm_con_state->freesync_capable = true;