2 * Copyright 2009 Red Hat 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 <drm/drm_crtc_helper.h>
28 #include "nouveau_drv.h"
29 #include "nouveau_reg.h"
31 #include "nouveau_encoder.h"
32 #include "nouveau_connector.h"
33 #include "nouveau_bo.h"
35 #include <nvif/if0004.h>
38 nv04_display_fini(struct drm_device *dev, bool suspend)
40 struct nv04_display *disp = nv04_display(dev);
41 struct drm_crtc *crtc;
43 /* Disable flip completion events. */
44 nvif_notify_put(&disp->flip);
46 /* Disable vblank interrupts. */
47 NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
48 if (nv_two_heads(dev))
49 NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
54 /* Un-pin FB and cursors so they'll be evicted to system memory. */
55 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
56 struct nouveau_framebuffer *nouveau_fb;
58 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
59 if (!nouveau_fb || !nouveau_fb->nvbo)
62 nouveau_bo_unpin(nouveau_fb->nvbo);
65 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
66 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
67 if (nv_crtc->cursor.nvbo) {
68 if (nv_crtc->cursor.set_offset)
69 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
70 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
76 nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
78 struct nv04_display *disp = nv04_display(dev);
79 struct nouveau_drm *drm = nouveau_drm(dev);
80 struct nouveau_encoder *encoder;
81 struct drm_crtc *crtc;
84 /* meh.. modeset apparently doesn't setup all the regs and depends
85 * on pre-existing state, for now load the state of the card *before*
86 * nouveau was loaded, and then do a modeset.
88 * best thing to do probably is to make save/restore routines not
89 * save/restore "pre-load" state, but more general so we can save
92 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
93 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
94 nv_crtc->save(&nv_crtc->base);
97 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
98 encoder->enc_save(&encoder->base.base);
100 /* Enable flip completion events. */
101 nvif_notify_get(&disp->flip);
106 /* Re-pin FB/cursors. */
107 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
108 struct nouveau_framebuffer *nouveau_fb;
110 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
111 if (!nouveau_fb || !nouveau_fb->nvbo)
114 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
116 NV_ERROR(drm, "Could not pin framebuffer\n");
119 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
120 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
121 if (!nv_crtc->cursor.nvbo)
124 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
125 if (!ret && nv_crtc->cursor.set_offset)
126 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
128 NV_ERROR(drm, "Could not pin/map cursor.\n");
131 /* Force CLUT to get re-loaded during modeset. */
132 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
133 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
135 nv_crtc->lut.depth = 0;
138 /* This should ensure we don't hit a locking problem when someone
139 * wakes us up via a connector. We should never go into suspend
140 * while the display is on anyways.
146 drm_helper_resume_force_mode(dev);
148 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
149 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
151 if (!nv_crtc->cursor.nvbo)
154 if (nv_crtc->cursor.set_offset)
155 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
156 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
157 nv_crtc->cursor_saved_y);
164 nv04_display_destroy(struct drm_device *dev)
166 struct nv04_display *disp = nv04_display(dev);
167 struct nouveau_drm *drm = nouveau_drm(dev);
168 struct nouveau_encoder *encoder;
169 struct nouveau_crtc *nv_crtc;
172 list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
173 encoder->enc_restore(&encoder->base.base);
175 list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
176 nv_crtc->restore(&nv_crtc->base);
178 nouveau_hw_save_vga_fonts(dev, 0);
180 nvif_notify_fini(&disp->flip);
182 nouveau_display(dev)->priv = NULL;
185 nvif_object_unmap(&drm->client.device.object);
189 nv04_display_create(struct drm_device *dev)
191 struct nouveau_drm *drm = nouveau_drm(dev);
192 struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
193 struct dcb_table *dcb = &drm->vbios.dcb;
194 struct drm_connector *connector, *ct;
195 struct drm_encoder *encoder;
196 struct nouveau_encoder *nv_encoder;
197 struct nouveau_crtc *crtc;
198 struct nv04_display *disp;
201 disp = kzalloc(sizeof(*disp), GFP_KERNEL);
205 nvif_object_map(&drm->client.device.object, NULL, 0);
207 nouveau_display(dev)->priv = disp;
208 nouveau_display(dev)->dtor = nv04_display_destroy;
209 nouveau_display(dev)->init = nv04_display_init;
210 nouveau_display(dev)->fini = nv04_display_fini;
212 /* Pre-nv50 doesn't support atomic, so don't expose the ioctls */
213 dev->driver->driver_features &= ~DRIVER_ATOMIC;
215 /* Request page flip completion event. */
216 if (drm->nvsw.client) {
217 nvif_notify_init(&drm->nvsw, nv04_flip_complete,
218 false, NV04_NVSW_NTFY_UEVENT,
219 NULL, 0, 0, &disp->flip);
222 nouveau_hw_save_vga_fonts(dev, 1);
224 nv04_crtc_create(dev, 0);
225 if (nv_two_heads(dev))
226 nv04_crtc_create(dev, 1);
228 for (i = 0; i < dcb->entries; i++) {
229 struct dcb_output *dcbent = &dcb->entry[i];
231 connector = nouveau_connector_create(dev, dcbent);
232 if (IS_ERR(connector))
235 switch (dcbent->type) {
236 case DCB_OUTPUT_ANALOG:
237 ret = nv04_dac_create(connector, dcbent);
239 case DCB_OUTPUT_LVDS:
240 case DCB_OUTPUT_TMDS:
241 ret = nv04_dfp_create(connector, dcbent);
244 if (dcbent->location == DCB_LOC_ON_CHIP)
245 ret = nv17_tv_create(connector, dcbent);
247 ret = nv04_tv_create(connector, dcbent);
250 NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
258 list_for_each_entry_safe(connector, ct,
259 &dev->mode_config.connector_list, head) {
260 if (!connector->encoder_ids[0]) {
261 NV_WARN(drm, "%s has no encoders, removing\n",
263 connector->funcs->destroy(connector);
267 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
268 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
269 struct nvkm_i2c_bus *bus =
270 nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
271 nv_encoder->i2c = bus ? &bus->i2c : NULL;
274 /* Save previous state */
275 list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
276 crtc->save(&crtc->base);
278 list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
279 nv_encoder->enc_save(&nv_encoder->base.base);
281 nouveau_overlay_init(dev);