#include "i915_trace.h"
#include <drm/drm_dp_helper.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_rect.h>
#include <linux/dma_remapping.h>
+/* Primary plane formats supported by all gen */
+#define COMMON_PRIMARY_FORMATS \
+ DRM_FORMAT_C8, \
+ DRM_FORMAT_RGB565, \
+ DRM_FORMAT_XRGB8888, \
+ DRM_FORMAT_ARGB8888
+
+/* Primary plane formats for gen <= 3 */
+static const uint32_t intel_primary_formats_gen2[] = {
+ COMMON_PRIMARY_FORMATS,
+ DRM_FORMAT_XRGB1555,
+ DRM_FORMAT_ARGB1555,
+};
+
+/* Primary plane formats for gen >= 4 */
+static const uint32_t intel_primary_formats_gen4[] = {
+ COMMON_PRIMARY_FORMATS, \
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ABGR8888,
+ DRM_FORMAT_XRGB2101010,
+ DRM_FORMAT_ARGB2101010,
+ DRM_FORMAT_XBGR2101010,
+ DRM_FORMAT_ABGR2101010,
+};
+
+/* Cursor formats */
+static const uint32_t intel_cursor_formats[] = {
+ DRM_FORMAT_ARGB8888,
+};
+
#define DIV_ROUND_CLOSEST_ULL(ll, d) \
- ({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
+({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
-static void intel_increase_pllclock(struct drm_crtc *crtc);
+static void intel_increase_pllclock(struct drm_device *dev,
+ enum pipe pipe);
static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on);
static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
val &= ~DPIO_DCLKP_EN;
vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val);
+ /* disable left/right clock distribution */
+ if (pipe != PIPE_B) {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
+ val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
+ } else {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
+ val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
+ }
+
mutex_unlock(&dev_priv->dpio_lock);
}
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc);
+ if (WARN_ON(pll == NULL))
+ return;
+
WARN_ON(!pll->refcount);
if (pll->active == 0) {
DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
goto out_unref_obj;
}
+ obj->frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(crtc->pipe);
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG_KMS("plane fb obj %p\n", obj);
if (i915_gem_obj_ggtt_offset(fb->obj) == plane_config->base) {
drm_framebuffer_reference(c->primary->fb);
intel_crtc->base.primary->fb = c->primary->fb;
+ fb->obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
break;
}
}
if (dev_priv->display.disable_fbc)
dev_priv->display.disable_fbc(dev);
- intel_increase_pllclock(crtc);
+ intel_increase_pllclock(dev, to_intel_crtc(crtc)->pipe);
dev_priv->display.update_primary_plane(crtc, fb, x, y);
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ enum pipe pipe = intel_crtc->pipe;
struct drm_framebuffer *old_fb;
+ struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj;
+ struct drm_i915_gem_object *old_obj;
int ret;
if (intel_crtc_has_pending_flip(crtc)) {
return -EINVAL;
}
+ old_fb = crtc->primary->fb;
+ old_obj = old_fb ? to_intel_framebuffer(old_fb)->obj : NULL;
+
mutex_lock(&dev->struct_mutex);
- ret = intel_pin_and_fence_fb_obj(dev,
- to_intel_framebuffer(fb)->obj,
- NULL);
+ ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
+ if (ret == 0)
+ i915_gem_track_fb(old_obj, obj,
+ INTEL_FRONTBUFFER_PRIMARY(pipe));
mutex_unlock(&dev->struct_mutex);
if (ret != 0) {
DRM_ERROR("pin & fence failed\n");
dev_priv->display.update_primary_plane(crtc, fb, x, y);
- old_fb = crtc->primary->fb;
+ if (intel_crtc->active)
+ intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
+
crtc->primary->fb = fb;
crtc->x = x;
crtc->y = y;
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
- intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
return 0;
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
+ drm_vblank_on(dev, pipe);
+
intel_enable_primary_hw_plane(dev_priv, plane, pipe);
intel_enable_planes(crtc);
/* The fixup needs to happen before cursor is enabled */
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
- intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
+
+ /*
+ * FIXME: Once we grow proper nuclear flip support out of this we need
+ * to compute the mask of flip planes precisely. For the time being
+ * consider this a flip from a NULL plane.
+ */
+ intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe));
}
static void intel_crtc_disable_planes(struct drm_crtc *crtc)
int plane = intel_crtc->plane;
intel_crtc_wait_for_pending_flips(crtc);
- drm_crtc_vblank_off(crtc);
if (dev_priv->fbc.plane == plane)
intel_disable_fbc(dev);
intel_crtc_update_cursor(crtc, false);
intel_disable_planes(crtc);
intel_disable_primary_hw_plane(dev_priv, plane, pipe);
+
+ /*
+ * FIXME: Once we grow proper nuclear flip support out of this we need
+ * to compute the mask of flip planes precisely. For the time being
+ * consider this a flip to a NULL plane.
+ */
+ intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe));
+
+ drm_vblank_off(dev, pipe);
}
static void ironlake_crtc_enable(struct drm_crtc *crtc)
cpt_verify_modeset(dev, intel_crtc->pipe);
intel_crtc_enable_planes(crtc);
-
- drm_crtc_vblank_on(crtc);
}
/* IPS only exists on ULT machines and is tied to pipe A. */
* to change the workaround. */
haswell_mode_set_planes_workaround(intel_crtc);
intel_crtc_enable_planes(crtc);
-
- drm_crtc_vblank_on(crtc);
}
static void ironlake_pfit_disable(struct intel_crtc *crtc)
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
- intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
}
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
- intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
}
intel_crtc_enable_planes(crtc);
- drm_crtc_vblank_on(crtc);
-
/* Underruns don't raise interrupts, so check manually. */
i9xx_check_fifo_underruns(dev);
}
if (IS_GEN2(dev))
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
- drm_crtc_vblank_on(crtc);
-
/* Underruns don't raise interrupts, so check manually. */
i9xx_check_fifo_underruns(dev);
}
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
- intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
}
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *intel_encoder;
+ enum intel_display_power_domain domain;
+ unsigned long domains;
bool enable = false;
for_each_encoder_on_crtc(dev, crtc, intel_encoder)
enable |= intel_encoder->connectors_active;
- if (enable)
- dev_priv->display.crtc_enable(crtc);
- else
- dev_priv->display.crtc_disable(crtc);
+ if (enable) {
+ if (!intel_crtc->active) {
+ /*
+ * FIXME: DDI plls and relevant code isn't converted
+ * yet, so do runtime PM for DPMS only for all other
+ * platforms for now.
+ */
+ if (!HAS_DDI(dev)) {
+ domains = get_crtc_power_domains(crtc);
+ for_each_power_domain(domain, domains)
+ intel_display_power_get(dev_priv, domain);
+ intel_crtc->enabled_power_domains = domains;
+ }
+
+ dev_priv->display.crtc_enable(crtc);
+ }
+ } else {
+ if (intel_crtc->active) {
+ dev_priv->display.crtc_disable(crtc);
+
+ if (!HAS_DDI(dev)) {
+ domains = intel_crtc->enabled_power_domains;
+ for_each_power_domain(domain, domains)
+ intel_display_power_put(dev_priv, domain);
+ intel_crtc->enabled_power_domains = 0;
+ }
+ }
+ }
intel_crtc_update_sarea(crtc, enable);
}
struct drm_device *dev = crtc->dev;
struct drm_connector *connector;
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *old_obj;
+ enum pipe pipe = to_intel_crtc(crtc)->pipe;
/* crtc should still be enabled when we disable it. */
WARN_ON(!crtc->enabled);
dev_priv->display.off(crtc);
assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane);
- assert_cursor_disabled(dev_priv, to_intel_crtc(crtc)->pipe);
- assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe);
+ assert_cursor_disabled(dev_priv, pipe);
+ assert_pipe_disabled(dev->dev_private, pipe);
if (crtc->primary->fb) {
+ old_obj = to_intel_framebuffer(crtc->primary->fb)->obj;
mutex_lock(&dev->struct_mutex);
- intel_unpin_fb_obj(to_intel_framebuffer(crtc->primary->fb)->obj);
+ intel_unpin_fb_obj(old_obj);
+ i915_gem_track_fb(old_obj, NULL,
+ INTEL_FRONTBUFFER_PRIMARY(pipe));
mutex_unlock(&dev->struct_mutex);
crtc->primary->fb = NULL;
}
aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
plane_config->tiled);
- plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] *
- aligned_height, PAGE_SIZE);
+ plane_config->size = PAGE_ALIGN(crtc->base.primary->fb->pitches[0] *
+ aligned_height);
DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
pipe, plane, crtc->base.primary->fb->width,
aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
plane_config->tiled);
- plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] *
- aligned_height, PAGE_SIZE);
+ plane_config->size = PAGE_ALIGN(crtc->base.primary->fb->pitches[0] *
+ aligned_height);
DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
pipe, plane, crtc->base.primary->fb->width,
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- int x = intel_crtc->cursor_x;
- int y = intel_crtc->cursor_y;
+ int x = crtc->cursor_x;
+ int y = crtc->cursor_y;
u32 base = 0, pos = 0;
if (on)
intel_crtc->cursor_base = base;
}
-static int intel_crtc_cursor_set(struct drm_crtc *crtc,
- struct drm_file *file,
- uint32_t handle,
- uint32_t width, uint32_t height)
+/*
+ * intel_crtc_cursor_set_obj - Set cursor to specified GEM object
+ *
+ * Note that the object's reference will be consumed if the update fails. If
+ * the update succeeds, the reference of the old object (if any) will be
+ * consumed.
+ */
+static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
+ struct drm_i915_gem_object *obj,
+ uint32_t width, uint32_t height)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct drm_i915_gem_object *obj;
+ enum pipe pipe = intel_crtc->pipe;
unsigned old_width;
uint32_t addr;
int ret;
/* if we want to turn off the cursor ignore width and height */
- if (!handle) {
+ if (!obj) {
DRM_DEBUG_KMS("cursor off\n");
addr = 0;
obj = NULL;
return -EINVAL;
}
- obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle));
- if (&obj->base == NULL)
- return -ENOENT;
-
if (obj->base.size < width * height * 4) {
- DRM_DEBUG_KMS("buffer is to small\n");
+ DRM_DEBUG_KMS("buffer is too small\n");
ret = -ENOMEM;
goto fail;
}
if (intel_crtc->cursor_bo) {
if (!INTEL_INFO(dev)->cursor_needs_physical)
i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo);
- drm_gem_object_unreference(&intel_crtc->cursor_bo->base);
}
+ i915_gem_track_fb(intel_crtc->cursor_bo, obj,
+ INTEL_FRONTBUFFER_CURSOR(pipe));
mutex_unlock(&dev->struct_mutex);
old_width = intel_crtc->cursor_width;
intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
}
+ intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_CURSOR(pipe));
+
return 0;
fail_unpin:
i915_gem_object_unpin_from_display_plane(obj);
return ret;
}
-static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
- intel_crtc->cursor_x = clamp_t(int, x, SHRT_MIN, SHRT_MAX);
- intel_crtc->cursor_y = clamp_t(int, y, SHRT_MIN, SHRT_MAX);
-
- if (intel_crtc->active)
- intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
-
- return 0;
-}
-
static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t start, uint32_t size)
{
intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp)
{
u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp);
- return ALIGN(pitch * mode->vdisplay, PAGE_SIZE);
+ return PAGE_ALIGN(pitch * mode->vdisplay);
}
static struct drm_framebuffer *
return mode;
}
-static void intel_increase_pllclock(struct drm_crtc *crtc)
+static void intel_increase_pllclock(struct drm_device *dev,
+ enum pipe pipe)
{
- struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
int dpll_reg = DPLL(pipe);
int dpll;
intel_runtime_pm_put(dev_priv);
}
-void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
- struct intel_engine_cs *ring)
+
+/**
+ * intel_mark_fb_busy - mark given planes as busy
+ * @dev: DRM device
+ * @frontbuffer_bits: bits for the affected planes
+ * @ring: optional ring for asynchronous commands
+ *
+ * This function gets called every time the screen contents change. It can be
+ * used to keep e.g. the update rate at the nominal refresh rate with DRRS.
+ */
+static void intel_mark_fb_busy(struct drm_device *dev,
+ unsigned frontbuffer_bits,
+ struct intel_engine_cs *ring)
{
- struct drm_device *dev = obj->base.dev;
- struct drm_crtc *crtc;
+ enum pipe pipe;
if (!i915.powersave)
return;
- for_each_crtc(dev, crtc) {
- if (!crtc->primary->fb)
- continue;
-
- if (to_intel_framebuffer(crtc->primary->fb)->obj != obj)
+ for_each_pipe(pipe) {
+ if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe)))
continue;
- intel_increase_pllclock(crtc);
+ intel_increase_pllclock(dev, pipe);
if (ring && intel_fbc_enabled(dev))
ring->fbc_dirty = true;
}
}
+/**
+ * intel_fb_obj_invalidate - invalidate frontbuffer object
+ * @obj: GEM object to invalidate
+ * @ring: set for asynchronous rendering
+ *
+ * This function gets called every time rendering on the given object starts and
+ * frontbuffer caching (fbc, low refresh rate for DRRS, panel self refresh) must
+ * be invalidated. If @ring is non-NULL any subsequent invalidation will be delayed
+ * until the rendering completes or a flip on this frontbuffer plane is
+ * scheduled.
+ */
+void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
+ struct intel_engine_cs *ring)
+{
+ struct drm_device *dev = obj->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+
+ if (!obj->frontbuffer_bits)
+ return;
+
+ if (ring) {
+ mutex_lock(&dev_priv->fb_tracking.lock);
+ dev_priv->fb_tracking.busy_bits
+ |= obj->frontbuffer_bits;
+ dev_priv->fb_tracking.flip_bits
+ &= ~obj->frontbuffer_bits;
+ mutex_unlock(&dev_priv->fb_tracking.lock);
+ }
+
+ intel_mark_fb_busy(dev, obj->frontbuffer_bits, ring);
+
+ intel_edp_psr_exit(dev);
+}
+
+/**
+ * intel_frontbuffer_flush - flush frontbuffer
+ * @dev: DRM device
+ * @frontbuffer_bits: frontbuffer plane tracking bits
+ *
+ * This function gets called every time rendering on the given planes has
+ * completed and frontbuffer caching can be started again. Flushes will get
+ * delayed if they're blocked by some oustanding asynchronous rendering.
+ *
+ * Can be called without any locks held.
+ */
+void intel_frontbuffer_flush(struct drm_device *dev,
+ unsigned frontbuffer_bits)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* Delay flushing when rings are still busy.*/
+ mutex_lock(&dev_priv->fb_tracking.lock);
+ frontbuffer_bits &= ~dev_priv->fb_tracking.busy_bits;
+ mutex_unlock(&dev_priv->fb_tracking.lock);
+
+ intel_mark_fb_busy(dev, frontbuffer_bits, NULL);
+
+ intel_edp_psr_exit(dev);
+}
+
+/**
+ * intel_fb_obj_flush - flush frontbuffer object
+ * @obj: GEM object to flush
+ * @retire: set when retiring asynchronous rendering
+ *
+ * This function gets called every time rendering on the given object has
+ * completed and frontbuffer caching can be started again. If @retire is true
+ * then any delayed flushes will be unblocked.
+ */
+void intel_fb_obj_flush(struct drm_i915_gem_object *obj,
+ bool retire)
+{
+ struct drm_device *dev = obj->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned frontbuffer_bits;
+
+ WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+
+ if (!obj->frontbuffer_bits)
+ return;
+
+ frontbuffer_bits = obj->frontbuffer_bits;
+
+ if (retire) {
+ mutex_lock(&dev_priv->fb_tracking.lock);
+ /* Filter out new bits since rendering started. */
+ frontbuffer_bits &= dev_priv->fb_tracking.busy_bits;
+
+ dev_priv->fb_tracking.busy_bits &= ~frontbuffer_bits;
+ mutex_unlock(&dev_priv->fb_tracking.lock);
+ }
+
+ intel_frontbuffer_flush(dev, frontbuffer_bits);
+}
+
+/**
+ * intel_frontbuffer_flip_prepare - prepare asnychronous frontbuffer flip
+ * @dev: DRM device
+ * @frontbuffer_bits: frontbuffer plane tracking bits
+ *
+ * This function gets called after scheduling a flip on @obj. The actual
+ * frontbuffer flushing will be delayed until completion is signalled with
+ * intel_frontbuffer_flip_complete. If an invalidate happens in between this
+ * flush will be cancelled.
+ *
+ * Can be called without any locks held.
+ */
+void intel_frontbuffer_flip_prepare(struct drm_device *dev,
+ unsigned frontbuffer_bits)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ mutex_lock(&dev_priv->fb_tracking.lock);
+ dev_priv->fb_tracking.flip_bits
+ |= frontbuffer_bits;
+ mutex_unlock(&dev_priv->fb_tracking.lock);
+}
+
+/**
+ * intel_frontbuffer_flip_complete - complete asynchronous frontbuffer flush
+ * @dev: DRM device
+ * @frontbuffer_bits: frontbuffer plane tracking bits
+ *
+ * This function gets called after the flip has been latched and will complete
+ * on the next vblank. It will execute the fush if it hasn't been cancalled yet.
+ *
+ * Can be called without any locks held.
+ */
+void intel_frontbuffer_flip_complete(struct drm_device *dev,
+ unsigned frontbuffer_bits)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ mutex_lock(&dev_priv->fb_tracking.lock);
+ /* Mask any cancelled flips. */
+ frontbuffer_bits &= dev_priv->fb_tracking.flip_bits;
+ dev_priv->fb_tracking.flip_bits &= ~frontbuffer_bits;
+ mutex_unlock(&dev_priv->fb_tracking.lock);
+
+ intel_frontbuffer_flush(dev, frontbuffer_bits);
+}
+
static void intel_crtc_destroy(struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
kfree(work);
}
- intel_crtc_cursor_set(crtc, NULL, 0, 0, 0);
-
drm_crtc_cleanup(crtc);
kfree(intel_crtc);
struct intel_unpin_work *work =
container_of(__work, struct intel_unpin_work, work);
struct drm_device *dev = work->crtc->dev;
+ enum pipe pipe = to_intel_crtc(work->crtc)->pipe;
mutex_lock(&dev->struct_mutex);
intel_unpin_fb_obj(work->old_fb_obj);
intel_update_fbc(dev);
mutex_unlock(&dev->struct_mutex);
+ intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
+
BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0);
atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count);
return 0;
}
+static bool use_mmio_flip(struct intel_engine_cs *ring,
+ struct drm_i915_gem_object *obj)
+{
+ /*
+ * This is not being used for older platforms, because
+ * non-availability of flip done interrupt forces us to use
+ * CS flips. Older platforms derive flip done using some clever
+ * tricks involving the flip_pending status bits and vblank irqs.
+ * So using MMIO flips there would disrupt this mechanism.
+ */
+
+ if (INTEL_INFO(ring->dev)->gen < 5)
+ return false;
+
+ if (i915.use_mmio_flip < 0)
+ return false;
+ else if (i915.use_mmio_flip > 0)
+ return true;
+ else
+ return ring != obj->ring;
+}
+
+static void intel_do_mmio_flip(struct intel_crtc *intel_crtc)
+{
+ struct drm_device *dev = intel_crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_framebuffer *intel_fb =
+ to_intel_framebuffer(intel_crtc->base.primary->fb);
+ struct drm_i915_gem_object *obj = intel_fb->obj;
+ u32 dspcntr;
+ u32 reg;
+
+ intel_mark_page_flip_active(intel_crtc);
+
+ reg = DSPCNTR(intel_crtc->plane);
+ dspcntr = I915_READ(reg);
+
+ if (INTEL_INFO(dev)->gen >= 4) {
+ if (obj->tiling_mode != I915_TILING_NONE)
+ dspcntr |= DISPPLANE_TILED;
+ else
+ dspcntr &= ~DISPPLANE_TILED;
+ }
+ I915_WRITE(reg, dspcntr);
+
+ I915_WRITE(DSPSURF(intel_crtc->plane),
+ intel_crtc->unpin_work->gtt_offset);
+ POSTING_READ(DSPSURF(intel_crtc->plane));
+}
+
+static int intel_postpone_flip(struct drm_i915_gem_object *obj)
+{
+ struct intel_engine_cs *ring;
+ int ret;
+
+ lockdep_assert_held(&obj->base.dev->struct_mutex);
+
+ if (!obj->last_write_seqno)
+ return 0;
+
+ ring = obj->ring;
+
+ if (i915_seqno_passed(ring->get_seqno(ring, true),
+ obj->last_write_seqno))
+ return 0;
+
+ ret = i915_gem_check_olr(ring, obj->last_write_seqno);
+ if (ret)
+ return ret;
+
+ if (WARN_ON(!ring->irq_get(ring)))
+ return 0;
+
+ return 1;
+}
+
+void intel_notify_mmio_flip(struct intel_engine_cs *ring)
+{
+ struct drm_i915_private *dev_priv = to_i915(ring->dev);
+ struct intel_crtc *intel_crtc;
+ unsigned long irq_flags;
+ u32 seqno;
+
+ seqno = ring->get_seqno(ring, false);
+
+ spin_lock_irqsave(&dev_priv->mmio_flip_lock, irq_flags);
+ for_each_intel_crtc(ring->dev, intel_crtc) {
+ struct intel_mmio_flip *mmio_flip;
+
+ mmio_flip = &intel_crtc->mmio_flip;
+ if (mmio_flip->seqno == 0)
+ continue;
+
+ if (ring->id != mmio_flip->ring_id)
+ continue;
+
+ if (i915_seqno_passed(seqno, mmio_flip->seqno)) {
+ intel_do_mmio_flip(intel_crtc);
+ mmio_flip->seqno = 0;
+ ring->irq_put(ring);
+ }
+ }
+ spin_unlock_irqrestore(&dev_priv->mmio_flip_lock, irq_flags);
+}
+
+static int intel_queue_mmio_flip(struct drm_device *dev,
+ struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_i915_gem_object *obj,
+ struct intel_engine_cs *ring,
+ uint32_t flags)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ unsigned long irq_flags;
+ int ret;
+
+ if (WARN_ON(intel_crtc->mmio_flip.seqno))
+ return -EBUSY;
+
+ ret = intel_postpone_flip(obj);
+ if (ret < 0)
+ return ret;
+ if (ret == 0) {
+ intel_do_mmio_flip(intel_crtc);
+ return 0;
+ }
+
+ spin_lock_irqsave(&dev_priv->mmio_flip_lock, irq_flags);
+ intel_crtc->mmio_flip.seqno = obj->last_write_seqno;
+ intel_crtc->mmio_flip.ring_id = obj->ring->id;
+ spin_unlock_irqrestore(&dev_priv->mmio_flip_lock, irq_flags);
+
+ /*
+ * Double check to catch cases where irq fired before
+ * mmio flip data was ready
+ */
+ intel_notify_mmio_flip(obj->ring);
+ return 0;
+}
+
static int intel_default_queue_flip(struct drm_device *dev,
struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_framebuffer *old_fb = crtc->primary->fb;
struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ enum pipe pipe = intel_crtc->pipe;
struct intel_unpin_work *work;
struct intel_engine_cs *ring;
unsigned long flags;
intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter);
if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
- work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(intel_crtc->pipe)) + 1;
+ work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1;
if (IS_VALLEYVIEW(dev)) {
ring = &dev_priv->ring[BCS];
work->gtt_offset =
i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset;
- ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring, page_flip_flags);
+ if (use_mmio_flip(ring, obj))
+ ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring,
+ page_flip_flags);
+ else
+ ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring,
+ page_flip_flags);
if (ret)
goto cleanup_unpin;
+ i915_gem_track_fb(work->old_fb_obj, obj,
+ INTEL_FRONTBUFFER_PRIMARY(pipe));
+
intel_disable_fbc(dev);
- intel_mark_fb_busy(obj, NULL);
+ intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
mutex_unlock(&dev->struct_mutex);
trace_i915_flip_request(intel_crtc->plane, obj);
intel_crtc_wait_for_pending_flips(crtc);
ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb);
if (ret == 0 && event)
- drm_send_vblank_event(dev, intel_crtc->pipe, event);
+ drm_send_vblank_event(dev, pipe, event);
}
return ret;
}
*/
for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) {
struct drm_framebuffer *old_fb;
+ struct drm_i915_gem_object *old_obj = NULL;
+ struct drm_i915_gem_object *obj =
+ to_intel_framebuffer(fb)->obj;
mutex_lock(&dev->struct_mutex);
ret = intel_pin_and_fence_fb_obj(dev,
- to_intel_framebuffer(fb)->obj,
+ obj,
NULL);
if (ret != 0) {
DRM_ERROR("pin & fence failed\n");
goto done;
}
old_fb = crtc->primary->fb;
- if (old_fb)
- intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj);
+ if (old_fb) {
+ old_obj = to_intel_framebuffer(old_fb)->obj;
+ intel_unpin_fb_obj(old_obj);
+ }
+ i915_gem_track_fb(old_obj, obj,
+ INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
mutex_unlock(&dev->struct_mutex);
crtc->primary->fb = fb;
if (is_crtc_connector_off(set)) {
config->mode_changed = true;
} else if (set->crtc->primary->fb != set->fb) {
- /* If we have no fb then treat it as a full mode set */
+ /*
+ * If we have no fb, we can only flip as long as the crtc is
+ * active, otherwise we need a full mode set. The crtc may
+ * be active if we've only disabled the primary plane, or
+ * in fastboot situations.
+ */
if (set->crtc->primary->fb == NULL) {
struct intel_crtc *intel_crtc =
to_intel_crtc(set->crtc);
- if (intel_crtc->active && i915.fastboot) {
+ if (intel_crtc->active) {
DRM_DEBUG_KMS("crtc has no fb, will flip\n");
config->fb_changed = true;
} else {
ret = intel_set_mode(set->crtc, set->mode,
set->x, set->y, set->fb);
} else if (config->fb_changed) {
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc);
+
intel_crtc_wait_for_pending_flips(set->crtc);
ret = intel_pipe_set_base(set->crtc,
set->x, set->y, set->fb);
+
+ /*
+ * We need to make sure the primary plane is re-enabled if it
+ * has previously been turned off.
+ */
+ if (!intel_crtc->primary_enabled && ret == 0) {
+ WARN_ON(!intel_crtc->active);
+ intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane,
+ intel_crtc->pipe);
+ }
+
/*
* In the fastboot case this may be our only check of the
* state after boot. It would be better to only do it on
}
static const struct drm_crtc_funcs intel_crtc_funcs = {
- .cursor_set = intel_crtc_cursor_set,
- .cursor_move = intel_crtc_cursor_move,
.gamma_set = intel_crtc_gamma_set,
.set_config = intel_crtc_set_config,
.destroy = intel_crtc_destroy,
BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
}
+static int
+intel_primary_plane_disable(struct drm_plane *plane)
+{
+ struct drm_device *dev = plane->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct intel_crtc *intel_crtc;
+
+ if (!plane->fb)
+ return 0;
+
+ BUG_ON(!plane->crtc);
+
+ intel_crtc = to_intel_crtc(plane->crtc);
+
+ /*
+ * Even though we checked plane->fb above, it's still possible that
+ * the primary plane has been implicitly disabled because the crtc
+ * coordinates given weren't visible, or because we detected
+ * that it was 100% covered by a sprite plane. Or, the CRTC may be
+ * off and we've set a fb, but haven't actually turned on the CRTC yet.
+ * In either case, we need to unpin the FB and let the fb pointer get
+ * updated, but otherwise we don't need to touch the hardware.
+ */
+ if (!intel_crtc->primary_enabled)
+ goto disable_unpin;
+
+ intel_crtc_wait_for_pending_flips(plane->crtc);
+ intel_disable_primary_hw_plane(dev_priv, intel_plane->plane,
+ intel_plane->pipe);
+disable_unpin:
+ i915_gem_track_fb(to_intel_framebuffer(plane->fb)->obj, NULL,
+ INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
+ intel_unpin_fb_obj(to_intel_framebuffer(plane->fb)->obj);
+ plane->fb = NULL;
+
+ return 0;
+}
+
+static int
+intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb, int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct drm_i915_gem_object *obj, *old_obj = NULL;
+ struct drm_rect dest = {
+ /* integer pixels */
+ .x1 = crtc_x,
+ .y1 = crtc_y,
+ .x2 = crtc_x + crtc_w,
+ .y2 = crtc_y + crtc_h,
+ };
+ struct drm_rect src = {
+ /* 16.16 fixed point */
+ .x1 = src_x,
+ .y1 = src_y,
+ .x2 = src_x + src_w,
+ .y2 = src_y + src_h,
+ };
+ const struct drm_rect clip = {
+ /* integer pixels */
+ .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
+ .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
+ };
+ bool visible;
+ int ret;
+
+ ret = drm_plane_helper_check_update(plane, crtc, fb,
+ &src, &dest, &clip,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ false, true, &visible);
+
+ if (ret)
+ return ret;
+
+ if (plane->fb)
+ old_obj = to_intel_framebuffer(plane->fb)->obj;
+ obj = to_intel_framebuffer(fb)->obj;
+
+ /*
+ * If the CRTC isn't enabled, we're just pinning the framebuffer,
+ * updating the fb pointer, and returning without touching the
+ * hardware. This allows us to later do a drmModeSetCrtc with fb=-1 to
+ * turn on the display with all planes setup as desired.
+ */
+ if (!crtc->enabled) {
+ /*
+ * If we already called setplane while the crtc was disabled,
+ * we may have an fb pinned; unpin it.
+ */
+ if (plane->fb)
+ intel_unpin_fb_obj(old_obj);
+
+ i915_gem_track_fb(old_obj, obj,
+ INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
+
+ /* Pin and return without programming hardware */
+ return intel_pin_and_fence_fb_obj(dev, obj, NULL);
+ }
+
+ intel_crtc_wait_for_pending_flips(crtc);
+
+ /*
+ * If clipping results in a non-visible primary plane, we'll disable
+ * the primary plane. Note that this is a bit different than what
+ * happens if userspace explicitly disables the plane by passing fb=0
+ * because plane->fb still gets set and pinned.
+ */
+ if (!visible) {
+ /*
+ * Try to pin the new fb first so that we can bail out if we
+ * fail.
+ */
+ if (plane->fb != fb) {
+ ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
+ if (ret)
+ return ret;
+ }
+
+ i915_gem_track_fb(old_obj, obj,
+ INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
+
+ if (intel_crtc->primary_enabled)
+ intel_disable_primary_hw_plane(dev_priv,
+ intel_plane->plane,
+ intel_plane->pipe);
+
+
+ if (plane->fb != fb)
+ if (plane->fb)
+ intel_unpin_fb_obj(old_obj);
+
+ return 0;
+ }
+
+ ret = intel_pipe_set_base(crtc, src.x1, src.y1, fb);
+ if (ret)
+ return ret;
+
+ if (!intel_crtc->primary_enabled)
+ intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane,
+ intel_crtc->pipe);
+
+ return 0;
+}
+
+/* Common destruction function for both primary and cursor planes */
+static void intel_plane_destroy(struct drm_plane *plane)
+{
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ drm_plane_cleanup(plane);
+ kfree(intel_plane);
+}
+
+static const struct drm_plane_funcs intel_primary_plane_funcs = {
+ .update_plane = intel_primary_plane_setplane,
+ .disable_plane = intel_primary_plane_disable,
+ .destroy = intel_plane_destroy,
+};
+
+static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
+ int pipe)
+{
+ struct intel_plane *primary;
+ const uint32_t *intel_primary_formats;
+ int num_formats;
+
+ primary = kzalloc(sizeof(*primary), GFP_KERNEL);
+ if (primary == NULL)
+ return NULL;
+
+ primary->can_scale = false;
+ primary->max_downscale = 1;
+ primary->pipe = pipe;
+ primary->plane = pipe;
+ if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4)
+ primary->plane = !pipe;
+
+ if (INTEL_INFO(dev)->gen <= 3) {
+ intel_primary_formats = intel_primary_formats_gen2;
+ num_formats = ARRAY_SIZE(intel_primary_formats_gen2);
+ } else {
+ intel_primary_formats = intel_primary_formats_gen4;
+ num_formats = ARRAY_SIZE(intel_primary_formats_gen4);
+ }
+
+ drm_universal_plane_init(dev, &primary->base, 0,
+ &intel_primary_plane_funcs,
+ intel_primary_formats, num_formats,
+ DRM_PLANE_TYPE_PRIMARY);
+ return &primary->base;
+}
+
+static int
+intel_cursor_plane_disable(struct drm_plane *plane)
+{
+ if (!plane->fb)
+ return 0;
+
+ BUG_ON(!plane->crtc);
+
+ return intel_crtc_cursor_set_obj(plane->crtc, NULL, 0, 0);
+}
+
+static int
+intel_cursor_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb, int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+ struct drm_i915_gem_object *obj = intel_fb->obj;
+ struct drm_rect dest = {
+ /* integer pixels */
+ .x1 = crtc_x,
+ .y1 = crtc_y,
+ .x2 = crtc_x + crtc_w,
+ .y2 = crtc_y + crtc_h,
+ };
+ struct drm_rect src = {
+ /* 16.16 fixed point */
+ .x1 = src_x,
+ .y1 = src_y,
+ .x2 = src_x + src_w,
+ .y2 = src_y + src_h,
+ };
+ const struct drm_rect clip = {
+ /* integer pixels */
+ .x2 = intel_crtc->config.pipe_src_w,
+ .y2 = intel_crtc->config.pipe_src_h,
+ };
+ bool visible;
+ int ret;
+
+ ret = drm_plane_helper_check_update(plane, crtc, fb,
+ &src, &dest, &clip,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ true, true, &visible);
+ if (ret)
+ return ret;
+
+ crtc->cursor_x = crtc_x;
+ crtc->cursor_y = crtc_y;
+ if (fb != crtc->cursor->fb) {
+ return intel_crtc_cursor_set_obj(crtc, obj, crtc_w, crtc_h);
+ } else {
+ intel_crtc_update_cursor(crtc, visible);
+ return 0;
+ }
+}
+static const struct drm_plane_funcs intel_cursor_plane_funcs = {
+ .update_plane = intel_cursor_plane_update,
+ .disable_plane = intel_cursor_plane_disable,
+ .destroy = intel_plane_destroy,
+};
+
+static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
+ int pipe)
+{
+ struct intel_plane *cursor;
+
+ cursor = kzalloc(sizeof(*cursor), GFP_KERNEL);
+ if (cursor == NULL)
+ return NULL;
+
+ cursor->can_scale = false;
+ cursor->max_downscale = 1;
+ cursor->pipe = pipe;
+ cursor->plane = pipe;
+
+ drm_universal_plane_init(dev, &cursor->base, 0,
+ &intel_cursor_plane_funcs,
+ intel_cursor_formats,
+ ARRAY_SIZE(intel_cursor_formats),
+ DRM_PLANE_TYPE_CURSOR);
+ return &cursor->base;
+}
+
static void intel_crtc_init(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc;
- int i;
+ struct drm_plane *primary = NULL;
+ struct drm_plane *cursor = NULL;
+ int i, ret;
intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL);
if (intel_crtc == NULL)
return;
- drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs);
+ primary = intel_primary_plane_create(dev, pipe);
+ if (!primary)
+ goto fail;
+
+ cursor = intel_cursor_plane_create(dev, pipe);
+ if (!cursor)
+ goto fail;
+
+ ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary,
+ cursor, &intel_crtc_funcs);
+ if (ret)
+ goto fail;
drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
for (i = 0; i < 256; i++) {
/*
* On gen2/3 only plane A can do fbc, but the panel fitter and lvds port
- * is hooked to plane B. Hence we want plane A feeding pipe B.
+ * is hooked to pipe B. Hence we want plane A feeding pipe B.
*/
intel_crtc->pipe = pipe;
intel_crtc->plane = pipe;
drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe);
+ return;
+
+fail:
+ if (primary)
+ drm_plane_cleanup(primary);
+ if (cursor)
+ drm_plane_cleanup(cursor);
+ kfree(intel_crtc);
}
enum pipe intel_get_pipe_from_connector(struct intel_connector *connector)
if (SUPPORTS_TV(dev))
intel_tv_init(dev);
+ intel_edp_psr_init(dev);
+
list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) {
encoder->base.possible_crtcs = encoder->crtc_mask;
encoder->base.possible_clones =
static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
+ struct drm_device *dev = fb->dev;
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
drm_framebuffer_cleanup(fb);
+ mutex_lock(&dev->struct_mutex);
WARN_ON(!intel_fb->obj->framebuffer_references--);
- drm_gem_object_unreference_unlocked(&intel_fb->obj->base);
+ drm_gem_object_unreference(&intel_fb->obj->base);
+ mutex_unlock(&dev->struct_mutex);
kfree(intel_fb);
}
void intel_modeset_cleanup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc;
struct drm_connector *connector;
/*
intel_unregister_dsm_handler();
- for_each_crtc(dev, crtc) {
- /* Skip inactive CRTCs */
- if (!crtc->primary->fb)
- continue;
-
- intel_increase_pllclock(crtc);
- }
-
intel_disable_fbc(dev);
intel_disable_gt_powersave(dev);
git.samba.org / sfrench / cifs-2.6.git / blobdiff