diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 218 |
1 files changed, 2 insertions, 216 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5b05ddbfa46f..858011d22482 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -76,8 +76,6 @@ static const uint32_t intel_cursor_formats[] = { #define DIV_ROUND_CLOSEST_ULL(ll, d) \ ({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; }) -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, @@ -1138,8 +1136,8 @@ void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, state_string(state), state_string(cur_state)); } -static void assert_panel_unlocked(struct drm_i915_private *dev_priv, - enum pipe pipe) +void assert_panel_unlocked(struct drm_i915_private *dev_priv, + enum pipe pipe) { struct drm_device *dev = dev_priv->dev; int pp_reg; @@ -2631,7 +2629,6 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, if (dev_priv->display.disable_fbc) dev_priv->display.disable_fbc(dev); - intel_increase_pllclock(dev, to_intel_crtc(crtc)->pipe); dev_priv->display.update_primary_plane(crtc, fb, x, y); @@ -8986,35 +8983,6 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, return mode; } -static void intel_increase_pllclock(struct drm_device *dev, - enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int dpll_reg = DPLL(pipe); - int dpll; - - if (!HAS_GMCH_DISPLAY(dev)) - return; - - if (!dev_priv->lvds_downclock_avail) - return; - - dpll = I915_READ(dpll_reg); - if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { - DRM_DEBUG_DRIVER("upclocking LVDS\n"); - - assert_panel_unlocked(dev_priv, pipe); - - dpll &= ~DISPLAY_RATE_SELECT_FPA1; - I915_WRITE(dpll_reg, dpll); - intel_wait_for_vblank(dev, pipe); - - dpll = I915_READ(dpll_reg); - if (dpll & DISPLAY_RATE_SELECT_FPA1) - DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); - } -} - static void intel_decrease_pllclock(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -9090,188 +9058,6 @@ out: intel_runtime_pm_put(dev_priv); } - -/** - * 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_i915_private *dev_priv = dev->dev_private; - enum pipe pipe; - - if (!i915.powersave) - return; - - for_each_pipe(dev_priv, pipe) { - if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe))) - continue; - - 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_invalidate(dev, obj->frontbuffer_bits); -} - -/** - * 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_flush(dev, frontbuffer_bits); - - /* - * FIXME: Unconditional fbc flushing here is a rather gross hack and - * needs to be reworked into a proper frontbuffer tracking scheme like - * psr employs. - */ - if (IS_BROADWELL(dev)) - gen8_fbc_sw_flush(dev, FBC_REND_CACHE_CLEAN); -} - -/** - * 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); |