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path: root/drivers/gpu/drm/i915/intel_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 19bd7212f4a2..41de760bf1d4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1494,6 +1494,37 @@ static void cherryview_update_wm(struct drm_crtc *crtc)
intel_set_memory_cxsr(dev_priv, true);
}
+static void valleyview_update_sprite_wm(struct drm_plane *plane,
+ struct drm_crtc *crtc,
+ uint32_t sprite_width,
+ uint32_t sprite_height,
+ int pixel_size,
+ bool enabled, bool scaled)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int pipe = to_intel_plane(plane)->pipe;
+ int sprite = to_intel_plane(plane)->plane;
+ int drain_latency;
+ int plane_prec;
+ int sprite_dl;
+ int prec_mult;
+
+ sprite_dl = I915_READ(VLV_DDL(pipe)) & ~(DDL_SPRITE_PRECISION_64(sprite) |
+ (DRAIN_LATENCY_MASK << DDL_SPRITE_SHIFT(sprite)));
+
+ if (enabled && vlv_compute_drain_latency(crtc, pixel_size, &prec_mult,
+ &drain_latency)) {
+ plane_prec = (prec_mult == DRAIN_LATENCY_PRECISION_64) ?
+ DDL_SPRITE_PRECISION_64(sprite) :
+ DDL_SPRITE_PRECISION_32(sprite);
+ sprite_dl |= plane_prec |
+ (drain_latency << DDL_SPRITE_SHIFT(sprite));
+ }
+
+ I915_WRITE(VLV_DDL(pipe), sprite_dl);
+}
+
static void g4x_update_wm(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@@ -7225,10 +7256,12 @@ void intel_init_pm(struct drm_device *dev)
dev_priv->display.init_clock_gating = gen8_init_clock_gating;
} else if (IS_CHERRYVIEW(dev)) {
dev_priv->display.update_wm = cherryview_update_wm;
+ dev_priv->display.update_sprite_wm = valleyview_update_sprite_wm;
dev_priv->display.init_clock_gating =
cherryview_init_clock_gating;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.update_wm = valleyview_update_wm;
+ dev_priv->display.update_sprite_wm = valleyview_update_sprite_wm;
dev_priv->display.init_clock_gating =
valleyview_init_clock_gating;
} else if (IS_PINEVIEW(dev)) {