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drm/i915: Calculate the sprite WM based on the source width instead of the destination width

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Using the destination width in the sprite WM calculations isn't correct.
We should be using the source width.

Note: This doesn't affect hsw since it does not support sprite
scaling.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Add review note from Paulo to the commit message.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2013-07-05 11:57:15 +03:00 committed by Daniel Vetter
parent 67ca28f30a
commit ec4c4aa147
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/intel_sprite.c
View file

@ -108,7 +108,7 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_framebuffer *fb,
sprctl |= SP_ENABLE;
intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true,
src_w != crtc_w || src_h != crtc_h);
/* Sizes are 0 based */
@ -263,7 +263,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
if (IS_HASWELL(dev))
sprctl |= SPRITE_PIPE_CSC_ENABLE;
intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true,
src_w != crtc_w || src_h != crtc_h);
/* Sizes are 0 based */
@ -452,7 +452,7 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */
dvscntr |= DVS_ENABLE;
intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true,
intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true,
src_w != crtc_w || src_h != crtc_h);
/* Sizes are 0 based */