[2/2] drm/i915: Use fb->format->is_yuv for the g4x+ sprite RGB vs. YUV check
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Message ID 20200206201204.31704-2-ville.syrjala@linux.intel.com
State New
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Series
  • [1/2] drm/i915: Fix g4x+ sprite dotclock limit for upscaling
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Commit Message

Ville Syrjälä Feb. 6, 2020, 8:12 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

g4x+ sprites have an extra cdclk limitation listed for RGB formats.
For some random reason I chose to use cpp>=4 as the check for that.
While that does actually work let's deobfuscate it by checking
for !is_yuv instead. I suspect is_yuv didn't exist way back when
I originally write the code.

Also drop the duplicate comment.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_sprite.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index 6e2e22d9bbaa..f95fe2c99468 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -1624,8 +1624,8 @@  static int g4x_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
 	limit -= decimate;
 
 	/* -10% for RGB */
-	if (fb->format->cpp[0] >= 4)
-		limit--; /* -10% for RGB */
+	if (!fb->format->is_yuv)
+		limit--;
 
 	/*
 	 * We should also do -10% if sprite scaling is enabled