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The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From 149228561318ce4b95f09329fca976856694b450 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Fri, 16 Feb 2024 15:57:41 +0000
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Subject: [PATCH 0902/1085] vc4/hvs: Fix lbm size calculation for yuv
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The code was reducing the number of components by one when we were not
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blending with alpha. But that only makes sense if the components include
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alpha.
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For YUV, we were reducing the number of components for Y from one to zero
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which resulted in no lbm space being allocated.
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Fixes: https://github.com/raspberrypi/linux/issues/5912
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -733,7 +733,7 @@ static unsigned int vc4_lbm_channel_size
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if (!components)
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return 0;
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- if (state->alpha != DRM_BLEND_ALPHA_OPAQUE)
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+ if (state->alpha != DRM_BLEND_ALPHA_OPAQUE && info->has_alpha)
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components -= 1;
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words = width * wpc * components;
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