diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0522-vc4-drm-SQUASH-Fix-source-offsets-with-DRM_FORMAT_P0.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0522-vc4-drm-SQUASH-Fix-source-offsets-with-DRM_FORMAT_P0.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0522-vc4-drm-SQUASH-Fix-source-offsets-with-DRM_FORMAT_P0.patch b/target/linux/bcm27xx/patches-5.10/950-0522-vc4-drm-SQUASH-Fix-source-offsets-with-DRM_FORMAT_P0.patch new file mode 100644 index 0000000000..711b2e5f17 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0522-vc4-drm-SQUASH-Fix-source-offsets-with-DRM_FORMAT_P0.patch @@ -0,0 +1,30 @@ +From 38643fd0a26ba42938a361db296e28f3b4975d8c Mon Sep 17 00:00:00 2001 +From: Dom Cobley <popcornmix@gmail.com> +Date: Wed, 31 Mar 2021 18:12:55 +0100 +Subject: [PATCH] vc4/drm: SQUASH: Fix source offsets with + DRM_FORMAT_P030 + +x_off should only be within current stripe +The stripe number is accounted for elsewhere + +Fixes: 9b1b1beb1c7e58b ("vc4/drm: Fix source offsets with DRM_FORMAT_P030") + +Signed-off-by: Dom Cobley <popcornmix@gmail.com> +--- + drivers/gpu/drm/vc4/vc4_plane.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_plane.c ++++ b/drivers/gpu/drm/vc4/vc4_plane.c +@@ -825,8 +825,9 @@ static int vc4_plane_mode_set(struct drm + * and bits[3:0] should be between 0 and 11, indicating which + * of the 12-pixels in that 128-bit word is the first pixel to be used + */ +- u32 aligned = vc4_state->src_x / 12; +- u32 last_bits = vc4_state->src_x % 12; ++ u32 remaining_pixels = vc4_state->src_x % 96; ++ u32 aligned = remaining_pixels / 12; ++ u32 last_bits = remaining_pixels % 12; + + x_off = aligned * 16 + last_bits; + hvs_format = HVS_PIXEL_FORMAT_YCBCR_10BIT; |