diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch b/target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch new file mode 100644 index 0000000000..9182194403 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-0930-drm-vc4-Fix-FKMS-for-when-the-YUV-chroma-planes-are-.patch @@ -0,0 +1,50 @@ +From bb1ee75de382c7a5218750476aa2a5792309cc70 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 30 Mar 2023 17:18:36 +0100 +Subject: [PATCH] drm/vc4: Fix FKMS for when the YUV chroma planes are + different buffers + +The code was assuming that it was a single buffer with offsets, +when kmstest uses separate buffers and 0 offsets for each plane. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -528,7 +528,7 @@ static int vc4_plane_to_mb(struct drm_pl + struct drm_plane_state *state) + { + struct drm_framebuffer *fb = state->fb; +- struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0); ++ struct drm_gem_dma_object *bo; + const struct drm_format_info *drm_fmt = fb->format; + const struct vc_image_format *vc_fmt = + vc4_get_vc_image_fmt(drm_fmt->format); +@@ -552,6 +552,7 @@ static int vc4_plane_to_mb(struct drm_pl + state->normalized_zpos : -127; + mb->plane.num_planes = num_planes; + mb->plane.is_vu = vc_fmt->is_vu; ++ bo = drm_fb_dma_get_gem_obj(fb, 0); + mb->plane.planes[0] = bo->dma_addr + fb->offsets[0]; + + rotation = drm_rotation_simplify(state->rotation, +@@ -572,11 +573,14 @@ static int vc4_plane_to_mb(struct drm_pl + /* Makes assumptions on the stride for the chroma planes as we + * can't easily plumb in non-standard pitches. + */ ++ bo = drm_fb_dma_get_gem_obj(fb, 1); + mb->plane.planes[1] = bo->dma_addr + fb->offsets[1]; +- if (num_planes > 2) ++ if (num_planes > 2) { ++ bo = drm_fb_dma_get_gem_obj(fb, 2); + mb->plane.planes[2] = bo->dma_addr + fb->offsets[2]; +- else ++ } else { + mb->plane.planes[2] = 0; ++ } + + /* Special case the YUV420 with U and V as line interleaved + * planes as we have special handling for that case. |