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drm/i915: Force planar YUV coordinates to be a multiple of 2, v2.

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We can't make NV12 work any other way. The scaler doesn't handle odd
coordinates well, and we will get visual corruption on the screen.

Changes since v1:
- Put the check in intel_plane_check_src_coordinates. (Ville)

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920102711.4184-9-maarten.lankhorst@linux.intel.com
This commit is contained in:
Maarten Lankhorst 2018-09-20 12:27:11 +02:00
parent ab5c60bf76
commit 945ac78928
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/i915/intel_sprite.c
View file

@ -253,13 +253,20 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
src->y2 = (src_y + src_h) << 16;
if (fb->format->is_yuv &&
fb->format->format != DRM_FORMAT_NV12 &&
(src_x & 1 || src_w & 1)) {
DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of 2 for YUV planes\n",
src_x, src_w);
return -EINVAL;
}
if (fb->format->is_yuv &&
fb->format->num_planes > 1 &&
(src_y & 1 || src_h & 1)) {
DRM_DEBUG_KMS("src y/h (%u, %u) must be a multiple of 2 for planar YUV planes\n",
src_y, src_h);
return -EINVAL;
}
return 0;
}