i915: avoid vertical alignment for FORMAT_BLOB

HAL_PIXEL_FORMAT_BLOB gets resolved into DRM_FORMAT_R8 with height of 1.
Avoid doing any vertical alignment for this case. Ideally we want a new
DRM_FORMAT_BLOB format.

BUG=b:255226937
TEST=atest CtsNNAPITestCases:GpuNnapiTest

Change-Id: Iea86481392b40c6c827f84323cb50450ddec03a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/4035255
Auto-Submit: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Tested-by: Yiwei Zhang <zzyiwei@chromium.org>
Commit-Queue: Yiwei Zhang <zzyiwei@chromium.org>
1 file changed