minigbm: Use NV12 for video decoder on MT8183 only

To unblock the HALv3 camera migration for MT8173 platform, we changed to
use NV12 for camera read/write, video hw encoder/decoder for
DRM_FORMAT_FLEX_YCbCr_420_888 format on MT8173 in crrev.com/c/2317328.

However, it broke V4L2 VDA since it does not support NV12, as per
b:162698479.

Since camera will not use video decoder actually, change MT8173
back to use YVU420 for video decoder.

BUG=b:162698479
TEST=tast run [DUT] arc.VideoDecodeAccel.h264

Change-Id: Iee83ab0184541b24ecc9e4fb07138c09228e5440
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/2336352
Tested-by: Wei Lee <wtlee@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Commit-Queue: Wei Lee <wtlee@chromium.org>
Auto-Submit: Wei Lee <wtlee@chromium.org>
1 file changed