virtgpu_virgl: force linear for hw encoder with impl defined

BUG=b:264408280
TEST=video capture

Change-Id: Iffefbefb061def63905c6db7982c19bc16f2c223
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/4137158
Reviewed-by: Dominik Laskowski <domlaskowski@chromium.org>
Tested-by: Yiwei Zhang <zzyiwei@chromium.org>
Auto-Submit: Yiwei Zhang <zzyiwei@chromium.org>
Commit-Queue: Dawn Han <dawnhan@google.com>
Reviewed-by: Dawn Han <dawnhan@google.com>
1 file changed