Re: Kunit drm_test_check_plane_state: EXPECTATION FAILED at drivers/gpu/drm/tests/drm_plane_helper_test.c:123

Hi Naresh,

Thanks for the report

On Mon, Dec 04, 2023 at 11:05:36PM +0530, Naresh Kamboju wrote:

The Kunit drm_plane_helper failed on all devices running Linux next-20231204

## Test Regressions (compared to next-20231201)

• qemu-armv7, kunit and
• x86, kunit
  • drm_test_check_invalid_plane_state_downscaling_invalid
  • drm_test_check_invalid_plane_state_drm_plane_helper
  • drm_test_check_invalid_plane_state_drm_test_check_invalid_plane_state
  • drm_test_check_invalid_plane_state_positioning_invalid
  • drm_test_check_invalid_plane_state_upscaling_invalid
  • drm_test_check_plane_state_clipping_rotate_reflect
  • drm_test_check_plane_state_clipping_simple
  • drm_test_check_plane_state_downscaling
  • drm_test_check_plane_state_drm_test_check_plane_state
  • drm_test_check_plane_state_positioning_simple
  • drm_test_check_plane_state_rounding1
  • drm_test_check_plane_state_rounding2
  • drm_test_check_plane_state_rounding3
  • drm_test_check_plane_state_rounding4
  • drm_test_check_plane_state_upscaling

I found the source of failure to be f1e75da5364e ("drm/atomic: Loosen FB atomic checks").

Fortunately for us, it's already been reverted yesterday for some unrelated reason, so it should be fixed in next-20231205 onward.

Maxime