Thank you Bhanu. This test is failing on all planes > 0. Only plane 0 passes.
If I skip plane 1, it fails on 2 and so on.
Changing the way CRC is being collected also is not helping. Adding vblank is also not helping.
Regards
Vidya
-----Original Message-----
From: Modem, Bhanuprakash <bhanuprakash.modem@xxxxxxxxx>
Sent: Friday, June 11, 2021 9:11 AM
To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; igt-dev@xxxxxxxxxxxxxxxxxxxxx
Subject: RE: [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend: Don't set primary fb color in coverage-vs-premult-vs-constant
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Vidya Srinivas
> Sent: Tuesday, June 1, 2021 7:38 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; igt-dev@xxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend:
> Don't set primary fb color in coverage-vs-premult-vs-constant
>
> Patch removes setting primary fb color in
> coverage-vs-premult-vs-constant as this is causing CRC mismatch on few Gen11 systems.
I am not sure how Primary plane's bg color causing CRC mismatch.
Also, as this test runs on all planes (those are having the props "alpha" and "pixel blend mode"), is this test failing on a particular plane?
- Bhanu
> Similar change has already been done in tests constant_alpha_min and
> basic_alpha where the test runs on all planes but dont set the primary
> fb color.
>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
> ---
> tests/kms_plane_alpha_blend.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/tests/kms_plane_alpha_blend.c
> b/tests/kms_plane_alpha_blend.c index a37cb27c7d62..224d79bd1749
> 100644
> --- a/tests/kms_plane_alpha_blend.c
> +++ b/tests/kms_plane_alpha_blend.c
> @@ -447,10 +447,6 @@ static void coverage_premult_constant(data_t
> *data, enum pipe pipe, igt_plane_t
> igt_display_t *display = &data->display;
> igt_crc_t ref_crc = {}, crc = {};
>
> - /* Set a background color on the primary fb for testing */
> - if (plane->type != DRM_PLANE_TYPE_PRIMARY)
> - igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe],
> DRM_PLANE_TYPE_PRIMARY), &data->gray_fb);
> -
> igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "Coverage");
> igt_plane_set_fb(plane, &data->argb_fb_cov_7e);
> igt_display_commit2(display, COMMIT_ATOMIC);
> --
> 2.7.4
>
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