[igt-dev] [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend: Fix coverage-vs-premult-vs-constant tests

[Mark Yacoub]

On Tue, Jun 1, 2021 at 7:54 AM Vidya Srinivas <vidya.srinivas at intel.com> wrote:
>
> Few Gen11 systems show CRC mismatch. Make coverage-vs-premult-vs-constant
> code similar to constant_alpha_min or basic_alpha
>
Tested on ChromeOS on JSL (Drawlat)
Tested-by: Mark Yacoub <markyacoub at chromium.org>
> Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> ---
>  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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