Thread (97 messages) 97 messages, 8 authors, 2021-07-14

Re: [igt-dev] [Intel-gfx] [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend: Don't set primary fb color in coverage-vs-premult-vs-constant

From: Srinivas, Vidya <hidden>
Date: 2021-06-15 08:25:21
Also in: intel-gfx

Hello Bhanu,

Sorry for the trouble. Kindly can you check if rev 3 is okay? Thanks a lot.

Regards
Vidya

-----Original Message-----
From: Srinivas, Vidya 
Sent: Friday, June 11, 2021 6:28 PM
To: Modem, Bhanuprakash <redacted>; intel-gfx@lists.freedesktop.org; igt-dev@lists.freedesktop.org
Subject: RE: [Intel-gfx] [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend: Don't set primary fb color in coverage-vs-premult-vs-constant

Hello Bhanu,

I have uploaded version 3 where I have not removed primary plane.
Instead I have added a commit of the primary plane and I have changed alpha.
This passes on Gen11 systems.

Kindly check https://patchwork.freedesktop.org/patch/438831/?series=90828&rev=3 and suggest.

Thank you so much.

Regards
Vidya

-----Original Message-----
From: Srinivas, Vidya
Sent: Friday, June 11, 2021 1:00 PM
To: Modem, Bhanuprakash <redacted>; intel-gfx@lists.freedesktop.org; igt-dev@lists.freedesktop.org
Subject: RE: [Intel-gfx] [PATCH i-g-t] [RFC] tests/kms_plane_alpha_blend: Don't set primary fb color in coverage-vs-premult-vs-constant

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 <redacted>
Sent: Friday, June 11, 2021 9:11 AM
To: Srinivas, Vidya <redacted>; intel-gfx@lists.freedesktop.org; igt-dev@lists.freedesktop.org
Subject: RE: [Intel-gfx] [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 <redacted> On Behalf Of 
Vidya Srinivas
Sent: Tuesday, June 1, 2021 7:38 PM
To: intel-gfx@lists.freedesktop.org; igt-dev@lists.freedesktop.org
Subject: [Intel-gfx] [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
quoted hunk ↗ jump to hunk
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 <redacted>
---
 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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