linux-kernel - Re: [PATCH] drm/ci: ignore Gamma test failures on Qualcomm SC7180

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Message-ID: <CACSVV03QHtWNrmvySkf1GdkfJ-iC=zFWf4OYrK1E3oq2S9bzqg@mail.gmail.com>
Date: Wed, 21 Jan 2026 09:18:14 -0800
From: Rob Clark <rob.clark@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Helen Koike <helen.fornazier@...il.com>,
        Vignesh Raman <vignesh.raman@...labora.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Federico Amedeo Izzo <federico@...o.pro>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/ci: ignore Gamma test failures on Qualcomm SC7180

On Wed, Jan 21, 2026 at 12:41 AM Dmitry Baryshkov
<dmitry.baryshkov@....qualcomm.com> wrote:
>
> It seems, on SC7180 color conversion results are not included into the
> CRC calculation (unlike SM8350). The fails for SC7180 already lists CTM
> tests. Add gamma-related tests too.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> ---
> This is the fix for the IGT failures reported with [1] applied. See the
> pipeline at [2] and [3].
>
> [1] https://lore.kernel.org/all/20251019-dpu-add-dspp-gc-driver-v3-1-840491934e56@izzo.pro/
> [2] https://gitlab.freedesktop.org/drm/msm/-/pipelines/1587979
> [3] https://gitlab.freedesktop.org/drm/msm/-/pipelines/1587942
> ---
>  drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-fails.txt     | 4 ++++
>  drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-fails.txt | 4 ++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-fails.txt b/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-fails.txt
> index e4a8f8352cd6..ae36a39619c6 100644
> --- a/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-fails.txt
> +++ b/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-fails.txt
> @@ -6,12 +6,16 @@ kms_color@...-green-to-red,Fail
>  kms_color@...-negative,Fail
>  kms_color@...-red-to-blue,Fail
>  kms_color@...-signed,Fail
> +kms_color@...ma,Fail
> +kms_color@...acy-gamma,Fail
>  kms_cursor_legacy@...sor-vs-flip-toggle,Fail
>  kms_cursor_legacy@...sor-vs-flip-varying-size,Fail
>  kms_flip@...p-vs-modeset-vs-hang,Fail
>  kms_flip@...p-vs-panning-vs-hang,Fail
>  kms_lease@...se-uevent,Fail
>  kms_pipe_crc_basic@...pare-crc-sanitycheck-nv12,Fail
> +kms_plane@...el-format,Fail
> +kms_plane@...el-format-source-clamping,Fail

It is nice to see a comment in xfails about the reason

And maybe this should be squashed into [1]?

BR,
-R

>  kms_plane_alpha_blend@...ha-7efc,Fail
>  kms_plane_alpha_blend@...erage-7efc,Fail
>  kms_plane_alpha_blend@...erage-vs-premult-vs-constant,Fail
> diff --git a/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-fails.txt b/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-fails.txt
> index e4a8f8352cd6..ae36a39619c6 100644
> --- a/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-fails.txt
> +++ b/drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-fails.txt
> @@ -6,12 +6,16 @@ kms_color@...-green-to-red,Fail
>  kms_color@...-negative,Fail
>  kms_color@...-red-to-blue,Fail
>  kms_color@...-signed,Fail
> +kms_color@...ma,Fail
> +kms_color@...acy-gamma,Fail
>  kms_cursor_legacy@...sor-vs-flip-toggle,Fail
>  kms_cursor_legacy@...sor-vs-flip-varying-size,Fail
>  kms_flip@...p-vs-modeset-vs-hang,Fail
>  kms_flip@...p-vs-panning-vs-hang,Fail
>  kms_lease@...se-uevent,Fail
>  kms_pipe_crc_basic@...pare-crc-sanitycheck-nv12,Fail
> +kms_plane@...el-format,Fail
> +kms_plane@...el-format-source-clamping,Fail
>  kms_plane_alpha_blend@...ha-7efc,Fail
>  kms_plane_alpha_blend@...erage-7efc,Fail
>  kms_plane_alpha_blend@...erage-vs-premult-vs-constant,Fail
>
> ---
> base-commit: f185076da44c774241a16a82a7773ece3c1c607b
> change-id: 20260121-dpu-sc7180-ignore-gamma-dcff660aed40
> prerequisite-change-id: 20251017-dpu-add-dspp-gc-driver-c5d1c08be770:v3
> prerequisite-patch-id: 7a52c31208202effb5cc4b7aaf6d6a75eb9a258d
>
> Best regards,
> --
> With best wishes
> Dmitry
>