drm/dp_mst: Don't return error code when crtc is null

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[Why]
In certain cases the crtc can be NULL and returning -EINVAL causes
atomic check to fail when it shouln't. This leads to valid
configurations failing because atomic check fails.

[How]
Don't early return if crtc is null

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
[added stable cc]
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: 8ec046716c ("drm/dp_mst: Add helper to trigger modeset on affected DSC MST CRTCs")
Cc: <stable@vger.kernel.org> # v5.6+
Link: https://patchwork.freedesktop.org/patch/msgid/20200814170140.24917-1-Bhawanpreet.Lakha@amd.com

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Bhawanpreet Lakha 2020-08-14 13:01:40 -04:00 • committed by Lyude Paul

parent 836b194d65

commit 88fee1c900

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/drm_dp_mst_topology.c

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