drm/amd/display: Check engine is not NULL before acquiring

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[ Upstream commit 2b63d0ec0d ]

[Why]
Engine can be NULL in some cases, so we must not acquire it.

[How]
Check for NULL engine before acquiring.

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Aric Cyr 2020-01-21 22:50:13 -05:00 • committed by Greg Kroah-Hartman

parent 909b6d55d1

commit 10961b201a

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/display/dc/dce/dce_aux.c

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