Commit 2b63d0ec authored Jan 21, 2020 by Aric Cyr Committed by Alex Deucher Feb 11, 2020

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



[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>

parent aad927b5

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -400,7 +400,7 @@ static bool acquire(
		{
		enum gpio_result result;

		if (!is_engine_available(engine))
		if ((engine == NULL) \|\| !is_engine_available(engine))
		return false;

		result = dal_ddc_open(ddc, GPIO_MODE_HARDWARE,

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