drm/amd/display: fix null pointer deref when plugging in display

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[Why&How]
When system boots in headless mode, connecting a 4k display creates a
null pointer dereference due to hubp for a certain plane being null.
Add a condition to check for null hubp before dereferencing it.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Aurabindo Pillai 2021-10-08 16:07:45 -04:00 • committed by Alex Deucher

parent 62e5a7e233

commit 1f3b22e4eb

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c

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