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(parent: 0a948bd) | patch
drm/amd/display: fix null pointer deref when plugging in display
authorAurabindo Pillai <aurabindo.pillai@amd.com>
Fri, 8 Oct 2021 20:07:45 +0000 (16:07 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 13 Oct 2021 18:14:35 +0000 (14:14 -0400)
commited8d9f678393e870e3714ffc7dd28c7b831d8b39
tree7c1b9264be46a568441a55c497fb463ab3f033a4tree | snapshot
parent0a948bdad8c3840fd6b9515d7e1d7a00ed08f730commit | diff
drm/amd/display: fix null pointer deref when plugging in display

[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>
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c diff | blob | history
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