drm/amd/display: Fix NULL pointer dereference at hibernate

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During hibernate sequence the source context might not have a clk_mgr.
So don't use it to look for DML2 support.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2980
Fixes: 7966f319c6 ("drm/amd/display: Introduce DML2")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Mario Limonciello 2023-11-28 18:35:09 -06:00 • committed by Alex Deucher

parent 71225e1c93

commit b719a9c15d

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/amd/display/dc/core/dc_resource.c

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