drm/amd/display: prevent register access while in IPS

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We can't read/write to DCN registers while in IPS. Since, that can cause
the system to hang. So, before proceeding with the access in that
scenario, force the system out of IPS.

Cc: stable@vger.kernel.org # 6.6+
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Hamza Mahfooz 2024-06-03 10:16:45 -04:00 • committed by Alex Deucher

parent 1bfe5e7746

commit 02593249fa

1 changed files with 10 additions and 0 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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