drm/amdgpu: Reset dGPU if suspend got aborted

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commit 8b2be55f4d upstream.

For SOC21 ASICs, there is an issue in re-enabling PM features if a
suspend got aborted. In such cases, reset the device during resume
phase. This is a workaround till a proper solution is finalized.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Lijo Lazar 2024-02-14 17:55:54 +05:30 • committed by Greg Kroah-Hartman

parent 29bd4d05f2

commit 7cc89dbcb8

1 changed files with 25 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/soc21.c

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