drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc15
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 6 Mar 2023 15:34:20 +0000 (10:34 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 10 Mar 2023 03:06:19 +0000 (22:06 -0500)
commit0dcdf8498eae2727bb33cef3576991dc841d4343
treed2b73401cbc69b7a08aef655d4a1e091d16c82e4
parent8879ec6dfdcdcca7718eeb4a584805eb205288bf
drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc15

Properly skip non-existent registers as well.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/soc15.c