drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 6 Mar 2023 15:35:34 +0000 (10:35 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 7 Mar 2023 19:22:42 +0000 (14:22 -0500)
commitba137e64191f313eb0e91eeb9a1a2db1b1d5234f
treebdb0ce1a6c36ef307f8092e413963bbfd7ab523c
parentf651a7b64cec907bd645dd7ce1739fbbe257bceb
drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21

Properly skip non-existent registers as well.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/soc21.c