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>
Tue, 7 Mar 2023 19:22:42 +0000 (14:22 -0500)
commitf651a7b64cec907bd645dd7ce1739fbbe257bceb
tree9e1d0d1bc8a4f2ce7c228799fd7b80fd3eb6da80
parentb79f85b7aa5a9ff9f702f40c6a5fe4a53e965cf6
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>
drivers/gpu/drm/amd/amdgpu/soc15.c