drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21

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commit 2915e43a03 upstream.

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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alex Deucher 2023-03-06 10:35:34 -05:00 • committed by Greg Kroah-Hartman

parent 39190482e5

commit a11e210dc5

1 changed files with 4 additions and 3 deletions

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

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