amdgpu/gmc_v9: save/restore sdpif regs during S3

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commit a3ed353cf8 upstream.

fixes S3 issue with IOMMU + S/G  enabled @ 64M VRAM.

Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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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Shirish S 2020-01-27 16:35:24 +05:30 • committed by Greg Kroah-Hartman

parent 6db1c5c69c

commit 2e109ead38

3 changed files with 39 additions and 1 deletions

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1

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h

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37

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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2

drivers/gpu/drm/amd/include/asic_reg/dce/dce_12_0_offset.h

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