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drm/amdkfd: fix resume error when iommu disabled in Picasso
authorYifan Zhang <yifan1.zhang@amd.com>
Mon, 11 Oct 2021 12:42:31 +0000 (20:42 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 13 Oct 2021 18:16:02 +0000 (14:16 -0400)
commit6f4b590aae217da16cfa44039a2abcfb209137ab
tree8fe0ef1ce441c803a72979e2387f505a07b5ad52
parentafd18180c07026f94a80ff024acef5f4159084a4
drm/amdkfd: fix resume error when iommu disabled in Picasso

When IOMMU disabled in sbios and kfd in iommuv2 path,
IOMMU resume failure blocks system resume. Don't allow kfd to
use iommu v2 when iommu is disabled.

Reported-by: youling <youling257@gmail.com>
Tested-by: youling <youling257@gmail.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdkfd/kfd_device.c