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drm/amdgpu: Fix amdgpu_display_supported_domains logic.

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Add restriction to dissallow GTT domain if the relevant BO
doesn't have USWC flag set to avoid the APU hang scenario.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky
2019-07-26 09:24:35 -04:00
committed by Alex Deucher
parent 354e6e14ef
commit f2bd8a0ed7
6 changed files with 22 additions and 15 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
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@@ -765,7 +765,7 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
args->size = (u64)args->pitch * args->height;
args->size = ALIGN(args->size, PAGE_SIZE);
domain = amdgpu_bo_get_preferred_pin_domain(adev,
amdgpu_display_supported_domains(adev));
amdgpu_display_supported_domains(adev, flags));
r = amdgpu_gem_object_create(adev, args->size, 0, domain, flags,
ttm_bo_type_device, NULL, &gobj);
if (r)