Commit 99e7d65c authored by Felix Kuehling's avatar Felix Kuehling Committed by Alex Deucher
Browse files

drm/amdkfd: Allow CPU access for all VRAM BOs 



The thunk needs to mmap all BOs for CPU access to allow the debugger to
access them. Invisible ones are mapped with PROT_NONE.

Fixes: 71df0368 ("drm/amdgpu: Implement mmap as GEM object function")
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c010efb7

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

+1 −2
Original line number Diff line number Diff line
@@ -1393,8 +1393,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( 
		domain = alloc_domain = AMDGPU_GEM_DOMAIN_VRAM;

		alloc_flags = AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;

		alloc_flags |= (flags & KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC) ?

			AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED :

			AMDGPU_GEM_CREATE_NO_CPU_ACCESS;

			AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED : 0;

	} else if (flags & KFD_IOC_ALLOC_MEM_FLAGS_GTT) {

		domain = alloc_domain = AMDGPU_GEM_DOMAIN_GTT;

		alloc_flags = 0;