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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: 71df0368e9 ("drm/amdgpu: Implement mmap as GEM object function")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2021-07-07 17:55:55 -04:00 committed by Alex Deucher
parent c010efb7f0
commit 99e7d65ccc
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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@ -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;