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: 71df0368e9b6 ("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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 3b8e1ee..eb82739 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -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;