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authorFelix Kuehling <Felix.Kuehling@amd.com>2018-02-06 20:32:35 -0500
committerOded Gabbay <oded.gabbay@gmail.com>2018-02-06 20:32:35 -0500
commitd8d019ccffb838bb0dd98e583b5c25ccc0bc6ece (patch)
tree660d1ea42b915579fc4b12ad717bcbcaf49254f6 /drivers/gpu/drm/amd/amdgpu/Makefile
parent1029a3f33678afb8978285209ec5cfe153fe44ef (diff)
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drm/amdgpu: Add KFD eviction fence
This fence is used by KFD to keep memory resident while user mode queues are enabled. Trying to evict memory will trigger the enable_signaling callback, which starts a KFD eviction, which involves preempting user mode queues before signaling the fence. There is one such fence per process. v2: * Grab a reference to mm_struct * Dereference fence after NULL check * Simplify fence release, no need to signal without anyone waiting * Added signed-off-by Harish, who is the original author of this code v3: * update MAINTAINERS file * change amd_kfd_ prefix to amdkfd_ * remove useless initialization of variable to NULL v4: * set amdkfd_fence_ops to be static * Suggested by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/Makefile')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 353c937d947d..5dd317579e77 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -129,6 +129,7 @@ amdgpu-y += \
# add amdkfd interfaces
amdgpu-y += \
amdgpu_amdkfd.o \
+ amdgpu_amdkfd_fence.o \
amdgpu_amdkfd_gfx_v8.o
# add cgs
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