drm/amdgpu: grab VMID before submitting job v5
This allows the scheduler to handle the dependencies on ID contention as well.
v2: grab id only once
v3: use a separate lock for the VMIDs
v4: cleanup after semaphore removal
v5: minor coding style change
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 719bce6..edfaae4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -777,6 +777,7 @@
struct amdgpu_ring *ring;
struct amdgpu_fence *fence;
struct amdgpu_user_fence *user;
+ bool grabbed_vmid;
struct amdgpu_vm *vm;
struct amdgpu_ctx *ctx;
struct amdgpu_sync sync;
@@ -925,6 +926,9 @@
};
struct amdgpu_vm_manager {
+ /* protecting IDs */
+ struct mutex lock;
+
struct {
struct fence *active;
atomic_long_t owner;