drm/amdgpu: add insert_nop ring func and default implementation

[karo-tx-linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 057e7ef5c0d0e083fab92a862f37c1750db18bcc..668939a14206b4113991b69636915d562ea3d55c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -343,6 +343,8 @@ struct amdgpu_ring_funcs {
        int (*test_ring)(struct amdgpu_ring *ring);
        int (*test_ib)(struct amdgpu_ring *ring);
        bool (*is_lockup)(struct amdgpu_ring *ring);
+       /* insert NOP packets */
+       void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
 };
 
 /*
@@ -1217,6 +1219,7 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
 int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
+void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
 void amdgpu_ring_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_undo(struct amdgpu_ring *ring);