Commit ef44f854 authored by Leo Liu's avatar Leo Liu Committed by Alex Deucher
Browse files

drm/amdgpu: add a ring func for vcn start command 



Needed for the proper command sequence for VCN.

Signed-off-by: default avatarLeo Liu <leo.liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7741cced

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

+3 −0
Original line number Diff line number Diff line
@@ -169,6 +169,9 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, 
		dma_fence_put(tmp);

	}



	if (ring->funcs->insert_start)

		ring->funcs->insert_start(ring);



	if (vm) {

		r = amdgpu_vm_flush(ring, job);

		if (r) {

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h

+1 −0
Original line number Diff line number Diff line
@@ -132,6 +132,7 @@ struct amdgpu_ring_funcs { 
	int (*test_ib)(struct amdgpu_ring *ring, long timeout);

	/* insert NOP packets */

	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);

	void (*insert_start)(struct amdgpu_ring *ring);

	void (*insert_end)(struct amdgpu_ring *ring);

	/* pad the indirect buffer to the necessary number of dw */

	void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);

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