Commit 29ce0f6f authored by Jack Xiao's avatar Jack Xiao Committed by Alex Deucher
Browse files

drm/amdgpu/mes10.1: add the helper function for mes command submission 



The helper function is used to submit mes command and poll waiting
for the command completion.

v2: replaced with amdgpu_fence_wait_polling to wait.

Signed-off-by: default avatarJack Xiao <Jack.Xiao@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3f63345d

drivers/gpu/drm/amd/amdgpu/mes_v10_1.c

+30 −0
Original line number Diff line number Diff line
@@ -78,6 +78,36 @@ static const struct amdgpu_ring_funcs mes_v10_1_ring_funcs = { 
	.insert_nop = amdgpu_ring_insert_nop,

};



static int mes_v10_1_submit_pkt_and_poll_completion(struct amdgpu_mes *mes,

						    void *pkt, int size)

{

	int ndw = size / 4;

	signed long r;

	union MESAPI__ADD_QUEUE *x_pkt = pkt;

	struct amdgpu_device *adev = mes->adev;

	struct amdgpu_ring *ring = &mes->ring;



	BUG_ON(size % 4 != 0);



	if (amdgpu_ring_alloc(ring, ndw))

		return -ENOMEM;



	amdgpu_ring_write_multiple(ring, pkt, ndw);

	amdgpu_ring_commit(ring);



	DRM_DEBUG("MES msg=%d was emitted\n", x_pkt->header.opcode);



	r = amdgpu_fence_wait_polling(ring, ring->fence_drv.sync_seq,

				      adev->usec_timeout);

	if (r < 1) {

		DRM_ERROR("MES failed to response msg=%d\n",

			  x_pkt->header.opcode);

		return -ETIMEDOUT;

	}



	return 0;

}



static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,

				  struct mes_add_queue_input *input)

{