Commit c21d446b authored by James Zhu's avatar James Zhu Committed by Alex Deucher
Browse files

drm/amdgpu/vcn: enable vcn doorbell for vcn4.0.3 



Enable vcn doorbell for vcn4.0.3.

Signed-off-by: default avatarJames Zhu <James.Zhu@amd.com>
Reviewed-by: default avatarLeo Liu <leo.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d7fd2a9e

drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c

+9 −1
Original line number Diff line number Diff line
@@ -109,7 +109,8 @@ static int vcn_v4_0_3_sw_init(void *handle) 
		return r;



	ring = &adev->vcn.inst->ring_dec;

	ring->use_doorbell = false;

	ring->use_doorbell = true;

	ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 5;

	ring->vm_hub = AMDGPU_MMHUB0(0);

	sprintf(ring->name, "vcn_dec");

	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
@@ -174,6 +175,13 @@ static int vcn_v4_0_3_hw_init(void *handle) 
	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;

	int r;



	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,

				ring->doorbell_index, ring->me);

	if (ring->use_doorbell)

		WREG32_SOC15(VCN, ring->me, regVCN_RB4_DB_CTRL,

			ring->doorbell_index << VCN_RB4_DB_CTRL__OFFSET__SHIFT |

			VCN_RB4_DB_CTRL__EN_MASK);



	r = amdgpu_ring_test_helper(ring);



	if (!r)