Commit 75a17892 authored by Sonny Jiang's avatar Sonny Jiang Committed by Alex Deucher
Browse files

drm/amdgpu/jpeg5: Enable doorbell 



Add doorbell for JPEG5

Signed-off-by: default avatarSonny Jiang <sonny.jiang@amd.com>
Reviewed-by: default avatarLeo Liu <leo.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 785e53a8

drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c

+8 −1
Original line number Diff line number Diff line
@@ -85,7 +85,7 @@ static int jpeg_v5_0_0_sw_init(void *handle) 
		return r;



	ring = adev->jpeg.inst->ring_dec;

	ring->use_doorbell = false;

	ring->use_doorbell = true;

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

	ring->vm_hub = AMDGPU_MMHUB0(0);
@@ -134,6 +134,13 @@ static int jpeg_v5_0_0_hw_init(void *handle) 
	struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec;

	int r;



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

			(adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);



	WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,

			ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |

			VCN_JPEG_DB_CTRL__EN_MASK);



	r = amdgpu_ring_test_helper(ring);

	if (r)

		return r;