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

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Enable vcn doorbell for vcn4.0.3.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu
2022-01-29 10:28:26 -05:00
committed by Alex Deucher
parent d7fd2a9e39
commit c21d446ba7
1 changed files with 9 additions and 1 deletions
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10
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
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@@ -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)