diff options
| author | James Zhu <James.Zhu@amd.com> | 2022-01-29 18:28:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 16:41:57 +0300 |
| commit | c21d446ba7a83ab9f15fae8f9c732bb94f8a5677 (patch) | |
| tree | 3b1c966a4841927f0454ff496936baa4b9a7f7ac /drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | |
| parent | d7fd2a9e394b5f2bb900fc4e1e04e8dd4a97a7be (diff) | |
| download | linux-c21d446ba7a83ab9f15fae8f9c732bb94f8a5677.tar.xz | |
drm/amdgpu/vcn: enable vcn doorbell for vcn4.0.3
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c index 98bff162f453..4418c9f05ec4 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c @@ -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) |