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authorJames Zhu <[email protected]>2022-01-29 10:28:26 -0500
committerAlex Deucher <[email protected]>2023-06-09 09:41:57 -0400
commitc21d446ba7a83ab9f15fae8f9c732bb94f8a5677 (patch)
tree3b1c966a4841927f0454ff496936baa4b9a7f7ac
parentd7fd2a9e394b5f2bb900fc4e1e04e8dd4a97a7be (diff)
drm/amdgpu/vcn: enable vcn doorbell for vcn4.0.3
Enable vcn doorbell for vcn4.0.3. Signed-off-by: James Zhu <[email protected]> Reviewed-by: Leo Liu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c10
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)