From: James Zhu Date: Sat, 29 Jan 2022 15:28:26 +0000 (-0500) Subject: drm/amdgpu/vcn: enable vcn doorbell for vcn4.0.3 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c21d446ba7a83ab9f15fae8f9c732bb94f8a5677;p=linux.git drm/amdgpu/vcn: enable vcn doorbell for vcn4.0.3 Enable vcn doorbell for vcn4.0.3. Signed-off-by: James Zhu Reviewed-by: Leo Liu Signed-off-by: Alex Deucher --- 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 98bff162f4535..4418c9f05ec4d 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)