diff options
| author | Frank Min <Frank.Min@amd.com> | 2017-04-17 11:45:35 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-04-25 11:54:03 -0400 |
| commit | 57d46e994acd5cd0369aaefe53aab0ef8298f7ac (patch) | |
| tree | e4f246efdbb511a2d224f480a9d1e03f2a7dddf1 /drivers/gpu/drm | |
| parent | 5e18cee43669a8dfe249e7899f21a34a61ee0e7d (diff) | |
drm/amdgpu/uvd7: add uvd doorbell initialization for sriov
Add UVD doorbell for SRIOV.
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index 46c7bc490809..552bfcdd3236 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -103,6 +103,9 @@ static uint64_t uvd_v7_0_enc_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + if (ring->use_doorbell) + return adev->wb.wb[ring->wptr_offs]; + if (ring == &adev->uvd.ring_enc[0]) return RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR)); else @@ -134,6 +137,13 @@ static void uvd_v7_0_enc_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + if (ring->use_doorbell) { + /* XXX check if swapping is necessary on BE */ + adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr); + WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); + return; + } + if (ring == &adev->uvd.ring_enc[0]) WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_RB_WPTR), lower_32_bits(ring->wptr)); @@ -421,6 +431,10 @@ static int uvd_v7_0_sw_init(void *handle) for (i = 0; i < adev->uvd.num_enc_rings; ++i) { ring = &adev->uvd.ring_enc[i]; sprintf(ring->name, "uvd_enc%d", i); + if (amdgpu_sriov_vf(adev)) { + ring->use_doorbell = true; + ring->doorbell_index = AMDGPU_DOORBELL64_UVD_RING0_1 * 2; + } r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0); if (r) return r; |