diff options
author | Christian König <christian.koenig@amd.com> | 2018-01-19 14:17:40 +0100 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 20:18:20 +0100 |
commit | 698825653fdf1a696e1b9458ed9fc4aa2c6587d4 (patch) | |
tree | 4ddb3d0444c4c0ae531dfff131e40ad8c2b02768 /drivers/gpu/drm/amd/amdgpu/si.c | |
parent | drm/amd/pp: Add update_avfs call when set_power_state (diff) | |
download | linux-698825653fdf1a696e1b9458ed9fc4aa2c6587d4.tar.xz linux-698825653fdf1a696e1b9458ed9fc4aa2c6587d4.zip |
drm/amdgpu: add optional ring to *_hdp callbacks
This adds an optional ring to the invalidate_hdp and flush_hdp
callbacks. If the ring isn't specified or the emit_wreg function not
available the HDP operation will be done with the CPU otherwise by
writing on the ring.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index f61a431b9553..f20c4b7414e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1230,16 +1230,25 @@ static void si_detect_hw_virtualization(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } -static void si_flush_hdp(struct amdgpu_device *adev) +static void si_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring) { - WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); - RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL); + if (!ring || !ring->funcs->emit_wreg) { + WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); + RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL); + } else { + amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); + } } -static void si_invalidate_hdp(struct amdgpu_device *adev) +static void si_invalidate_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) { - WREG32(mmHDP_DEBUG0, 1); - RREG32(mmHDP_DEBUG0); + if (!ring || !ring->funcs->emit_wreg) { + WREG32(mmHDP_DEBUG0, 1); + RREG32(mmHDP_DEBUG0); + } else { + amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1); + } } static const struct amdgpu_asic_funcs si_asic_funcs = |