diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 8e59e65efd44..4324184996a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1715,6 +1715,27 @@ static void cik_detect_hw_virtualization(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } +static void cik_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring) +{ + 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 cik_invalidate_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + 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 cik_asic_funcs = { .read_disabled_bios = &cik_read_disabled_bios, @@ -1726,6 +1747,8 @@ static const struct amdgpu_asic_funcs cik_asic_funcs = .set_uvd_clocks = &cik_set_uvd_clocks, .set_vce_clocks = &cik_set_vce_clocks, .get_config_memsize = &cik_get_config_memsize, + .flush_hdp = &cik_flush_hdp, + .invalidate_hdp = &cik_invalidate_hdp, }; static int cik_common_early_init(void *handle) |