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>
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index f61a431..f20c4b7 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 =