The wb buffer is in system memory, not vram so the flush is useless. Cc: Frank Min <Frank.Min at amd.com> Reviewed-by: Christian König <christian.koenig at amd.com> Signed-off-by: Alex Deucher <alexander.deucher at amd.com> --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 660704d..c76727b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -313,7 +313,6 @@ static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) offset = adev->sdma.instance[i].poll_mem_offs; atomic64_set((atomic64_t *)&adev->wb.wb[offset], (ring->wptr << 2)); - nbio_v6_1_hdp_flush(adev); } } } -- 2.5.5
