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Commit c5cb934e authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: disable HDP flushes on APUs 



We completely bypass the HDP now.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7ca85295

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

+10 −2
Original line number Diff line number Diff line
@@ -172,7 +172,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, 
		}

	}



	if (ring->funcs->emit_hdp_flush)

	if (ring->funcs->emit_hdp_flush

#ifdef CONFIG_X86_64

	    && !(adev->flags & AMD_IS_APU)

#endif

	   )

		amdgpu_ring_emit_hdp_flush(ring);



	skip_preamble = ring->current_ctx == fence_ctx;
@@ -202,7 +206,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, 
		need_ctx_switch = false;

	}



	if (ring->funcs->emit_hdp_invalidate)

	if (ring->funcs->emit_hdp_invalidate

#ifdef CONFIG_X86_64

	    && !(adev->flags & AMD_IS_APU)

#endif

	   )

		amdgpu_ring_emit_hdp_invalidate(ring);



	r = amdgpu_fence_emit(ring, f);