From c5cb934ebd4cfc007f81e0a36c504f33fa5b8361 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Fri, 17 Feb 2017 15:04:31 +0100 Subject: [PATCH] drm/amdgpu: disable HDP flushes on APUs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We completely bypass the HDP now. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index e02a70dd37b5..e357e42c10c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -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); -- 2.30.2