From: Christian König Date: Fri, 17 Feb 2017 14:04:31 +0000 (+0100) Subject: drm/amdgpu: disable HDP flushes on APUs X-Git-Tag: v5.15~11060^2~26^2~238 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5cb934ebd4cfc007f81e0a36c504f33fa5b8361;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: disable HDP flushes on APUs We completely bypass the HDP now. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index e02a70d..e357e42c 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);