[PATCH] drm/amdgpu: set snooped flags only on system addresses v2
Alex Deucher
alexdeucher at gmail.com
Fri Dec 4 10:07:49 PST 2015
On Fri, Dec 4, 2015 at 7:32 AM, Christian König <deathsimple at vodafone.de> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> Not necessary for VRAM.
>
> v2: no need to check if ttm is NULL.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
Applied the series. thanks!
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 8051cb9..8a1752f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -801,11 +801,12 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
> if (mem && mem->mem_type != TTM_PL_SYSTEM)
> flags |= AMDGPU_PTE_VALID;
>
> - if (mem && mem->mem_type == TTM_PL_TT)
> + if (mem && mem->mem_type == TTM_PL_TT) {
> flags |= AMDGPU_PTE_SYSTEM;
>
> - if (!ttm || ttm->caching_state == tt_cached)
> - flags |= AMDGPU_PTE_SNOOPED;
> + if (ttm->caching_state == tt_cached)
> + flags |= AMDGPU_PTE_SNOOPED;
> + }
>
> if (adev->asic_type >= CHIP_TOPAZ)
> flags |= AMDGPU_PTE_EXECUTABLE;
> --
> 2.5.0
>
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