From e9c7577c09b5062a4f1464b8ef4472c14bdfd2e7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 11 Sep 2017 17:29:26 +0200 Subject: [PATCH] drm/amdgpu: simplify pinning into visible VRAM MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Just set the CPU access required flag when we pin it. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 726a662..6982bae 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -635,7 +635,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int r, i; - unsigned fpfn, lpfn; if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) return -EPERM; @@ -667,22 +666,16 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, } bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; + /* force to pin into visible video ram */ + if (!(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)) + bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; amdgpu_ttm_placement_from_domain(bo, domain); for (i = 0; i < bo->placement.num_placement; i++) { - /* force to pin into visible video ram */ - if ((bo->placements[i].flags & TTM_PL_FLAG_VRAM) && - !(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) && - (!max_offset || max_offset > - adev->mc.visible_vram_size)) { - if (WARN_ON_ONCE(min_offset > - adev->mc.visible_vram_size)) - return -EINVAL; - fpfn = min_offset >> PAGE_SHIFT; - lpfn = adev->mc.visible_vram_size >> PAGE_SHIFT; - } else { - fpfn = min_offset >> PAGE_SHIFT; - lpfn = max_offset >> PAGE_SHIFT; - } + unsigned fpfn, lpfn; + + fpfn = min_offset >> PAGE_SHIFT; + lpfn = max_offset >> PAGE_SHIFT; + if (fpfn > bo->placements[i].fpfn) bo->placements[i].fpfn = fpfn; if (!bo->placements[i].lpfn || -- 2.7.4