From 03f48dd5d2085b978353a804635b6d34e77a5635 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 15 Aug 2016 17:00:22 +0200 Subject: drm/amdgpu: add AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS flag v3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a flag noting that a BO must be created using linear VRAM and set this flag on all in kernel users where appropriate. Hopefully I haven't missed anything. v2: add it in a few more places, fix CPU mapping. v3: rename to VRAM_CONTIGUOUS, fix typo in CS code. Signed-off-by: Christian König Reviewed-by: Edward O'Callaghan Tested-by: Mike Lothian Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 7a8bfa34682f..a61f4186a7dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -146,7 +146,8 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device, switch(type) { case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: case CGS_GPU_MEM_TYPE__VISIBLE_FB: - flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; domain = AMDGPU_GEM_DOMAIN_VRAM; if (max_offset > adev->mc.real_vram_size) return -EINVAL; @@ -157,7 +158,8 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device, break; case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: case CGS_GPU_MEM_TYPE__INVISIBLE_FB: - flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS; + flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS | + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; domain = AMDGPU_GEM_DOMAIN_VRAM; if (adev->mc.visible_vram_size < adev->mc.real_vram_size) { place.fpfn = -- cgit v1.2.3