diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index a1e63ba4c54a..9a6507af1670 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -264,6 +264,9 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_str !(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC))) vma->vm_flags &= ~VM_MAYWRITE; + if (bo->kfd_bo) + vma->vm_flags |= VM_DONTCOPY; + return drm_gem_ttm_mmap(obj, vma); } @@ -877,6 +880,32 @@ out: return r; } +static int amdgpu_gem_align_pitch(struct amdgpu_device *adev, + int width, + int cpp, + bool tiled) +{ + int aligned = width; + int pitch_mask = 0; + + switch (cpp) { + case 1: + pitch_mask = 255; + break; + case 2: + pitch_mask = 127; + break; + case 3: + case 4: + pitch_mask = 63; + break; + } + + aligned += pitch_mask; + aligned &= ~pitch_mask; + return aligned * cpp; +} + int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args) @@ -885,7 +914,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct drm_gem_object *gobj; uint32_t handle; u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | - AMDGPU_GEM_CREATE_CPU_GTT_USWC; + AMDGPU_GEM_CREATE_CPU_GTT_USWC | + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; u32 domain; int r; @@ -897,8 +927,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, if (adev->mman.buffer_funcs_enabled) flags |= AMDGPU_GEM_CREATE_VRAM_CLEARED; - args->pitch = amdgpu_align_pitch(adev, args->width, - DIV_ROUND_UP(args->bpp, 8), 0); + args->pitch = amdgpu_gem_align_pitch(adev, args->width, + DIV_ROUND_UP(args->bpp, 8), 0); args->size = (u64)args->pitch * args->height; args->size = ALIGN(args->size, PAGE_SIZE); domain = amdgpu_bo_get_preferred_domain(adev, |