Re: [PATCH 3/5] drm/amd/amdgpu: add amdgpu_bo_gpu_accessible helper function

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 





On 2016年12月16日 01:10, Nicolai Hähnle wrote:
From: Nicolai Hähnle <nicolai.haehnle@xxxxxxx>

Signed-off-by: Nicolai Hähnle <nicolai.haehnle@xxxxxxx>
Reviewed-by: Chunming Zhou <david1.zhou@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 9 +++++++++
  1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 4306b2f..15a723a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -107,20 +107,29 @@ static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
   * amdgpu_bo_mmap_offset - return mmap offset of bo
   * @bo:	amdgpu object for which we query the offset
   *
   * Returns mmap offset of the object.
   */
  static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
  {
  	return drm_vma_node_offset_addr(&bo->tbo.vma_node);
  }
+/**
+ * amdgpu_bo_gpu_accessible - return whether the bo is currently in memory that
+ * is accessible to the GPU.
+ */
+static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo)
+{
+	return bo->tbo.mem.mem_type != TTM_PL_SYSTEM;
+}
+
  int amdgpu_bo_create(struct amdgpu_device *adev,
  			    unsigned long size, int byte_align,
  			    bool kernel, u32 domain, u64 flags,
  			    struct sg_table *sg,
  			    struct reservation_object *resv,
  			    struct amdgpu_bo **bo_ptr);
  int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
  				unsigned long size, int byte_align,
  				bool kernel, u32 domain, u64 flags,
  				struct sg_table *sg,

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux