iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: introduce struct amdgpu_bo_user

Browse Source 
Implement a new struct amdgpu_bo_user as subclass of
struct amdgpu_bo and a function to created amdgpu_bo_user
bo with a flag to identify the owner.

v2: amdgpu_bo_to_amdgpu_bo_user -> to_amdgpu_bo_user()

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das
2021-03-05 13:00:22 +01:00
committed by Alex Deucher
parent 9fd5543e95
commit 9ad0d033ed
2 changed files with 42 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -694,6 +694,34 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
return r; return r;
} }
/**
* amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
* @adev: amdgpu device object
* @bp: parameters to be used for the buffer object
* @ubo_ptr: pointer to the buffer object pointer
*
* Create a BO to be used by user application;
*
* Returns:
* 0 for success or a negative error code on failure.
*/
int amdgpu_bo_create_user(struct amdgpu_device *adev,
struct amdgpu_bo_param *bp,
struct amdgpu_bo_user **ubo_ptr)
{
struct amdgpu_bo *bo_ptr;
int r;
bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
bp->bo_ptr_size = sizeof(struct amdgpu_bo_user);
r = amdgpu_bo_do_create(adev, bp, &bo_ptr);
if (r)
return r;
*ubo_ptr = to_amdgpu_bo_user(bo_ptr);
return r;
}
/** /**
* amdgpu_bo_validate - validate an &amdgpu_bo buffer object * amdgpu_bo_validate - validate an &amdgpu_bo buffer object
* @bo: pointer to the buffer object * @bo: pointer to the buffer object

14
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -37,6 +37,8 @@
#define AMDGPU_BO_INVALID_OFFSET LONG_MAX #define AMDGPU_BO_INVALID_OFFSET LONG_MAX
#define AMDGPU_BO_MAX_PLACEMENTS 3 #define AMDGPU_BO_MAX_PLACEMENTS 3
#define to_amdgpu_bo_user(abo) container_of((abo), struct amdgpu_bo_user, bo)
struct amdgpu_bo_param { struct amdgpu_bo_param {
unsigned long size; unsigned long size;
int byte_align; int byte_align;
@ -112,6 +114,15 @@ struct amdgpu_bo {
struct kgd_mem *kfd_bo; struct kgd_mem *kfd_bo;
}; };
struct amdgpu_bo_user {
struct amdgpu_bo bo;
u64 tiling_flags;
u64 metadata_flags;
void *metadata;
u32 metadata_size;
};
static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo) static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
{ {
return container_of(tbo, struct amdgpu_bo, tbo); return container_of(tbo, struct amdgpu_bo, tbo);
@ -255,6 +266,9 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev, int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
uint64_t offset, uint64_t size, uint32_t domain, uint64_t offset, uint64_t size, uint32_t domain,
struct amdgpu_bo **bo_ptr, void **cpu_addr); struct amdgpu_bo **bo_ptr, void **cpu_addr);
int amdgpu_bo_create_user(struct amdgpu_device *adev,
struct amdgpu_bo_param *bp,
struct amdgpu_bo_user **ubo_ptr);
void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr, void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
void **cpu_addr); void **cpu_addr);
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr); int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);