From: Christian König <[email protected]> Same as amdgpu_bo_create_kernel, but keeps the BO reserved.
Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 48 +++++++++++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 4 +++ 2 files changed, 44 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 81d40e3..494b793 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -220,7 +220,7 @@ static void amdgpu_fill_placement_to_bo(struct amdgpu_bo *bo, } /** - * amdgpu_bo_create_kernel - create BO for kernel use + * amdgpu_bo_create_reserved - create reserved BO for kernel use * * @adev: amdgpu device object * @size: size for the new BO @@ -230,14 +230,15 @@ static void amdgpu_fill_placement_to_bo(struct amdgpu_bo *bo, * @gpu_addr: GPU addr of the pinned BO * @cpu_addr: optional CPU address mapping * - * Allocates and pins a BO for kernel internal use. + * Allocates and pins a BO for kernel internal use, and returns it still + * reserved. * * Returns 0 on success, negative error code otherwise. */ -int amdgpu_bo_create_kernel(struct amdgpu_device *adev, - unsigned long size, int align, - u32 domain, struct amdgpu_bo **bo_ptr, - u64 *gpu_addr, void **cpu_addr) +int amdgpu_bo_create_reserved(struct amdgpu_device *adev, + unsigned long size, int align, + u32 domain, struct amdgpu_bo **bo_ptr, + u64 *gpu_addr, void **cpu_addr) { bool free = false; int r; @@ -275,8 +276,6 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, } } - amdgpu_bo_unreserve(*bo_ptr); - return 0; error_unreserve: @@ -290,6 +289,39 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, } /** + * amdgpu_bo_create_kernel - create BO for kernel use + * + * @adev: amdgpu device object + * @size: size for the new BO + * @align: alignment for the new BO + * @domain: where to place it + * @bo_ptr: resulting BO + * @gpu_addr: GPU addr of the pinned BO + * @cpu_addr: optional CPU address mapping + * + * Allocates and pins a BO for kernel internal use. + * + * Returns 0 on success, negative error code otherwise. + */ +int amdgpu_bo_create_kernel(struct amdgpu_device *adev, + unsigned long size, int align, + u32 domain, struct amdgpu_bo **bo_ptr, + u64 *gpu_addr, void **cpu_addr) +{ + int r; + + r = amdgpu_bo_create_reserved(adev, size, align, domain, bo_ptr, + gpu_addr, cpu_addr); + + if (r) + return r; + + amdgpu_bo_unreserve(*bo_ptr); + + return 0; +} + +/** * amdgpu_bo_free_kernel - free BO for kernel use * * @bo: amdgpu BO to free diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 3b92d52..cbf6e6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -201,6 +201,10 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, struct ttm_placement *placement, struct reservation_object *resv, struct amdgpu_bo **bo_ptr); +int amdgpu_bo_create_reserved(struct amdgpu_device *adev, + unsigned long size, int align, + u32 domain, struct amdgpu_bo **bo_ptr, + u64 *gpu_addr, void **cpu_addr); int amdgpu_bo_create_kernel(struct amdgpu_device *adev, unsigned long size, int align, u32 domain, struct amdgpu_bo **bo_ptr, -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
