mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
bb990bb092
Only allocate address space when we really need it. v2: fix a typo, add correct function description, stop leaking the node in the error case. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
90 lines
3 KiB
C
90 lines
3 KiB
C
/*
|
|
* Copyright 2016 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef __AMDGPU_TTM_H__
|
|
#define __AMDGPU_TTM_H__
|
|
|
|
#include "gpu_scheduler.h"
|
|
|
|
#define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
|
|
#define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
|
|
#define AMDGPU_PL_OA (TTM_PL_PRIV + 2)
|
|
|
|
#define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0)
|
|
#define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1)
|
|
#define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2)
|
|
|
|
#define AMDGPU_TTM_LRU_SIZE 20
|
|
|
|
struct amdgpu_mman_lru {
|
|
struct list_head *lru[TTM_NUM_MEM_TYPES];
|
|
struct list_head *swap_lru;
|
|
};
|
|
|
|
struct amdgpu_mman {
|
|
struct ttm_bo_global_ref bo_global_ref;
|
|
struct drm_global_reference mem_global_ref;
|
|
struct ttm_bo_device bdev;
|
|
bool mem_global_referenced;
|
|
bool initialized;
|
|
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
struct dentry *vram;
|
|
struct dentry *gtt;
|
|
#endif
|
|
|
|
/* buffer handling */
|
|
const struct amdgpu_buffer_funcs *buffer_funcs;
|
|
struct amdgpu_ring *buffer_funcs_ring;
|
|
/* Scheduler entity for buffer moves */
|
|
struct amd_sched_entity entity;
|
|
|
|
/* custom LRU management */
|
|
struct amdgpu_mman_lru log2_size[AMDGPU_TTM_LRU_SIZE];
|
|
/* guard for log2_size array, don't add anything in between */
|
|
struct amdgpu_mman_lru guard;
|
|
};
|
|
|
|
extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
|
|
|
|
int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man,
|
|
struct ttm_buffer_object *tbo,
|
|
const struct ttm_place *place,
|
|
struct ttm_mem_reg *mem);
|
|
|
|
int amdgpu_copy_buffer(struct amdgpu_ring *ring,
|
|
uint64_t src_offset,
|
|
uint64_t dst_offset,
|
|
uint32_t byte_count,
|
|
struct reservation_object *resv,
|
|
struct fence **fence, bool direct_submit);
|
|
int amdgpu_fill_buffer(struct amdgpu_bo *bo,
|
|
uint32_t src_data,
|
|
struct reservation_object *resv,
|
|
struct fence **fence);
|
|
|
|
int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
|
|
bool amdgpu_ttm_is_bound(struct ttm_tt *ttm);
|
|
int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem);
|
|
|
|
#endif
|