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drm/amdgpu: Refactor amdgpu_move_blit

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Add more generic function amdgpu_copy_ttm_mem_to_mem() that supports
arbitrary copy size, offsets and two BOs (source & dest.).

This is useful for KFD Cross Memory Attach feature where data needs to
be copied from BOs from different processes

v2: Add struct amdgpu_copy_mem and changed amdgpu_copy_ttm_mem_to_mem()
function parameters to use the struct

v3: Minor function name change

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harish Kasiviswanathan
2017-10-03 15:41:56 -04:00
committed by Alex Deucher
parent 26eedf6dae
commit 1eca5a530d
2 changed files with 132 additions and 49 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
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@@ -58,6 +58,12 @@ struct amdgpu_mman {
struct amd_sched_entity entity;
};
struct amdgpu_copy_mem {
struct ttm_buffer_object *bo;
struct ttm_mem_reg *mem;
unsigned long offset;
};
extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
@@ -72,6 +78,12 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
struct reservation_object *resv,
struct dma_fence **fence, bool direct_submit,
bool vm_needs_flush);
int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
struct amdgpu_copy_mem *src,
struct amdgpu_copy_mem *dst,
uint64_t size,
struct reservation_object *resv,
struct dma_fence **f);
int amdgpu_fill_buffer(struct amdgpu_bo *bo,
uint64_t src_data,
struct reservation_object *resv,