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drm/amdgpu: group BOs by log2 of the size on the LRU v2

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This allows us to have small BOs on the LRU before big ones.

v2: fix of by one and list corruption bug

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2016-04-15 17:19:16 +02:00
committed by Alex Deucher
parent 1359d6e494
commit 29b3259a3a
2 changed files with 70 additions and 2 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -393,6 +393,14 @@ unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
/*
* TTM.
*/
#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;
@@ -410,6 +418,9 @@ struct amdgpu_mman {
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];
};
int amdgpu_copy_buffer(struct amdgpu_ring *ring,