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drm/ttm: Make LRU removal optional v2

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We are already doing this for DMA-buf imports and also for
amdgpu VM BOs for quite a while now.

If this doesn't run into any problems we are probably going
to stop removing BOs from the LRU altogether.

v2: drop BUG_ON from ttm_bo_add_to_lru

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2019-05-10 14:15:08 +02:00
committed by Alex Deucher
parent 526c654a8a
commit 6e58ab7ac7
14 changed files with 46 additions and 35 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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@@ -585,7 +585,7 @@ static int reserve_bo_and_vm(struct kgd_mem *mem,
amdgpu_vm_get_pd_bo(vm, &ctx->list, &ctx->vm_pd[0]);
ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
false, &ctx->duplicates);
false, &ctx->duplicates, true);
if (!ret)
ctx->reserved = true;
else {
@@ -658,7 +658,7 @@ static int reserve_bo_and_cond_vms(struct kgd_mem *mem,
}
ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
false, &ctx->duplicates);
false, &ctx->duplicates, true);
if (!ret)
ctx->reserved = true;
else
@@ -1808,7 +1808,8 @@ static int validate_invalid_user_pages(struct amdkfd_process_info *process_info)
}
/* Reserve all BOs and page tables for validation */
ret = ttm_eu_reserve_buffers(&ticket, &resv_list, false, &duplicates);
ret = ttm_eu_reserve_buffers(&ticket, &resv_list, false, &duplicates,
true);
WARN(!list_empty(&duplicates), "Duplicates should be empty");
if (ret)
goto out_free;
@@ -2014,7 +2015,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
}
ret = ttm_eu_reserve_buffers(&ctx.ticket, &ctx.list,
false, &duplicate_save);
false, &duplicate_save, true);
if (ret) {
pr_debug("Memory eviction: TTM Reserve Failed. Try again\n");
goto ttm_reserve_fail;