From: Christian König Date: Fri, 15 Apr 2016 15:19:17 +0000 (+0200) Subject: drm/amdgpu: remove sorting of CS BOs X-Git-Tag: v4.7-rc1~77^2~23^2~83 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b76af4a41927994e130500659866efbd992deb9d;p=linux.git drm/amdgpu: remove sorting of CS BOs Not needed any more. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d7e0b0b9a1bc..2ebba295d0e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -24,7 +24,6 @@ * Authors: * Jerome Glisse */ -#include #include #include #include @@ -527,16 +526,6 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p) return 0; } -static int cmp_size_smaller_first(void *priv, struct list_head *a, - struct list_head *b) -{ - struct amdgpu_bo_list_entry *la = list_entry(a, struct amdgpu_bo_list_entry, tv.head); - struct amdgpu_bo_list_entry *lb = list_entry(b, struct amdgpu_bo_list_entry, tv.head); - - /* Sort A before B if A is smaller. */ - return (int)la->robj->tbo.num_pages - (int)lb->robj->tbo.num_pages; -} - /** * cs_parser_fini() - clean parser states * @parser: parser structure holding parsing context. @@ -553,18 +542,6 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo if (!error) { amdgpu_vm_move_pt_bos_in_lru(parser->adev, &fpriv->vm); - /* Sort the buffer list from the smallest to largest buffer, - * which affects the order of buffers in the LRU list. - * This assures that the smallest buffers are added first - * to the LRU list, so they are likely to be later evicted - * first, instead of large buffers whose eviction is more - * expensive. - * - * This slightly lowers the number of bytes moved by TTM - * per frame under memory pressure. - */ - list_sort(NULL, &parser->validated, cmp_size_smaller_first); - ttm_eu_fence_buffer_objects(&parser->ticket, &parser->validated, parser->fence);