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drm/amdgpu: remove sorting of CS BOs

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Not needed any more.

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 17:19:17 +02:00 committed by Alex Deucher
parent 29b3259a3a
commit b76af4a419
1 changed files with 0 additions and 23 deletions
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23
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -24,7 +24,6 @@
* Authors:
* Jerome Glisse <glisse@freedesktop.org>
*/
#include <linux/list_sort.h>
#include <linux/pagemap.h>
#include <drm/drmP.h>
#include <drm/amdgpu_drm.h>
@ -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);