bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-02 21:42:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amdgpu: move VM page tables to the LRU end on CS v2

Browse Source 
This makes it less likely to run into an ENOMEM because
VM page tables are evicted last.

v2: move the BOs in the LRU tail after validation

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2016-01-11 15:35:21 +01:00
committed by Alex Deucher
parent ab74961810
commit eceb8a1562
3 changed files with 35 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@@ -428,8 +428,10 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates);
error_validate:
if (r)
if (r) {
amdgpu_vm_move_pt_bos_in_lru(p->adev, &fpriv->vm);
ttm_eu_backoff_reservation(&p->ticket, &p->validated);
}
error_reserve:
if (need_mmap_lock)
@@ -473,8 +475,11 @@ static int cmp_size_smaller_first(void *priv, struct list_head *a,
**/
static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bool backoff)
{
struct amdgpu_fpriv *fpriv = parser->filp->driver_priv;
unsigned i;
amdgpu_vm_move_pt_bos_in_lru(parser->adev, &fpriv->vm);
if (!error) {
/* Sort the buffer list from the smallest to largest buffer,
* which affects the order of buffers in the LRU list.