iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/xe: Only zap PTEs as needed

Browse Source 
If PTEs are already invalidated no need to invalidate again.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240514232325.84508-1-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2024-05-14 16:23:25 -07:00
parent b31cfb47b2
commit c8ff26b82c
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/xe/xe_pt.c
View File

@ -812,8 +812,9 @@ bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma)
.tile = tile,
};
struct xe_pt *pt = xe_vma_vm(vma)->pt_root[tile->id];
u8 pt_mask = (vma->tile_present & ~vma->tile_invalidated);
if (!(vma->tile_present & BIT(tile->id)))
if (!(pt_mask & BIT(tile->id)))
return false;
(void)xe_pt_walk_shared(&pt->base, pt->level, xe_vma_start(vma),