diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-04-15 20:39:34 +0300 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-04-16 13:37:31 +0300 |
| commit | bda438b8badc34d4752c46adf4ce0e5524e230ff (patch) | |
| tree | d6f38b126c6eaae5457b03af19bc4ef5d1fe07e1 /drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | |
| parent | 9e56d026c6be4ad124b47dc5ea000bbb888841e0 (diff) | |
| download | linux-bda438b8badc34d4752c46adf4ce0e5524e230ff.tar.xz | |
drm/xe: Add xe_ttm_vram_get_avail
The PF driver will need to know size of the remaining available
VRAM to estimate fair VRAM allocations that could be used across
all VFs in automatic VFs provisioning mode. Add helper function
for that. We will use it in upcoming patch.
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240415173937.1287-4-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_ttm_vram_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c index 0678faf83212..8a1f460ff20b 100644 --- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c @@ -478,3 +478,15 @@ void xe_ttm_vram_get_used(struct ttm_resource_manager *man, *used_visible = mgr->visible_size - mgr->visible_avail; mutex_unlock(&mgr->lock); } + +u64 xe_ttm_vram_get_avail(struct ttm_resource_manager *man) +{ + struct xe_ttm_vram_mgr *mgr = to_xe_ttm_vram_mgr(man); + u64 avail; + + mutex_lock(&mgr->lock); + avail = mgr->mm.avail; + mutex_unlock(&mgr->lock); + + return avail; +} |