diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pm.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pm.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index 261c0ad57b63..21964e4d09f8 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -280,3 +280,28 @@ int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold) return 0; } + +void xe_pm_d3cold_allowed_toggle(struct xe_device *xe) +{ + struct ttm_resource_manager *man; + u32 total_vram_used_mb = 0; + u64 vram_used; + int i; + + for (i = XE_PL_VRAM0; i <= XE_PL_VRAM1; ++i) { + man = ttm_manager_type(&xe->ttm, i); + if (man) { + vram_used = ttm_resource_manager_usage(man); + total_vram_used_mb += DIV_ROUND_UP_ULL(vram_used, 1024 * 1024); + } + } + + mutex_lock(&xe->d3cold.lock); + + if (total_vram_used_mb < xe->d3cold.vram_threshold) + xe->d3cold.allowed = true; + else + xe->d3cold.allowed = false; + + mutex_unlock(&xe->d3cold.lock); +} |