diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 702e5b89be22..2bdddb61ebd7 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -842,6 +842,10 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915) &to_gt(i915)->ggtt->userfault_list, userfault_link) __i915_gem_object_release_mmap_gtt(obj); + list_for_each_entry_safe(obj, on, + &to_gt(i915)->lmem_userfault_list, userfault_link) + i915_gem_object_runtime_pm_release_mmap_offset(obj); + /* * The fence will be lost when the device powers down. If any were * in use by hardware (i.e. they are pinned), we should not be powering @@ -885,7 +889,7 @@ static void discard_ggtt_vma(struct i915_vma *vma) struct i915_vma * i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj, struct i915_gem_ww_ctx *ww, - const struct i915_ggtt_view *view, + const struct i915_gtt_view *view, u64 size, u64 alignment, u64 flags) { struct drm_i915_private *i915 = to_i915(obj->base.dev); @@ -896,7 +900,7 @@ i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj, GEM_WARN_ON(!ww); if (flags & PIN_MAPPABLE && - (!view || view->type == I915_GGTT_VIEW_NORMAL)) { + (!view || view->type == I915_GTT_VIEW_NORMAL)) { /* * If the required space is larger than the available * aperture, we will not able to find a slot for the @@ -987,7 +991,7 @@ new_vma: struct i915_vma * __must_check i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, - const struct i915_ggtt_view *view, + const struct i915_gtt_view *view, u64 size, u64 alignment, u64 flags) { struct i915_gem_ww_ctx ww; @@ -1035,7 +1039,7 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, if (i915_gem_object_has_pages(obj) && i915_gem_object_is_tiled(obj) && - i915->quirks & QUIRK_PIN_SWIZZLED_PAGES) { + i915->gem_quirks & GEM_QUIRK_PIN_SWIZZLED_PAGES) { if (obj->mm.madv == I915_MADV_WILLNEED) { GEM_BUG_ON(!i915_gem_object_has_tiling_quirk(obj)); i915_gem_object_clear_tiling_quirk(obj); @@ -1085,14 +1089,50 @@ out: return err; } +/* + * A single pass should suffice to release all the freed objects (along most + * call paths), but be a little more paranoid in that freeing the objects does + * take a little amount of time, during which the rcu callbacks could have added + * new objects into the freed list, and armed the work again. + */ +void i915_gem_drain_freed_objects(struct drm_i915_private *i915) +{ + while (atomic_read(&i915->mm.free_count)) { + flush_work(&i915->mm.free_work); + flush_delayed_work(&i915->bdev.wq); + rcu_barrier(); + } +} + +/* + * Similar to objects above (see i915_gem_drain_freed-objects), in general we + * have workers that are armed by RCU and then rearm themselves in their + * callbacks. To be paranoid, we need to drain the workqueue a second time after + * waiting for the RCU grace period so that we catch work queued via RCU from + * the first pass. As neither drain_workqueue() nor flush_workqueue() report a + * result, we make an assumption that we only don't require more than 3 passes + * to catch all _recursive_ RCU delayed work. + */ +void i915_gem_drain_workqueue(struct drm_i915_private *i915) +{ + int i; + + for (i = 0; i < 3; i++) { + flush_workqueue(i915->wq); + rcu_barrier(); + i915_gem_drain_freed_objects(i915); + } + + drain_workqueue(i915->wq); +} + int i915_gem_init(struct drm_i915_private *dev_priv) { int ret; /* We need to fallback to 4K pages if host doesn't support huge gtt. */ if (intel_vgpu_active(dev_priv) && !intel_vgpu_has_huge_gtt(dev_priv)) - mkwrite_device_info(dev_priv)->page_sizes = - I915_GTT_PAGE_SIZE_4K; + RUNTIME_INFO(dev_priv)->page_sizes = I915_GTT_PAGE_SIZE_4K; ret = i915_gem_init_userptr(dev_priv); if (ret) @@ -1173,7 +1213,7 @@ void i915_gem_driver_unregister(struct drm_i915_private *i915) void i915_gem_driver_remove(struct drm_i915_private *dev_priv) { - intel_wakeref_auto_fini(&to_gt(dev_priv)->ggtt->userfault_wakeref); + intel_wakeref_auto_fini(&to_gt(dev_priv)->userfault_wakeref); i915_gem_suspend_late(dev_priv); intel_gt_driver_remove(to_gt(dev_priv)); @@ -1191,7 +1231,8 @@ void i915_gem_driver_release(struct drm_i915_private *dev_priv) intel_uc_cleanup_firmwares(&to_gt(dev_priv)->uc); - i915_gem_drain_freed_objects(dev_priv); + /* Flush any outstanding work, including i915_gem_context.release_work. */ + i915_gem_drain_workqueue(dev_priv); drm_WARN_ON(&dev_priv->drm, !list_empty(&dev_priv->gem.contexts.list)); } @@ -1213,7 +1254,7 @@ void i915_gem_init_early(struct drm_i915_private *dev_priv) i915_gem_init__mm(dev_priv); i915_gem_init__contexts(dev_priv); - spin_lock_init(&dev_priv->fb_tracking.lock); + spin_lock_init(&dev_priv->display.fb_tracking.lock); } void i915_gem_cleanup_early(struct drm_i915_private *dev_priv) |