Lines Matching refs:mmu
94 struct panfrost_mmu *mmu,
100 ret = mmu_hw_do_operation_locked(pfdev, mmu->as, iova, size, op);
105 static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_mmu *mmu)
107 int as_nr = mmu->as;
108 struct io_pgtable_cfg *cfg = &mmu->pgtbl_cfg;
139 u32 panfrost_mmu_as_get(struct panfrost_device *pfdev, struct panfrost_mmu *mmu)
145 as = mmu->as;
147 int en = atomic_inc_return(&mmu->as_count);
155 list_move(&mmu->list, &pfdev->as_lru_list);
178 mmu->as = as;
180 atomic_set(&mmu->as_count, 1);
181 list_add(&mmu->list, &pfdev->as_lru_list);
183 dev_dbg(pfdev->dev, "Assigned AS%d to mmu %p, alloc_mask=%lx", as, mmu, pfdev->as_alloc_mask);
185 panfrost_mmu_enable(pfdev, mmu);
192 void panfrost_mmu_as_put(struct panfrost_device *pfdev, struct panfrost_mmu *mmu)
194 atomic_dec(&mmu->as_count);
195 WARN_ON(atomic_read(&mmu->as_count) < 0);
200 struct panfrost_mmu *mmu, *mmu_tmp;
206 list_for_each_entry_safe(mmu, mmu_tmp, &pfdev->as_lru_list, list) {
207 mmu->as = -1;
208 atomic_set(&mmu->as_count, 0);
209 list_del_init(&mmu->list);
227 struct panfrost_mmu *mmu,
230 if (mmu->as < 0)
237 mmu_hw_do_operation(pfdev, mmu, iova, size, AS_COMMAND_FLUSH_PT);
242 static int mmu_map_sg(struct panfrost_device *pfdev, struct panfrost_mmu *mmu,
247 struct io_pgtable_ops *ops = mmu->pgtbl_ops;
254 dev_dbg(pfdev->dev, "map: as=%d, iova=%llx, paddr=%lx, len=%zx", mmu->as, iova, paddr, len);
266 panfrost_mmu_flush_range(pfdev, mmu, start_iova, iova - start_iova);
289 mmu_map_sg(pfdev, mapping->mmu, mapping->mmnode.start << PAGE_SHIFT,
301 struct io_pgtable_ops *ops = mapping->mmu->pgtbl_ops;
310 mapping->mmu->as, iova, len);
324 panfrost_mmu_flush_range(pfdev, mapping->mmu,
334 //struct panfrost_mmu *mmu = cookie;
362 struct panfrost_mmu *mmu;
365 list_for_each_entry(mmu, &pfdev->as_lru_list, list) {
366 if (as == mmu->as)
373 spin_lock(&mmu->mm_lock);
375 drm_mm_for_each_node(node, &mmu->mm) {
385 spin_unlock(&mmu->mm_lock);
415 WARN_ON(bomapping->mmu->as != as);
478 mmu_map_sg(pfdev, bomapping->mmu, addr,
501 struct panfrost_mmu *mmu = container_of(kref, struct panfrost_mmu,
503 struct panfrost_device *pfdev = mmu->pfdev;
506 if (mmu->as >= 0) {
509 panfrost_mmu_disable(pfdev, mmu->as);
512 clear_bit(mmu->as, &pfdev->as_alloc_mask);
513 clear_bit(mmu->as, &pfdev->as_in_use_mask);
514 list_del(&mmu->list);
518 free_io_pgtable_ops(mmu->pgtbl_ops);
519 drm_mm_takedown(&mmu->mm);
520 kfree(mmu);
523 void panfrost_mmu_ctx_put(struct panfrost_mmu *mmu)
525 kref_put(&mmu->refcount, panfrost_mmu_release_ctx);
528 struct panfrost_mmu *panfrost_mmu_ctx_get(struct panfrost_mmu *mmu)
530 kref_get(&mmu->refcount);
532 return mmu;
563 struct panfrost_mmu *mmu;
565 mmu = kzalloc(sizeof(*mmu), GFP_KERNEL);
566 if (!mmu)
569 mmu->pfdev = pfdev;
570 spin_lock_init(&mmu->mm_lock);
573 drm_mm_init(&mmu->mm, SZ_32M >> PAGE_SHIFT, (SZ_4G - SZ_32M) >> PAGE_SHIFT);
574 mmu->mm.color_adjust = panfrost_drm_mm_color_adjust;
576 INIT_LIST_HEAD(&mmu->list);
577 mmu->as = -1;
579 mmu->pgtbl_cfg = (struct io_pgtable_cfg) {
588 mmu->pgtbl_ops = alloc_io_pgtable_ops(ARM_MALI_LPAE, &mmu->pgtbl_cfg,
589 mmu);
590 if (!mmu->pgtbl_ops) {
591 kfree(mmu);
595 kref_init(&mmu->refcount);
597 return mmu;
694 irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "mmu");
701 IRQF_SHARED, KBUILD_MODNAME "-mmu",
705 dev_err(pfdev->dev, "failed to request mmu irq");