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drm/shmem-helper: Refactor locked/unlocked functions
Add locked and remove unlocked postfixes from drm-shmem function names, making names consistent with the drm/gem core code. Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Suggested-by: Boris Brezillon <boris.brezillon@collabora.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.d> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250322212608.40511-6-dmitry.osipenko@collabora.com
This commit is contained in:
parent
1d23391d7e
commit
954907f714
@ -174,7 +174,7 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
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kfree(shmem->sgt);
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}
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if (shmem->pages)
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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drm_WARN_ON(obj->dev, shmem->pages_use_count);
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@ -186,7 +186,7 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_free);
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static int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem)
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static int drm_gem_shmem_get_pages_locked(struct drm_gem_shmem_object *shmem)
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{
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struct drm_gem_object *obj = &shmem->base;
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struct page **pages;
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@ -220,12 +220,12 @@ static int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem)
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}
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/*
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* drm_gem_shmem_put_pages - Decrease use count on the backing pages for a shmem GEM object
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* drm_gem_shmem_put_pages_locked - Decrease use count on the backing pages for a shmem GEM object
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* @shmem: shmem GEM object
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*
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* This function decreases the use count and puts the backing pages when use drops to zero.
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*/
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void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
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void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem)
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{
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struct drm_gem_object *obj = &shmem->base;
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@ -247,7 +247,7 @@ void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
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shmem->pages_mark_accessed_on_put);
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shmem->pages = NULL;
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_put_pages);
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EXPORT_SYMBOL_GPL(drm_gem_shmem_put_pages_locked);
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int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
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{
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@ -257,7 +257,7 @@ int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem)
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drm_WARN_ON(shmem->base.dev, drm_gem_is_imported(&shmem->base));
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ret = drm_gem_shmem_get_pages(shmem);
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ret = drm_gem_shmem_get_pages_locked(shmem);
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return ret;
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}
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@ -267,7 +267,7 @@ void drm_gem_shmem_unpin_locked(struct drm_gem_shmem_object *shmem)
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{
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dma_resv_assert_held(shmem->base.resv);
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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}
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EXPORT_SYMBOL(drm_gem_shmem_unpin_locked);
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@ -318,7 +318,7 @@ void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem)
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EXPORT_SYMBOL_GPL(drm_gem_shmem_unpin);
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/*
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* drm_gem_shmem_vmap - Create a virtual mapping for a shmem GEM object
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* drm_gem_shmem_vmap_locked - Create a virtual mapping for a shmem GEM object
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* @shmem: shmem GEM object
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* @map: Returns the kernel virtual address of the SHMEM GEM object's backing
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* store.
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@ -327,13 +327,13 @@ EXPORT_SYMBOL_GPL(drm_gem_shmem_unpin);
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* exists for the buffer backing the shmem GEM object. It hides the differences
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* between dma-buf imported and natively allocated objects.
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*
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* Acquired mappings should be cleaned up by calling drm_gem_shmem_vunmap().
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* Acquired mappings should be cleaned up by calling drm_gem_shmem_vunmap_locked().
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*
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* Returns:
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* 0 on success or a negative error code on failure.
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*/
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int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map)
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int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map)
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{
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struct drm_gem_object *obj = &shmem->base;
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int ret = 0;
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@ -356,7 +356,7 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
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return 0;
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}
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ret = drm_gem_shmem_get_pages(shmem);
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ret = drm_gem_shmem_get_pages_locked(shmem);
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if (ret)
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goto err_zero_use;
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@ -379,28 +379,28 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
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err_put_pages:
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if (!drm_gem_is_imported(obj))
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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err_zero_use:
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shmem->vmap_use_count = 0;
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return ret;
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_vmap);
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EXPORT_SYMBOL_GPL(drm_gem_shmem_vmap_locked);
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/*
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* drm_gem_shmem_vunmap - Unmap a virtual mapping for a shmem GEM object
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* drm_gem_shmem_vunmap_locked - Unmap a virtual mapping for a shmem GEM object
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* @shmem: shmem GEM object
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* @map: Kernel virtual address where the SHMEM GEM object was mapped
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*
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* This function cleans up a kernel virtual address mapping acquired by
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* drm_gem_shmem_vmap(). The mapping is only removed when the use count drops to
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* zero.
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* drm_gem_shmem_vmap_locked(). The mapping is only removed when the use count
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* drops to zero.
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*
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* This function hides the differences between dma-buf imported and natively
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* allocated objects.
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*/
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void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map)
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void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map)
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{
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struct drm_gem_object *obj = &shmem->base;
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@ -416,12 +416,12 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
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return;
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vunmap(shmem->vaddr);
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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}
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shmem->vaddr = NULL;
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_vunmap);
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EXPORT_SYMBOL_GPL(drm_gem_shmem_vunmap_locked);
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static int
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drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
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@ -449,7 +449,7 @@ drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
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/* Update madvise status, returns true if not purged, else
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* false or -errno.
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*/
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int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)
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int drm_gem_shmem_madvise_locked(struct drm_gem_shmem_object *shmem, int madv)
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{
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dma_resv_assert_held(shmem->base.resv);
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@ -460,9 +460,9 @@ int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)
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return (madv >= 0);
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_madvise);
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EXPORT_SYMBOL_GPL(drm_gem_shmem_madvise_locked);
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void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)
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void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem)
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{
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struct drm_gem_object *obj = &shmem->base;
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struct drm_device *dev = obj->dev;
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@ -476,7 +476,7 @@ void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)
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kfree(shmem->sgt);
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shmem->sgt = NULL;
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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shmem->madv = -1;
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@ -492,7 +492,7 @@ void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem)
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invalidate_mapping_pages(file_inode(obj->filp)->i_mapping, 0, (loff_t)-1);
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}
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EXPORT_SYMBOL_GPL(drm_gem_shmem_purge);
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EXPORT_SYMBOL_GPL(drm_gem_shmem_purge_locked);
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/**
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* drm_gem_shmem_dumb_create - Create a dumb shmem buffer object
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@ -589,7 +589,7 @@ static void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
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struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
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dma_resv_lock(shmem->base.resv, NULL);
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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dma_resv_unlock(shmem->base.resv);
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drm_gem_vm_close(vma);
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@ -639,7 +639,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
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return -EINVAL;
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dma_resv_lock(shmem->base.resv, NULL);
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ret = drm_gem_shmem_get_pages(shmem);
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ret = drm_gem_shmem_get_pages_locked(shmem);
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dma_resv_unlock(shmem->base.resv);
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if (ret)
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@ -707,7 +707,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_
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drm_WARN_ON(obj->dev, drm_gem_is_imported(obj));
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ret = drm_gem_shmem_get_pages(shmem);
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ret = drm_gem_shmem_get_pages_locked(shmem);
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if (ret)
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return ERR_PTR(ret);
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@ -729,7 +729,7 @@ static struct sg_table *drm_gem_shmem_get_pages_sgt_locked(struct drm_gem_shmem_
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sg_free_table(sgt);
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kfree(sgt);
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err_put_pages:
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drm_gem_shmem_put_pages(shmem);
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drm_gem_shmem_put_pages_locked(shmem);
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return ERR_PTR(ret);
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}
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@ -203,7 +203,7 @@ pvr_gem_object_vmap(struct pvr_gem_object *pvr_obj)
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dma_resv_lock(obj->resv, NULL);
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err = drm_gem_shmem_vmap(shmem_obj, &map);
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err = drm_gem_shmem_vmap_locked(shmem_obj, &map);
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if (err)
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goto err_unlock;
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@ -257,7 +257,7 @@ pvr_gem_object_vunmap(struct pvr_gem_object *pvr_obj)
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dma_sync_sgtable_for_device(dev, shmem_obj->sgt, DMA_BIDIRECTIONAL);
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}
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drm_gem_shmem_vunmap(shmem_obj, &map);
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drm_gem_shmem_vunmap_locked(shmem_obj, &map);
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dma_resv_unlock(obj->resv);
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}
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@ -195,7 +195,7 @@ static int lima_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
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if (bo->heap_size)
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return -EINVAL;
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return drm_gem_shmem_vmap(&bo->base, map);
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return drm_gem_shmem_vmap_locked(&bo->base, map);
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}
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static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
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@ -476,7 +476,7 @@ static int panfrost_ioctl_madvise(struct drm_device *dev, void *data,
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}
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}
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args->retained = drm_gem_shmem_madvise(&bo->base, args->madv);
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args->retained = drm_gem_shmem_madvise_locked(&bo->base, args->madv);
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if (args->retained) {
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if (args->madv == PANFROST_MADV_DONTNEED)
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@ -51,7 +51,7 @@ static bool panfrost_gem_purge(struct drm_gem_object *obj)
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goto unlock_mappings;
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panfrost_gem_teardown_mappings_locked(bo);
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drm_gem_shmem_purge(&bo->base);
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drm_gem_shmem_purge_locked(&bo->base);
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ret = true;
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dma_resv_unlock(shmem->base.resv);
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@ -173,7 +173,7 @@ static void drm_gem_shmem_test_vmap(struct kunit *test)
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ret = kunit_add_action_or_reset(test, drm_gem_shmem_free_wrapper, shmem);
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KUNIT_ASSERT_EQ(test, ret, 0);
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ret = drm_gem_shmem_vmap(shmem, &map);
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ret = drm_gem_shmem_vmap_locked(shmem, &map);
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KUNIT_ASSERT_EQ(test, ret, 0);
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KUNIT_ASSERT_NOT_NULL(test, shmem->vaddr);
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KUNIT_ASSERT_FALSE(test, iosys_map_is_null(&map));
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@ -183,7 +183,7 @@ static void drm_gem_shmem_test_vmap(struct kunit *test)
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for (i = 0; i < TEST_SIZE; i++)
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KUNIT_EXPECT_EQ(test, iosys_map_rd(&map, i, u8), TEST_BYTE);
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drm_gem_shmem_vunmap(shmem, &map);
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drm_gem_shmem_vunmap_locked(shmem, &map);
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KUNIT_EXPECT_NULL(test, shmem->vaddr);
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KUNIT_EXPECT_EQ(test, shmem->vmap_use_count, 0);
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}
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@ -281,17 +281,17 @@ static void drm_gem_shmem_test_madvise(struct kunit *test)
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ret = kunit_add_action_or_reset(test, drm_gem_shmem_free_wrapper, shmem);
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KUNIT_ASSERT_EQ(test, ret, 0);
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ret = drm_gem_shmem_madvise(shmem, 1);
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ret = drm_gem_shmem_madvise_locked(shmem, 1);
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KUNIT_EXPECT_TRUE(test, ret);
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KUNIT_ASSERT_EQ(test, shmem->madv, 1);
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/* Set madv to a negative value */
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ret = drm_gem_shmem_madvise(shmem, -1);
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ret = drm_gem_shmem_madvise_locked(shmem, -1);
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KUNIT_EXPECT_FALSE(test, ret);
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KUNIT_ASSERT_EQ(test, shmem->madv, -1);
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/* Check that madv cannot be set back to a positive value */
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ret = drm_gem_shmem_madvise(shmem, 0);
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ret = drm_gem_shmem_madvise_locked(shmem, 0);
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KUNIT_EXPECT_FALSE(test, ret);
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KUNIT_ASSERT_EQ(test, shmem->madv, -1);
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}
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@ -319,7 +319,7 @@ static void drm_gem_shmem_test_purge(struct kunit *test)
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ret = drm_gem_shmem_is_purgeable(shmem);
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KUNIT_EXPECT_FALSE(test, ret);
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ret = drm_gem_shmem_madvise(shmem, 1);
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ret = drm_gem_shmem_madvise_locked(shmem, 1);
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KUNIT_EXPECT_TRUE(test, ret);
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/* The scatter/gather table will be freed by drm_gem_shmem_free */
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@ -329,7 +329,7 @@ static void drm_gem_shmem_test_purge(struct kunit *test)
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ret = drm_gem_shmem_is_purgeable(shmem);
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KUNIT_EXPECT_TRUE(test, ret);
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drm_gem_shmem_purge(shmem);
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drm_gem_shmem_purge_locked(shmem);
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KUNIT_EXPECT_NULL(test, shmem->pages);
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KUNIT_EXPECT_NULL(test, shmem->sgt);
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KUNIT_EXPECT_EQ(test, shmem->madv, -1);
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@ -102,19 +102,19 @@ struct drm_gem_shmem_object *drm_gem_shmem_create_with_mnt(struct drm_device *de
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struct vfsmount *gemfs);
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void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem);
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void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem);
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void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem);
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int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem);
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void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem);
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int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map);
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void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map);
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int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map);
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void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
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struct iosys_map *map);
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int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct *vma);
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int drm_gem_shmem_pin_locked(struct drm_gem_shmem_object *shmem);
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void drm_gem_shmem_unpin_locked(struct drm_gem_shmem_object *shmem);
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int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
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int drm_gem_shmem_madvise_locked(struct drm_gem_shmem_object *shmem, int madv);
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static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem)
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{
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@ -123,7 +123,7 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem
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!shmem->base.dma_buf && !drm_gem_is_imported(&shmem->base);
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}
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void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
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void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem);
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struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem);
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struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem);
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@ -214,12 +214,12 @@ static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_
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}
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/*
|
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* drm_gem_shmem_object_vmap - GEM object function for drm_gem_shmem_vmap()
|
||||
* drm_gem_shmem_object_vmap - GEM object function for drm_gem_shmem_vmap_locked()
|
||||
* @obj: GEM object
|
||||
* @map: Returns the kernel virtual address of the SHMEM GEM object's backing store.
|
||||
*
|
||||
* This function wraps drm_gem_shmem_vmap(). Drivers that employ the shmem helpers should
|
||||
* use it as their &drm_gem_object_funcs.vmap handler.
|
||||
* This function wraps drm_gem_shmem_vmap_locked(). Drivers that employ the shmem
|
||||
* helpers should use it as their &drm_gem_object_funcs.vmap handler.
|
||||
*
|
||||
* Returns:
|
||||
* 0 on success or a negative error code on failure.
|
||||
@ -229,7 +229,7 @@ static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj,
|
||||
{
|
||||
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
|
||||
|
||||
return drm_gem_shmem_vmap(shmem, map);
|
||||
return drm_gem_shmem_vmap_locked(shmem, map);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -237,15 +237,15 @@ static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj,
|
||||
* @obj: GEM object
|
||||
* @map: Kernel virtual address where the SHMEM GEM object was mapped
|
||||
*
|
||||
* This function wraps drm_gem_shmem_vunmap(). Drivers that employ the shmem helpers should
|
||||
* use it as their &drm_gem_object_funcs.vunmap handler.
|
||||
* This function wraps drm_gem_shmem_vunmap_locked(). Drivers that employ the shmem
|
||||
* helpers should use it as their &drm_gem_object_funcs.vunmap handler.
|
||||
*/
|
||||
static inline void drm_gem_shmem_object_vunmap(struct drm_gem_object *obj,
|
||||
struct iosys_map *map)
|
||||
{
|
||||
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
|
||||
|
||||
drm_gem_shmem_vunmap(shmem, map);
|
||||
drm_gem_shmem_vunmap_locked(shmem, map);
|
||||
}
|
||||
|
||||
/**
|
||||
|
Loading…
Reference in New Issue
Block a user