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| author | Joseph Kogut <joseph.kogut@gmail.com> | 2021-04-23 04:02:44 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-04-26 18:19:23 +0200 |
| commit | 304a351957fccf0b2bb05c8c6e4097e9b1276ace (patch) | |
| tree | 361ec803101cb4f8ccba83a867bceba522fba3da /drivers/gpu/drm | |
| parent | drm: remove usage of drm_pci_alloc/free (diff) | |
| download | linux-304a351957fccf0b2bb05c8c6e4097e9b1276ace.tar.xz linux-304a351957fccf0b2bb05c8c6e4097e9b1276ace.zip | |
drm: remove legacy drm_pci_alloc/free abstraction
The drm_pci_alloc/free abstraction of the dma-api is no longer required,
remove it.
Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423020248.3427369-2-joseph.kogut@gmail.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_pci.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 2294a1580d35..1a1a2d4046e9 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -41,64 +41,6 @@ /* List of devices hanging off drivers with stealth attach. */ static LIST_HEAD(legacy_dev_list); static DEFINE_MUTEX(legacy_dev_list_lock); - -/** - * drm_pci_alloc - Allocate a PCI consistent memory block, for DMA. - * @dev: DRM device - * @size: size of block to allocate - * @align: alignment of block - * - * FIXME: This is a needless abstraction of the Linux dma-api and should be - * removed. - * - * Return: A handle to the allocated memory block on success or NULL on - * failure. - */ -drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align) -{ - drm_dma_handle_t *dmah; - - /* pci_alloc_consistent only guarantees alignment to the smallest - * PAGE_SIZE order which is greater than or equal to the requested size. - * Return NULL here for now to make sure nobody tries for larger alignment - */ - if (align > size) - return NULL; - - dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL); - if (!dmah) - return NULL; - - dmah->size = size; - dmah->vaddr = dma_alloc_coherent(dev->dev, size, - &dmah->busaddr, - GFP_KERNEL); - - if (dmah->vaddr == NULL) { - kfree(dmah); - return NULL; - } - - return dmah; -} -EXPORT_SYMBOL(drm_pci_alloc); - -/** - * drm_pci_free - Free a PCI consistent memory block - * @dev: DRM device - * @dmah: handle to memory block - * - * FIXME: This is a needless abstraction of the Linux dma-api and should be - * removed. - */ -void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) -{ - dma_free_coherent(dev->dev, dmah->size, dmah->vaddr, - dmah->busaddr); - kfree(dmah); -} - -EXPORT_SYMBOL(drm_pci_free); #endif static int drm_get_pci_domain(struct drm_device *dev) |