diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-02-02 20:16:32 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-02-05 02:57:26 +0300 |
| commit | 8e4ff9b569572880b65d58976bb701a40ef1d9c4 (patch) | |
| tree | 914eda35fd9a24e7709856db81cadfea08c1d7d2 /drivers/gpu/drm/drm_bufs.c | |
| parent | ea36ec8623f56791c6ff6738d0509b7920f85220 (diff) | |
| download | linux-8e4ff9b569572880b65d58976bb701a40ef1d9c4.tar.xz | |
drm: Remove the dma_alloc_coherent wrapper for internal usage
Internally for "consistent" maps, we create a temporary struct
drm_dma_handle in order to use our own dma_alloc_coherent wrapper then
destroy the temporary wrap. Simplify our logic by removing the temporary
wrapper!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200202171635.4039044-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_bufs.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index 8ce9d73fab4f..19297e58b232 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -149,7 +149,6 @@ static int drm_addmap_core(struct drm_device *dev, resource_size_t offset, { struct drm_local_map *map; struct drm_map_list *list; - drm_dma_handle_t *dmah; unsigned long user_token; int ret; @@ -324,14 +323,14 @@ static int drm_addmap_core(struct drm_device *dev, resource_size_t offset, * As we're limiting the address to 2^32-1 (or less), * casting it down to 32 bits is no problem, but we * need to point to a 64bit variable first. */ - dmah = drm_pci_alloc(dev, map->size, map->size); - if (!dmah) { + map->handle = dma_alloc_coherent(&dev->pdev->dev, + map->size, + &map->offset, + GFP_KERNEL); + if (!map->handle) { kfree(map); return -ENOMEM; } - map->handle = dmah->vaddr; - map->offset = (unsigned long)dmah->busaddr; - kfree(dmah); break; default: kfree(map); @@ -513,7 +512,6 @@ int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data, int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map) { struct drm_map_list *r_list = NULL, *list_t; - drm_dma_handle_t dmah; int found = 0; struct drm_master *master; @@ -554,10 +552,10 @@ int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map) case _DRM_SCATTER_GATHER: break; case _DRM_CONSISTENT: - dmah.vaddr = map->handle; - dmah.busaddr = map->offset; - dmah.size = map->size; - __drm_legacy_pci_free(dev, &dmah); + dma_free_coherent(&dev->pdev->dev, + map->size, + map->handle, + map->offset); break; } kfree(map); |