diff options
author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-11-03 12:30:11 +0300 |
---|---|---|
committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-11-09 11:19:24 +0300 |
commit | 49a3f51dfeeecb52c5aa28c5cb9592fe5e39bf95 (patch) | |
tree | 60399216163b2213ccd45bdddc2dde62f6e0002d /drivers/gpu/drm/etnaviv | |
parent | 43676605f890b218e551f396a55dbaea7799acb4 (diff) | |
download | linux-49a3f51dfeeecb52c5aa28c5cb9592fe5e39bf95.tar.xz |
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
This patch replaces the vmap/vunmap's use of raw pointers in GEM object
functions with instances of struct dma_buf_map. GEM backends are
converted as well. For most of them, this simply changes the returned type.
TTM-based drivers now return information about the location of the memory,
either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap()
et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of
implementing their own vmap callbacks.
v7:
* init QXL cursor to mapped BO buffer (kernel test robot)
v5:
* update vkms after switch to shmem
v4:
* use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian)
* fix a trailing { in drm_gem_vmap()
* remove several empty functions instead of converting them (Daniel)
* comment uses of raw pointers with a TODO (Daniel)
* TODO list: convert more helpers to use struct dma_buf_map
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
-rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_drv.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 11 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index 9682c26d89bb..f5be627e1de0 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -51,7 +51,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma); int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset); struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj); -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj); +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c index a6d9932a32ae..d9bd83203a15 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c @@ -22,9 +22,16 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj) return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages); } -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj) +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) { - return etnaviv_gem_vmap(obj); + void *vaddr; + + vaddr = etnaviv_gem_vmap(obj); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + + return 0; } int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, |