diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-01-08 15:08:06 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-01-13 12:52:08 +0100 |
| commit | b100ed1ee8f27306be9ed523ebd5681acdd17134 (patch) | |
| tree | 6800c059b8913d203d7789b999b1f23750534fd4 /drivers/gpu/drm/vc4 | |
| parent | 0cf1d704048a52ead7366b9e763b1754a9352b56 (diff) | |
| download | lwn-b100ed1ee8f27306be9ed523ebd5681acdd17134.tar.gz lwn-b100ed1ee8f27306be9ed523ebd5681acdd17134.zip | |
drm/vc4: Use drm_gem_cma_vmap() directly
Validated shaders cannot be exported. There's no need for testing this in
the BO's vmap implementation. Call drm_gem_cma_vmap() directly instead.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210108140808.25775-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/vc4')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_bo.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 1 |
2 files changed, 1 insertions, 14 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index dc316cb79e00..eff12be616b0 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -386,7 +386,7 @@ static const struct drm_gem_object_funcs vc4_gem_object_funcs = { .free = vc4_free_object, .export = vc4_prime_export, .get_sg_table = drm_gem_cma_get_sg_table, - .vmap = vc4_prime_vmap, + .vmap = drm_gem_cma_vmap, .vm_ops = &vc4_vm_ops, }; @@ -785,18 +785,6 @@ int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) return drm_gem_prime_mmap(obj, vma); } -int vc4_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map) -{ - struct vc4_bo *bo = to_vc4_bo(obj); - - if (bo->validated_shader) { - DRM_DEBUG("mmaping of shader BOs not allowed.\n"); - return -EINVAL; - } - - return drm_gem_cma_vmap(obj, map); -} - struct drm_gem_object * vc4_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 051ad4e31e52..61848c6f85ad 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -808,7 +808,6 @@ int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); struct drm_gem_object *vc4_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); -int vc4_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); int vc4_bo_cache_init(struct drm_device *dev); int vc4_bo_inc_usecnt(struct vc4_bo *bo); void vc4_bo_dec_usecnt(struct vc4_bo *bo); |