diff options
Diffstat (limited to 'include/drm/drmP.h')
| -rw-r--r-- | include/drm/drmP.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index efd12490376..31ad880ca2e 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -755,11 +755,11 @@ struct drm_driver { * @dev: DRM device * @crtc: counter to fetch * - * Driver callback for fetching a raw hardware vblank counter - * for @crtc. If a device doesn't have a hardware counter, the - * driver can simply return the value of drm_vblank_count and - * make the enable_vblank() and disable_vblank() hooks into no-ops, - * leaving interrupts enabled at all times. + * Driver callback for fetching a raw hardware vblank counter for @crtc. + * If a device doesn't have a hardware counter, the driver can simply + * return the value of drm_vblank_count. The DRM core will account for + * missed vblank events while interrupts where disabled based on system + * timestamps. * * Wraparound handling and loss of events due to modesetting is dealt * with in the DRM core code. @@ -941,7 +941,7 @@ struct drm_driver { uint32_t handle); /* Driver private ops for this object */ - struct vm_operations_struct *gem_vm_ops; + const struct vm_operations_struct *gem_vm_ops; int major; int minor; @@ -1558,6 +1558,8 @@ extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages, + dma_addr_t *addrs, int max_pages); extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages); extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); |