diff options
Diffstat (limited to 'include/drm/drm_drv.h')
| -rw-r--r-- | include/drm/drm_drv.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 5699f42195fe..4e66fbb56773 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -120,16 +120,18 @@ struct drm_driver { * * Driver callback for fetching a raw hardware vblank counter for the * CRTC specified with the pipe argument. If a device doesn't have a - * hardware counter, the driver can simply use - * drm_vblank_no_hw_counter() function. The DRM core will account for - * missed vblank events while interrupts where disabled based on system - * timestamps. + * hardware counter, the driver can simply leave the hook as NULL. + * 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, as long as drivers call * drm_crtc_vblank_off() and drm_crtc_vblank_on() when disabling or * enabling a CRTC. * + * This is deprecated and should not be used by new drivers. + * Use &drm_crtc_funcs.get_vblank_counter instead. + * * Returns: * * Raw vblank counter value. @@ -142,6 +144,9 @@ struct drm_driver { * Enable vblank interrupts for the CRTC specified with the pipe * argument. * + * This is deprecated and should not be used by new drivers. + * Use &drm_crtc_funcs.enable_vblank instead. + * * Returns: * * Zero on success, appropriate errno if the given @crtc's vblank @@ -154,6 +159,9 @@ struct drm_driver { * * Disable vblank interrupts for the CRTC specified with the pipe * argument. + * + * This is deprecated and should not be used by new drivers. + * Use &drm_crtc_funcs.disable_vblank instead. */ void (*disable_vblank) (struct drm_device *dev, unsigned int pipe); |