diff options
Diffstat (limited to 'include/drm/drm_crtc.h')
| -rw-r--r-- | include/drm/drm_crtc.h | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 8f0b195e4a59..cba29ffedafd 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -155,10 +155,17 @@ struct drm_crtc_state { * Target vertical blank period when a page flip * should take effect. */ - u32 target_vblank; /** + * @pageflip_flags: + * + * DRM_MODE_PAGE_FLIP_* flags, as passed to the page flip ioctl. + * Zero in any other case. + */ + u32 pageflip_flags; + + /** * @event: * * Optional pointer to a DRM event to signal upon completion of the @@ -601,6 +608,50 @@ struct drm_crtc_funcs { */ void (*atomic_print_state)(struct drm_printer *p, const struct drm_crtc_state *state); + + /** + * @get_vblank_counter: + * + * Driver callback for fetching a raw hardware vblank counter for the + * CRTC. It's meant to be used by new drivers as the replacement of + * &drm_driver.get_vblank_counter hook. + * + * This callback is optional. If a device doesn't have a 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. + * + * Returns: + * + * Raw vblank counter value. + */ + u32 (*get_vblank_counter)(struct drm_crtc *crtc); + + /** + * @enable_vblank: + * + * Enable vblank interrupts for the CRTC. It's meant to be used by + * new drivers as the replacement of &drm_driver.enable_vblank hook. + * + * Returns: + * + * Zero on success, appropriate errno if the vblank interrupt cannot + * be enabled. + */ + int (*enable_vblank)(struct drm_crtc *crtc); + + /** + * @disable_vblank: + * + * Disable vblank interrupts for the CRTC. It's meant to be used by + * new drivers as the replacement of &drm_driver.disable_vblank hook. + */ + void (*disable_vblank)(struct drm_crtc *crtc); }; /** @@ -725,6 +776,7 @@ struct drm_crtc { * Debugfs directory for this CRTC. */ struct dentry *debugfs_entry; +#endif /** * @crc: @@ -732,7 +784,6 @@ struct drm_crtc { * Configuration settings of CRC capture. */ struct drm_crtc_crc crc; -#endif /** * @fence_context: |