diff options
author | Shawn Guo <shawn.guo@linaro.org> | 2017-02-07 12:16:13 +0300 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-07 23:43:19 +0300 |
commit | 84e354839b158d87318eb7fa9828d52baceb23c3 (patch) | |
tree | 62060e4e2547b60aee8a7a2dfca0022696d91424 /include/drm/drm_drv.h | |
parent | da7bdda2afdf1ae58546218b50771c2c646bb079 (diff) | |
download | linux-84e354839b158d87318eb7fa9828d52baceb23c3.tar.xz |
drm: add vblank hooks to struct drm_crtc_funcs
The vblank is mostly CRTC specific and implemented as part of CRTC
driver. Let's keep the vblank hooks struct drm_driver for legacy
drivers, and add corresponding hooks in struct drm_crtc_funcs. These
hooks take struct drm_crtc pointer as argument, and will be called by
core vblank handling code for DRIVER_MODESET drivers.
The new hooks get plugged into core by adding wrapper functions for
vblank handling code. The .get_vblank_counter hook is effectively
optional, as we provide drm_vblank_no_hw_counter() as the default
fallback in the wrapper function.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1486458995-31018-2-git-send-email-shawnguo@kernel.org
Diffstat (limited to 'include/drm/drm_drv.h')
-rw-r--r-- | include/drm/drm_drv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 5699f42195fe..8f8b9a1e55e6 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -130,6 +130,9 @@ struct drm_driver { * 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 +145,9 @@ 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 +160,9 @@ 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); |