diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2017-02-07 17:16:15 +0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-07 21:45:02 +0100 |
| commit | 5ac74757eef78d69cd3aabe503b29aff471fdd56 (patch) | |
| tree | a7729f9fa952d58b6a58e0651bde691e10b77039 /drivers/gpu/drm/drm_irq.c | |
| parent | 967dd48417874dd25491a4e933648f394a64f70f (diff) | |
drm: unexport function drm_vblank_no_hw_counter()
The function drm_vblank_no_hw_counter() is now only used in core vblank
wrapper code. Let's unexport it by making it a static function.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1486458995-31018-4-git-send-email-shawnguo@kernel.org
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 646b3e57b9ad..1906723af389 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -89,6 +89,16 @@ static void store_vblank(struct drm_device *dev, unsigned int pipe, write_sequnlock(&vblank->seqlock); } +/* + * "No hw counter" fallback implementation of .get_vblank_counter() hook, + * if there is no useable hardware frame counter available. + */ +static u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe) +{ + WARN_ON_ONCE(dev->max_vblank_count != 0); + return 0; +} + static u32 __get_vblank_counter(struct drm_device *dev, unsigned int pipe) { if (drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -1748,21 +1758,3 @@ bool drm_crtc_handle_vblank(struct drm_crtc *crtc) return drm_handle_vblank(crtc->dev, drm_crtc_index(crtc)); } EXPORT_SYMBOL(drm_crtc_handle_vblank); - -/** - * drm_vblank_no_hw_counter - "No hw counter" implementation of .get_vblank_counter() - * @dev: DRM device - * @pipe: CRTC for which to read the counter - * - * Drivers can plug this into the .get_vblank_counter() function if - * there is no useable hardware frame counter available. - * - * Returns: - * 0 - */ -u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe) -{ - WARN_ON_ONCE(dev->max_vblank_count != 0); - return 0; -} -EXPORT_SYMBOL(drm_vblank_no_hw_counter); |