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drm: unexport function drm_vblank_no_hw_counter()

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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
This commit is contained in:
Shawn Guo
2017-02-07 17:16:15 +08:00
committed by Daniel Vetter
parent 967dd48417
commit 5ac74757ee
3 changed files with 13 additions and 23 deletions
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7
include/drm/drm_drv.h
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@@ -120,10 +120,9 @@ 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