No code changes, fixes doc build warnings and polish some doc text.
Reported-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
---
drivers/gpu/drm/drm_vblank.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index c781cb426bf1..51041eec0047 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -1238,12 +1238,15 @@ void drm_crtc_vblank_on(struct drm_crtc *crtc)
EXPORT_SYMBOL(drm_crtc_vblank_on);
/**
- * drm_vblank_restore - estimated vblanks using timestamps and update it.
+ * drm_vblank_restore - estimate missed vblanks and update vblank count.
+ * @dev: DRM device
+ * @pipe: CRTC index
*
* Power manamement features can cause frame counter resets between vblank
- * disable and enable. Drivers can then use this function in their
- * &drm_crtc_funcs.enable_vblank implementation to estimate the vblanks since
- * the last &drm_crtc_funcs.disable_vblank.
+ * disable and enable. Drivers can use this function in their
+ * &drm_crtc_funcs.enable_vblank implementation to estimate missed vblanks since
+ * the last &drm_crtc_funcs.disable_vblank using timestamps and update the
+ * vblank counter.
*
* This function is the legacy version of drm_crtc_vblank_restore().
*/
@@ -1284,11 +1287,14 @@ void drm_vblank_restore(struct drm_device *dev, unsigned int pipe)
EXPORT_SYMBOL(drm_vblank_restore);
/**
- * drm_crtc_vblank_restore - estimate vblanks using timestamps and update it.
+ * drm_crtc_vblank_restore - estimate missed vblanks and update vblank count.
+ * @crtc: CRTC in question
+ *
* Power manamement features can cause frame counter resets between vblank
- * disable and enable. Drivers can then use this function in their
- * &drm_crtc_funcs.enable_vblank implementation to estimate the vblanks since
- * the last &drm_crtc_funcs.disable_vblank.
+ * disable and enable. Drivers can use this function in their
+ * &drm_crtc_funcs.enable_vblank implementation to estimate missed vblanks since
+ * the last &drm_crtc_funcs.disable_vblank using timestamps and update the
+ * vblank counter.
*/
void drm_crtc_vblank_restore(struct drm_crtc *crtc)
{
--
2.14.1
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