summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/drm_irq.c
diff options
context:
space:
mode:
authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-10-26 17:22:52 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2014-01-20 11:05:52 +0200
commit21b21560e9f7be6c3f415dfd7a840f72a250255c (patch)
treee98883da4e8678ff9dc9112d2fc3fac5d07639d4 /drivers/gpu/drm/drm_irq.c
parentc326c0a9c98c06346dd7e37815c651e9382bb7a7 (diff)
drm: Improve drm_calc_timestamping_constants() documentation
Move the long blurp to into the body of the comment, leaving only a short summary line at the top. Reviewed-by: mario.kleiner.de@gmail.com Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index db93b07723dd..03f6a149b887 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -436,17 +436,16 @@ int drm_control(struct drm_device *dev, void *data,
}
/**
- * drm_calc_timestamping_constants - Calculate and
- * store various constants which are later needed by
- * vblank and swap-completion timestamping, e.g, by
- * drm_calc_vbltimestamp_from_scanoutpos().
- * They are derived from crtc's true scanout timing,
- * so they take things like panel scaling or other
- * adjustments into account.
+ * drm_calc_timestamping_constants - Calculate vblank timestamp constants
*
* @crtc drm_crtc whose timestamp constants should be updated.
* @mode display mode containing the scanout timings
*
+ * Calculate and store various constants which are later
+ * needed by vblank and swap-completion timestamping, e.g,
+ * by drm_calc_vbltimestamp_from_scanoutpos(). They are
+ * derived from crtc's true scanout timing, so they take
+ * things like panel scaling or other adjustments into account.
*/
void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode)