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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-10-26 18:38:52 +0400
committerVille Syrjälä <ville.syrjala@linux.intel.com>2014-01-20 13:06:26 +0400
commit3c184f69917d16e295934fcbe0803355b544df64 (patch)
tree8858d539118e451ab576b08459d8a4d69ed822f9 /include/drm
parent77666b72260da3a5290471de77e2d2261244db83 (diff)
downloadlinux-3c184f69917d16e295934fcbe0803355b544df64.tar.xz
drm: Change {pixel,line,frame}dur_ns from s64 to int
Using s64 for the timestamping constants is wasteful. Signed 32bit integers get us a range of over +-2 seconds. Presuming that no-one wants to a vrefresh rate less than 0.5, we can switch to using int for the timestamping constants. We save a few bytes in drm_crtc and avoid a bunch of 64bit math. Reviewed-by: mario.kleiner.de@gmail.com Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_crtc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f32c5cd51f41..a158ec0f97ab 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -447,7 +447,7 @@ struct drm_crtc {
uint16_t *gamma_store;
/* Constants needed for precise vblank and swap timestamping. */
- s64 framedur_ns, linedur_ns, pixeldur_ns;
+ int framedur_ns, linedur_ns, pixeldur_ns;
/* if you are using the helper */
void *helper_private;