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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-09-14 21:43:45 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-24 20:14:21 +0200
commit20b2020334110f9afb8316ba158b9549f2f07ff9 (patch)
treec063a75c5dd44949bd32e578ba45c2362b9e1397 /drivers/gpu/drm/drm_irq.c
parentdrm: Stop using linedur_ns and pixeldur_ns for vblank timestamps (diff)
downloadlinux-20b2020334110f9afb8316ba158b9549f2f07ff9.tar.xz
linux-20b2020334110f9afb8316ba158b9549f2f07ff9.zip
drm: Kill pixeldur_ns
pixeldur_ns is now unsued, so kill it from drm_vblank_crtc. framedur_ns is also currently unused but we will have use for it in the near future so leave it be. linedur_ns is still used by nouveau for some internal delays. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 9fab3334eb6b..ac176027d889 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -604,7 +604,7 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode)
{
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
- int linedur_ns = 0, pixeldur_ns = 0, framedur_ns = 0;
+ int linedur_ns = 0, framedur_ns = 0;
int dotclock = mode->crtc_clock;
/* Valid dotclock? */
@@ -613,10 +613,9 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
/*
* Convert scanline length in pixels and video
- * dot clock to line duration, frame duration
- * and pixel duration in nanoseconds:
+ * dot clock to line duration and frame duration
+ * in nanoseconds:
*/
- pixeldur_ns = 1000000 / dotclock;
linedur_ns = div_u64((u64) mode->crtc_htotal * 1000000, dotclock);
framedur_ns = div_u64((u64) frame_size * 1000000, dotclock);
@@ -629,16 +628,14 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
DRM_ERROR("crtc %u: Can't calculate constants, dotclock = 0!\n",
crtc->base.id);
- vblank->pixeldur_ns = pixeldur_ns;
vblank->linedur_ns = linedur_ns;
vblank->framedur_ns = framedur_ns;
DRM_DEBUG("crtc %u: hwmode: htotal %d, vtotal %d, vdisplay %d\n",
crtc->base.id, mode->crtc_htotal,
mode->crtc_vtotal, mode->crtc_vdisplay);
- DRM_DEBUG("crtc %u: clock %d kHz framedur %d linedur %d, pixeldur %d\n",
- crtc->base.id, dotclock, framedur_ns,
- linedur_ns, pixeldur_ns);
+ DRM_DEBUG("crtc %u: clock %d kHz framedur %d linedur %d\n",
+ crtc->base.id, dotclock, framedur_ns, linedur_ns);
}
EXPORT_SYMBOL(drm_calc_timestamping_constants);