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drm: Kill pixeldur_ns

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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>
This commit is contained in:
Ville Syrjälä 2015-09-14 22:43:45 +03:00 committed by Daniel Vetter
parent 3bb403bf42
commit 20b2020334
2 changed files with 5 additions and 9 deletions
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13
drivers/gpu/drm/drm_irq.c
View file

@ -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);

1
include/drm/drmP.h
View file

@ -705,7 +705,6 @@ struct drm_vblank_crtc {
unsigned int pipe; /* crtc index */
int framedur_ns; /* frame/field duration in ns */
int linedur_ns; /* line duration in ns */
int pixeldur_ns; /* pixel duration in ns */
bool enabled; /* so we don't call enable more than
once per disable */
};