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drm: Move timestamping constants into drm_vblank_crtc

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Collect the timestamping constants alongside the rest of the relevant
stuff under drm_vblank_crtc.

We can now get rid of the 'refcrtc' parameter to
drm_calc_vbltimestamp_from_scanoutpos().

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 22:43:43 +03:00
committed by Daniel Vetter
parent 942840371c
commit eba1f35dfe
7 changed files with 16 additions and 20 deletions
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16
drivers/gpu/drm/drm_irq.c
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@@ -603,6 +603,7 @@ int drm_control(struct drm_device *dev, void *data,
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 dotclock = mode->crtc_clock;
@@ -628,9 +629,9 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc,
DRM_ERROR("crtc %u: Can't calculate constants, dotclock = 0!\n",
crtc->base.id);
crtc->pixeldur_ns = pixeldur_ns;
crtc->linedur_ns = linedur_ns;
crtc->framedur_ns = framedur_ns;
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,
@@ -651,7 +652,6 @@ EXPORT_SYMBOL(drm_calc_timestamping_constants);
* @flags: Flags to pass to driver:
* 0 = Default,
* DRM_CALLED_FROM_VBLIRQ = If function is called from vbl IRQ handler
* @refcrtc: CRTC which defines scanout timing
* @mode: mode which defines the scanout timings
*
* Implements calculation of exact vblank timestamps from given drm_display_mode
@@ -692,9 +692,9 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
int *max_error,
struct timeval *vblank_time,
unsigned flags,
const struct drm_crtc *refcrtc,
const struct drm_display_mode *mode)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
struct timeval tv_etime;
ktime_t stime, etime;
int vbl_status;
@@ -714,9 +714,9 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
}
/* Durations of frames, lines, pixels in nanoseconds. */
framedur_ns = refcrtc->framedur_ns;
linedur_ns = refcrtc->linedur_ns;
pixeldur_ns = refcrtc->pixeldur_ns;
framedur_ns = vblank->framedur_ns;
linedur_ns = vblank->linedur_ns;
pixeldur_ns = vblank->pixeldur_ns;
/* If mode timing undefined, just return as no-op:
* Happens during initial modesetting of a crtc.