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sna: Skip performing an async flip after fixup 

After the first async failure and we fix up the CRTC, ordinary we queue
a no-op flip in order to queue the event. For async flips, we do not
want that event so just skip the flip.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-07-23 14:25:25 +01:00
parent 4153d4b430
commit d242965979
1 changed files with 7 additions and 2 deletions
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9
src/sna/sna_display.c
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@ -4892,14 +4892,13 @@ sna_crtc_flip(struct sna *sna, struct sna_crtc *crtc, struct kgem_bo *bo, int x,
arg.mode = crtc->kmode;
arg.mode_valid = 1;
DBG(("%s: applying crtc [%d, pipe=%d] mode=%dx%d+%d+%d@%d, fb=%d%s update to %d outputs [%d...]\n",
DBG(("%s: applying crtc [%d, pipe=%d] mode=%dx%d+%d+%d@%d, fb=%d across %d outputs [%d...]\n",
__FUNCTION__, crtc->id, crtc->pipe,
arg.mode.hdisplay,
arg.mode.vdisplay,
arg.x, arg.y,
arg.mode.clock,
arg.fb_id,
bo != crtc->bo ? " [shadow]" : "",
output_count, output_count ? output_ids[0] : 0));
if (drmIoctl(sna->kgem.fd, DRM_IOCTL_MODE_SETCRTC, &arg))
@ -4973,6 +4972,11 @@ fixup_flip:
crtc->bo = kgem_bo_reference(bo);
crtc->bo->active_scanout++;
if (data == NULL)
goto next_crtc;
/* queue a flip in order to send the event */
} else {
if (count && !xf86SetDesiredModes(sna->scrn)) {
xf86DrvMsg(sna->scrn->scrnIndex, X_ERROR,
@ -5044,6 +5048,7 @@ retry_flip:
sna->mode.flip_active++;
}
next_crtc:
count++;
}