static struct _WsbmMMNode *
wsbmMMSplitAtStart(struct _WsbmMMNode *parent, unsigned long size)
{
struct _WsbmMMNode *child;
child = (struct _WsbmMMNode *)malloc(sizeof(*child));
if (!child)
return NULL;
WSBMINITLISTHEAD(&child->fl_entry);
child->free = 0;
child->size = size;
child->start = parent->start;
child->mm = parent->mm;
WSBMLISTADDTAIL(&child->ml_entry, &parent->ml_entry);
WSBMINITLISTHEAD(&child->fl_entry);
parent->size -= size;
parent->start += size;
return child;
}
void
xorg_crtc_init(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
xf86CrtcPtr crtc;
drmModeResPtr res;
drmModeCrtcPtr drm_crtc = NULL;
struct crtc_private *crtcp;
int c;
res = drmModeGetResources(ms->fd);
if (res == 0) {
ErrorF("Failed drmModeGetResources %d\n", errno);
return;
}
for (c = 0; c < res->count_crtcs; c++) {
drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
if (!drm_crtc)
continue;
crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
if (crtc == NULL)
goto out;
crtcp = calloc(1, sizeof(struct crtc_private));
if (!crtcp) {
xf86CrtcDestroy(crtc);
goto out;
}
crtcp->drm_crtc = drm_crtc;
crtcp->entry.pixmap = NULL;
WSBMINITLISTHEAD(&crtcp->entry.scanout_head);
crtc->driver_private = crtcp;
}
out:
drmModeFreeResources(res);
}
