static Bool
xf86RandR12CrtcSet (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
RRModePtr randr_mode,
int x,
int y,
Rotation rotation,
int num_randr_outputs,
RROutputPtr *randr_outputs)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
Bool changed = FALSE;
int o, ro;
xf86CrtcPtr *save_crtcs;
Bool save_enabled = crtc->enabled;
save_crtcs = ALLOCATE_LOCAL(config->num_output * sizeof (xf86CrtcPtr));
if ((randr_mode != NULL) != crtc->enabled)
changed = TRUE;
else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
changed = TRUE;
if (rotation != crtc->rotation)
changed = TRUE;
if (x != crtc->x || y != crtc->y)
changed = TRUE;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
xf86CrtcPtr new_crtc;
save_crtcs[o] = output->crtc;
if (output->crtc == crtc)
new_crtc = NULL;
else
new_crtc = output->crtc;
for (ro = 0; ro < num_randr_outputs; ro++)
if (output->randr_output == randr_outputs[ro])
{
new_crtc = crtc;
break;
}
if (new_crtc != output->crtc)
{
changed = TRUE;
output->crtc = new_crtc;
}
}
for (ro = 0; ro < num_randr_outputs; ro++)
if (randr_outputs[ro]->pendingProperties)
changed = TRUE;
/* XXX need device-independent mode setting code through an API */
if (changed)
{
crtc->enabled = randr_mode != NULL;
if (randr_mode)
{
DisplayModeRec mode;
xf86RandRModeConvert (pScrn, randr_mode, &mode);
if (!xf86CrtcSetMode (crtc, &mode, rotation, x, y))
{
crtc->enabled = save_enabled;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
output->crtc = save_crtcs[o];
}
DEALLOCATE_LOCAL(save_crtcs);
return FALSE;
}
/*
* Save the last successful setting for EnterVT
*/
crtc->desiredMode = mode;
crtc->desiredRotation = rotation;
crtc->desiredX = x;
crtc->desiredY = y;
}
xf86DisableUnusedFunctions (pScrn);
}
DEALLOCATE_LOCAL(save_crtcs);
return xf86RandR12CrtcNotify (randr_crtc);
}
static Bool
G80SorSetProperty(xf86OutputPtr output, Atom prop, RRPropertyValuePtr val)
{
G80OutputPrivPtr pPriv = output->driver_private;
if(prop == properties.dither.atom) {
INT32 i;
if(val->type != XA_INTEGER || val->format != 32 || val->size != 1)
return FALSE;
i = *(INT32*)val->data;
if(i < properties.dither.range[0] || i > properties.dither.range[1])
return FALSE;
G80CrtcSetDither(output->crtc, i, TRUE);
} else if(prop == properties.scale.atom) {
const char *s;
enum G80ScaleMode oldScale, scale;
int i;
const struct {
const char *name;
enum G80ScaleMode scale;
} modes[] = {
{ "off", G80_SCALE_OFF },
{ "aspect", G80_SCALE_ASPECT },
{ "fill", G80_SCALE_FILL },
{ "center", G80_SCALE_CENTER },
{ NULL, 0 },
};
if(val->type != XA_STRING || val->format != 8)
return FALSE;
s = (char*)val->data;
for(i = 0; modes[i].name; i++) {
const char *name = modes[i].name;
const int len = strlen(name);
if(val->size == len && !strncmp(name, s, len)) {
scale = modes[i].scale;
break;
}
}
if(!modes[i].name)
return FALSE;
if(scale == G80_SCALE_OFF && pPriv->panelType == LVDS)
// LVDS requires scaling
return FALSE;
oldScale = pPriv->scale;
pPriv->scale = scale;
if(output->crtc) {
xf86CrtcPtr crtc = output->crtc;
if(!xf86CrtcSetMode(crtc, &crtc->desiredMode, crtc->desiredRotation,
crtc->desiredX, crtc->desiredY)) {
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"Failed to set scaling to %s for output %s\n",
modes[i].name, output->name);
// Restore old scale and try again.
pPriv->scale = oldScale;
if(!xf86CrtcSetMode(crtc, &crtc->desiredMode,
crtc->desiredRotation, crtc->desiredX,
crtc->desiredY)) {
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"Failed to restore old scaling for output %s\n",
output->name);
}
return FALSE;
}
}
}
return TRUE;
}
