x11-base/xorg-server/files/1.9.3-chromeos-mode.patch

diff -aur xorg-server-1.12.4/hw/xfree86/modes/xf86Crtc.c xorg-server-1.12.4.work/hw/xfree86/modes/xf86Crtc.c
--- xorg-server-1.12.4/hw/xfree86/modes/xf86Crtc.c	2012-08-26 22:11:00.000000000 -0700
+++ xorg-server-1.12.4.work/hw/xfree86/modes/xf86Crtc.c	2012-10-26 16:34:34.316834000 -0700
@@ -2208,6 +2208,53 @@
 }
 
 static Bool
+xf86TargetChromeOS(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
+                   DisplayModePtr *modes, Bool *enabled,
+                   int width, int height)
+{
+    int o, p;
+    DisplayModePtr main_output_mode;
+    xf86OutputPtr main_output = NULL;
+    Bool found = FALSE;
+
+    /* Find the main output */
+    for (o = -1; nextEnabledOutput(config, enabled, &o); )
+    {
+        if ( !strncmp(config->output[o]->name, "LVDS", 4) ||
+             !strncmp(config->output[o]->name, "eDP", 3) )
+        {
+            main_output = config->output[o];
+            break;
+        }
+    }
+
+    /* If we didn't find anything, grab the first enabled output */
+    if (!main_output) {
+        o = -1;
+        nextEnabledOutput(config, enabled, &o);
+        main_output = config->output[o];
+    }
+
+    if (!main_output)
+        return FALSE;
+
+    if (!(main_output_mode = xf86OutputHasPreferredMode(main_output,
+                                                        width, height)))
+        return FALSE;
+
+    /* Actually do the modesetting: turn off all non-main monitors */
+    for (o = -1; nextEnabledOutput(config, enabled, &o); )
+    {
+        if (config->output[o] == main_output)
+            modes[o] = main_output_mode;
+        else
+            (*config->output[o]->funcs->dpms)(config->output[o], DPMSModeOff);
+    }
+
+    return TRUE;
+}
+
+static Bool
 xf86CrtcSetInitialGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green,
                         float gamma_blue)
 {
@@ -2369,6 +2416,8 @@
     else {
         if (xf86TargetUserpref(scrn, config, modes, enabled, width, height))
             xf86DrvMsg(i, X_INFO, "Using user preference for initial modes\n");
+        else if (xf86TargetChromeOS(scrn, config, modes, enabled, width, height))
+            xf86DrvMsg(i, X_INFO, "Using ChromeOS mode for initial modes\n");
         else if (xf86TargetPreferred
                  (scrn, config, modes, enabled, width, height))
             xf86DrvMsg(i, X_INFO, "Using exact sizes for initial modes\n");