Use default screen monitor for one of the outputs.

By default, use the screen monitor section for output 0, however, a driver
can change which output gets the screen monitor by calling
xf86OutputUseScreenMonitor.

2 files changed, 39 insertions, 4 deletions

diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index eba32e493..6366222c4 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -405,10 +405,25 @@ xf86OutputSetMonitor (xf86OutputPtr output)
     xfree (option_name);
     output->conf_monitor = xf86findMonitor (monitor,
 					    xf86configptr->conf_monitor_lst);
+    /*
+     * Find the monitor section of the screen and use that
+     */
+    if (!output->conf_monitor && output->use_screen_monitor)
+	output->conf_monitor = xf86findMonitor (output->scrn->monitor->id,
+						xf86configptr->conf_monitor_lst);
     if (output->conf_monitor)
+    {
+	xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
+		    "Output %s using monitor section %s\n",
+		    output->name, output->conf_monitor->mon_identifier);
 	xf86ProcessOptions (output->scrn->scrnIndex,
 			    output->conf_monitor->mon_option_lst,
 			    output->options);
+    }
+    else
+	xf86DrvMsg (output->scrn->scrnIndex, X_INFO,
+		    "Output %s has no monitor section\n",
+		    output->name);
 }
 
 static Bool
@@ -454,7 +469,7 @@ xf86OutputInitialRotation (xf86OutputPtr output)
 
 xf86OutputPtr
 xf86OutputCreate (ScrnInfoPtr		    scrn,
-		  const xf86OutputFuncsRec *funcs,
+		  const xf86OutputFuncsRec  *funcs,
 		  const char		    *name)
 {
     xf86OutputPtr	output, *outputs;
@@ -477,6 +492,10 @@ xf86OutputCreate (ScrnInfoPtr		    scrn,
 	strcpy (output->name, name);
     }
     output->subpixel_order = SubPixelUnknown;
+    /*
+     * Use the old per-screen monitor section for the first output
+     */
+    output->use_screen_monitor = (xf86_config->num_output == 0);
 #ifdef RANDR_12_INTERFACE
     output->randr_output = NULL;
 #endif
@@ -528,6 +547,16 @@ xf86OutputRename (xf86OutputPtr output, const char *name)
 }
 
 void
+xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor)
+{
+    if (use_screen_monitor != output->use_screen_monitor)
+    {
+	output->use_screen_monitor = use_screen_monitor;
+	xf86OutputSetMonitor (output);
+    }
+}
+
+void
 xf86OutputDestroy (xf86OutputPtr output)
 {
     ScrnInfoPtr		scrn = output->scrn;
diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h
index 42daf6079..e64ce1ecd 100644
--- a/hw/xfree86/modes/xf86Crtc.h
+++ b/hw/xfree86/modes/xf86Crtc.h
@@ -479,6 +479,9 @@ struct _xf86Output {
     /** driver private information */
     void		*driver_private;
     
+    /** Whether to use the old per-screen Monitor config section */
+    Bool		use_screen_monitor;
+
 #ifdef RANDR_12_INTERFACE
     /**
      * RandR 1.2 output structure.
@@ -611,9 +614,12 @@ xf86CrtcInUse (xf86CrtcPtr crtc);
  * Output functions
  */
 xf86OutputPtr
-xf86OutputCreate (ScrnInfoPtr		scrn,
-		      const xf86OutputFuncsRec *funcs,
-		      const char	*name);
+xf86OutputCreate (ScrnInfoPtr		    scrn,
+		  const xf86OutputFuncsRec  *funcs,
+		  const char		    *name);
+
+void
+xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
 
 Bool
 xf86OutputRename (xf86OutputPtr output, const char *name);