[mutter] logical-monitor: Don't mirror refresh rate

[Jonas Ådahl <jadahl src gnome org>]

commit 3c6d688c8777dcc16fcc9c005c53fb11e3ef1f37
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Dec 13 22:08:17 2016 +0800

    logical-monitor: Don't mirror refresh rate
    
    Let the callers figure out how to associate a logical monitor with a
    refresh rate, instead of exposing an arbitrary one.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/backends/meta-logical-monitor.c |    1 -
 src/backends/meta-logical-monitor.h |    1 -
 src/wayland/meta-wayland-outputs.c  |   11 ++++++++---
 src/wayland/meta-wayland-outputs.h  |    1 +
 4 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/src/backends/meta-logical-monitor.c b/src/backends/meta-logical-monitor.c
index 96588c4..21bb3d8 100644
--- a/src/backends/meta-logical-monitor.c
+++ b/src/backends/meta-logical-monitor.c
@@ -43,7 +43,6 @@ meta_logical_monitor_new (MetaMonitor *monitor,
 
   main_output = meta_monitor_get_main_output (monitor);
   logical_monitor->number = number;
-  logical_monitor->refresh_rate = main_output->crtc->current_mode->refresh_rate;
   logical_monitor->winsys_id = main_output->winsys_id;
   logical_monitor->scale = main_output->scale;
   logical_monitor->in_fullscreen = -1;
diff --git a/src/backends/meta-logical-monitor.h b/src/backends/meta-logical-monitor.h
index bce0822..34a134d 100644
--- a/src/backends/meta-logical-monitor.h
+++ b/src/backends/meta-logical-monitor.h
@@ -37,7 +37,6 @@ struct _MetaLogicalMonitor
   int number;
   MetaRectangle rect;
   /* for tiled monitors these are calculated, from untiled just copied */
-  float refresh_rate;
   gboolean is_primary;
   gboolean is_presentation; /* XXX: not yet used */
   gboolean in_fullscreen;
diff --git a/src/wayland/meta-wayland-outputs.c b/src/wayland/meta-wayland-outputs.c
index 66bc108..5489b7b 100644
--- a/src/wayland/meta-wayland-outputs.c
+++ b/src/wayland/meta-wayland-outputs.c
@@ -77,12 +77,16 @@ send_output_events (struct wl_resource *resource,
   MetaLogicalMonitor *old_logical_monitor;
   guint old_mode_flags;
   gint old_scale;
+  float old_refresh_rate;
+  float refresh_rate;
 
   old_logical_monitor = wayland_output->logical_monitor;
   old_mode_flags = wayland_output->mode_flags;
   old_scale = wayland_output->scale;
+  old_refresh_rate = wayland_output->refresh_rate;
 
   output = pick_main_output (logical_monitor);
+  refresh_rate = output->crtc->current_mode->refresh_rate;
 
   gboolean need_done = FALSE;
 
@@ -114,14 +118,14 @@ send_output_events (struct wl_resource *resource,
   if (need_all_events ||
       old_logical_monitor->rect.width != logical_monitor->rect.width ||
       old_logical_monitor->rect.height != logical_monitor->rect.height ||
-      old_logical_monitor->refresh_rate != logical_monitor->refresh_rate ||
+      old_refresh_rate != refresh_rate ||
       old_mode_flags != mode_flags)
     {
       wl_output_send_mode (resource,
                            mode_flags,
                            logical_monitor->rect.width,
                            logical_monitor->rect.height,
-                           (int32_t) (logical_monitor->refresh_rate * 1000));
+                           (int32_t) (refresh_rate * 1000));
       need_done = TRUE;
     }
 
@@ -161,7 +165,7 @@ bind_output (struct wl_client *client,
                 logical_monitor, output->name,
                 logical_monitor->rect.x, logical_monitor->rect.y,
                 logical_monitor->rect.width, logical_monitor->rect.height,
-                logical_monitor->refresh_rate);
+                wayland_output->refresh_rate);
 
   send_output_events (resource, wayland_output, logical_monitor, TRUE);
 }
@@ -188,6 +192,7 @@ meta_wayland_output_set_logical_monitor (MetaWaylandOutput  *wayland_output,
   if (output->crtc->current_mode == output->preferred_mode)
     wayland_output->mode_flags |= WL_OUTPUT_MODE_PREFERRED;
   wayland_output->scale = output->scale;
+  wayland_output->refresh_rate = output->crtc->current_mode->refresh_rate;
 }
 
 static void
diff --git a/src/wayland/meta-wayland-outputs.h b/src/wayland/meta-wayland-outputs.h
index d5b779b..f9f096a 100644
--- a/src/wayland/meta-wayland-outputs.h
+++ b/src/wayland/meta-wayland-outputs.h
@@ -39,6 +39,7 @@ struct _MetaWaylandOutput
   struct wl_global         *global;
   MetaLogicalMonitor       *logical_monitor;
   guint                     mode_flags;
+  float                     refresh_rate;
   gint                      scale;
 
   GList                    *resources;