drivers/graphics: Slightly encapsulate V2DisplayMap

drivers/graphics/console-draw/src/lib.rs

@@ -12,15 +12,24 @@ use orbclient::FONT;
 
 pub struct V2DisplayMap {
     pub display_handle: V2GraphicsHandle,
-    pub fb: framebuffer::Handle,
+    fb: framebuffer::Handle,
     pub buffer: DumbBuffer,
     mapping: DumbMapping<'static>,
 }
 
 impl V2DisplayMap {
-    pub fn new(display_handle: V2GraphicsHandle, width: u32, height: u32) -> io::Result<Self> {
-        let mut buffer =
-            display_handle.create_dumb_buffer((width, height), DrmFourcc::Argb8888, 32)?;
+    pub fn new(display_handle: V2GraphicsHandle) -> io::Result<Self> {
+        let connector = display_handle.first_display().unwrap();
+        let connector_info = display_handle.get_connector(connector, true).unwrap();
+
+        let mode = connector_info.modes()[0];
+        let (width, height) = mode.size();
+
+        let mut buffer = display_handle.create_dumb_buffer(
+            (width.into(), height.into()),
+            DrmFourcc::Argb8888,
+            32,
+        )?;
         let fb = display_handle.add_framebuffer(&buffer, 32, 32)?;
 
         let map = display_handle.map_dumb_buffer(&mut buffer)?;
@@ -44,6 +53,11 @@ impl V2DisplayMap {
             height: self.buffer.size().1 as usize,
         }
     }
+
+    pub fn dirty_fb(&self, damage: Damage) -> io::Result<()> {
+        self.display_handle
+            .update_plane(0, u32::from(self.fb), damage)
+    }
 }
 
 struct DisplayMap {

drivers/graphics/fbbootlogd/src/scheme.rs

@@ -48,13 +48,7 @@ impl FbbootlogScheme {
             }
         };
 
-        let (width, height) = new_display_handle
-            .get_connector(new_display_handle.first_display().unwrap(), true)
-            .unwrap()
-            .modes()[0]
-            .size();
-
-        match V2DisplayMap::new(new_display_handle, width.into(), height.into()) {
+        match V2DisplayMap::new(new_display_handle) {
             Ok(display_map) => self.display_map = Some(display_map),
             Err(err) => {
                 eprintln!("fbbootlogd: failed to open display: {}", err);
@@ -145,9 +139,7 @@ impl FbbootlogScheme {
                 total_damage = total_damage.merge(damage);
             }
         }
-        map.display_handle
-            .update_plane(0, u32::from(map.fb), total_damage)
-            .unwrap();
+        map.dirty_fb(total_damage).unwrap();
     }
 
     fn handle_resize(map: &mut V2DisplayMap, text_screen: &mut TextScreen) {
@@ -247,9 +239,7 @@ impl SchemeSync for FbbootlogScheme {
                 let damage = self.text_screen.write(map, buf, &mut VecDeque::new());
 
                 if let Some(map) = &self.display_map {
-                    map.display_handle
-                        .update_plane(0, u32::from(map.fb), damage)
-                        .unwrap();
+                    map.dirty_fb(damage).unwrap();
                 }
             }
         }

drivers/graphics/fbcond/src/display.rs

@@ -35,13 +35,7 @@ impl Display {
 
         log::debug!("fbcond: Opened new display");
 
-        let (width, height) = new_display_handle
-            .get_connector(new_display_handle.first_display().unwrap(), true)
-            .unwrap()
-            .modes()[0]
-            .size();
-
-        match V2DisplayMap::new(new_display_handle, width.into(), height.into()) {
+        match V2DisplayMap::new(new_display_handle) {
             Ok(map) => {
                 log::debug!(
                     "fbcond: Mapped new display with size {}x{}",
@@ -81,9 +75,7 @@ impl Display {
 
     pub fn sync_rect(&mut self, damage: Damage) {
         if let Some(map) = &self.map {
-            map.display_handle
-                .update_plane(0, u32::from(map.fb), damage)
-                .unwrap();
+            map.dirty_fb(damage).unwrap();
         }
     }
 }