Add Display impl for few more KMS objects

Author: bwidawsk

src/control/crtc.rs

@@ -62,6 +62,12 @@ pub struct Info {
     pub(crate) gamma_length: u32,
 }
 
+impl std::fmt::Display for Info {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "CRTC {}", self.handle.0)
+    }
+}
+
 impl Info {
     /// Returns the handle to this CRTC.
     pub fn handle(&self) -> Handle {

src/control/encoder.rs

@@ -53,6 +53,12 @@ pub struct Info {
     pub(crate) pos_clones: u32,
 }
 
+impl std::fmt::Display for Info {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Encoder {}", self.handle.0)
+    }
+}
+
 impl Info {
     /// Returns the handle to this encoder.
     pub fn handle(&self) -> Handle {

src/control/framebuffer.rs

@@ -55,6 +55,12 @@ pub struct Info {
     pub(crate) buffer: Option<buffer::Handle>,
 }
 
+impl std::fmt::Display for Info {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Framebuffer {}", self.handle.0)
+    }
+}
+
 impl Info {
     /// Returns the handle to this framebuffer.
     pub fn handle(&self) -> Handle {

src/control/plane.rs

@@ -65,6 +65,12 @@ pub struct Info {
     pub(crate) formats: Vec<u32>,
 }
 
+impl std::fmt::Display for Info {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Plane {}", self.handle.0)
+    }
+}
+
 impl Info {
     /// Returns the handle to this plane.
     pub fn handle(&self) -> Handle {