fixup! Remove the legacy backends

src/common.h

@@ -309,12 +309,6 @@ typedef struct session {
 	/// Nanosecond offset of the first painting.
 	long paint_tm_offset;
 
-#ifdef CONFIG_VSYNC_DRM
-	// === DRM VSync related ===
-	/// File descriptor of DRI device file. Used for DRM VSync.
-	int drm_fd;
-#endif
-
 	// === X extension related ===
 	/// Event base number for X Fixes extension.
 	int xfixes_event;

src/meson.build

@@ -52,11 +52,6 @@ if get_option('regex')
 	deps += [pcre]
 endif
 
-if get_option('vsync_drm')
-	cflags += ['-DCONFIG_VSYNC_DRM']
-	deps += [dependency('libdrm', required: true)]
-endif
-
 if get_option('opengl')
 	cflags += ['-DCONFIG_OPENGL', '-DGL_GLEXT_PROTOTYPES']
 	deps += [

src/picom.c

@@ -1983,10 +1983,6 @@ static session_t *session_init(int argc, char **argv, Display *dpy,
 
 	    .last_msc = 0,
 
-#ifdef CONFIG_VSYNC_DRM
-	    .drm_fd = -1,
-#endif
-
 	    .xfixes_event = 0,
 	    .xfixes_error = 0,
 	    .damage_event = 0,
@@ -2650,14 +2646,6 @@ static void session_destroy(session_t *ps) {
 		free(shader);
 	}
 
-#ifdef CONFIG_VSYNC_DRM
-	// Close file opened for DRM VSync
-	if (ps->drm_fd >= 0) {
-		close(ps->drm_fd);
-		ps->drm_fd = -1;
-	}
-#endif
-
 	// Release overlay window
 	if (ps->overlay) {
 		xcb_composite_release_overlay_window(ps->c.c, ps->overlay);