Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index ffbd2c0..147e5cf 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -25,14 +25,19 @@
  *          Alex Deucher
  *          Jerome Glisse
  */
+
 #include <linux/seq_file.h>
 #include <linux/slab.h>
-#include <drm/drmP.h>
-#include "rv515d.h"
+
+#include <drm/drm_debugfs.h>
+#include <drm/drm_device.h>
+#include <drm/drm_file.h>
+
+#include "atom.h"
 #include "radeon.h"
 #include "radeon_asic.h"
-#include "atom.h"
 #include "rv515_reg_safe.h"
+#include "rv515d.h"
 
 /* This files gather functions specifics to: rv515 */
 static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
@@ -138,7 +143,7 @@
 		if (tmp & MC_STATUS_IDLE) {
 			return 0;
 		}
-		DRM_UDELAY(1);
+		udelay(1);
 	}
 	return -1;
 }