drm/vgem: drop use of drmP.h

Drop use of the deprecated header drmP.h.
Replace with necessary includes in the individual .c files.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Deepak Sharma <deepak.sharma@amd.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190716064220.18157-13-sam@ravnborg.org

drivers/gpu/drm/vgem/vgem_drv.c

@@ -30,10 +30,17 @@
  * software renderer and the X server for efficient buffer sharing.
  */
 
+#include <linux/dma-buf.h>
 #include <linux/module.h>
-#include <linux/ramfs.h>
+#include <linux/platform_device.h>
 #include <linux/shmem_fs.h>
-#include <linux/dma-buf.h>
+#include <linux/vmalloc.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_prime.h>
+
 #include "vgem_drv.h"
 
 #define DRIVER_NAME	"vgem"

drivers/gpu/drm/vgem/vgem_drv.h

@@ -29,7 +29,6 @@
 #ifndef _VGEM_DRV_H_
 #define _VGEM_DRV_H_
 
-#include <drm/drmP.h>
 #include <drm/drm_gem.h>
 #include <drm/drm_cache.h>
 

drivers/gpu/drm/vgem/vgem_fence.c

@@ -23,6 +23,8 @@
 #include <linux/dma-buf.h>
 #include <linux/reservation.h>
 
+#include <drm/drm_file.h>
+
 #include "vgem_drv.h"
 
 #define VGEM_FENCE_TIMEOUT (10*HZ)