drm/virtio: fix include notation and remove -Iinclude/drm flag

Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-17-git-send-email-yamada.masahiro@socionext.com

drivers/gpu/drm/virtio/Makefile

@@ -2,8 +2,6 @@
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
-ccflags-y := -Iinclude/drm
-
 virtio-gpu-y := virtgpu_drv.o virtgpu_kms.o virtgpu_drm_bus.o virtgpu_gem.o \
 	virtgpu_fb.o virtgpu_display.o virtgpu_vq.o virtgpu_ttm.o \
 	virtgpu_fence.o virtgpu_object.o virtgpu_debugfs.o virtgpu_plane.o \

drivers/gpu/drm/virtio/virtgpu_debugfs.c

@@ -24,8 +24,8 @@
  */
 
 #include <linux/debugfs.h>
+#include <drm/drmP.h>
 
-#include "drmP.h"
 #include "virtgpu_drv.h"
 
 static int

drivers/gpu/drm/virtio/virtgpu_drv.c

@@ -29,8 +29,8 @@
 #include <linux/module.h>
 #include <linux/console.h>
 #include <linux/pci.h>
-#include "drmP.h"
-#include "drm/drm.h"
+#include <drm/drmP.h>
+#include <drm/drm.h>
 
 #include "virtgpu_drv.h"
 static struct drm_driver driver;

drivers/gpu/drm/virtio/virtgpu_drv.h

@@ -36,10 +36,10 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_encoder.h>
-#include <ttm/ttm_bo_api.h>
-#include <ttm/ttm_bo_driver.h>
-#include <ttm/ttm_placement.h>
-#include <ttm/ttm_module.h>
+#include <drm/ttm/ttm_bo_api.h>
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_module.h>
 
 #define DRIVER_NAME "virtio_gpu"
 #define DRIVER_DESC "virtio GPU"

drivers/gpu/drm/virtio/virtgpu_ioctl.c

@@ -26,9 +26,10 @@
  */
 
 #include <drm/drmP.h>
-#include "virtgpu_drv.h"
 #include <drm/virtgpu_drm.h>
-#include "ttm/ttm_execbuf_util.h"
+#include <drm/ttm/ttm_execbuf_util.h>
+
+#include "virtgpu_drv.h"
 
 static void convert_to_hw_box(struct virtio_gpu_box *dst,
 			      const struct drm_virtgpu_3d_box *src)

drivers/gpu/drm/virtio/virtgpu_ttm.c

@@ -25,11 +25,11 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include <ttm/ttm_bo_api.h>
-#include <ttm/ttm_bo_driver.h>
-#include <ttm/ttm_placement.h>
-#include <ttm/ttm_page_alloc.h>
-#include <ttm/ttm_module.h>
+#include <drm/ttm/ttm_bo_api.h>
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_page_alloc.h>
+#include <drm/ttm/ttm_module.h>
 #include <drm/drmP.h>
 #include <drm/drm.h>
 #include <drm/virtgpu_drm.h>