drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2

Merge and cleanup the two headers into a single description of the
object API. Also move all the documentation to the implementation and
drop unnecessary includes from the header.

No functional change.

v2: minimal checkpatch.pl cleanup

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221125102137.1801-4-christian.koenig@amd.com

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c

@@ -28,7 +28,7 @@
 #include <linux/dmapool.h>
 #include <linux/pci.h>
 
-#include <drm/ttm/ttm_bo_api.h>
+#include <drm/ttm/ttm_bo.h>
 
 #include "vmwgfx_drv.h"
 

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -40,7 +40,6 @@
 #include <drm/drm_ioctl.h>
 #include <drm/drm_module.h>
 #include <drm/drm_sysfs.h>
-#include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_range_manager.h>
 #include <drm/ttm/ttm_placement.h>
 #include <generated/utsrelease.h>

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -37,8 +37,10 @@
 #include <drm/drm_file.h>
 #include <drm/drm_rect.h>
 
-#include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_execbuf_util.h>
+#include <drm/ttm/ttm_tt.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_bo.h>
 
 #include "ttm_object.h"
 

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

@@ -29,7 +29,7 @@
 
 #include "vmwgfx_drv.h"
 #include "vmwgfx_reg.h"
-#include <drm/ttm/ttm_bo_api.h>
+#include <drm/ttm/ttm_bo.h>
 #include <drm/ttm/ttm_placement.h>
 #include "vmwgfx_so.h"
 #include "vmwgfx_binding.h"

drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c

@@ -25,7 +25,6 @@
  *
  **************************************************************************/
 
-#include <drm/ttm/ttm_bo_driver.h>
 
 #include "vmwgfx_drv.h"
 

drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c

@@ -29,7 +29,6 @@
  */
 
 #include "vmwgfx_drv.h"
-#include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_placement.h>
 #include <linux/idr.h>
 #include <linux/spinlock.h>

drivers/gpu/drm/vmwgfx/vmwgfx_system_manager.c

@@ -26,7 +26,6 @@
 
 #include "vmwgfx_drv.h"
 
-#include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_device.h>
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_resource.h>

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

@@ -26,7 +26,6 @@
  **************************************************************************/
 
 #include "vmwgfx_drv.h"
-#include <drm/ttm/ttm_bo_driver.h>
 #include <drm/ttm/ttm_placement.h>
 
 static const struct ttm_place vram_placement_flags = {