drm: Extract drm_pci.h

Just another step in finally making drmP.h obsolete.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170308141257.12119-5-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_pci.c

@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/export.h>
+#include <drm/drm_pci.h>
 #include <drm/drmP.h>
 #include "drm_internal.h"
 #include "drm_legacy.h"
@@ -36,6 +37,9 @@
  * @size: size of block to allocate
  * @align: alignment of block
  *
+ * FIXME: This is a needless abstraction of the Linux dma-api and should be
+ * removed.
+ *
  * Return: A handle to the allocated memory block on success or NULL on
  * failure.
  */
@@ -104,6 +108,9 @@ void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
  * drm_pci_free - Free a PCI consistent memory block
  * @dev: DRM device
  * @dmah: handle to memory block
+ *
+ * FIXME: This is a needless abstraction of the Linux dma-api and should be
+ * removed.
  */
 void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
 {

include/drm/drmP.h

@@ -47,7 +47,6 @@
 #include <linux/miscdevice.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
-#include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/poll.h>
 #include <linux/ratelimit.h>
@@ -77,6 +76,7 @@
 #include <drm/drm_sarea.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_prime.h>
+#include <drm/drm_pci.h>
 
 struct module;
 
@@ -85,7 +85,6 @@ struct drm_device;
 struct drm_agp_head;
 struct drm_local_map;
 struct drm_device_dma;
-struct drm_dma_handle;
 struct drm_gem_object;
 struct drm_master;
 struct drm_vblank_crtc;
@@ -96,6 +95,9 @@ struct videomode;
 struct reservation_object;
 struct dma_buf_attachment;
 
+struct pci_dev;
+struct pci_controller;
+
 /*
  * The following categories are defined:
  *
@@ -739,49 +741,12 @@ static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
 }
 #endif
 
-
-extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
-					    size_t align);
-extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
-
 			       /* sysfs support (drm_sysfs.c) */
 extern void drm_sysfs_hotplug_event(struct drm_device *dev);
 
 
 /*@}*/
 
-extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
-extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
-#ifdef CONFIG_PCI
-extern int drm_get_pci_dev(struct pci_dev *pdev,
-			   const struct pci_device_id *ent,
-			   struct drm_driver *driver);
-extern int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
-#else
-static inline int drm_get_pci_dev(struct pci_dev *pdev,
-				  const struct pci_device_id *ent,
-				  struct drm_driver *driver)
-{
-	return -ENOSYS;
-}
-
-static inline int drm_pci_set_busid(struct drm_device *dev,
-				    struct drm_master *master)
-{
-	return -ENOSYS;
-}
-#endif
-
-#define DRM_PCIE_SPEED_25 1
-#define DRM_PCIE_SPEED_50 2
-#define DRM_PCIE_SPEED_80 4
-
-extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
-extern int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
-
-/* platform section */
-extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
-
 /* returns true if currently okay to sleep */
 static __inline__ bool drm_can_sleep(void)
 {

include/drm/drm_pci.h

+/*
+ * Internal Header for the Direct Rendering Manager
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
+ * All rights reserved.
+ *
+ * Author: Rickard E. (Rik) Faith <faith@valinux.com>
+ * Author: Gareth Hughes <gareth@valinux.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DRM_PCI_H_
+#define _DRM_PCI_H_
+
+#include <linux/pci.h>
+
+struct drm_dma_handle;
+struct drm_device;
+struct drm_driver;
+struct drm_master;
+
+extern struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+					    size_t align);
+extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
+
+extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
+extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
+#ifdef CONFIG_PCI
+extern int drm_get_pci_dev(struct pci_dev *pdev,
+			   const struct pci_device_id *ent,
+			   struct drm_driver *driver);
+extern int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
+#else
+static inline int drm_get_pci_dev(struct pci_dev *pdev,
+				  const struct pci_device_id *ent,
+				  struct drm_driver *driver)
+{
+	return -ENOSYS;
+}
+
+static inline int drm_pci_set_busid(struct drm_device *dev,
+				    struct drm_master *master)
+{
+	return -ENOSYS;
+}
+#endif
+
+#define DRM_PCIE_SPEED_25 1
+#define DRM_PCIE_SPEED_50 2
+#define DRM_PCIE_SPEED_80 4
+
+extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
+extern int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
+
+/* platform section */
+extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
+
+#endif /* _DRM_PCI_H_ */