drm: major update from CVS for radeon and core

This patch pull in a lot of changes from CVS to the main core DRM,
and updates the radeon driver to 1.21.0 that supports r300 texrect
and radeon card type ioctl.

Signed-off-by: Dave Airlie <airlied@linux.ie>

drivers/char/drm/drmP.h

@@ -550,7 +550,7 @@ struct drm_driver {
 	int (*kernel_context_switch) (struct drm_device * dev, int old,
 				      int new);
 	void (*kernel_context_switch_unlock) (struct drm_device * dev,
-					      drm_lock_t * lock);
+					      drm_lock_t *lock);
 	int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
 	int (*dri_library_name) (struct drm_device *dev, char *buf);
 
@@ -574,12 +574,11 @@ struct drm_driver {
 	void (*irq_postinstall) (struct drm_device * dev);
 	void (*irq_uninstall) (struct drm_device * dev);
 	void (*reclaim_buffers) (struct drm_device * dev, struct file * filp);
-	void (*reclaim_buffers_locked) (struct drm_device *drv,
+	void (*reclaim_buffers_locked) (struct drm_device *dev,
 					struct file *filp);
 	unsigned long (*get_map_ofs) (drm_map_t * map);
 	unsigned long (*get_reg_ofs) (struct drm_device * dev);
 	void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
-	int (*version) (drm_version_t * version);
 
 	int major;
 	int minor;
@@ -774,10 +773,6 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
 /** \name Internal function definitions */
 /*@{*/
 
-				/* Misc. support (drm_init.h) */
-extern int drm_flags;
-extern void drm_parse_options(char *s);
-
 				/* Driver support (drm_drv.h) */
 extern int drm_init(struct drm_driver *driver);
 extern void drm_exit(struct drm_driver *driver);
@@ -831,6 +826,8 @@ extern int drm_getstats(struct inode *inode, struct file *filp,
 			unsigned int cmd, unsigned long arg);
 extern int drm_setversion(struct inode *inode, struct file *filp,
 			  unsigned int cmd, unsigned long arg);
+extern int drm_noop(struct inode *inode, struct file *filp,
+		    unsigned int cmd, unsigned long arg);
 
 				/* Context IOCTL support (drm_context.h) */
 extern int drm_resctx(struct inode *inode, struct file *filp,
@@ -869,10 +866,6 @@ extern int drm_getmagic(struct inode *inode, struct file *filp,
 extern int drm_authmagic(struct inode *inode, struct file *filp,
 			 unsigned int cmd, unsigned long arg);
 
-				/* Placeholder for ioctls past */
-extern int drm_noop(struct inode *inode, struct file *filp,
-		    unsigned int cmd, unsigned long arg);
-
 				/* Locking IOCTL support (drm_lock.h) */
 extern int drm_lock(struct inode *inode, struct file *filp,
 		    unsigned int cmd, unsigned long arg);
@@ -885,6 +878,7 @@ extern int drm_lock_free(drm_device_t * dev,
 				/* Buffer management support (drm_bufs.h) */
 extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
 extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
+extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request);
 extern int drm_addmap(drm_device_t * dev, unsigned int offset,
 		      unsigned int size, drm_map_type_t type,
 		      drm_map_flags_t flags, drm_local_map_t ** map_ptr);
@@ -920,8 +914,8 @@ extern void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp);
 				/* IRQ support (drm_irq.h) */
 extern int drm_control(struct inode *inode, struct file *filp,
 		       unsigned int cmd, unsigned long arg);
-extern int drm_irq_uninstall(drm_device_t * dev);
 extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
+extern int drm_irq_uninstall(drm_device_t * dev);
 extern void drm_driver_irq_preinstall(drm_device_t * dev);
 extern void drm_driver_irq_postinstall(drm_device_t * dev);
 extern void drm_driver_irq_uninstall(drm_device_t * dev);

drivers/char/drm/drm_agpsupport.c

@@ -1,5 +1,5 @@
 /**
- * \file drm_agpsupport.h
+ * \file drm_agpsupport.c
  * DRM support for AGP/GART backend
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -91,7 +91,7 @@ int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
 /**
  * Acquire the AGP device.
  *
- * \param dev DRM device that is to acquire AGP
+ * \param dev DRM device that is to acquire AGP.
  * \return zero on success or a negative number on failure.
  *
  * Verifies the AGP device hasn't been acquired before and calls
@@ -134,7 +134,7 @@ int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
 /**
  * Release the AGP device.
  *
- * \param dev DRM device that is to release AGP
+ * \param dev DRM device that is to release AGP.
  * \return zero on success or a negative number on failure.
  *
  * Verifies the AGP device has been acquired and calls \c agp_backend_release.
@@ -147,7 +147,6 @@ int drm_agp_release(drm_device_t * dev)
 	dev->agp->acquired = 0;
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_agp_release);
 
 int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
@@ -447,6 +446,9 @@ int drm_agp_free_ioctl(struct inode *inode, struct file *filp,
  *
  * \return pointer to a drm_agp_head structure.
  *
+ * Gets the drm_agp_t structure which is made available by the agpgart module
+ * via the inter_module_* functions. Creates and initializes a drm_agp_head
+ * structure.
  */
 drm_agp_head_t *drm_agp_init(drm_device_t * dev)
 {

drivers/char/drm/drm_bufs.c

@@ -36,22 +36,21 @@
 #include <linux/vmalloc.h>
 #include "drmP.h"
 
-unsigned long drm_get_resource_start(drm_device_t * dev, unsigned int resource)
+unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource)
 {
 	return pci_resource_start(dev->pdev, resource);
 }
-
 EXPORT_SYMBOL(drm_get_resource_start);
 
-unsigned long drm_get_resource_len(drm_device_t * dev, unsigned int resource)
+unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource)
 {
 	return pci_resource_len(dev->pdev, resource);
 }
 
 EXPORT_SYMBOL(drm_get_resource_len);
 
-static drm_map_list_t *drm_find_matching_map(drm_device_t * dev,
-					     drm_local_map_t * map)
+static drm_map_list_t *drm_find_matching_map(drm_device_t *dev,
+					     drm_local_map_t *map)
 {
 	struct list_head *list;
 
@@ -74,7 +73,7 @@ static drm_map_list_t *drm_find_matching_map(drm_device_t * dev,
 
 #ifdef _LP64
 static __inline__ unsigned int HandleID(unsigned long lhandle,
-					drm_device_t * dev)
+					drm_device_t *dev)
 {
 	static unsigned int map32_handle = START_RANGE;
 	unsigned int hash;
@@ -301,6 +300,9 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp,
 		return -EFAULT;
 	}
 
+	if (!(capable(CAP_SYS_ADMIN) || map.type == _DRM_AGP))
+		return -EPERM;
+
 	err = drm_addmap_core(dev, map.offset, map.size, map.type, map.flags,
 			      &maplist);
 
@@ -332,7 +334,7 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp,
  *
  * \sa drm_addmap
  */
-int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map)
+int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map)
 {
 	struct list_head *list;
 	drm_map_list_t *r_list = NULL;
@@ -384,10 +386,9 @@ int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map)
 
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_rmmap_locked);
 
-int drm_rmmap(drm_device_t * dev, drm_local_map_t * map)
+int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
 {
 	int ret;
 
@@ -397,7 +398,6 @@ int drm_rmmap(drm_device_t * dev, drm_local_map_t * map)
 
 	return ret;
 }
-
 EXPORT_SYMBOL(drm_rmmap);
 
 /* The rmmap ioctl appears to be unnecessary.  All mappings are torn down on
@@ -548,7 +548,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
 	DRM_DEBUG("count:      %d\n", count);
 	DRM_DEBUG("order:      %d\n", order);
 	DRM_DEBUG("size:       %d\n", size);
-	DRM_DEBUG("agp_offset: %lu\n", agp_offset);
+	DRM_DEBUG("agp_offset: %lx\n", agp_offset);
 	DRM_DEBUG("alignment:  %d\n", alignment);
 	DRM_DEBUG("page_order: %d\n", page_order);
 	DRM_DEBUG("total:      %d\n", total);
@@ -649,6 +649,8 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
 	}
 
 	dma->buf_count += entry->buf_count;
+	dma->seg_count += entry->seg_count;
+	dma->page_count += byte_count >> PAGE_SHIFT;
 	dma->byte_count += byte_count;
 
 	DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
@@ -664,7 +666,6 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
 	atomic_dec(&dev->buf_alloc);
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_addbufs_agp);
 #endif				/* __OS_HAS_AGP */
 
@@ -689,9 +690,13 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
 
 	if (!drm_core_check_feature(dev, DRIVER_PCI_DMA))
 		return -EINVAL;
+
 	if (!dma)
 		return -EINVAL;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	count = request->count;
 	order = drm_order(request->size);
 	size = 1 << order;
@@ -882,7 +887,6 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
 	return 0;
 
 }
-
 EXPORT_SYMBOL(drm_addbufs_pci);
 
 static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
@@ -908,6 +912,9 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
 	if (!dma)
 		return -EINVAL;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	count = request->count;
 	order = drm_order(request->size);
 	size = 1 << order;
@@ -1026,6 +1033,8 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
 	}
 
 	dma->buf_count += entry->buf_count;
+	dma->seg_count += entry->seg_count;
+	dma->page_count += byte_count >> PAGE_SHIFT;
 	dma->byte_count += byte_count;
 
 	DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
@@ -1042,7 +1051,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
 	return 0;
 }
 
-static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
+int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
 {
 	drm_device_dma_t *dma = dev->dma;
 	drm_buf_entry_t *entry;
@@ -1065,6 +1074,9 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
 	if (!dma)
 		return -EINVAL;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	count = request->count;
 	order = drm_order(request->size);
 	size = 1 << order;
@@ -1181,6 +1193,8 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
 	}
 
 	dma->buf_count += entry->buf_count;
+	dma->seg_count += entry->seg_count;
+	dma->page_count += byte_count >> PAGE_SHIFT;
 	dma->byte_count += byte_count;
 
 	DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
@@ -1196,6 +1210,8 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
 	atomic_dec(&dev->buf_alloc);
 	return 0;
 }
+EXPORT_SYMBOL(drm_addbufs_fb);
+
 
 /**
  * Add buffers for DMA transfers (ioctl).
@@ -1577,5 +1593,6 @@ int drm_order(unsigned long size)
 
 	return order;
 }
-
 EXPORT_SYMBOL(drm_order);
+
+