drm: lindent the drm directory.

I've been threatening this for a while, so no point hanging around.
This lindents the DRM code which was always really bad in tabbing department.
I've also fixed some misnamed files in comments and removed some trailing
whitespace.

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h
index 63f96a8..9983546 100644
--- a/drivers/char/drm/i830_drv.h
+++ b/drivers/char/drm/i830_drv.h
@@ -11,11 +11,11 @@
  * 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
@@ -63,14 +63,14 @@
 #define USE_IRQS 0
 
 typedef struct drm_i830_buf_priv {
-   	u32 *in_use;
-   	int my_use_idx;
+	u32 *in_use;
+	int my_use_idx;
 	int currently_mapped;
 	void __user *virtual;
 	void *kernel_virtual;
 } drm_i830_buf_priv_t;
 
-typedef struct _drm_i830_ring_buffer{
+typedef struct _drm_i830_ring_buffer {
 	int tail_mask;
 	unsigned long Start;
 	unsigned long End;
@@ -86,17 +86,17 @@
 	drm_map_t *mmio_map;
 
 	drm_i830_sarea_t *sarea_priv;
-   	drm_i830_ring_buffer_t ring;
+	drm_i830_ring_buffer_t ring;
 
-      	void * hw_status_page;
-   	unsigned long counter;
+	void *hw_status_page;
+	unsigned long counter;
 
 	dma_addr_t dma_status_page;
 
 	drm_buf_t *mmap_buffer;
-	
+
 	u32 front_di1, back_di1, zi1;
-	
+
 	int back_offset;
 	int depth_offset;
 	int front_offset;
@@ -113,30 +113,30 @@
 	int page_flipping;
 
 	wait_queue_head_t irq_queue;
-   	atomic_t irq_received;
-   	atomic_t irq_emitted;
+	atomic_t irq_received;
+	atomic_t irq_emitted;
 
 	int use_mi_batchbuffer_start;
 
 } drm_i830_private_t;
 
 /* i830_dma.c */
-extern void i830_reclaim_buffers(drm_device_t *dev, struct file *filp);
+extern void i830_reclaim_buffers(drm_device_t * dev, struct file *filp);
 
 /* i830_irq.c */
-extern int i830_irq_emit( struct inode *inode, struct file *filp, 
-			  unsigned int cmd, unsigned long arg );
-extern int i830_irq_wait( struct inode *inode, struct file *filp,
-			  unsigned int cmd, unsigned long arg );
+extern int i830_irq_emit(struct inode *inode, struct file *filp,
+			 unsigned int cmd, unsigned long arg);
+extern int i830_irq_wait(struct inode *inode, struct file *filp,
+			 unsigned int cmd, unsigned long arg);
 
-extern irqreturn_t i830_driver_irq_handler( DRM_IRQ_ARGS );
-extern void i830_driver_irq_preinstall( drm_device_t *dev );
-extern void i830_driver_irq_postinstall( drm_device_t *dev );
-extern void i830_driver_irq_uninstall( drm_device_t *dev );
-extern void i830_driver_pretakedown(drm_device_t *dev);
-extern void i830_driver_release(drm_device_t *dev, struct file *filp);
-extern int i830_driver_dma_quiescent(drm_device_t *dev);
-extern void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp);
+extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS);
+extern void i830_driver_irq_preinstall(drm_device_t * dev);
+extern void i830_driver_irq_postinstall(drm_device_t * dev);
+extern void i830_driver_irq_uninstall(drm_device_t * dev);
+extern void i830_driver_pretakedown(drm_device_t * dev);
+extern void i830_driver_release(drm_device_t * dev, struct file *filp);
+extern int i830_driver_dma_quiescent(drm_device_t * dev);
+extern void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp);
 extern int i830_driver_device_is_agp(drm_device_t * dev);
 
 #define I830_BASE(reg)		((unsigned long) \
@@ -149,8 +149,6 @@
 #define I830_READ16(reg) 	I830_DEREF16(reg)
 #define I830_WRITE16(reg,val)	do { I830_DEREF16(reg) = val; } while (0)
 
-
-
 #define I830_VERBOSE 0
 
 #define RING_LOCALS	unsigned int outring, ringmask, outcount; \
@@ -168,7 +166,6 @@
 	virt = dev_priv->ring.virtual_start;		\
 } while (0)
 
-
 #define OUT_RING(n) do {					\
 	if (I830_VERBOSE) printk("   OUT_RING %x\n", (int)(n));	\
 	*(volatile unsigned int *)(virt + outring) = n;		\
@@ -184,8 +181,7 @@
 	I830_WRITE(LP_RING + RING_TAIL, outring);			\
 } while(0)
 
-extern int i830_wait_ring(drm_device_t *dev, int n, const char *caller);
-
+extern int i830_wait_ring(drm_device_t * dev, int n, const char *caller);
 
 #define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
 #define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
@@ -200,7 +196,6 @@
 #define INST_OP_FLUSH        0x02000000
 #define INST_FLUSH_MAP_CACHE 0x00000001
 
-
 #define BB1_START_ADDR_MASK   (~0x7)
 #define BB1_PROTECTED         (1<<0)
 #define BB1_UNPROTECTED       (0<<0)
@@ -213,7 +208,6 @@
 
 #define I830_IRQ_RESERVED ((1<<13)|(3<<2))
 
-
 #define LP_RING     		0x2030
 #define HP_RING     		0x2040
 #define RING_TAIL      		0x00
@@ -225,7 +219,7 @@
 #define RING_START     		0x08
 #define START_ADDR          	0x0xFFFFF000
 #define RING_LEN       		0x0C
-#define RING_NR_PAGES       	0x001FF000 
+#define RING_NR_PAGES       	0x001FF000
 #define RING_REPORT_MASK    	0x00000006
 #define RING_REPORT_64K     	0x00000002
 #define RING_REPORT_128K    	0x00000004
@@ -291,10 +285,9 @@
 #define MI_BATCH_NON_SECURE	(1)
 
 #define MI_WAIT_FOR_EVENT       ((0x3<<23))
-#define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2) 
-#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) 
+#define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
+#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
 
 #define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
 
 #endif
-