drm: remove version.h and any version checks..

This patch removes all the drm kernel conditionals from the kernel DRM tree.
Signed-off-by: Dave Airlie <airlied@linux.ie>

drivers/char/drm/drmP.h

@@ -53,7 +53,6 @@
 #include <linux/init.h>
 #include <linux/file.h>
 #include <linux/pci.h>
-#include <linux/version.h>
 #include <linux/jiffies.h>
 #include <linux/smp_lock.h>	/* For (un)lock_kernel */
 #include <linux/mm.h>
@@ -161,36 +160,7 @@
 #define pte_unmap(pte)
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
-static inline struct page * vmalloc_to_page(void * vmalloc_addr)
-{
-	unsigned long addr = (unsigned long) vmalloc_addr;
-	struct page *page = NULL;
-	pgd_t *pgd = pgd_offset_k(addr);
-	pmd_t *pmd;
-	pte_t *ptep, pte;
-  
-	if (!pgd_none(*pgd)) {
-		pmd = pmd_offset(pgd, addr);
-		if (!pmd_none(*pmd)) {
-			preempt_disable();
-			ptep = pte_offset_map(pmd, addr);
-			pte = *ptep;
-			if (pte_present(pte))
-				page = pte_page(pte);
-			pte_unmap(ptep);
-			preempt_enable();
-		}
-	}
-	return page;
-}
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define DRM_RPR_ARG(vma)
-#else
 #define DRM_RPR_ARG(vma) vma,
-#endif
 
 #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
 
@@ -746,11 +716,7 @@ typedef struct drm_device {
 	int               pci_slot;	/**< PCI slot number */
 	int               pci_func;	/**< PCI function number */
 #ifdef __alpha__
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
-	struct pci_controler *hose;
-#else
 	struct pci_controller *hose;
-#endif
 #endif
 	drm_sg_mem_t      *sg;  /**< Scatter gather memory */
 	unsigned long     *ctx_bitmap;	/**< context bitmap */

drivers/char/drm/drm_bufs.c

@@ -1499,34 +1499,18 @@ int drm_mapbufs( struct inode *inode, struct file *filp,
 				goto done;
 			}
 
-#if LINUX_VERSION_CODE <= 0x020402
-			down( &current->mm->mmap_sem );
-#else
 			down_write( &current->mm->mmap_sem );
-#endif
 			virtual = do_mmap( filp, 0, map->size,
 					   PROT_READ | PROT_WRITE,
 					   MAP_SHARED,
 					   token );
-#if LINUX_VERSION_CODE <= 0x020402
-			up( &current->mm->mmap_sem );
-#else
 			up_write( &current->mm->mmap_sem );
-#endif
 		} else {
-#if LINUX_VERSION_CODE <= 0x020402
-			down( &current->mm->mmap_sem );
-#else
 			down_write( &current->mm->mmap_sem );
-#endif
 			virtual = do_mmap( filp, 0, dma->byte_count,
 					   PROT_READ | PROT_WRITE,
 					   MAP_SHARED, 0 );
-#if LINUX_VERSION_CODE <= 0x020402
-			up( &current->mm->mmap_sem );
-#else
 			up_write( &current->mm->mmap_sem );
-#endif
 		}
 		if ( virtual > -1024UL ) {
 			/* Real error */

drivers/char/drm/drm_vm.c

@@ -314,8 +314,6 @@ static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma,
 }
 
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
-
 static struct page *drm_vm_nopage(struct vm_area_struct *vma,
 				   unsigned long address,
 				   int *type) {
@@ -344,35 +342,6 @@ static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
 	return drm_do_vm_sg_nopage(vma, address);
 }
 
-#else	/* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */
-
-static struct page *drm_vm_nopage(struct vm_area_struct *vma,
-				   unsigned long address,
-				   int unused) {
-	return drm_do_vm_nopage(vma, address);
-}
-
-static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int unused) {
-	return drm_do_vm_shm_nopage(vma, address);
-}
-
-static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int unused) {
-	return drm_do_vm_dma_nopage(vma, address);
-}
-
-static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
-				      unsigned long address,
-				      int unused) {
-	return drm_do_vm_sg_nopage(vma, address);
-}
-
-#endif
-
-
 /** AGP virtual memory operations */
 static struct vm_operations_struct   drm_vm_ops = {
 	.nopage = drm_vm_nopage,
@@ -496,11 +465,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 
 	vma->vm_ops   = &drm_vm_dma_ops;
 
-#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
-	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
-#else
 	vma->vm_flags |= VM_RESERVED; /* Don't swap */
-#endif
 
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	drm_vm_open(vma);
@@ -660,29 +625,17 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
 		vma->vm_private_data = (void *)map;
 				/* Don't let this area swap.  Change when
 				   DRM_KERNEL advisory is supported. */
-#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
-		vma->vm_flags |= VM_LOCKED;
-#else
 		vma->vm_flags |= VM_RESERVED;
-#endif
 		break;
 	case _DRM_SCATTER_GATHER:
 		vma->vm_ops = &drm_vm_sg_ops;
 		vma->vm_private_data = (void *)map;
-#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
-		vma->vm_flags |= VM_LOCKED;
-#else
 		vma->vm_flags |= VM_RESERVED;
-#endif
                 break;
 	default:
 		return -EINVAL;	/* This should never happen. */
 	}
-#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
-	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
-#else
 	vma->vm_flags |= VM_RESERVED; /* Don't swap */
-#endif
 
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	drm_vm_open(vma);

drivers/char/drm/i810_dma.c

@@ -45,11 +45,6 @@
 #define I810_BUF_UNMAPPED 0
 #define I810_BUF_MAPPED   1
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2)
-#define down_write down
-#define up_write up
-#endif
-
 static drm_buf_t *i810_freelist_get(drm_device_t *dev)
 {
    	drm_device_dma_t *dma = dev->dma;

drivers/char/drm/i830_dma.c

@@ -47,11 +47,6 @@
 #define I830_BUF_UNMAPPED 0
 #define I830_BUF_MAPPED   1
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2)
-#define down_write down
-#define up_write up
-#endif
-
 static drm_buf_t *i830_freelist_get(drm_device_t *dev)
 {
    	drm_device_dma_t *dma = dev->dma;