fix build of i810 kernel driver for 2.4.3 or greater kernels

2 files changed, 22 insertions, 4 deletions

diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drm_drv.h b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drm_drv.h
index 5337646f7..87da59512 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drm_drv.h
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drm_drv.h
@@ -138,8 +138,10 @@ static drm_ioctl_desc_t		  DRM(ioctls)[] = {
 	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]       = { DRM(addmap),      1, 1 },
 	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)]        = { DRM(rmmap),       1, 0 },
 
+#if __HAVE_CTX_BITMAP
 	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
 	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
+#endif
 
 	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]       = { DRM(addctx),      1, 1 },
 	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]        = { DRM(rmctx),       1, 1 },
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
index 4c90496a7..8a5503eaf 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
@@ -182,7 +182,11 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp)
 	if(buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL;
 
 	if(VM_DONTCOPY != 0) {
-		down(&current->mm->mmap_sem);
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
 		old_fops = filp->f_op;
 		filp->f_op = &i810_buffer_fops;
 		dev_priv->mmap_buffer = buf;
@@ -198,7 +202,11 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp)
 			retcode = (signed int)buf_priv->virtual;
 			buf_priv->virtual = 0;
 		}
-   		up(&current->mm->mmap_sem);
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+		up_write( &current->mm->mmap_sem );
+#endif
 	} else {
 		buf_priv->virtual = buf_priv->kernel_virtual;
    		buf_priv->currently_mapped = I810_BUF_MAPPED;
@@ -214,7 +222,11 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 	if(VM_DONTCOPY != 0) {
 		if(buf_priv->currently_mapped != I810_BUF_MAPPED)
 			return -EINVAL;
-		down(&current->mm->mmap_sem);
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
 #if LINUX_VERSION_CODE < 0x020399
         	retcode = do_munmap((unsigned long)buf_priv->virtual,
 				    (size_t) buf->total);
@@ -223,7 +235,11 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 				    (unsigned long)buf_priv->virtual,
 				    (size_t) buf->total);
 #endif
-   		up(&current->mm->mmap_sem);
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+		up_write( &current->mm->mmap_sem );
+#endif
 	}
    	buf_priv->currently_mapped = I810_BUF_UNMAPPED;
    	buf_priv->virtual = 0;