From f3ae6786f89a4f63dbba93c5519d3792a1744dd7 Mon Sep 17 00:00:00 2001
From: Rik Faith <faith@alephnull.com>
Date: Fri, 4 Aug 2000 10:04:55 +0000
Subject: Sync with Linux 2.4.0-test6-pre2

---
 linux-core/tdfx_drv.c | 41 ++++++++++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 17 deletions(-)

(limited to 'linux-core/tdfx_drv.c')

diff --git a/linux-core/tdfx_drv.c b/linux-core/tdfx_drv.c
index 97bd4180..ba8c40ce 100644
--- a/linux-core/tdfx_drv.c
+++ b/linux-core/tdfx_drv.c
@@ -31,13 +31,8 @@
  */
 
 #include <linux/config.h>
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
 #include "drmP.h"
 #include "tdfx_drv.h"
-EXPORT_SYMBOL(tdfx_init);
-EXPORT_SYMBOL(tdfx_cleanup);
 
 #define TDFX_NAME	 "tdfx"
 #define TDFX_DESC	 "3dfx Banshee/Voodoo3+"
@@ -94,7 +89,7 @@ static drm_ioctl_desc_t	      tdfx_ioctls[] = {
 	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	     = { tdfx_lock,	  1, 0 },
 	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]     = { tdfx_unlock,	  1, 0 },
 	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]     = { drm_finish,	  1, 0 },
-#ifdef DRM_AGP
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
 	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)]   = {drm_agp_acquire, 1, 1},
 	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)]   = {drm_agp_release, 1, 1},
 	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]    = {drm_agp_enable,  1, 1},
@@ -115,9 +110,6 @@ MODULE_AUTHOR("VA Linux Systems, Inc.");
 MODULE_DESCRIPTION("tdfx");
 MODULE_PARM(tdfx, "s");
 
-module_init(tdfx_init);
-module_exit(tdfx_cleanup);
-
 #ifndef MODULE
 /* tdfx_options is called by the kernel to parse command-line options
  * passed via the boot-loader (e.g., LILO).  It calls the insmod option
@@ -230,7 +222,7 @@ static int tdfx_takedown(drm_device_t *dev)
 		}
 		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
 	}
-#ifdef DRM_AGP
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
 				/* Clear AGP information */
 	if (dev->agp) {
 		drm_agp_mem_t *temp;
@@ -306,7 +298,7 @@ static int tdfx_takedown(drm_device_t *dev)
 /* tdfx_init is called via init_module at module load time, or via
  * linux/init/main.c (this is not currently supported). */
 
-int tdfx_init(void)
+static int tdfx_init(void)
 {
 	int		      retcode;
 	drm_device_t	      *dev = &tdfx_device;
@@ -330,7 +322,7 @@ int tdfx_init(void)
 
 	drm_mem_init();
 	drm_proc_init(dev);
-#ifdef DRM_AGP
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
 	dev->agp    = drm_agp_init();
 #endif
 	if((retcode = drm_ctxbitmap_init(dev))) {
@@ -354,7 +346,7 @@ int tdfx_init(void)
 
 /* tdfx_cleanup is called via cleanup_module at module unload time. */
 
-void tdfx_cleanup(void)
+static void tdfx_cleanup(void)
 {
 	drm_device_t	      *dev = &tdfx_device;
 
@@ -368,7 +360,7 @@ void tdfx_cleanup(void)
 	}
 	drm_ctxbitmap_cleanup(dev);
 	tdfx_takedown(dev);
-#ifdef DRM_AGP
+#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
 	if (dev->agp) {
 		drm_agp_uninit();
 		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
@@ -377,6 +369,10 @@ void tdfx_cleanup(void)
 #endif
 }
 
+module_init(tdfx_init);
+module_exit(tdfx_cleanup);
+
+
 int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd,
 		  unsigned long arg)
 {
@@ -418,7 +414,9 @@ int tdfx_open(struct inode *inode, struct file *filp)
 	
 	DRM_DEBUG("open_count = %d\n", dev->open_count);
 	if (!(retcode = drm_open_helper(inode, filp, dev))) {
-		MOD_INC_USE_COUNT;
+#if LINUX_VERSION_CODE < 0x020333
+		MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
+#endif
 		atomic_inc(&dev->total_open);
 		spin_lock(&dev->count_lock);
 		if (!dev->open_count++) {
@@ -433,12 +431,17 @@ int tdfx_open(struct inode *inode, struct file *filp)
 int tdfx_release(struct inode *inode, struct file *filp)
 {
 	drm_file_t    *priv   = filp->private_data;
-	drm_device_t  *dev    = priv->dev;
+	drm_device_t  *dev;
 	int	      retcode = 0;
 
+	lock_kernel();
+	dev = priv->dev;
+
 	DRM_DEBUG("open_count = %d\n", dev->open_count);
 	if (!(retcode = drm_release(inode, filp))) {
-		MOD_DEC_USE_COUNT;
+#if LINUX_VERSION_CODE < 0x020333
+		MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
+#endif
 		atomic_inc(&dev->total_close);
 		spin_lock(&dev->count_lock);
 		if (!--dev->open_count) {
@@ -447,13 +450,17 @@ int tdfx_release(struct inode *inode, struct file *filp)
 					  atomic_read(&dev->ioctl_count),
 					  dev->blocked);
 				spin_unlock(&dev->count_lock);
+				unlock_kernel();
 				return -EBUSY;
 			}
 			spin_unlock(&dev->count_lock);
+			unlock_kernel();
 			return tdfx_takedown(dev);
 		}
 		spin_unlock(&dev->count_lock);
 	}
+
+	unlock_kernel();
 	return retcode;
 }
 
-- 
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