Merge the trunk onto the tdfx-2-1 branch. Now up to date with 4.0.1.tdfx-2-1-20000711

12 files changed, 55 insertions, 23 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 1174a0fa..e4bc53bc 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -27,7 +27,7 @@
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *	    Kevin E. Martin <martin@valinux.com>
  *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.10 2000/02/23 04:47:23 martin Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.14 2000/06/27 16:42:07 alanh Exp $
  * 
  */
 
@@ -68,6 +68,13 @@ extern int xf86RemoveSIGIOHandler(int fd);
 # endif
 #endif
 
+#ifdef __alpha__
+extern unsigned long _bus_base(void);
+#define BUS_BASE _bus_base()
+#else
+#define BUS_BASE (0)
+#endif
+
 /* Not all systems have MAP_FAILED defined */
 #ifndef MAP_FAILED
 #define MAP_FAILED ((void *)-1)
@@ -270,7 +277,7 @@ static int drmOpenByName(const char *name)
 
 #if defined(XFree86Server)
     mode  = xf86ConfigDRI.mode ? xf86ConfigDRI.mode : DRM_DEV_MODE;
-    group = xf86ConfigDRI.group ? xf86ConfigDRI.group : DRM_DEV_GID;
+    group = (xf86ConfigDRI.group >= 0) ? xf86ConfigDRI.group : DRM_DEV_GID;
 #endif
 
 #if defined(XFree86Server)
@@ -496,6 +503,10 @@ int drmAddMap(int fd,
     drm_map_t map;
 
     map.offset  = offset;
+#ifdef __alpha__
+    if (!(type & DRM_SHM))
+	map.offset += BUS_BASE;
+#endif
     map.size    = size;
     map.handle  = 0;
     map.type    = type;
diff --git a/libdrm/xf86drmHash.c b/libdrm/xf86drmHash.c
index 17089e44..24b698cc 100644
--- a/libdrm/xf86drmHash.c
+++ b/libdrm/xf86drmHash.c
@@ -25,7 +25,7 @@
  * 
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmHash.c,v 1.2 2000/02/23 04:47:23 martin Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmHash.c,v 1.3 2000/06/17 00:03:34 martin Exp $
  *
  * DESCRIPTION
  *
diff --git a/libdrm/xf86drmRandom.c b/libdrm/xf86drmRandom.c
index 71ef1155..9e1e9ee2 100644
--- a/libdrm/xf86drmRandom.c
+++ b/libdrm/xf86drmRandom.c
@@ -25,7 +25,7 @@
  * 
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmRandom.c,v 1.3 2000/02/23 04:47:23 martin Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmRandom.c,v 1.4 2000/06/17 00:03:34 martin Exp $
  *
  * DESCRIPTION
  *
diff --git a/libdrm/xf86drmSL.c b/libdrm/xf86drmSL.c
index f67434be..dd634c30 100644
--- a/libdrm/xf86drmSL.c
+++ b/libdrm/xf86drmSL.c
@@ -25,7 +25,7 @@
  * 
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmSL.c,v 1.2 2000/02/23 04:47:24 martin Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmSL.c,v 1.3 2000/06/17 00:03:34 martin Exp $
  *
  * DESCRIPTION
  *
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index a169473a..e262213a 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -9,7 +9,7 @@
 # Note 2! The CFLAGS definitions are now inherited from the
 # parent makes..
 #
-# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.5 2000/02/14 06:27:25 martin Exp $
+# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $
 
 L_TARGET        := libdrm.a
 
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index 94f35b61..96b7a44f 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -211,7 +211,7 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 
 	if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL;
 	down(&current->mm->mmap_sem);
-        retcode = do_munmap((unsigned long)buf_priv->virtual, 
+        retcode = do_munmap(current->mm, (unsigned long)buf_priv->virtual, 
 			    (size_t) buf->total);
    	buf_priv->currently_mapped = I810_BUF_UNMAPPED;
    	buf_priv->virtual = 0;
diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c
index 8b669888..4c065551 100644
--- a/linux-core/r128_drv.c
+++ b/linux-core/r128_drv.c
@@ -369,6 +369,13 @@ int r128_init(void)
 
 #ifdef DRM_AGP
 	dev->agp    = drm_agp_init();
+      	if (dev->agp == NULL) {
+	   	DRM_ERROR("Cannot initialize agpgart module.\n");
+	   	drm_proc_cleanup();
+	   	misc_deregister(&r128_misc);
+	   	r128_takedown(dev);
+	   	return -ENOMEM;
+	}
 
 #ifdef CONFIG_MTRR
 	dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base,
diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel
index a169473a..e262213a 100644
--- a/linux/Makefile.kernel
+++ b/linux/Makefile.kernel
@@ -9,7 +9,7 @@
 # Note 2! The CFLAGS definitions are now inherited from the
 # parent makes..
 #
-# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.5 2000/02/14 06:27:25 martin Exp $
+# $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.6 2000/06/17 00:03:34 martin Exp $
 
 L_TARGET        := libdrm.a
 
diff --git a/linux/i810_dma.c b/linux/i810_dma.c
index 94f35b61..96b7a44f 100644
--- a/linux/i810_dma.c
+++ b/linux/i810_dma.c
@@ -211,7 +211,7 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 
 	if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL;
 	down(&current->mm->mmap_sem);
-        retcode = do_munmap((unsigned long)buf_priv->virtual, 
+        retcode = do_munmap(current->mm, (unsigned long)buf_priv->virtual, 
 			    (size_t) buf->total);
    	buf_priv->currently_mapped = I810_BUF_UNMAPPED;
    	buf_priv->virtual = 0;
diff --git a/linux/mga_dma.c b/linux/mga_dma.c
index 25e3622c..28e8811c 100644
--- a/linux/mga_dma.c
+++ b/linux/mga_dma.c
@@ -572,10 +572,12 @@ int mga_dma_schedule(drm_device_t *dev, int locked)
 {
       	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
       	drm_device_dma_t  *dma	    = dev->dma;
+	int retval = 0;
 
    	if (test_and_set_bit(0, &dev->dma_flag)) {
 		atomic_inc(&dma->total_missed_dma);
-		return -EBUSY;
+		retval = -EBUSY;
+		goto sch_out_wakeup;
 	}
    
 	DRM_DEBUG("%s\n", __FUNCTION__);
@@ -591,7 +593,8 @@ int mga_dma_schedule(drm_device_t *dev, int locked)
 	   	atomic_inc(&dma->total_missed_lock);
 	   	clear_bit(0, &dev->dma_flag);
 		DRM_DEBUG("Not locked\n");
-	   	return -EBUSY;
+		retval = -EBUSY;
+		goto sch_out_wakeup;
 	}
    	DRM_DEBUG("I'm locked\n");
 
@@ -621,12 +624,12 @@ int mga_dma_schedule(drm_device_t *dev, int locked)
 		}
 	}
 
+sch_out_wakeup:
       	if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) &&
-	   dev_priv->next_prim->num_dwords == 0 &&
 	   atomic_read(&dev_priv->pending_bufs) == 0) {
-	   	/* Everything has been processed by the hardware */
+		/* Everything has been processed by the hardware */
 		clear_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status);
-	   	wake_up_interruptible(&dev_priv->flush_queue);
+		wake_up_interruptible(&dev_priv->flush_queue);
 	}
 
 	if(test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) &&
@@ -641,7 +644,7 @@ int mga_dma_schedule(drm_device_t *dev, int locked)
 	}
 
    	clear_bit(0, &dev->dma_flag);
-	return 0;
+	return retval;
 }
 
 static void mga_dma_service(int irq, void *device, struct pt_regs *regs)
@@ -956,11 +959,11 @@ static int mga_flush_queue(drm_device_t *dev)
 	}
    
    	if(dev_priv->next_prim->num_dwords != 0) {
-		set_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status);
    		current->state = TASK_INTERRUPTIBLE;
    		add_wait_queue(&dev_priv->flush_queue, &entry);
+		set_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status);
+		mga_dma_schedule(dev, 0);
    		for (;;) {
-		   	mga_dma_schedule(dev, 0);
 	   		if (!test_bit(MGA_IN_FLUSH, 
 				      &dev_priv->dispatch_status)) 
 				break;
@@ -1093,14 +1096,15 @@ int mga_flush_ioctl(struct inode *inode, struct file *filp,
 	}
 
    	if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) {
-		drm_mga_prim_buf_t *temp_buf =
-			dev_priv->prim_bufs[dev_priv->current_prim_idx];
+		drm_mga_prim_buf_t *temp_buf;
+
+		temp_buf = dev_priv->current_prim;
 
 		if(temp_buf && temp_buf->num_dwords) {
 			set_bit(MGA_BUF_FORCE_FIRE, &temp_buf->buffer_status);
 			mga_advance_primary(dev);
-			mga_dma_schedule(dev, 1);
  		}
+		mga_dma_schedule(dev, 1);
 	}
    	if(lock.flags & _DRM_LOCK_QUIESCENT) {
 		mga_flush_queue(dev);
diff --git a/linux/mga_state.c b/linux/mga_state.c
index 0f7da2c7..723ccc53 100644
--- a/linux/mga_state.c
+++ b/linux/mga_state.c
@@ -546,7 +546,6 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
 				  10 + 15 * MGA_NR_SAREA_CLIPRECTS);
 		PRIM_OVERFLOW(dev, dev_priv, primary_needed);
 		mgaEmitState(dev_priv);
-
 		do {
 			if (i < sarea_priv->nbox) {
 				DRM_DEBUG("idx %d Emit box %d/%d:"
@@ -572,7 +571,6 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
 			PRIMADVANCE(dev_priv);
 		} while (++i < sarea_priv->nbox);
 	}
-
 	if (buf_priv->discard) {
 		if (buf_priv->dispatched == 1)
 			AGEBUF(dev_priv, buf_priv);
@@ -748,10 +746,15 @@ static void mga_dma_dispatch_swap(drm_device_t * dev)
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
 	primary_needed = nbox * 5;
-	primary_needed += 60;
+	primary_needed += 65;
 	PRIM_OVERFLOW(dev, dev_priv, primary_needed);
 	PRIMGETPTR(dev_priv);
 
+	PRIMOUTREG(MGAREG_DMAPAD, 0);
+	PRIMOUTREG(MGAREG_DMAPAD, 0);
+	PRIMOUTREG(MGAREG_DWGSYNC, 0x7100);
+	PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
+
 	PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset);
 	PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess);
 	PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset);
diff --git a/linux/r128_drv.c b/linux/r128_drv.c
index 8b669888..4c065551 100644
--- a/linux/r128_drv.c
+++ b/linux/r128_drv.c
@@ -369,6 +369,13 @@ int r128_init(void)
 
 #ifdef DRM_AGP
 	dev->agp    = drm_agp_init();
+      	if (dev->agp == NULL) {
+	   	DRM_ERROR("Cannot initialize agpgart module.\n");
+	   	drm_proc_cleanup();
+	   	misc_deregister(&r128_misc);
+	   	r128_takedown(dev);
+	   	return -ENOMEM;
+	}
 
 #ifdef CONFIG_MTRR
 	dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base,