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-rw-r--r--linux/sis_context.c33
-rw-r--r--linux/sis_ds.c31
-rw-r--r--linux/sis_ds.h29
3 files changed, 77 insertions, 16 deletions
diff --git a/linux/sis_context.c b/linux/sis_context.c
index cabd3868..df66268c 100644
--- a/linux/sis_context.c
+++ b/linux/sis_context.c
@@ -2,6 +2,7 @@
* Created: Thu Oct 7 10:50:22 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -24,12 +25,12 @@
* DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Rickard E. (Rik) Faith <faith@precisioninsight.com>
- *
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ * Daryll Strauss <daryll@valinux.com>
+ * Sung-Ching Lin <sclin@sis.com.tw>
+ *
*/
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_context.c,v 1.2 2000/08/04 03:51:47 tsi Exp $ */
-
-#include <linux/sched.h>
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_context.c,v 1.5 2000/08/28 02:43:16 tsi Exp $ */
#define __NO_VERSION__
#include "drmP.h"
@@ -39,9 +40,7 @@ extern drm_ctx_t sis_res_ctx;
static int sis_alloc_queue(drm_device_t *dev)
{
- static int context = 0;
-
- return ++context; /* Should this reuse contexts in the future? */
+ return drm_ctxbitmap_next(dev);
}
int sis_context_switch(drm_device_t *dev, int old, int new)
@@ -138,10 +137,15 @@ int sis_addctx(struct inode *inode, struct file *filp, unsigned int cmd,
ctx.handle = sis_alloc_queue(dev);
}
DRM_DEBUG("%d\n", ctx.handle);
-
+ if (ctx.handle == -1) {
+ DRM_DEBUG("Not enough free contexts.\n");
+ /* Should this return -EBUSY instead? */
+ return -ENOMEM;
+ }
+
/* new added */
sis_init_context(ctx.handle);
-
+
copy_to_user_ret((drm_ctx_t *)arg, &ctx, sizeof(ctx), -EFAULT);
return 0;
}
@@ -198,16 +202,13 @@ int sis_newctx(struct inode *inode, struct file *filp, unsigned int cmd,
int sis_rmctx(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
drm_ctx_t ctx;
copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT);
DRM_DEBUG("%d\n", ctx.handle);
- /* This is currently a noop because we
- don't reuse context values. Perhaps we
- should? */
-
- /* new added */
- sis_final_context(ctx.handle);
+ drm_ctxbitmap_free(dev, ctx.handle);
return 0;
}
diff --git a/linux/sis_ds.c b/linux/sis_ds.c
index 592722c7..525d16a6 100644
--- a/linux/sis_ds.c
+++ b/linux/sis_ds.c
@@ -1,3 +1,34 @@
+/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*-
+ * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
+ *
+ * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * 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
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Sung-Ching Lin <sclin@sis.com.tw>
+ *
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_ds.c,v 1.2 2000/08/04 03:51:47 tsi Exp $ */
+
#define __NO_VERSION__
#include <linux/module.h>
#include <linux/delay.h>
diff --git a/linux/sis_ds.h b/linux/sis_ds.h
index 87a8b03d..2258b755 100644
--- a/linux/sis_ds.h
+++ b/linux/sis_ds.h
@@ -1,3 +1,32 @@
+/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*-
+ * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw
+ *
+ * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * 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
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Sung-Ching Lin <sclin@sis.com.tw>
+ *
+ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_ds.h,v 1.2 2000/08/04 03:51:47 tsi Exp $ */
#ifndef _sis_ds_h_