Given that BenH says using the sysdev approach for DRM is bogus, I'll yank

    the code for it, rather than introducing something that isn't going to
    work 100% of the time.

7 files changed, 1 insertions, 196 deletions

diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index bced069b..36cd2e3d 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -10,7 +10,7 @@
 drm-objs    := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
 		drm_drv.o drm_fops.o drm_ioctl.o drm_irq.o \
 		drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
-		drm_sysfs.o drm_pci.o drm_pm.o drm_agpsupport.o drm_scatter.o \
+		drm_sysfs.o drm_pci.o drm_agpsupport.o drm_scatter.o \
 		drm_memory_debug.o ati_pcigart.o
 tdfx-objs   := tdfx_drv.o
 r128-objs   := r128_drv.o r128_cce.o r128_state.o r128_irq.o
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index f38c57d4..ff2af8cf 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -80,7 +80,6 @@
 #endif
 #include <linux/poll.h>
 #include <asm/pgalloc.h>
-#include <linux/sysdev.h>
 #include "drm.h"
 
 #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
@@ -542,7 +541,6 @@ struct drm_driver {
 				      int new);
 	int (*kernel_context_switch_unlock) (struct drm_device * dev);
 	int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
-	int (*power) (struct drm_device * dev, unsigned int state);
 
 	/**
 	 * Called by \c drm_device_is_agp.  Typically used to determine if a
@@ -722,8 +720,6 @@ typedef struct drm_device {
 	struct drm_driver *driver;
 	drm_local_map_t *agp_buffer_map;
 	drm_head_t primary;		/**< primary screen head */
-
-	struct sys_device sysdev;	/**< Power Management device structure */
 } drm_device_t;
 
 static __inline__ int drm_core_check_feature(struct drm_device *dev,
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index f981631b..6ed5ce1e 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -268,9 +268,6 @@ int drm_takedown(drm_device_t * dev)
 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
 		drm_dma_takedown(dev);
 
-	if (drm_fb_loaded)
-		drm_pm_takedown(dev);
-
 	if (dev->lock.hw_lock) {
 		dev->sigdata.lock = dev->lock.hw_lock = NULL;	/* SHM removed */
 		dev->lock.filp = NULL;
@@ -339,9 +336,6 @@ int drm_init(struct drm_driver *driver,
 	if (!drm_fb_loaded)
 		pci_register_driver(&driver->pci_driver);
 	else {
-		if ((rc = drm_pm_init()))
-			return rc;
-
 		for (i = 0; pciidlist[i].vendor != 0; i++) {
 			pid = &pciidlist[i];
 
@@ -355,7 +349,6 @@ int drm_init(struct drm_driver *driver,
 				pci_dev_get(pdev);
 				if ((rc = drm_get_dev(pdev, &pciidlist[i], driver))) {
 					pci_dev_put(pdev);
-					drm_pm_exit();
 					return rc;
 				}
 			}
@@ -542,7 +535,6 @@ static void __exit drm_core_exit(void)
 	unregister_chrdev(DRM_MAJOR, "drm");
 
 	drm_free(drm_heads, sizeof(*drm_heads) * cards_limit, DRM_MEM_STUB);
-	drm_pm_exit();
 }
 
 module_init(drm_core_init);
diff --git a/linux-core/drm_pm.c b/linux-core/drm_pm.c
deleted file mode 100644
index 1e93e1da..00000000
--- a/linux-core/drm_pm.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/**
- * \file drm_pm.h 
- * Power management support
- *
- * \author José Fonseca <jrfonseca@tungstengraphics.com>
- */
-
-/*
- * Copyright 2004 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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
- * TUNGSTEN GRAPHICS 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.
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-
-#include <linux/device.h>
-#include <linux/sysdev.h>
-
-
-static int drm_suspend(struct sys_device *sysdev, u32 state)
-{
-	struct drm_device *dev = 
-			container_of(sysdev, struct drm_device, sysdev);
-
-	DRM_DEBUG("state=%d\n", state);
-
-        if (dev->driver->power)
-		return dev->driver->power(dev, state);
-	else
-		return 0;
-}
-
-static int drm_resume(struct sys_device *sysdev)
-{
-	struct drm_device *dev = 
-			container_of(sysdev, struct drm_device, sysdev);
-
-	DRM_DEBUG("\n");
-
-        if (dev->driver->power)
-		return dev->driver->power(dev, 0);
-	else
-		return 0;
-}
-
-static int shutdown(struct sys_device *sysdev)
-{
-	return 0;
-}
-
-static atomic_t sysdev_loaded = ATOMIC_INIT(-1);
-static struct sysdev_class drm_sysdev_class = {
-	set_kset_name("drm"),
-	.resume		= drm_resume,
-	.suspend	= drm_suspend,
-	.shutdown	= shutdown,
-};
-
-
-/**
- * Initialize the Power Management data.
- * 
- * \param dev DRM device.
- * \return zero on success or a negative value on failure.
- */
-int drm_pm_setup(drm_device_t *dev)
-{
-	int rc;
-
-	if (atomic_read(&sysdev_loaded) == -1)
-		return 0;
-
-	DRM_DEBUG("\n");
-
-	dev->sysdev.id = dev->primary.minor;
-	dev->sysdev.cls = &drm_sysdev_class;
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4)
-	rc = sys_device_register(&dev->sysdev);
-#else
-	rc = sysdev_register(&dev->sysdev);
-#endif
-	return rc;
-}
-
-/**
- * Cleanup the Power Management resources.
- *
- * \param dev DRM device.
- */
-void drm_pm_takedown(drm_device_t *dev)
-{
-	if (atomic_read(&sysdev_loaded) == -1)
-		return;
-
-	DRM_DEBUG("\n");
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4)
-	sys_device_unregister(&dev->sysdev);
-#else
-	sysdev_unregister(&dev->sysdev);
-#endif
-}
-
-int drm_pm_init(void)
-{
-	int rc;
-	DRM_DEBUG("\n");
-
-	/* triggers on -1 to 0 transition */
-	if (!atomic_inc_and_test(&sysdev_loaded))
-		return 0;
-
-	if ((rc = sysdev_class_register(&drm_sysdev_class))) {
-		/* reset it back to -1 */
-		atomic_dec(&sysdev_loaded);
-	} else {
-		/* inc it up to 1 so that unload will trigger on 1->0 */
-		atomic_inc(&sysdev_loaded);
-		DRM_DEBUG("registered\n");
-	}
-	return rc;
-}
-
-void __exit drm_pm_exit(void)
-{
-	DRM_DEBUG("\n");
-	/* triggers on the 1 to 0 transistion */
-	if (atomic_dec_and_test(&sysdev_loaded)) {
-		sysdev_class_unregister(&drm_sysdev_class);
-		DRM_DEBUG("unregisted\n");
-	}
-}
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index d7baeb84..7d0e075a 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -94,10 +94,6 @@ static int fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
 
 	dev->driver = driver;
 
-	if (drm_fb_loaded)
-		if ((retcode = drm_pm_setup( dev )))
-			goto error_out_unreg;
-
 	if (dev->driver->preinit)
 		if ((retcode = dev->driver->preinit(dev, ent->driver_data)))
 			goto error_out_unreg;
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 28154c8c..de6780ec 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -90,7 +90,6 @@ static struct drm_driver driver = {
 	.postinit = postinit,
 	.version = version,
 	.ioctls = i915_ioctls,
-	.power = i915_power,
 	.fops = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
diff --git a/shared-core/i915_pm.c b/shared-core/i915_pm.c
index d2914aa4..e4bda0ce 100644
--- a/shared-core/i915_pm.c
+++ b/shared-core/i915_pm.c
@@ -165,29 +165,3 @@ int i915_resume( struct pci_dev *pdev )
 
 	return 0;
 }
-
-int i915_power( drm_device_t *dev, unsigned int state )
-{
-	drm_i915_private_t *dev_priv =
-		(drm_i915_private_t *)dev->dev_private;
-
-	DRM_DEBUG("%s state=%d\n", __FUNCTION__, state);
-
-	if (!dev_priv) return 0;
-
-	/* Save state for power up later */
-	if (state != 0) {
-		I915_WRITE( SRX_INDEX, SR01 );
-		dev_priv->sr01 = I915_READ( SRX_DATA );
-		dev_priv->dvoc = I915_READ( DVOC );
-		dev_priv->dvob = I915_READ( DVOB );
-		dev_priv->lvds = I915_READ( LVDS );
-		dev_priv->adpa = I915_READ( ADPA );
-		dev_priv->ppcr = I915_READ( PPCR );
-	}
-
-	/* D0: set DPMS mode on */
-	i915_set_dpms(dev, state);
-
-	return 0;
-}