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-rw-r--r--linux-core/Makefile4
-rw-r--r--linux-core/drmP.h39
-rw-r--r--linux-core/drm_bufs.c10
-rw-r--r--linux-core/drm_core.h8
l---------[-rw-r--r--]linux-core/drm_drawable.c57
-rw-r--r--linux-core/drm_drv.c14
-rw-r--r--linux-core/drm_irq.c155
-rw-r--r--linux-core/drm_lock.c11
-rw-r--r--linux-core/drm_stub.c4
-rw-r--r--linux-core/drm_vm.c16
-rw-r--r--linux-core/i915_drv.c4
-rw-r--r--linux-core/radeon_drv.c2
12 files changed, 231 insertions, 93 deletions
diff --git a/linux-core/Makefile b/linux-core/Makefile
index e3432b5c..87926727 100644
--- a/linux-core/Makefile
+++ b/linux-core/Makefile
@@ -75,8 +75,8 @@ DRM_MODULES ?= $(MODULE_LIST)
# These definitions are for handling dependencies in the out of kernel build.
-DRMSHARED = drm.h drm_sarea.h
-DRMHEADERS = drmP.h drm_compat.h drm_os_linux.h $(DRMSHARED)
+DRMSHARED = drm.h drm_sarea.h drm_drawable.c
+DRMHEADERS = drmP.h drm_compat.h drm_os_linux.h drm.h drm_sarea.h
COREHEADERS = drm_core.h drm_sman.h drm_hashtab.h
TDFXHEADERS = tdfx_drv.h $(DRMHEADERS)
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 6046dde6..2bbec70c 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -110,6 +110,7 @@
#define DRIVER_IRQ_VBL 0x100
#define DRIVER_DMA_QUEUE 0x200
#define DRIVER_FB_DMA 0x400
+#define DRIVER_IRQ_VBL2 0x800
/*@}*/
@@ -448,7 +449,8 @@ typedef struct drm_device_dma {
enum {
_DRM_DMA_USE_AGP = 0x01,
_DRM_DMA_USE_SG = 0x02,
- _DRM_DMA_USE_FB = 0x04
+ _DRM_DMA_USE_FB = 0x04,
+ _DRM_DMA_USE_PCI_RO = 0x08
} flags;
} drm_device_dma_t;
@@ -582,6 +584,7 @@ struct drm_driver {
int new);
void (*kernel_context_switch_unlock) (struct drm_device * dev);
int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
+ int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence);
int (*dri_library_name) (struct drm_device * dev, char * buf);
/**
@@ -732,9 +735,13 @@ typedef struct drm_device {
wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
atomic_t vbl_received;
+ atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
spinlock_t vbl_lock;
drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */
+ drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */
unsigned int vbl_pending;
+ spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
+ void (*locked_tasklet_func)(struct drm_device *dev);
/*@} */
cycles_t ctx_start;
@@ -747,6 +754,8 @@ typedef struct drm_device {
drm_agp_head_t *agp; /**< AGP data */
struct pci_dev *pdev; /**< PCI device structure */
+ int pci_vendor; /**< PCI vendor id */
+ int pci_device; /**< PCI device id */
#ifdef __alpha__
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
struct pci_controler *hose;
@@ -764,6 +773,15 @@ typedef struct drm_device {
drm_local_map_t *agp_buffer_map;
unsigned int agp_buffer_token;
drm_head_t primary; /**< primary screen head */
+
+ /** \name Drawable information */
+ /*@{ */
+ spinlock_t drw_lock;
+ unsigned int drw_bitfield_length;
+ u32 *drw_bitfield;
+ unsigned int drw_info_length;
+ drm_drawable_info_t **drw_info;
+ /*@} */
} drm_device_t;
static __inline__ int drm_core_check_feature(struct drm_device *dev,
@@ -775,7 +793,7 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev,
#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->bus->number
#else
-#define drm_get_pci_domain(dev) pci_domain_nr(dev->pdev->bus)
+#define drm_get_pci_domain(dev) 0
#endif
#if __OS_HAS_AGP
@@ -808,6 +826,18 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
}
#else
+static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
+ unsigned int flags)
+{
+ return -ENODEV;
+}
+
+static inline int drm_mtrr_del(int handle, unsigned long offset,
+ unsigned long size, unsigned int flags)
+{
+ return -ENODEV;
+}
+
#define drm_core_has_MTRR(dev) (0)
#endif
@@ -902,6 +932,10 @@ extern int drm_adddraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmdraw(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
+extern int drm_update_drawable_info(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev,
+ drm_drawable_t id);
/* Authentication IOCTL support (drm_auth.h) */
extern int drm_getmagic(struct inode *inode, struct file *filp,
@@ -966,6 +1000,7 @@ extern int drm_wait_vblank(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq);
extern void drm_vbl_send_signals(drm_device_t * dev);
+extern void drm_locked_tasklet(drm_device_t *dev, void(*func)(drm_device_t*));
/* AGP/GART support (drm_agpsupport.h) */
extern drm_agp_head_t *drm_agp_init(drm_device_t *dev);
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index abd7c829..a2a3dbf7 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -942,6 +942,9 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
request->count = entry->buf_count;
request->size = size;
+ if (request->flags & _DRM_PCI_BUFFER_RO)
+ dma->flags = _DRM_DMA_USE_PCI_RO;
+
atomic_dec(&dev->buf_alloc);
return 0;
@@ -1528,9 +1531,10 @@ int drm_freebufs(struct inode *inode, struct file *filp,
* \param arg pointer to a drm_buf_map structure.
* \return zero on success or a negative number on failure.
*
- * Maps the AGP or SG buffer region with do_mmap(), and copies information
- * about each buffer into user space. The PCI buffers are already mapped on the
- * addbufs_pci() call.
+ * Maps the AGP, SG or PCI buffer region with do_mmap(), and copies information
+ * about each buffer into user space. For PCI buffers, it calls do_mmap() with
+ * offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
+ * drm_mmap_dma().
*/
int drm_mapbufs(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
diff --git a/linux-core/drm_core.h b/linux-core/drm_core.h
index f5405fdf..705bbff7 100644
--- a/linux-core/drm_core.h
+++ b/linux-core/drm_core.h
@@ -25,11 +25,11 @@
#define CORE_NAME "drm"
#define CORE_DESC "DRM shared core routines"
-#define CORE_DATE "20051102"
+#define CORE_DATE "20060810"
#define DRM_IF_MAJOR 1
-#define DRM_IF_MINOR 2
+#define DRM_IF_MINOR 3
#define CORE_MAJOR 1
-#define CORE_MINOR 0
-#define CORE_PATCHLEVEL 1
+#define CORE_MINOR 1
+#define CORE_PATCHLEVEL 0
diff --git a/linux-core/drm_drawable.c b/linux-core/drm_drawable.c
index 7857453c..d64bbe10 100644..120000
--- a/linux-core/drm_drawable.c
+++ b/linux-core/drm_drawable.c
@@ -1,56 +1 @@
-/**
- * \file drm_drawable.c
- * IOCTLs for drawables
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.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
- * 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
- * VA LINUX SYSTEMS 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.
- */
-
-#include "drmP.h"
-
-/** No-op. */
-int drm_adddraw(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_draw_t draw;
-
- draw.handle = 0; /* NOOP */
- DRM_DEBUG("%d\n", draw.handle);
- if (copy_to_user((drm_draw_t __user *) arg, &draw, sizeof(draw)))
- return -EFAULT;
- return 0;
-}
-
-/** No-op. */
-int drm_rmdraw(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- return 0; /* NOOP */
-}
+../shared-core/drm_drawable.c \ No newline at end of file
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 5ddcd4c1..228c8b89 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -119,6 +119,8 @@ static drm_ioctl_desc_t drm_ioctls[] = {
[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0},
+
+ [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
};
#define DRIVER_IOCTL_COUNT ARRAY_SIZE( drm_ioctls )
@@ -154,6 +156,18 @@ int drm_lastclose(drm_device_t * dev)
if (dev->irq_enabled)
drm_irq_uninstall(dev);
+ /* Free drawable information memory */
+ for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield);
+ i++) {
+ drm_drawable_info_t *info = drm_get_drawable_info(dev, i);
+
+ if (info) {
+ drm_free(info->rects, info->num_rects *
+ sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+ drm_free(info, sizeof(*info), DRM_MEM_BUFS);
+ }
+ }
+
mutex_lock(&dev->struct_mutex);
del_timer(&dev->timer);
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c
index c2a9e3d6..4d8e4a25 100644
--- a/linux-core/drm_irq.c
+++ b/linux-core/drm_irq.c
@@ -120,6 +120,7 @@ static int drm_irq_install(drm_device_t * dev)
spin_lock_init(&dev->vbl_lock);
INIT_LIST_HEAD(&dev->vbl_sigs.head);
+ INIT_LIST_HEAD(&dev->vbl_sigs2.head);
dev->vbl_pending = 0;
}
@@ -174,6 +175,8 @@ int drm_irq_uninstall(drm_device_t * dev)
free_irq(dev->irq, dev);
+ dev->locked_tasklet_func = NULL;
+
return 0;
}
EXPORT_SYMBOL(drm_irq_uninstall);
@@ -245,10 +248,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
drm_wait_vblank_t vblwait;
struct timeval now;
int ret = 0;
- unsigned int flags;
-
- if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL))
- return -EINVAL;
+ unsigned int flags, seq;
if ((!dev->irq) || (!dev->irq_enabled))
return -EINVAL;
@@ -256,9 +256,26 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
if (copy_from_user(&vblwait, argp, sizeof(vblwait)))
return -EFAULT;
- switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) {
+ if (vblwait.request.type &
+ ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) {
+ DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n",
+ vblwait.request.type,
+ (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK));
+ return -EINVAL;
+ }
+
+ flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
+
+ if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ?
+ DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL))
+ return -EINVAL;
+
+ seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2
+ : &dev->vbl_received);
+
+ switch (vblwait.request.type & _DRM_VBLANK_TYPES_MASK) {
case _DRM_VBLANK_RELATIVE:
- vblwait.request.sequence += atomic_read(&dev->vbl_received);
+ vblwait.request.sequence += seq;
vblwait.request.type &= ~_DRM_VBLANK_RELATIVE;
case _DRM_VBLANK_ABSOLUTE:
break;
@@ -266,26 +283,30 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
return -EINVAL;
}
- flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
+ if ((flags & _DRM_VBLANK_NEXTONMISS) &&
+ (seq - vblwait.request.sequence) <= (1<<23)) {
+ vblwait.request.sequence = seq + 1;
+ }
if (flags & _DRM_VBLANK_SIGNAL) {
unsigned long irqflags;
+ drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
+ ? &dev->vbl_sigs2 : &dev->vbl_sigs;
drm_vbl_sig_t *vbl_sig;
- vblwait.reply.sequence = atomic_read(&dev->vbl_received);
-
spin_lock_irqsave(&dev->vbl_lock, irqflags);
/* Check if this task has already scheduled the same signal
* for the same vblank sequence number; nothing to be done in
* that case
*/
- list_for_each_entry(vbl_sig, &dev->vbl_sigs.head, head) {
+ list_for_each_entry(vbl_sig, &vbl_sigs->head, head) {
if (vbl_sig->sequence == vblwait.request.sequence
&& vbl_sig->info.si_signo == vblwait.request.signal
&& vbl_sig->task == current) {
spin_unlock_irqrestore(&dev->vbl_lock,
irqflags);
+ vblwait.reply.sequence = seq;
goto done;
}
}
@@ -313,11 +334,16 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
spin_lock_irqsave(&dev->vbl_lock, irqflags);
- list_add_tail((struct list_head *)vbl_sig, &dev->vbl_sigs.head);
+ list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head);
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+
+ vblwait.reply.sequence = seq;
} else {
- if (dev->driver->vblank_wait)
+ if (flags & _DRM_VBLANK_SECONDARY) {
+ if (dev->driver->vblank_wait2)
+ ret = dev->driver->vblank_wait2(dev, &vblwait.request.sequence);
+ } else if (dev->driver->vblank_wait)
ret =
dev->driver->vblank_wait(dev,
&vblwait.request.sequence);
@@ -345,28 +371,109 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
*/
void drm_vbl_send_signals(drm_device_t * dev)
{
- struct list_head *list, *tmp;
- drm_vbl_sig_t *vbl_sig;
- unsigned int vbl_seq = atomic_read(&dev->vbl_received);
unsigned long flags;
+ int i;
spin_lock_irqsave(&dev->vbl_lock, flags);
- list_for_each_safe(list, tmp, &dev->vbl_sigs.head) {
- vbl_sig = list_entry(list, drm_vbl_sig_t, head);
- if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
- vbl_sig->info.si_code = vbl_seq;
- send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info,
- vbl_sig->task);
+ for (i = 0; i < 2; i++) {
+ struct list_head *list, *tmp;
+ drm_vbl_sig_t *vbl_sig;
+ drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
+ unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 :
+ &dev->vbl_received);
+
+ list_for_each_safe(list, tmp, &vbl_sigs->head) {
+ vbl_sig = list_entry(list, drm_vbl_sig_t, head);
+ if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
+ vbl_sig->info.si_code = vbl_seq;
+ send_sig_info(vbl_sig->info.si_signo,
+ &vbl_sig->info, vbl_sig->task);
- list_del(list);
+ list_del(list);
- drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER);
+ drm_free(vbl_sig, sizeof(*vbl_sig),
+ DRM_MEM_DRIVER);
- dev->vbl_pending--;
+ dev->vbl_pending--;
+ }
}
}
spin_unlock_irqrestore(&dev->vbl_lock, flags);
}
EXPORT_SYMBOL(drm_vbl_send_signals);
+
+/**
+ * Tasklet wrapper function.
+ *
+ * \param data DRM device in disguise.
+ *
+ * Attempts to grab the HW lock and calls the driver callback on success. On
+ * failure, leave the lock marked as contended so the callback can be called
+ * from drm_unlock().
+ */
+static void drm_locked_tasklet_func(unsigned long data)
+{
+ drm_device_t *dev = (drm_device_t*)data;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+
+ if (!dev->locked_tasklet_func ||
+ !drm_lock_take(&dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT)) {
+ spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+ return;
+ }
+
+ dev->lock.lock_time = jiffies;
+ atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
+
+ dev->locked_tasklet_func(dev);
+
+ drm_lock_free(dev, &dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT);
+
+ dev->locked_tasklet_func = NULL;
+
+ spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+}
+
+/**
+ * Schedule a tasklet to call back a driver hook with the HW lock held.
+ *
+ * \param dev DRM device.
+ * \param func Driver callback.
+ *
+ * This is intended for triggering actions that require the HW lock from an
+ * interrupt handler. The lock will be grabbed ASAP after the interrupt handler
+ * completes. Note that the callback may be called from interrupt or process
+ * context, it must not make any assumptions about this. Also, the HW lock will
+ * be held with the kernel context or any client context.
+ */
+void drm_locked_tasklet(drm_device_t *dev, void (*func)(drm_device_t*))
+{
+ unsigned long irqflags;
+ static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0);
+
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) ||
+ test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state))
+ return;
+
+ spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+
+ if (dev->locked_tasklet_func) {
+ spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+ return;
+ }
+
+ dev->locked_tasklet_func = func;
+
+ spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+
+ drm_tasklet.data = (unsigned long)dev;
+
+ tasklet_hi_schedule(&drm_tasklet);
+}
+EXPORT_SYMBOL(drm_locked_tasklet);
diff --git a/linux-core/drm_lock.c b/linux-core/drm_lock.c
index 7aa00bc2..d1b85a15 100644
--- a/linux-core/drm_lock.c
+++ b/linux-core/drm_lock.c
@@ -152,6 +152,7 @@ int drm_unlock(struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_lock_t lock;
+ unsigned long irqflags;
if (copy_from_user(&lock, (drm_lock_t __user *) arg, sizeof(lock)))
return -EFAULT;
@@ -162,6 +163,16 @@ int drm_unlock(struct inode *inode, struct file *filp,
return -EINVAL;
}
+ spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+
+ if (dev->locked_tasklet_func) {
+ dev->locked_tasklet_func(dev);
+
+ dev->locked_tasklet_func = NULL;
+ }
+
+ spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+
atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
/* kernel_context_switch isn't used by any of the x86 drm
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index bdc36552..839cf441 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -61,11 +61,15 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
int retcode;
spin_lock_init(&dev->count_lock);
+ spin_lock_init(&dev->drw_lock);
+ spin_lock_init(&dev->tasklet_lock);
init_timer(&dev->timer);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
dev->pdev = pdev;
+ dev->pci_device = pdev->device;
+ dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 9672269a..adff7d1a 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -506,6 +506,22 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
}
unlock_kernel();
+ if (!capable(CAP_SYS_ADMIN) &&
+ (dma->flags & _DRM_DMA_USE_PCI_RO)) {
+ vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
+#if defined(__i386__) || defined(__x86_64__)
+ pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
+#else
+ /* Ye gads this is ugly. With more thought
+ we could move this up higher and use
+ `protection_map' instead. */
+ vma->vm_page_prot =
+ __pgprot(pte_val
+ (pte_wrprotect
+ (__pte(pgprot_val(vma->vm_page_prot)))));
+#endif
+ }
+
vma->vm_ops = &drm_vm_dma_ops;
#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index c6e25f9b..209500be 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -45,12 +45,14 @@ static struct drm_driver driver = {
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR | */
- DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
+ DRIVER_IRQ_VBL2,
.load = i915_driver_load,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
.device_is_agp = i915_driver_device_is_agp,
.vblank_wait = i915_driver_vblank_wait,
+ .vblank_wait2 = i915_driver_vblank_wait2,
.irq_preinstall = i915_driver_irq_preinstall,
.irq_postinstall = i915_driver_irq_postinstall,
.irq_uninstall = i915_driver_irq_uninstall,
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c
index fca2d4e7..b15e983e 100644
--- a/linux-core/radeon_drv.c
+++ b/linux-core/radeon_drv.c
@@ -45,7 +45,7 @@ module_param_named(no_wb, radeon_no_wb, int, 0444);
static int dri_library_name(struct drm_device * dev, char * buf)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
- int family = dev_priv->flags & CHIP_FAMILY_MASK;
+ int family = dev_priv->flags & RADEON_FAMILY_MASK;
return snprintf(buf, PAGE_SIZE, "%s\n",
(family < CHIP_R200) ? "radeon" :
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 19:10:33 +0000