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-rw-r--r--linux/drm_vm.h6
-rw-r--r--linux/i810_dma.c56
-rw-r--r--linux/i810_drv.h2
-rw-r--r--linux/i830_dma.c33
-rw-r--r--linux/i830_drv.h2
5 files changed, 28 insertions, 71 deletions
diff --git a/linux/drm_vm.h b/linux/drm_vm.h
index 52dfd594..683c0857 100644
--- a/linux/drm_vm.h
+++ b/linux/drm_vm.h
@@ -71,7 +71,7 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
* Find the right map
*/
- if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+ if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error;
list_for_each(list, &dev->maplist->head) {
r_list = (drm_map_list_t *)list;
@@ -408,7 +408,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
vma->vm_flags &= VM_MAYWRITE;
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
#else
/* Ye gads this is ugly. With more thought
@@ -435,7 +435,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
if (VM_OFFSET(vma) >= __pa(high_memory)) {
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
diff --git a/linux/i810_dma.c b/linux/i810_dma.c
index f4eef3a3..e95554a6 100644
--- a/linux/i810_dma.c
+++ b/linux/i810_dma.c
@@ -39,6 +39,12 @@
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
+#ifdef DO_MUNMAP_4_ARGS
+#define DO_MUNMAP(m, a, l) do_munmap(m, a, l, 1)
+#else
+#define DO_MUNMAP(m, a, l) do_munmap(m, a, l)
+#endif
+
#define I810_BUF_FREE 2
#define I810_BUF_CLIENT 1
#define I810_BUF_HARDWARE 0
@@ -218,7 +224,7 @@ static int i810_unmap_buffer(drm_buf_t *buf)
#else
down_write( &current->mm->mmap_sem );
#endif
- retcode = do_munmap(current->mm,
+ retcode = DO_MUNMAP(current->mm,
(unsigned long)buf_priv->virtual,
(size_t) buf->total);
#if LINUX_VERSION_CODE <= 0x020402
@@ -263,44 +269,6 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d,
return retcode;
}
-static unsigned long i810_alloc_page(drm_device_t *dev)
-{
- unsigned long address;
-
- address = __get_free_page(GFP_KERNEL);
- if(address == 0UL)
- return 0;
-
-#if LINUX_VERSION_CODE < 0x020409
- atomic_inc(&virt_to_page(address)->count);
- set_bit(PG_locked, &virt_to_page(address)->flags);
-#else
- get_page(virt_to_page(address));
-#if LINUX_VERSION_CODE < 0x020500
- LockPage(virt_to_page(address));
-#else
- SetPageLocked(virt_to_page(address));
-#endif
-#endif
- return address;
-}
-
-static void i810_free_page(drm_device_t *dev, unsigned long page)
-{
- if (page) {
-#if LINUX_VERSION_CODE < 0x020409
- atomic_dec(&virt_to_page(page)->count);
- clear_bit(PG_locked, &virt_to_page(page)->flags);
- wake_up(&virt_to_page(page)->wait);
-#else
- struct page *p = virt_to_page(page);
- put_page(p);
- unlock_page(p);
-#endif
- free_page(page);
- }
-}
-
static int i810_dma_cleanup(drm_device_t *dev)
{
drm_device_dma_t *dma = dev->dma;
@@ -315,7 +283,9 @@ static int i810_dma_cleanup(drm_device_t *dev)
dev_priv->ring.Size);
}
if(dev_priv->hw_status_page != 0UL) {
- i810_free_page(dev, dev_priv->hw_status_page);
+ pci_free_consistent(dev->pdev, PAGE_SIZE,
+ (void *)dev_priv->hw_status_page,
+ dev_priv->dma_status_page);
/* Need to rewrite hardware status page */
I810_WRITE(0x02080, 0x1ffff000);
}
@@ -475,7 +445,9 @@ static int i810_dma_initialize(drm_device_t *dev,
dev_priv->zi1 = init->depth_offset | init->pitch_bits;
/* Program Hardware Status Page */
- dev_priv->hw_status_page = i810_alloc_page(dev);
+ dev_priv->hw_status_page =
+ (unsigned long) pci_alloc_consistent(dev->pdev, PAGE_SIZE,
+ &dev_priv->dma_status_page);
if(dev_priv->hw_status_page == 0UL) {
dev->dev_private = (void *)dev_priv;
i810_dma_cleanup(dev);
@@ -485,7 +457,7 @@ static int i810_dma_initialize(drm_device_t *dev,
memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
- I810_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+ I810_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
/* Now we need to init our freelist */
diff --git a/linux/i810_drv.h b/linux/i810_drv.h
index 99165cf8..106abf56 100644
--- a/linux/i810_drv.h
+++ b/linux/i810_drv.h
@@ -64,6 +64,8 @@ typedef struct drm_i810_private {
unsigned long hw_status_page;
unsigned long counter;
+ dma_addr_t dma_status_page;
+
drm_buf_t *mmap_buffer;
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
index 70884373..d29e21cb 100644
--- a/linux/i830_dma.c
+++ b/linux/i830_dma.c
@@ -272,29 +272,6 @@ static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
return retcode;
}
-static unsigned long i830_alloc_page(drm_device_t *dev)
-{
- unsigned long address;
-
- address = __get_free_page(GFP_KERNEL);
- if(address == 0UL)
- return 0;
-
- get_page(virt_to_page(address));
- LockPage(virt_to_page(address));
- return address;
-}
-
-static void i830_free_page(drm_device_t *dev, unsigned long page)
-{
- if (page) {
- struct page *p = virt_to_page(page);
- put_page(p);
- UnlockPage(p);
- free_page(page);
- }
-}
-
static int i830_dma_cleanup(drm_device_t *dev)
{
drm_device_dma_t *dma = dev->dma;
@@ -309,7 +286,9 @@ static int i830_dma_cleanup(drm_device_t *dev)
dev_priv->ring.Size);
}
if(dev_priv->hw_status_page != 0UL) {
- i830_free_page(dev, dev_priv->hw_status_page);
+ pci_free_consistent(dev->pdev, PAGE_SIZE,
+ (void *)dev_priv->hw_status_page,
+ dev_priv->dma_status_page);
/* Need to rewrite hardware status page */
I830_WRITE(0x02080, 0x1ffff000);
}
@@ -483,7 +462,9 @@ static int i830_dma_initialize(drm_device_t *dev,
dev_priv->depth_pitch = init->depth_pitch;
/* Program Hardware Status Page */
- dev_priv->hw_status_page = i830_alloc_page(dev);
+ dev_priv->hw_status_page =
+ (unsigned long) pci_alloc_consistent(dev->pdev, PAGE_SIZE,
+ &dev_priv->dma_status_page);
if(dev_priv->hw_status_page == 0UL) {
dev->dev_private = (void *)dev_priv;
i830_dma_cleanup(dev);
@@ -493,7 +474,7 @@ static int i830_dma_initialize(drm_device_t *dev,
memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
- I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+ I830_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
/* Now we need to init our freelist */
diff --git a/linux/i830_drv.h b/linux/i830_drv.h
index 527d0ce3..eec640ca 100644
--- a/linux/i830_drv.h
+++ b/linux/i830_drv.h
@@ -64,6 +64,8 @@ typedef struct drm_i830_private {
unsigned long hw_status_page;
unsigned long counter;
+ dma_addr_t dma_status_page;
+
drm_buf_t *mmap_buffer;
u32 front_di1, back_di1, zi1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 08:58:00 +0000