From b3a20ce219b353aa3e2b7f3b47ffd28b279557c7 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Tue, 22 Oct 2002 23:38:53 +0000 Subject: final part of XFree86 4.2.99.2 merge --- linux/drm_vm.h | 6 +++--- linux/i810_dma.c | 56 ++++++++++++++------------------------------------------ linux/i810_drv.h | 2 ++ linux/i830_dma.c | 33 +++++++-------------------------- linux/i830_drv.h | 2 ++ 5 files changed, 28 insertions(+), 71 deletions(-) (limited to 'linux') 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 /* For task queue support */ #include +#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( ¤t->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; -- cgit v1.2.3