X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fchar%2Fdrm%2Fi810_dma.c;h=603d17fd2d6912e556250a758b7e3336b96bb3b4;hb=0515b93c0ea89eb2120b0ec1d148359da01ad2e5;hp=c658dde3633b4307b4e38d79eafdf079ab56af0d;hpb=74d89c16735d83349ea74232031819e989a49156;p=powerpc.git diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index c658dde363..603d17fd2d 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -106,13 +106,13 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) unlock_kernel(); if (io_remap_pfn_range(vma, vma->vm_start, - VM_OFFSET(vma) >> PAGE_SHIFT, + vma->vm_pgoff, vma->vm_end - vma->vm_start, vma->vm_page_prot)) return -EAGAIN; return 0; } -static struct file_operations i810_buffer_fops = { +static const struct file_operations i810_buffer_fops = { .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, @@ -141,10 +141,10 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp) MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; - if ((unsigned long)buf_priv->virtual > -1024UL) { + if (IS_ERR(buf_priv->virtual)) { /* Real error */ DRM_ERROR("mmap error\n"); - retcode = (signed int)buf_priv->virtual; + retcode = PTR_ERR(buf_priv->virtual); buf_priv->virtual = NULL; } up_write(¤t->mm->mmap_sem); @@ -219,8 +219,7 @@ static int i810_dma_cleanup(drm_device_t * dev) (drm_i810_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *)dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_core_ioremapfree(&dev_priv->ring.map, dev); } if (dev_priv->hw_status_page) { pci_free_consistent(dev->pdev, PAGE_SIZE, @@ -236,9 +235,9 @@ static int i810_dma_cleanup(drm_device_t * dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[i]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; + if (buf_priv->kernel_virtual && buf->total) - drm_ioremapfree(buf_priv->kernel_virtual, - buf->total, dev); + drm_core_ioremapfree(&buf_priv->map, dev); } } return 0; @@ -311,8 +310,15 @@ static int i810_freelist_init(drm_device_t * dev, drm_i810_private_t * dev_priv) *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->map.offset = buf->bus_address; + buf_priv->map.size = buf->total; + buf_priv->map.type = _DRM_AGP; + buf_priv->map.flags = 0; + buf_priv->map.mtrr = 0; + + drm_core_ioremap(&buf_priv->map, dev); + buf_priv->kernel_virtual = buf_priv->map.handle; + } return 0; } @@ -363,18 +369,24 @@ static int i810_dma_initialize(drm_device_t * dev, dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.map.offset = dev->agp->base + init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = _DRM_AGP; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; - if (dev_priv->ring.virtual_start == NULL) { + drm_core_ioremap(&dev_priv->ring.map, dev); + + if (dev_priv->ring.map.handle == NULL) { dev->dev_private = (void *)dev_priv; i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return DRM_ERR(ENOMEM); } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; @@ -808,7 +820,7 @@ static void i810_dma_dispatch_vertex(drm_device_t * dev, ((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2))); if (used & 4) { - *(u32 *) ((u32) buf_priv->kernel_virtual + used) = 0; + *(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0; used += 4; } @@ -1166,7 +1178,7 @@ static void i810_dma_dispatch_mc(drm_device_t * dev, drm_buf_t * buf, int used, if (buf_priv->currently_mapped == I810_BUF_MAPPED) { if (used & 4) { - *(u32 *) ((u32) buf_priv->virtual + used) = 0; + *(u32 *) ((char *) buf_priv->virtual + used) = 0; used += 4; }