From 9c8da5ebbf6f87293cf8555182da271449889a69 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 10 Jul 2005 15:38:56 +1000 Subject: drm: update support for drm pci buffers The DRM needs to change the drm_pci interface for FreeBSD compatiblity, this patch introduces the drm_dma_handle_t and uses it in the Linux code. From: Tonnerre Lombard, Eric Anholt, and Sergey Vlasov Signed-off-by: David Airlie --- drivers/char/drm/drm_bufs.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) (limited to 'drivers/char/drm/drm_bufs.c') diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index eb3cf550626..be54efbefe8 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -90,6 +90,7 @@ int drm_addmap( struct inode *inode, struct file *filp, drm_map_t *map; drm_map_t __user *argp = (void __user *)arg; drm_map_list_t *list; + drm_dma_handle_t *dmah; if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ @@ -181,21 +182,19 @@ int drm_addmap( struct inode *inode, struct file *filp, map->offset += dev->sg->handle; break; case _DRM_CONSISTENT: - { /* dma_addr_t is 64bit on i386 with CONFIG_HIGHMEM64G, - * As we're limit the address to 2^32-1 (or lses), + * As we're limiting the address to 2^32-1 (or less), * casting it down to 32 bits is no problem, but we * need to point to a 64bit variable first. */ - dma_addr_t bus_addr; - map->handle = drm_pci_alloc(dev, map->size, map->size, - 0xffffffffUL, &bus_addr); - map->offset = (unsigned long)bus_addr; - if (!map->handle) { + dmah = drm_pci_alloc(dev, map->size, map->size, 0xffffffffUL); + if (!dmah) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -ENOMEM; } + map->handle = dmah->vaddr; + map->offset = (unsigned long)dmah->busaddr; + kfree(dmah); break; - } default: drm_free( map, sizeof(*map), DRM_MEM_MAPS ); return -EINVAL; @@ -286,6 +285,8 @@ int drm_rmmap(struct inode *inode, struct file *filp, } if(!found_maps) { + drm_dma_handle_t dmah; + switch (map->type) { case _DRM_REGISTERS: case _DRM_FRAME_BUFFER: @@ -307,7 +308,10 @@ int drm_rmmap(struct inode *inode, struct file *filp, case _DRM_SCATTER_GATHER: break; case _DRM_CONSISTENT: - drm_pci_free(dev, map->size, map->handle, map->offset); + dmah.vaddr = map->handle; + dmah.busaddr = map->offset; + dmah.size = map->size; + __drm_pci_free(dev, &dmah); break; } drm_free(map, sizeof(*map), DRM_MEM_MAPS); -- cgit v1.2.3