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authorArnd Bergmann <arnd@arndb.de>2012-05-02 19:20:03 +0400
committerArnd Bergmann <arnd@arndb.de>2012-05-02 19:21:21 +0400
commit87c35c56f4beed9e43bd41427643215655a31c3d (patch)
treea4a29370bbb16ecf1864751def0a9b7ad0629476 /drivers/gpu/drm/drm_bufs.c
parentd1ef5bd711b6b01e6a73cf186245d19939882706 (diff)
parentee9581d7adaeb2d04b01e3567e2355ceb5f43ad1 (diff)
downloadlinux-87c35c56f4beed9e43bd41427643215655a31c3d.tar.xz
Merge branch 'ux500-u9540-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/newsoc
From: Linus Walleij <linus.walleij@linaro.org>: Core support for the U9540 after finalized review * 'ux500-u9540-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (2 commits) ARM: ux500: ioremap differences for DB9540 ARM: ux500: core U9540 support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
-rw-r--r--drivers/gpu/drm/drm_bufs.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 30372f7b2d45..348b367debeb 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -1510,8 +1510,8 @@ int drm_freebufs(struct drm_device *dev, void *data,
* \param arg pointer to a drm_buf_map structure.
* \return zero on success or a negative number on failure.
*
- * 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
+ * Maps the AGP, SG or PCI buffer region with vm_mmap(), and copies information
+ * about each buffer into user space. For PCI buffers, it calls vm_mmap() with
* offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls
* drm_mmap_dma().
*/
@@ -1553,18 +1553,14 @@ int drm_mapbufs(struct drm_device *dev, void *data,
retcode = -EINVAL;
goto done;
}
- down_write(&current->mm->mmap_sem);
- virtual = do_mmap(file_priv->filp, 0, map->size,
+ virtual = vm_mmap(file_priv->filp, 0, map->size,
PROT_READ | PROT_WRITE,
MAP_SHARED,
token);
- up_write(&current->mm->mmap_sem);
} else {
- down_write(&current->mm->mmap_sem);
- virtual = do_mmap(file_priv->filp, 0, dma->byte_count,
+ virtual = vm_mmap(file_priv->filp, 0, dma->byte_count,
PROT_READ | PROT_WRITE,
MAP_SHARED, 0);
- up_write(&current->mm->mmap_sem);
}
if (virtual > -1024UL) {
/* Real error */