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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-06-29 12:15:51 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-06-29 12:16:26 +0200
commit60e9eabf41fa916d2ef68c5bf929197975917578 (patch)
tree39ce456390ed34d2624aed1260203f43fff94d38 /drivers/dma-buf
parentdrm/connector: fix minor typos in comments (diff)
parentMerge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm... (diff)
downloadlinux-60e9eabf41fa916d2ef68c5bf929197975917578.tar.xz
linux-60e9eabf41fa916d2ef68c5bf929197975917578.zip
Backmerge remote-tracking branch 'drm/drm-next' into drm-misc-next
Some conflicts with ttm_bo->offset removal, but drm-misc-next needs updating to v5.8. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/Kconfig4
-rw-r--r--drivers/dma-buf/dma-buf.c7
-rw-r--r--drivers/dma-buf/dma-resv.c5
3 files changed, 9 insertions, 7 deletions
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 9626673f1d83..4f8224a6ac95 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -5,7 +5,7 @@ config SYNC_FILE
bool "Explicit Synchronization Framework"
default n
select DMA_SHARED_BUFFER
- ---help---
+ help
The Sync File Framework adds explicit synchronization via
userspace. It enables send/receive 'struct dma_fence' objects to/from
userspace via Sync File fds for synchronization between drivers via
@@ -22,7 +22,7 @@ config SW_SYNC
default n
depends on SYNC_FILE
depends on DEBUG_FS
- ---help---
+ help
A sync object driver that uses a 32bit counter to coordinate
synchronization. Useful when there is no hardware primitive backing
the synchronization.
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 7ca24080fea0..e018ef80451e 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -388,7 +388,8 @@ static long dma_buf_ioctl(struct file *file,
return ret;
- case DMA_BUF_SET_NAME:
+ case DMA_BUF_SET_NAME_A:
+ case DMA_BUF_SET_NAME_B:
return dma_buf_set_name(dmabuf, (const char __user *)arg);
default:
@@ -655,8 +656,8 @@ EXPORT_SYMBOL_GPL(dma_buf_put);
* calls attach() of dma_buf_ops to allow device-specific attach functionality
* @dmabuf: [in] buffer to attach device to.
* @dev: [in] device to be attached.
- * @importer_ops [in] importer operations for the attachment
- * @importer_priv [in] importer private pointer for the attachment
+ * @importer_ops: [in] importer operations for the attachment
+ * @importer_priv: [in] importer private pointer for the attachment
*
* Returns struct dma_buf_attachment pointer for this attachment. Attachments
* must be cleaned up by calling dma_buf_detach().
diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
index 4264e64788c4..b45f8514dc82 100644
--- a/drivers/dma-buf/dma-resv.c
+++ b/drivers/dma-buf/dma-resv.c
@@ -34,6 +34,7 @@
#include <linux/dma-resv.h>
#include <linux/export.h>
+#include <linux/mm.h>
#include <linux/sched/mm.h>
/**
@@ -109,7 +110,7 @@ static int __init dma_resv_lockdep(void)
dma_resv_init(&obj);
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
ww_acquire_init(&ctx, &reservation_ww_class);
ret = dma_resv_lock(&obj, &ctx);
if (ret == -EDEADLK)
@@ -118,7 +119,7 @@ static int __init dma_resv_lockdep(void)
fs_reclaim_release(GFP_KERNEL);
ww_mutex_unlock(&obj.lock);
ww_acquire_fini(&ctx);
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
mmput(mm);