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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-06-29 12:15:51 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-06-29 12:16:26 +0200 |
| commit | 60e9eabf41fa916d2ef68c5bf929197975917578 (patch) | |
| tree | 39ce456390ed34d2624aed1260203f43fff94d38 /drivers/dma-buf | |
| parent | drm/connector: fix minor typos in comments (diff) | |
| parent | Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff) | |
| download | linux-dev-60e9eabf41fa916d2ef68c5bf929197975917578.tar.xz linux-dev-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/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/dma-buf/dma-buf.c | 7 | ||||
| -rw-r--r-- | drivers/dma-buf/dma-resv.c | 5 |
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); |