diff options
| author | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2016-04-28 16:46:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-30 03:37:10 +0300 |
| commit | 62304fb1fc0801925568e191261b650e1546ce8c (patch) | |
| tree | 08b95e26606d3bd4cf8f4a097fbcfa1fbc11e677 /drivers | |
| parent | 460bfc41fd52959311ed0328163f785e023857af (diff) | |
| download | linux-62304fb1fc0801925568e191261b650e1546ce8c.tar.xz | |
dma-buf/sync_file: de-stage sync_file
sync_file is useful to connect one or more fences to the file. The file is
used by userspace to track fences between drivers that share DMA bufs.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/dma-buf/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/dma-buf/Makefile | 1 | ||||
| -rw-r--r-- | drivers/dma-buf/sync_file.c (renamed from drivers/staging/android/sync_file.c) | 0 | ||||
| -rw-r--r-- | drivers/staging/android/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/staging/android/Makefile | 2 |
6 files changed, 16 insertions, 1 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index d2ac339de85f..430f761b0d8d 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -114,6 +114,8 @@ source "drivers/rtc/Kconfig" source "drivers/dma/Kconfig" +source "drivers/dma-buf/Kconfig" + source "drivers/dca/Kconfig" source "drivers/auxdisplay/Kconfig" diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig new file mode 100644 index 000000000000..9824bc4addf8 --- /dev/null +++ b/drivers/dma-buf/Kconfig @@ -0,0 +1,11 @@ +menu "DMABUF options" + +config SYNC_FILE + bool "sync_file support for fences" + default n + select ANON_INODES + select DMA_SHARED_BUFFER + ---help--- + This option enables the fence framework synchronization to export + sync_files to userspace that can represent one or more fences. +endmenu diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile index 57a675f90cd0..4a424eca75ed 100644 --- a/drivers/dma-buf/Makefile +++ b/drivers/dma-buf/Makefile @@ -1 +1,2 @@ obj-y := dma-buf.o fence.o reservation.o seqno-fence.o +obj-$(CONFIG_SYNC_FILE) += sync_file.o diff --git a/drivers/staging/android/sync_file.c b/drivers/dma-buf/sync_file.c index f08cf2d8309e..f08cf2d8309e 100644 --- a/drivers/staging/android/sync_file.c +++ b/drivers/dma-buf/sync_file.c diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index 68042ab2eba0..6480f60ebf6c 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -38,6 +38,7 @@ config SW_SYNC bool "Software synchronization objects" default n depends on SYNC + depends on SYNC_FILE ---help--- A sync object driver that uses a 32bit counter to coordinate synchronization. Useful when there is no hardware primitive backing diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile index ebc2df1b14fd..980d6dc4b265 100644 --- a/drivers/staging/android/Makefile +++ b/drivers/staging/android/Makefile @@ -4,5 +4,5 @@ obj-y += ion/ obj-$(CONFIG_ASHMEM) += ashmem.o obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o -obj-$(CONFIG_SYNC) += sync_file.o sync.o sync_debug.o +obj-$(CONFIG_SYNC) += sync.o sync_debug.o obj-$(CONFIG_SW_SYNC) += sw_sync.o |