[PATCHv8 15/26] v4l: s5p-fimc: support for dmabuf importing

Tomasz Stanislawski t.stanislaws at samsung.com
Tue Aug 14 08:34:45 PDT 2012


This patch enhances s5p-fimc with support for DMABUF importing via
V4L2_MEMORY_DMABUF memory type.

Signed-off-by: Tomasz Stanislawski <t.stanislaws at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
---
 drivers/media/video/s5p-fimc/Kconfig        |    1 +
 drivers/media/video/s5p-fimc/fimc-capture.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/s5p-fimc/Kconfig b/drivers/media/video/s5p-fimc/Kconfig
index a564f7e..3106026 100644
--- a/drivers/media/video/s5p-fimc/Kconfig
+++ b/drivers/media/video/s5p-fimc/Kconfig
@@ -14,6 +14,7 @@ config VIDEO_S5P_FIMC
 	depends on I2C
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
+	select DMA_SHARED_BUFFER
 	help
 	  This is a V4L2 driver for Samsung S5P and EXYNOS4 SoC camera host
 	  interface and video postprocessor (FIMC and FIMC-LITE) devices.
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 8e413dd..3fcaf7d 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -1634,7 +1634,7 @@ static int fimc_register_capture_device(struct fimc_dev *fimc,
 	q = &fimc->vid_cap.vbq;
 	memset(q, 0, sizeof(*q));
 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
-	q->io_modes = VB2_MMAP | VB2_USERPTR;
+	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
 	q->drv_priv = fimc->vid_cap.ctx;
 	q->ops = &fimc_capture_qops;
 	q->mem_ops = &vb2_dma_contig_memops;
-- 
1.7.9.5



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