mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 06:12:08 +00:00
03878bb473
This patch fixes regression introduced in commit 6319d6a002beb26631 '[media] fimc-lite: Add ISP FIFO output support'. In case of a configuration where video is captured at the video node exposed by the FIMC-LITE driver there is a following video pipeline: sensor -> MIPI-CSIS.n -> FIMC-LITE.n subdev -> FIMC-LITE.n video node In this situation s_stream() handler of the FIMC-LITE.n is called back from within VIDIOC_STREAMON/OFF ioctl of the FIMC-LITE.n video node, through vb2_stream_on/off(), start/stop_streaming and fimc_pipeline_call(set_stream). The fimc->lock mutex is already held then, before invoking vidioc_streamon/off. So it must not be taken again in the s_stream() callback in this case, to avoid a deadlock. This patch makes fimc->out_path atomic_t so the mutex don't need to be taken in the FIMC-LITE subdev s_stream() callback in the DMA output case. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyugmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> |
||
|---|---|---|
| .. | ||
| blackfin | ||
| davinci | ||
| exynos-gsc | ||
| marvell-ccic | ||
| omap | ||
| omap3isp | ||
| s3c-camif | ||
| s5p-fimc | ||
| s5p-g2d | ||
| s5p-jpeg | ||
| s5p-mfc | ||
| s5p-tv | ||
| soc_camera | ||
| arv.c | ||
| coda.c | ||
| coda.h | ||
| fsl-viu.c | ||
| indycam.c | ||
| indycam.h | ||
| Kconfig | ||
| m2m-deinterlace.c | ||
| Makefile | ||
| mem2mem_testdev.c | ||
| mx2_emmaprp.c | ||
| omap24xxcam-dma.c | ||
| omap24xxcam.c | ||
| omap24xxcam.h | ||
| sh_veu.c | ||
| sh_vou.c | ||
| timblogiw.c | ||
| via-camera.c | ||
| via-camera.h | ||
| vino.c | ||
| vino.h | ||
| vivi.c | ||