On 3/12/20 10:46 PM, Helen Koike wrote: > Hi, > > This series adds support for simultaneous streaming from both capture > devices (rkisp1_selfpath and rkisp1_mainpath). > > Patch 1/3 fixes return error handling from pm functions, which was > preventing the second stream to start. > > Patch 2/3 don't allow .s_stream entity callback to be called if a stream is > already enabled. Which fixes the issue when stopping one stream would > also stop the other. > > Patch 3/3 serializes start/stop streaming calls, since they both read > and modify the streaming status of all the entities in the piipeline. > > This series was tested with: > > SEN_DEV=/dev/v4l-subdev3 > ISP_DEV=/dev/v4l-subdev0 > RSZ_SP_DEV=/dev/v4l-subdev2 > RSZ_MP_DEV=/dev/v4l-subdev1 > CAP_SP_DEV=/dev/video1 > CAP_MP_DEV=/dev/video0 > > WIDTH=1920 > HEIGHT=1080 > RAW_CODE=SRGGB10_1X10 > YUV_CODE=YUYV8_2X8 > > v4l2-ctl --set-subdev-fmt pad=0,width=$WIDTH,height=$HEIGHT,code=$RAW_CODE -d $SEN_DEV > > v4l2-ctl --set-subdev-fmt pad=0,width=$WIDTH,height=$HEIGHT,code=$RAW_CODE -d $ISP_DEV > v4l2-ctl --set-subdev-selection pad=0,target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT -d $ISP_DEV > > v4l2-ctl --set-subdev-selection pad=2,target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT -d $ISP_DEV > v4l2-ctl --set-subdev-fmt pad=2,width=$WIDTH,height=$HEIGHT,code=$YUV_CODE -d $ISP_DEV > > v4l2-ctl --set-subdev-fmt pad=0,width=$WIDTH,height=$HEIGHT,code=$YUV_CODE -d $RSZ_SP_DEV > v4l2-ctl --set-subdev-fmt pad=1,width=$WIDTH,height=$HEIGHT,code=$YUV_CODE -d $RSZ_SP_DEV > > v4l2-ctl --set-subdev-selection pad=0,target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT -d $RSZ_SP_DEV > > v4l2-ctl --set-subdev-fmt pad=0,width=$WIDTH,height=$HEIGHT,code=$YUV_CODE -d $RSZ_MP_DEV > v4l2-ctl --set-subdev-fmt pad=1,width=$WIDTH,height=$HEIGHT,code=$YUV_CODE -d $RSZ_MP_DEV > > v4l2-ctl --set-subdev-selection pad=0,target=crop,top=0,left=0,width=$WIDTH,height=$HEIGHT -d $RSZ_MP_DEV > > v4l2-ctl -v width=$WIDTH,height=$HEIGHT,pixelformat=NV12 -d $CAP_SP_DEV > v4l2-ctl -v width=$WIDTH,height=$HEIGHT,pixelformat=NV12 -d $CAP_MP_DEV > > sleep 1 > > v4l2-ctl --stream-mmap --stream-count=100 -d $CAP_SP_DEV --stream-to=/tmp/test_sp.raw & > v4l2-ctl --stream-mmap --stream-count=100 -d $CAP_MP_DEV --stream-to=/tmp/test_mp.raw & > > wait > echo "Completed" > > > > Helen Koike (3): > media: staging: rkisp1: cap: fix return values from pm functions > media: staging: rkisp1: do not call s_stream if the entity is still in > use > media: staging: rkisp1: cap: serialize start/stop stream > > drivers/staging/media/rkisp1/rkisp1-capture.c | 25 ++++++++++++++++--- > drivers/staging/media/rkisp1/rkisp1-common.h | 2 ++ > drivers/staging/media/rkisp1/rkisp1-dev.c | 2 ++ > 3 files changed, 25 insertions(+), 4 deletions(-) > Please, ignore this version, I rebased with the wrong branch. I'll send v2. Thanks Helen