Hi Sebastian, Thanks for your patch. On 12/6/20 2:39 AM, Sebastian Fricke wrote: > Implement the VIDIOC_SUBDEV_ENUM_FRAME_SIZE ioctl, check if the mbus > code is valid for the given pad. This call is not available for the > parameter or metadata pads of the RkISP1. > > Signed-off-by: Sebastian Fricke <sebastian.fricke.linux@xxxxxxxxx> > --- > > I have tested this patch with the following script: > https://github.com/initBasti/Linux_kernel_media_tree_fork/commit/efc4b399cff53fb36fadde999594961a3d84073e > > The results on my NanoPC-T4 (Linux nanopct4 5.10.0-rc6-rockchip64): > > pad 0 = RKISP1_ISP_PAD_SINK_VIDEO > pad 1 = RKISP1_ISP_PAD_SINK_PARAMS > pad 2 = RKISP1_ISP_PAD_SOURCE_VIDEO > pad 3 = RKISP1_ISP_PAD_SOURCE_STATS > > basti@nanopct4:~$ python3 rkisp1_enum_frame_size_test.py > TEST 0: pad 0 - code 0x300f - size 32x32 - 4032x3024 > TEST 1: pad 0 - code 0x3007 - size 32x32 - 4032x3024 > TEST 2: pad 0 - code 0x300e - size 32x32 - 4032x3024 > TEST 3: pad 0 - code 0x300a - size 32x32 - 4032x3024 > TEST 4: pad 0 - code 0x3012 - size 32x32 - 4032x3024 > TEST 5: pad 0 - code 0x3008 - size 32x32 - 4032x3024 > TEST 6: pad 0 - code 0x3010 - size 32x32 - 4032x3024 > TEST 7: pad 0 - code 0x3011 - size 32x32 - 4032x3024 > TEST 8: pad 0 - code 0x3014 - size 32x32 - 4032x3024 > TEST 9: pad 0 - code 0x3001 - size 32x32 - 4032x3024 > TEST 10: pad 0 - code 0x3013 - size 32x32 - 4032x3024 > TEST 11: pad 0 - code 0x3002 - size 32x32 - 4032x3024 > TEST 12: pad 0 - code 0x2011 - size 32x32 - 4032x3024 > TEST 13: pad 0 - code 0x2012 - size 32x32 - 4032x3024 > TEST 14: pad 0 - code 0x200f - size 32x32 - 4032x3024 > TEST 15: pad 0 - code 0x2010 - size 32x32 - 4032x3024 > TEST 16: pad 1 - code 0x7001 - size / > TEST 17: pad 2 - code 0x2008 - size 32x32 - 4032x3024 > TEST 18: pad 2 - code 0x300f - size 32x32 - 4032x3024 > TEST 19: pad 2 - code 0x3007 - size 32x32 - 4032x3024 > TEST 20: pad 2 - code 0x300e - size 32x32 - 4032x3024 > TEST 21: pad 2 - code 0x300a - size 32x32 - 4032x3024 > TEST 22: pad 2 - code 0x3012 - size 32x32 - 4032x3024 > TEST 23: pad 2 - code 0x3008 - size 32x32 - 4032x3024 > TEST 24: pad 2 - code 0x3010 - size 32x32 - 4032x3024 > TEST 25: pad 2 - code 0x3011 - size 32x32 - 4032x3024 > TEST 26: pad 2 - code 0x3014 - size 32x32 - 4032x3024 > TEST 27: pad 2 - code 0x3001 - size 32x32 - 4032x3024 > TEST 28: pad 2 - code 0x3013 - size 32x32 - 4032x3024 > TEST 29: pad 2 - code 0x3002 - size 32x32 - 4032x3024 > TEST 30: pad 3 - code 0x7001 - size / > TEST 31: pad 0 - code 0xdead - size / (test with an invalid media bus code) > TEST 32: pad 6 - code 0x300f - size / (test with an invalid pad) > TEST 33: pad 0 - code 0x2008 - size / (test with a format that is not supported by the pad) > TEST 34: pad 2 - code 0x2010 - size / (test with a format that is not supported by the pad) Could you please also run v4l2-compliance ? > > --- > > .../platform/rockchip/rkisp1/rkisp1-isp.c | 39 +++++++++++++++++++ > 1 file changed, 39 insertions(+) > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c > index 889982d8ca41..fa7540155d71 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c > @@ -599,6 +599,44 @@ static int rkisp1_isp_enum_mbus_code(struct v4l2_subdev *sd, > > return -EINVAL; > } Please add a new line here > +static int rkisp1_isp_enum_frame_size(struct v4l2_subdev *sd, > + struct v4l2_subdev_pad_config *cfg, > + struct v4l2_subdev_frame_size_enum *fse) > +{ > + int i; unsigned > + bool code_match = false; > + > + if (fse->pad == RKISP1_ISP_PAD_SINK_PARAMS || > + fse->pad == RKISP1_ISP_PAD_SOURCE_STATS) > + return -EINVAL; > + > + if (fse->index > 0)> + return -EINVAL; > + > + for (i = 0; i < ARRAY_SIZE(rkisp1_isp_formats); i++) { > + const struct rkisp1_isp_mbus_info *fmt = &rkisp1_isp_formats[i]; Can't you use function rkisp1_isp_mbus_info_get() ? Check how rkisp1_isp_set_src_fmt() checks for a valid mbus code. Thanks Helen > + > + if (fmt->mbus_code == fse->code) { > + code_match = true; > + if (!(fmt->direction & RKISP1_ISP_SD_SINK) && > + fse->pad == RKISP1_ISP_PAD_SINK_VIDEO) > + return -EINVAL; > + if (!(fmt->direction & RKISP1_ISP_SD_SRC) && > + fse->pad == RKISP1_ISP_PAD_SOURCE_VIDEO) > + return -EINVAL; > + } > + } > + > + if (!code_match) > + return -EINVAL; > + > + fse->min_width = RKISP1_ISP_MIN_WIDTH; > + fse->max_width = RKISP1_ISP_MAX_WIDTH; > + fse->min_height = RKISP1_ISP_MIN_HEIGHT; > + fse->max_height = RKISP1_ISP_MAX_HEIGHT; > + > + return 0; > +} > > static int rkisp1_isp_init_config(struct v4l2_subdev *sd, > struct v4l2_subdev_pad_config *cfg) > @@ -880,6 +918,7 @@ static int rkisp1_subdev_link_validate(struct media_link *link) > > static const struct v4l2_subdev_pad_ops rkisp1_isp_pad_ops = { > .enum_mbus_code = rkisp1_isp_enum_mbus_code, > + .enum_frame_size = rkisp1_isp_enum_frame_size, > .get_selection = rkisp1_isp_get_selection, > .set_selection = rkisp1_isp_set_selection, > .init_cfg = rkisp1_isp_init_config, >