Re: [PATCH v2 48/55] media: rkisp1: Add match data for i.MX8MP ISP

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On Sun, Jul 17, 2022 at 10:23 AM Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Adam,
>
> On Sun, Jul 17, 2022 at 05:56:56PM +0300, Laurent Pinchart wrote:
> > On Fri, Jul 15, 2022 at 06:56:57AM -0500, Adam Ford wrote:
> > > On Thu, Jun 30, 2022 at 6:27 PM Laurent Pinchart wrote:
> > > >
> > > > From: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> > > >
> > > > Add match data to the rkisp1 driver to match the i.MX8MP ISP.
> > >
> > > I am testing this series on an i.MX8MP with two Sony IMX219 cameras in
> > > 4-lane mode.
> > > From what I can tell, the ISP_1 doesn't enumerate if ISP_0 is already
> > > enumerated.  My guess is that the name of the ISP is hard-coded so the
> > > second instance isn't able to load because the names conflict.  I
> > > don't see any errors, so it's just a guess.
> >
> > I'll have a look.
Thanks!
>
> Both ISP instances probe successfully for me, with two different sensors
> though (IMX327 and IMX296). Can you share more information about your
> issue ?

I'll double check the repo I am using as my starting base when I get
back into the office tomorrow.  I'll rebase my device tree changes if
I don't have the latest and let you know what I am seeing.

adam
>
> > > > Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> > > > ---
> > > >  .../platform/rockchip/rkisp1/rkisp1-dev.c     | 22 +++++++++++++++++++
> > > >  include/uapi/linux/rkisp1-config.h            |  3 +++
> > > >  2 files changed, 25 insertions(+)
> > > >
> > > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > > > index f2475c6235ea..a41f89807dd7 100644
> > > > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > > > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > > > @@ -496,6 +496,24 @@ static const struct rkisp1_info rk3399_isp_info = {
> > > >         .features = RKISP1_FEATURE_MIPI_CSI2,
> > > >  };
> > > >
> > > > +static const char * const imx8mp_isp_clks[] = {
> > > > +       "isp",
> > > > +       "hclk",
> > > > +       "aclk",
> > > > +};
> > > > +
> > > > +static const struct rkisp1_isr_data imx8mp_isp_isrs[] = {
> > > > +       { NULL, rkisp1_isr },
> > > > +};
> > > > +
> > > > +static const struct rkisp1_info imx8mp_isp_info = {
> > > > +       .clks = imx8mp_isp_clks,
> > > > +       .clk_size = ARRAY_SIZE(imx8mp_isp_clks),
> > > > +       .isrs = imx8mp_isp_isrs,
> > > > +       .isr_size = ARRAY_SIZE(imx8mp_isp_isrs),
> > > > +       .isp_ver = IMX8MP_V10,
> > > > +};
> > > > +
> > > >  static const struct of_device_id rkisp1_of_match[] = {
> > > >         {
> > > >                 .compatible = "rockchip,px30-cif-isp",
> > > > @@ -505,6 +523,10 @@ static const struct of_device_id rkisp1_of_match[] = {
> > > >                 .compatible = "rockchip,rk3399-cif-isp",
> > > >                 .data = &rk3399_isp_info,
> > > >         },
> > > > +       {
> > > > +               .compatible = "fsl,imx8mp-isp",
> > > > +               .data = &imx8mp_isp_info,
> > > > +       },
> > > >         {},
> > > >  };
> > > >  MODULE_DEVICE_TABLE(of, rkisp1_of_match);
> > > > diff --git a/include/uapi/linux/rkisp1-config.h b/include/uapi/linux/rkisp1-config.h
> > > > index 583ca0d9a79d..40677d47825c 100644
> > > > --- a/include/uapi/linux/rkisp1-config.h
> > > > +++ b/include/uapi/linux/rkisp1-config.h
> > > > @@ -140,12 +140,15 @@
> > > >   * @RKISP1_V11: declared in the original vendor code, but not used
> > > >   * @RKISP1_V12: used at least in rk3326 and px30
> > > >   * @RKISP1_V13: used at least in rk1808
> > > > + * @IMX8MP_V10: used in at least imx8mp
> > > >   */
> > > >  enum rkisp1_cif_isp_version {
> > > >         RKISP1_V10 = 10,
> > > >         RKISP1_V11,
> > > >         RKISP1_V12,
> > > >         RKISP1_V13,
> > > > +       /* TODO Choose a better version for this */
> > > > +       IMX8MP_V10,
> > > >  };
> > > >
> > > >  enum rkisp1_cif_isp_histogram_mode {
>
> --
> Regards,
>
> Laurent Pinchart



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