Re: [Freedreno] [PATCH v1 2/2] drm/msm: add DSI config changes to support DSI version

[Jeffrey Hugo <jeffrey.l.hugo@gmail.com>]

On Thu, Nov 14, 2019 at 10:47 AM Rob Clark <robdclark@gmail.com> wrote:
>
> On Thu, Nov 14, 2019 at 2:16 AM Harigovindan P <harigovi@codeaurora.org> wrote:
> >
> > Add DSI config changes to support DSI version.
> >
> > Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
>
> Reviewed-by: Rob Clark <robdclark@gmail.com>

Can we fix the subject/commit text for this to indicate what DSI
version and/or SoC this is for?  This is a SoC enablement patch, but
at first I thought this was some bug fix or something.

>
> For patch 1/2 with the panel driver, probably best to split that out
> into a different patch(set), since panel drivers are merged into
> drm-next via a different tree
>
> BR,
> -R
>
> > ---
> >  drivers/gpu/drm/msm/dsi/dsi_cfg.c | 21 +++++++++++++++++++++
> >  drivers/gpu/drm/msm/dsi/dsi_cfg.h |  1 +
> >  2 files changed, 22 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> > index b7b7c1a..d2c4592 100644
> > --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> > +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> > @@ -133,6 +133,10 @@ static const char * const dsi_sdm845_bus_clk_names[] = {
> >         "iface", "bus",
> >  };
> >
> > +static const char * const dsi_sc7180_bus_clk_names[] = {
> > +        "iface", "bus",
> > +};
> > +
> >  static const struct msm_dsi_config sdm845_dsi_cfg = {
> >         .io_offset = DSI_6G_REG_SHIFT,
> >         .reg_cfg = {
> > @@ -147,6 +151,20 @@ static const struct msm_dsi_config sdm845_dsi_cfg = {
> >         .num_dsi = 2,
> >  };
> >
> > +static const struct msm_dsi_config sc7180_dsi_cfg = {
> > +       .io_offset = DSI_6G_REG_SHIFT,
> > +       .reg_cfg = {
> > +               .num = 1,
> > +               .regs = {
> > +                       {"vdda", 21800, 4 },    /* 1.2 V */
> > +               },
> > +       },
> > +       .bus_clk_names = dsi_sc7180_bus_clk_names,
> > +       .num_bus_clks = ARRAY_SIZE(dsi_sc7180_bus_clk_names),
> > +       .io_start = { 0xae94000 },
> > +       .num_dsi = 1,
> > +};
> > +
> >  const static struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
> >         .link_clk_enable = dsi_link_clk_enable_v2,
> >         .link_clk_disable = dsi_link_clk_disable_v2,
> > @@ -201,6 +219,9 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
> >                 &msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
> >         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1,
> >                 &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
> > +       {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_4_1,
> > +               &sc7180_dsi_cfg, &msm_dsi_6g_v2_host_ops},
> > +
> >  };
> >
> >  const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
> > diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> > index e2b7a7d..9919536 100644
> > --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> > +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> > @@ -19,6 +19,7 @@
> >  #define MSM_DSI_6G_VER_MINOR_V1_4_1    0x10040001
> >  #define MSM_DSI_6G_VER_MINOR_V2_2_0    0x20000000
> >  #define MSM_DSI_6G_VER_MINOR_V2_2_1    0x20020001
> > +#define MSM_DSI_6G_VER_MINOR_V2_4_1    0x20040001
> >
> >  #define MSM_DSI_V2_VER_MINOR_8064      0x0
> >
> > --
> > 2.7.4
> >
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