Re: [PATCH v4 1/2] drm/i915/vbt: Parse panel options separately from timing data

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HI, 

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jesse
> Barnes
> Sent: perjantai 15. marraskuuta 2019 2.05
> To: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>
> Cc: Nikula, Jani <jani.nikula@xxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  [PATCH v4 1/2] drm/i915/vbt: Parse panel options
> separately from timing data
> 
> LGTM.
> 
> Reviewed-by: Jesse Barnes <jsbarnes@xxxxxxxxxx>
Thanks Jesse 😉 
> 
> On Thu, Nov 14, 2019 at 9:07 AM Matt Roper <matthew.d.roper@xxxxxxxxx>
> wrote:
> >
> > Newer VBT versions will add an alternate way to read panel DTD
> > information, so let's split parsing of the general panel information
> > from the timing data in preparation.
> >
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/display/intel_bios.c | 27
> > +++++++++++++++--------
> >  1 file changed, 18 insertions(+), 9 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_bios.c
> > b/drivers/gpu/drm/i915/display/intel_bios.c
> > index 6d7b1a83cb07..d13ce0b7db8b 100644
> > --- a/drivers/gpu/drm/i915/display/intel_bios.c
> > +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> > @@ -208,17 +208,12 @@ get_lvds_fp_timing(const struct bdb_header *bdb,
> >         return (const struct lvds_fp_timing *)((const u8 *)bdb + ofs);
> > }
> >
> > -/* Try to find integrated panel data */
> > +/* Parse general panel options */
> >  static void
> > -parse_lfp_panel_data(struct drm_i915_private *dev_priv,
> > -                    const struct bdb_header *bdb)
> > +parse_panel_options(struct drm_i915_private *dev_priv,
> > +                   const struct bdb_header *bdb)
> >  {
> >         const struct bdb_lvds_options *lvds_options;
> > -       const struct bdb_lvds_lfp_data *lvds_lfp_data;
> > -       const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
> > -       const struct lvds_dvo_timing *panel_dvo_timing;
> > -       const struct lvds_fp_timing *fp_timing;
> > -       struct drm_display_mode *panel_fixed_mode;
> >         int panel_type;
> >         int drrs_mode;
> >         int ret;
> > @@ -267,6 +262,19 @@ parse_lfp_panel_data(struct drm_i915_private
> *dev_priv,
> >                 DRM_DEBUG_KMS("DRRS not supported (VBT input)\n");
> >                 break;
> >         }
> > +}
> > +
> > +/* Try to find integrated panel timing data */ static void
> > +parse_lfp_panel_dtd(struct drm_i915_private *dev_priv,
> > +                   const struct bdb_header *bdb) {
> > +       const struct bdb_lvds_lfp_data *lvds_lfp_data;
> > +       const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
> > +       const struct lvds_dvo_timing *panel_dvo_timing;
> > +       const struct lvds_fp_timing *fp_timing;
> > +       struct drm_display_mode *panel_fixed_mode;
> > +       int panel_type = dev_priv->vbt.panel_type;
> >
> >         lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
> >         if (!lvds_lfp_data)
> > @@ -1868,7 +1876,8 @@ void intel_bios_init(struct drm_i915_private
> *dev_priv)
> >         /* Grab useful general definitions */
> >         parse_general_features(dev_priv, bdb);
> >         parse_general_definitions(dev_priv, bdb);
> > -       parse_lfp_panel_data(dev_priv, bdb);
> > +       parse_panel_options(dev_priv, bdb);
> > +       parse_lfp_panel_dtd(dev_priv, bdb);
> >         parse_lfp_backlight(dev_priv, bdb);
> >         parse_sdvo_panel_data(dev_priv, bdb);
> >         parse_driver_features(dev_priv, bdb);
> > --
> > 2.21.0
> >
> > _______________________________________________
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> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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