Re: [PATCH 1/3] drm/i915/bios: Move panel_type stuff out of parse_panel_options()

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On Wed, 15 Jun 2022, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Parsing the panel_type is a bit special and should be done
> before we parse anything else potentially panel-specific from
> the VBT. So move it out from parse_panel_options(). It doesn't
> neet to be there anyway since it'll do its own LVDS options
> block lookup.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_bios.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index fb5f8a9f5ab5..df52f406e1ae 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -746,11 +746,10 @@ static int get_panel_type(struct drm_i915_private *i915,
>  /* Parse general panel options */
>  static void
>  parse_panel_options(struct drm_i915_private *i915,
> -		    struct intel_panel *panel,
> -		    const struct edid *edid)
> +		    struct intel_panel *panel)
>  {
>  	const struct bdb_lvds_options *lvds_options;
> -	int panel_type;
> +	int panel_type = panel->vbt.panel_type;
>  	int drrs_mode;
>  
>  	lvds_options = find_section(i915, BDB_LVDS_OPTIONS);
> @@ -759,10 +758,6 @@ parse_panel_options(struct drm_i915_private *i915,
>  
>  	panel->vbt.lvds_dither = lvds_options->pixel_dither;
>  
> -	panel_type = get_panel_type(i915, edid);
> -
> -	panel->vbt.panel_type = panel_type;
> -
>  	drrs_mode = (lvds_options->dps_panel_type_bits
>  				>> (panel_type * 2)) & MODE_MASK;
>  	/*
> @@ -3117,7 +3112,9 @@ void intel_bios_init_panel(struct drm_i915_private *i915,
>  {
>  	init_vbt_panel_defaults(panel);
>  
> -	parse_panel_options(i915, panel, edid);
> +	panel->vbt.panel_type = get_panel_type(i915, edid);
> +

I guess that could be parse_panel_type() that doesn't return
anything. But this is fine too.

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> +	parse_panel_options(i915, panel);
>  	parse_generic_dtd(i915, panel);
>  	parse_lfp_data(i915, panel);
>  	parse_lfp_backlight(i915, panel);

-- 
Jani Nikula, Intel Open Source Graphics Center




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