From: Ville Syrjälä Date: Fri, 3 May 2024 12:24:36 +0000 (+0300) Subject: drm/i915/bios: Define VBT block 21 (EFP List) contents X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9bc6b35635318f36adf5b526ae85302605646a57;p=users%2Fjedix%2Flinux-maple.git drm/i915/bios: Define VBT block 21 (EFP List) contents Define the contents of VBT block 21 (EFP List). Specs are nowhere to be found, but real world data suggests that each entry is just the first four bytes of the EDID PnP ID structure. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-23-ville.syrjala@linux.intel.com Acked-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index bf1f2848f4cb..012a6719ac1f 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -921,6 +921,21 @@ struct bdb_oem_custom { struct oem_mode modes[]; } __packed; +/* + * Block 21 - EFP List + */ + +struct efp_entry { + u16 mfg_name; + u16 product_code; +} __packed; + +struct bdb_efp_list { + u8 num_entries; + u8 entry_size; + struct efp_entry efp[]; +} __packed; + /* * Block 22 - SDVO LVDS General Options */