From: Ville Syrjälä Date: Fri, 3 May 2024 12:24:27 +0000 (+0300) Subject: drm/i915/bios: Define VBT block 10 (Mode Removal Table) contents X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=98fe6aed8ae8590065eca04b6f0be98ae64c066a;p=linux.git drm/i915/bios: Define VBT block 10 (Mode Removal Table) contents Define the contents of VBT block 10 (Mode Removal Table). There seem to be two variants: - 8 byte entries for desktop systems - 10 byte entries for mobile systems, with the extra panel_flags being a bitmask of LFPs It seems starting from HSW only the mobile variant is used anymore. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-14-ville.syrjala@linux.intel.com Reviewed-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 8aff4816f463..c4435438508e 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -677,6 +677,29 @@ struct bdb_psr { u32 psr2_tp2_tp3_wakeup_time; /* 226+ */ } __packed; +/* + * Block 10 - Mode Removal Table + */ + +struct mode_removal_table { + u16 x_res; + u16 y_res; + u8 bpp; + u16 refresh_rate; + u8 removal_flags; + u16 panel_flags; +} __packed; + +struct bdb_mode_removal { + u8 row_size; /* 8 or 10 bytes */ + /* + * VBT spec says this is always 20 entries, + * but ALM seems to have only 15 entries. + */ + struct mode_removal_table modes[]; + /* u16 terminator; 0x0000 */ +} __packed; + /* * Block 12 - Driver Features Data Block */