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drm/i915/bios: Define VBT block 20 (OEM Customizable Modes) contents

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Define the contents of VBT block 20 (OEM Customizable Modes).
Each entry is either 26 or 28 bytes, depending on the BDB version.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-22-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2024-05-03 15:24:35 +03:00
parent e225161e2a
commit afa1bf2d5d
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/i915/display/intel_vbt_defs.h
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@@ -897,6 +897,30 @@ struct bdb_display_remove_old {
struct display_remove_entry_old table[];
} __packed;
/*
* Block 20 - OEM Customizable Modes
*/
struct oem_mode {
u8 enable_in_vbios:1;
u8 enable_in_os:1;
u8 enable_in_gop:1; /* 207+ */
u8 reserved:5;
u8 display_flags; /* ???-216 */
u16 x_res;
u16 y_res;
u8 color_depth;
u8 refresh_rate;
struct bdb_edid_dtd dtd;
u16 display_flags_2; /* 217+ */
} __packed;
struct bdb_oem_custom {
u8 num_entries;
u8 entry_size;
struct oem_mode modes[];
} __packed;
/*
* Block 22 - SDVO LVDS General Options
*/