| Message ID | 20240503122449.27266-11-ville.syrjala@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/bios: Define (almost) all BDB blocks | expand |
On Fri, 03 May 2024, Ville Syrjala <ville.syrjala@linux.intel.com> wrote: > From: Ville Syrjälä <ville.syrjala@linux.intel.com> > > Define the contents of VBT block 4 (Mode Support List). > > Slightly crazy layout with a variable length list at the start, > followed by the length of said list. > > No real idea what these "Intel mode numbers" really are. What > I see in real world VBTs seems to be always the same list of > 26 numbers, ranging between 0x30 and 0x84. > > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > index 7df0a6044425..c9ecf3b48999 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -571,6 +571,15 @@ struct bdb_display_toggle { > u16 list[]; /* ALM only */ > } __packed; > > +/* > + * Block 4 - Mode Support List > + */ > + > +struct bdb_mode_support_list { > + u8 intel_mode_number[0]; > + u16 mode_list_length; > +} __packed; > + > /* > * Block 9 - SRD Feature Block > */
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 7df0a6044425..c9ecf3b48999 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -571,6 +571,15 @@ struct bdb_display_toggle { u16 list[]; /* ALM only */ } __packed; +/* + * Block 4 - Mode Support List + */ + +struct bdb_mode_support_list { + u8 intel_mode_number[0]; + u16 mode_list_length; +} __packed; + /* * Block 9 - SRD Feature Block */