On Thu, 21 Mar 2024, Ville Syrjala <[email protected]> wrote: > From: Ville Syrjälä <[email protected]> > > While the spec does claim that most of the driver feature flags > start from BDB version 165, reality and some VBIOS code disagrees. > The VBIOS code says it sart from version 159, and my ILK
*start > with version 162 definitely has these things already in its > VBT. Update the version number comments to say 159+ for all > the bits that seem relevant for pre-hsw hardware. > > Signed-off-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 20 +++++++++---------- > 1 file changed, 10 insertions(+), 10 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > index f2506b0be790..24583b455f2d 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -603,22 +603,22 @@ struct bdb_driver_features { > u8 custom_vbt_version; /* 155+ */ > > /* Driver Feature Flags */ > - u16 rmpm_enabled:1; /* 165+ */ > - u16 s2ddt_enabled:1; /* 165+ */ > - u16 dpst_enabled:1; /* 165-227 */ > - u16 bltclt_enabled:1; /* 165+ */ > - u16 adb_enabled:1; /* 165-227 */ > - u16 drrs_enabled:1; /* 165-227 */ > - u16 grs_enabled:1; /* 165+ */ > - u16 gpmt_enabled:1; /* 165+ */ > - u16 tbt_enabled:1; /* 165+ */ > + u16 rmpm_enabled:1; /* 159+ */ > + u16 s2ddt_enabled:1; /* 159+ */ > + u16 dpst_enabled:1; /* 159-227 */ > + u16 bltclt_enabled:1; /* 159+ */ > + u16 adb_enabled:1; /* 159-227 */ > + u16 drrs_enabled:1; /* 159-227 */ > + u16 grs_enabled:1; /* 159+ */ > + u16 gpmt_enabled:1; /* 159+ */ > + u16 tbt_enabled:1; /* 159+ */ > u16 psr_enabled:1; /* 165-227 */ > u16 ips_enabled:1; /* 165+ */ > u16 dfps_enabled:1; /* 165+ */ > u16 dmrrs_enabled:1; /* 174-227 */ > u16 adt_enabled:1; /* ???-228 */ > u16 hpd_wake:1; /* 201-240 */ > - u16 pc_feature_valid:1; > + u16 pc_feature_valid:1; /* 159+ */ > } __packed; > > /* -- Jani Nikula, Intel
