| Message ID | 20200828061941.17051-2-jani.nikula@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] drm/i915/opregion: add support for mailbox #5 EDID | expand |
> -----Original Message----- > From: Jani Nikula <jani.nikula@intel.com> > Sent: Friday, August 28, 2020 11:50 AM > To: intel-gfx@lists.freedesktop.org > Cc: Nikula, Jani <jani.nikula@intel.com>; Shankar, Uma > <uma.shankar@intel.com> > Subject: [PATCH 2/2] drm/i915/dp: use opregion mailbox #5 EDID for eDP, if > available > > If a panel's EDID is broken, there may be an override EDID set in the ACPI > OpRegion mailbox #5. Use it if available. Looks Good to me. Reviewed-by: Uma Shankar <uma.shankar@intel.com> > Cc: Uma Shankar <uma.shankar@intel.com> > Signed-off-by: Jani Nikula <jani.nikula@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index c57ac83bf563..d1307be196a2 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -8114,6 +8114,9 @@ static bool intel_edp_init_connector(struct intel_dp > *intel_dp, > goto out_vdd_off; > } > > + /* Set up override EDID, if any, from ACPI OpRegion */ > + intel_opregion_edid_override(intel_connector); > + > mutex_lock(&dev->mode_config.mutex); > edid = drm_get_edid(connector, &intel_dp->aux.ddc); > if (edid) { > -- > 2.20.1
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c57ac83bf563..d1307be196a2 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -8114,6 +8114,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, goto out_vdd_off; } + /* Set up override EDID, if any, from ACPI OpRegion */ + intel_opregion_edid_override(intel_connector); + mutex_lock(&dev->mode_config.mutex); edid = drm_get_edid(connector, &intel_dp->aux.ddc); if (edid) {
If a panel's EDID is broken, there may be an override EDID set in the ACPI OpRegion mailbox #5. Use it if available. Cc: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ 1 file changed, 3 insertions(+)