> Tested-by: Marco Krüger <krgsch@xxxxxxxxx> > Tested-by: Alexey Shumitsky <alexey.shumitsky@xxxxxxxxx> > Tested-by: Sean Greenslade <sean@xxxxxxxxxxxxxxxxxx> > Tested-by: Emil Andersen Lauridsen <mine809@xxxxxxxxx> > Tested-by: Robin Müller <rm1990@xxxxxx> > Tested-by: oceans112@xxxxxxxxx > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx> > Tested-by: James Hogan <james@xxxxxxxxxxxxx> That works for me too on Terra Mobile Ultrabook 1450 II. Thanks! Tested-by: Adrien Vergé <adrienverge@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_opregion.c | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c > index adca262d591a..7acbbbf97833 100644 > --- a/drivers/gpu/drm/i915/intel_opregion.c > +++ b/drivers/gpu/drm/i915/intel_opregion.c > @@ -1047,6 +1047,23 @@ err_out: > return err; > } > > +static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id) > +{ > + DRM_INFO("Using panel type from OpRegion on %s\n", id->ident); > + return 1; > +} > + > +static const struct dmi_system_id intel_use_opregion_panel_type[] = { > + { > + .callback = intel_use_opregion_panel_type_callback, > + .ident = "Conrac GmbH IX45GM2", > + .matches = {DMI_MATCH(DMI_SYS_VENDOR, "Conrac GmbH"), > + DMI_MATCH(DMI_PRODUCT_NAME, "IX45GM2"), > + }, > + }, > + { } > +}; > + > int > intel_opregion_get_panel_type(struct drm_i915_private *dev_priv) > { > @@ -1073,6 +1090,16 @@ intel_opregion_get_panel_type(struct drm_i915_private *dev_priv) > } > > /* > + * So far we know that some machined must use it, others must not use it. > + * There doesn't seem to be any way to determine which way to go, except > + * via a quirk list :( > + */ > + if (!dmi_check_system(intel_use_opregion_panel_type)) { > + DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1); > + return -ENODEV; > + } > + > + /* > * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us > * low vswing for eDP, whereas the VBT panel type (2) gives us normal > * vswing instead. Low vswing results in some display flickers, so -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html