On Wed, Jun 13, 2012 at 01:46:58PM -0500, Seth Forshee wrote: > The Lenovo Thinkpad T410 has the LVDS_PIPEB_SELECT bit set in the LVDS > register when booted with the lid closed, even though the LVDS hasn't > really been initialized. Ignore this bit so that the VBT value will be > used instead. > > Signed-off-by: Seth Forshee <seth.forshee@xxxxxxxxxxxxx> Queued for -next, thanks for the patch. Chris had some reservations about the sanity of this patch, but given that it works around bios-insanity I'm gonna just take this chance to stab myself with lvds-machines blowing up left and right ;-) -Daniel > --- > drivers/gpu/drm/i915/intel_display.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index e0aa064..ae17526 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -434,7 +434,7 @@ static bool is_dual_link_lvds(struct drm_i915_private *dev_priv, > * register is uninitialized. > */ > val = I915_READ(reg); > - if (!(val & ~LVDS_DETECTED)) > + if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED))) > val = dev_priv->bios_lvds_val; > dev_priv->lvds_val = val; > } > -- > 1.7.9.5 > -- Daniel Vetter Mail: daniel@xxxxxxxx Mobile: +41 (0)79 365 57 48 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
