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> --- 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 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
