On Thu, 5 Nov 2015 14:53:32 -0800
Matt Roper wrote:
> The bspec indicates that DDI A using four lanes is the only valid
> configuration for Broxton (Broxton doesn't have a DDI E to split these
> lanes with); the DDI_A_4_LANES bit of port A's DDI_BUF_CTL should always
> be set by the BIOS. Howeve
The bspec indicates that DDI A using four lanes is the only valid
configuration for Broxton (Broxton doesn't have a DDI E to split these
lanes with); the DDI_A_4_LANES bit of port A's DDI_BUF_CTL should always
be set by the BIOS. However some BIOS versions seem to only be setting
this bit if eDP i
