[Intel-gfx] [PATCH] drm/i915/bxt: Correct dual-link MIPI port control.

[Ville Syrjälä]

On Mon, Nov 21, 2016 at 02:24:06PM -0800, Bob Paauwe wrote:
> For BXT, there is only one bit that enables/disables dual-link mode
> and not different bits depending on which pipe is being used.
> 
> Signed-off-by: Bob Paauwe <bob.j.paauwe at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dsi.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 4e0d025..a35c141 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -476,7 +476,10 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder)
>  		if (intel_dsi->ports == (BIT(PORT_A) | BIT(PORT_C))) {
>  			temp |= (intel_dsi->dual_link - 1)
>  						<< DUAL_LINK_MODE_SHIFT;
> -			temp |= intel_crtc->pipe ?
> +			if (IS_BROXTON(dev_priv))
> +				temp |= LANE_CONFIGURATION_DUAL_LINK_A;
> +			else
> +				temp |= intel_crtc->pipe ?
>  					LANE_CONFIGURATION_DUAL_LINK_B :
>  					LANE_CONFIGURATION_DUAL_LINK_A;

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

-- 
Ville Syrjälä
Intel OTC