[Intel-gfx] [PATCH 01/12] drm/i915: Don't mark eDP encoders as MST capable

[Sharma, Shashank]

Reviewed-by: Shashank Sharma

Regards
Shashank
On 6/8/2016 4:11 PM, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> If we've determined that the encoder is eDP, we shouldn't try to use MST
> on it. Or at least the code doesn't seem to expect that since there are
> some type==DP checks in the MST code.
>
> Cc: Dave Airlie <airlied at redhat.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>   drivers/gpu/drm/i915/intel_dp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index f97cd5305e4c..0ab4f319f88f 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -5528,7 +5528,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
>   		goto fail;
>
>   	/* init MST on ports that can support it */
> -	if (HAS_DP_MST(dev) &&
> +	if (HAS_DP_MST(dev) && !is_edp(intel_dp) &&
>   	    (port == PORT_B || port == PORT_C || port == PORT_D))
>   		intel_dp_mst_encoder_init(intel_dig_port,
>   					  intel_connector->base.base.id);
>