[Intel-gfx] [PATCH 2/2] drm/i915/skl: Skylake also supports DP MST

[Daniel Vetter]

On Fri, Dec 12, 2014 at 02:26:58PM +0000, Damien Lespiau wrote:
> I've checked that TRANS_DDI_MODE, DP_TP_CTL MST bits are identical to
> HSW/BDW on SKL, as well as the long vs short HPD bits. So we have a good
> chance to be working as well as prevous platforms.
> 
> Signed-off-by: Damien Lespiau <damien.lespiau at 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 3fc3296..8e276c4 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -5085,7 +5085,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
>  	intel_dp_aux_init(intel_dp, intel_connector);
>  
>  	/* init MST on ports that can support it */
> -	if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
> +	if (IS_HASWELL(dev) || IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) {

HAS_DDI might be a nice bikeshed here if you're bored. Applied both to
dinq.

Thanks, Daniel
>  		if (port == PORT_B || port == PORT_C || port == PORT_D) {
>  			intel_dp_mst_encoder_init(intel_dig_port,
>  						  intel_connector->base.base.id);
> -- 
> 1.8.3.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch