[Intel-gfx] [PATCH 10/22] drm/i915/adl_s: Initialize display for ADL-S

[Matt Roper]

On Fri, Dec 04, 2020 at 05:08:32PM -0800, Aditya Swarup wrote:
> Initialize display outputs for ADL-S. ADL-S has 5 display
> outputs -> 1 eDP, 2 HDMI and 2 DP++ outputs.
> 
> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 0ff0eeabab8c..19ed51e6c647 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -17627,7 +17627,13 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
>  	if (!HAS_DISPLAY(dev_priv))
>  		return;
>  
> -	if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) {
> +	if (IS_ALDERLAKE_S(dev_priv)) {
> +		intel_ddi_init(dev_priv, PORT_A);
> +		intel_ddi_init(dev_priv, PORT_D);	/* DDI TC1 */

It all comes out the same in the end, but we should just pass PORT_TC1
and such for these outputs since that's the formal name in the bspec
(and matches how we handle RKL/DG1 that also have "TC" DDIs that are
actually combo PHYs).


Matt

> +		intel_ddi_init(dev_priv, PORT_E);	/* DDI TC2 */
> +		intel_ddi_init(dev_priv, PORT_F);	/* DDI TC3 */
> +		intel_ddi_init(dev_priv, PORT_G);	/* DDI TC4 */
> +	} else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv)) {
>  		intel_ddi_init(dev_priv, PORT_A);
>  		intel_ddi_init(dev_priv, PORT_B);
>  		intel_ddi_init(dev_priv, PORT_TC1);
> -- 
> 2.27.0
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795