Re: [PATCH 7/8] drm/i915/adl_s: Add display WAs for ADL-S

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On Fri, 2021-01-29 at 10:29 -0800, Aditya Swarup wrote:
> - Extend permanent driver WA Wa_1409767108, Wa_14010685332
>   and Wa_14011294188 to adl-s.
> - Extend permanent driver WA Wa_1606054188 to adl-s.
> - Add Wa_14011765242 for adl-s A0 stepping.

Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>

> 
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> Signed-off-by: Aditya Swarup <aditya.swarup@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_display_power.c | 7 ++++---
>  drivers/gpu/drm/i915/display/intel_sprite.c        | 4 ++--
>  drivers/gpu/drm/i915/intel_device_info.c           | 6 +++++-
>  3 files changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index cccfd45a67cf..e17b1ca356c3 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -5339,9 +5339,10 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
>  	unsigned long abox_mask = INTEL_INFO(dev_priv)->abox_mask;
>  	int config, i;
>  
> 
> 
> 
> -	if (IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0) ||
> +	if (IS_ALDERLAKE_S(dev_priv) ||
> +	    IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0) ||
>  	    IS_TGL_DISP_STEPPING(dev_priv, STEP_A0, STEP_B0))
> -		/* Wa_1409767108:tgl,dg1 */
> +		/* Wa_1409767108:tgl,dg1,adl-s */
>  		table = wa_1409767108_buddy_page_masks;
>  	else
>  		table = tgl_buddy_page_masks;
> @@ -5379,7 +5380,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
>  
> 
> 
> 
>  	gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
>  
> 
> 
> 
> -	/* Wa_14011294188:ehl,jsl,tgl,rkl */
> +	/* Wa_14011294188:ehl,jsl,tgl,rkl,adl-s */
>  	if (INTEL_PCH_TYPE(dev_priv) >= PCH_JSP &&
>  	    INTEL_PCH_TYPE(dev_priv) < PCH_DG1)
>  		intel_de_rmw(dev_priv, SOUTH_DSPCLK_GATE_D, 0,
> diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
> index b1c7e9b010f4..402030251c64 100644
> --- a/drivers/gpu/drm/i915/display/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/display/intel_sprite.c
> @@ -2392,8 +2392,8 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
>  		return -EINVAL;
>  	}
>  
> 
> 
> 
> -	/* Wa_1606054188:tgl */
> -	if (IS_TIGERLAKE(dev_priv) &&
> +	/* Wa_1606054188:tgl,adl-s */
> +	if ((IS_ALDERLAKE_S(dev_priv) || IS_TIGERLAKE(dev_priv)) &&
>  	    plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
>  	    intel_format_is_p01x(fb->format->format)) {
>  		drm_dbg_kms(&dev_priv->drm,
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index 85d6883745d8..92ad3e7d1f6f 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -250,7 +250,11 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
>  	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
>  	enum pipe pipe;
>  
> 
> 
> 
> -	if (INTEL_GEN(dev_priv) >= 10) {
> +	/* Wa_14011765242: adl-s A0 */
> +	if (IS_ADLS_DISP_STEPPING(dev_priv, STEP_A0, STEP_A0))
> +		for_each_pipe(dev_priv, pipe)
> +			runtime->num_scalers[pipe] = 0;
> +	else if (INTEL_GEN(dev_priv) >= 10) {
>  		for_each_pipe(dev_priv, pipe)
>  			runtime->num_scalers[pipe] = 2;
>  	} else if (IS_GEN(dev_priv, 9)) {

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