Re: [Intel-gfx] [PATCH] drm/i915/display: nuke skl workaround for pre-production hw

From: Matt Roper <matthew.d.roper@intel.com>
To: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/display: nuke skl workaround for pre-production hw
Date: Mon, 23 Dec 2019 12:35:53 -0800	[thread overview]
Message-ID: <20191223203553.GE2877816@mdroper-desk1.amr.corp.intel.com> (raw)
In-Reply-To: <20191220220650.16349-1-lucas.demarchi@intel.com>

On Fri, Dec 20, 2019 at 02:06:50PM -0800, Lucas De Marchi wrote:
> According to intel_detect_preproduction_hw(), the SKL steeping D0 is
> still pre-preproduction so we can nuke the additional workaround.
> 
> While at it, nuke dangling new line.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Bspec 13626 agrees that everything up to and including F0 is
pre-production.

s/steeping/stepping/ in the commit message, but otherwise

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index e6702b9b9117..4aa7dfa88c7c 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -16018,14 +16018,8 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
>  		if (intel_ddi_crt_present(dev_priv))
>  			intel_crt_init(dev_priv);
>  
> -		/*
> -		 * Haswell uses DDI functions to detect digital outputs.
> -		 * On SKL pre-D0 the strap isn't connected, so we assume
> -		 * it's there.
> -		 */
>  		found = I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED;
> -		/* WaIgnoreDDIAStrap: skl */
> -		if (found || IS_GEN9_BC(dev_priv))
> +		if (found)
>  			intel_ddi_init(dev_priv, PORT_A);
>  
>  		/* DDI B, C, D, and F detection is indicated by the SFUSE_STRAP
> @@ -16046,7 +16040,6 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
>  		if (IS_GEN9_BC(dev_priv) &&
>  		    intel_bios_is_port_present(dev_priv, PORT_E))
>  			intel_ddi_init(dev_priv, PORT_E);
> -
>  	} else if (HAS_PCH_SPLIT(dev_priv)) {
>  		int found;
>  
> -- 
> 2.24.0
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

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