Re: [PATCH] drm/i915/vlv: use W_SYNC_SHIFT for interlaced modes on VLV

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On Thu, Mar 27, 2014 at 11:56:08AM -0700, Jesse Barnes wrote:
> This makes HDMI testers happier on VLV platforms.  It may be that we
> need it for any non-SVO platform, but I don't have any tests to back
> that up, so I'm leaving other pre-ILK platforms alone for now.
> 
> Tested-by: "Clint Taylor <clinton.a.taylor@xxxxxxxxx>"
> Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_display.c |    5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e0a87aa..d633139 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5541,8 +5541,11 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
>  		}
>  	}
>  
> -	if (!IS_GEN2(dev) &&
> +	if (IS_VALLEYVIEW(dev) &&
>  	    intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
> +		pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT;
> +	else if (!IS_GEN2(dev) &&
> +		 intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
>  		pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
>  	else
>  		pipeconf |= PIPECONF_PROGRESSIVE;
> -- 
> 1.7.9.5
> 
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-- 
Ville Syrjälä
Intel OTC
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