[Intel-gfx] [PATCH 3/4] drm/i915: Document that we implement WaIncreaseLatencyIPCEnabled

Rodrigo Vivi rodrigo.vivi at intel.com
Thu Jan 31 18:08:37 UTC 2019


On Thu, Jan 31, 2019 at 09:42:15AM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Display w/a #1141 is also known as WaIncreaseLatencyIPCEnabled.
> Add that to the comment.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index d91aec396a4c..306e41ccc50e 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4697,7 +4697,10 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *cstate,
>  	if (latency == 0)
>  		return;
>  
> -	/* Display WA #1141: kbl,cfl */
> +	/*
> +	 * WaIncreaseLatencyIPCEnabled: kbl,cfl
> +	 * Display WA #1141: kbl,cfl
> +	 */
>  	if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
>  	    IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0)) &&
>  	    dev_priv->ipc_enabled)
> -- 
> 2.19.2
> 
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