Re: [PATCH 3/4] drm/i915: Document that we implement WaIncreaseLatencyIPCEnabled

Rodrigo Vivi
2019-01-31T18:08:36Z

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

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@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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