[Intel-gfx] [PATCH] drm/i915/cnl: document WaVFUnitClockGatingDisable

[Rafael Antognolli]

On Mon, Mar 05, 2018 at 05:20:00PM -0800, Rodrigo Vivi wrote:
> No functional change. WA is already properly applied.
> but in different databases it has different names.
> Let's document all of them to avoid future confusion.

Works for me.

Reviewed-by: Rafael Antognolli <rafael.antognolli at intel.com>

> Cc: Rafael Antognolli <rafael.antognolli at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index be01012bb65f..c0253e42a280 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -8528,6 +8528,7 @@ static void cnl_init_clock_gating(struct drm_i915_private *dev_priv)
>  	I915_WRITE(SUBSLICE_UNIT_LEVEL_CLKGATE, val);
>  
>  	/* WaDisableVFclkgate:cnl */
> +	/* WaVFUnitClockGatingDisable:cnl */
>  	val = I915_READ(UNSLICE_UNIT_LEVEL_CLKGATE);
>  	val |= VFUNIT_CLKGATE_DIS;
>  	I915_WRITE(UNSLICE_UNIT_LEVEL_CLKGATE, val);
> -- 
> 2.13.6
>