[Intel-gfx] [PATCH v2 5/8] drm/i915/tc: Skip ref held check for TC legacy aux power wells

[Imre Deak]

On Mon, Apr 06, 2020 at 06:11:54PM -0700, José Roberto de Souza wrote:
> As part of ICL TC cold exit sequences we need to request aux power
> well before lock the access to TC ports, so skiping the
> intel_tc_port_ref_held() check for TC legacy ports.
> 
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>

Reviewed-by: Imre Deak <imre.deak at intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_display_power.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index 1336247743c4..0383801a9acc 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -560,6 +560,9 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
>  	if (drm_WARN_ON(&dev_priv->drm, !dig_port))
>  		return;
>  
> +	if (INTEL_GEN(dev_priv) == 11 && dig_port->tc_legacy_port)
> +		return;
> +
>  	drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port));
>  }
>  
> -- 
> 2.26.0
> 
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