Re: [PATCH 9/9] drm/i915: Remove old PSR2 FIXME about frontbuffer tracking

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On Mon, Nov 26, 2018 at 04:37:10PM -0800, José Roberto de Souza wrote:
> Our frontbuffer tracking improved over the years + the WA #0884
> helped us keep PSR2 enabled while triggering screen updates when
> necessary so this FIXME is not valid anymore.
> 
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_psr.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 6fd793fec5e9..a1bde8bbd85b 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -490,9 +490,6 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
>  	/* Avoid deep sleep as much as possible to avoid PSR2 idle state */
>  	val |= EDP_PSR2_IDLE_FRAMES_TO_DEEP_SLEEP(15);
>  
> -	/* FIXME: selective update is probably totally broken because it doesn't
> -	 * mesh at all with our frontbuffer tracking. And the hw alone isn't
> -	 * good enough. */
>  	val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
>  	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
>  		val |= EDP_Y_COORDINATE_ENABLE;
> -- 
> 2.19.2
> 
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