RE: [PATCH 24/31] drm/xe/display: Call intel_hpd_init on every runtime resume

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-----Original Message-----
From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Rodrigo Vivi
Sent: Tuesday, September 24, 2024 1:36 PM
To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; intel-xe@xxxxxxxxxxxxxxxxxxxxx
Cc: Deak, Imre <imre.deak@xxxxxxxxx>; Vivi, Rodrigo <rodrigo.vivi@xxxxxxxxx>; Govindapillai, Vinod <vinod.govindapillai@xxxxxxxxx>
Subject: [PATCH 24/31] drm/xe/display: Call intel_hpd_init on every runtime resume
> 
> We need to ensure this is called on every kind of runtime
> resume and not only on d3cold is possible. Aligning with
> the hpd sequence from i915.
> 
> Cc: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

LGTM.

Reviewed-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
-Jonathan Cavitt

> ---
>  drivers/gpu/drm/xe/display/xe_display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
> index 1ab4dd51094f..4d1dd5294b89 100644
> --- a/drivers/gpu/drm/xe/display/xe_display.c
> +++ b/drivers/gpu/drm/xe/display/xe_display.c
> @@ -330,8 +330,6 @@ static void xe_display_from_d3cold(struct xe_device *xe)
>  
>  	intel_display_driver_init_hw(xe);
>  
> -	intel_hpd_init(xe);
> -
>  	intel_opregion_resume(display);
>  
>  	intel_power_domains_enable(xe);
> @@ -470,6 +468,8 @@ void xe_display_pm_runtime_resume(struct xe_device *xe)
>  
>  	if (xe->d3cold.allowed)
>  		xe_display_from_d3cold(xe);
> +
> +	intel_hpd_init(xe);
>  }
>  
>  static void display_device_remove(struct drm_device *dev, void *arg)
> -- 
> 2.46.0
> 
> 




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