[Intel-gfx] [PATCH] drm/i915: Call intel_opregion_notify_encoder in intel_sanitize_encoder

[Ville Syrjälä]

On Thu, Nov 30, 2017 at 04:18:53PM +0100, Maarten Lankhorst wrote:
> Normally this is called on a modeset, but the call is missing when
> we inherit the mode from the BIOS, so make sure it's called somewhere
> in hardware readout.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index cd60b4d5cd9d..26edae07e006 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -14843,6 +14843,8 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
>  
>  		connector->base.dpms = DRM_MODE_DPMS_OFF;
>  		connector->base.encoder = NULL;
> +	} else if (connector) {
> +		intel_opregion_notify_encoder(encoder, true);


We should probably also do intel_opregion_notify_encoder(encoder, false)
when intel_sanitize_encoder() disables the encoder.

>  	}
>  }
>  
> -- 
> 2.15.0
> 
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-- 
Ville Syrjälä
Intel OTC