On Thu, 13 Dec 2012, Damien Lespiau <[email protected]> wrote:
> From: Damien Lespiau <[email protected]>
>
> CPT+ PCHs have different bit definition to read the HPD live status. I
> don't have an ILK with digital ports handy, which is why this patch is
> separate from the CPT+ implementation. If the docs don't lie, it should
> all be fine though.

As said, could be squashed into 2/6, but I understand your reason to
keep it separate.

Reviewed-by: Jani Nikula <[email protected]>


>
> Signed-off-by: Damien Lespiau <[email protected]>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 44 
> +++++++++++++++++++++++-------------
>  1 file changed, 28 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index 21fedf7..10759ea 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1006,22 +1006,34 @@ bool ibx_digital_port_connected(struct 
> drm_i915_private *dev_priv,
>  {
>       u32 bit;
>  
> -     /* XXX: IBX has different SDEISR bits */
> -     if (HAS_PCH_IBX(dev_priv->dev))
> -             return true;
> -
> -     switch(port->port) {
> -     case PORT_B:
> -             bit = SDE_PORTB_HOTPLUG_CPT;
> -             break;
> -     case PORT_C:
> -             bit = SDE_PORTC_HOTPLUG_CPT;
> -             break;
> -     case PORT_D:
> -             bit = SDE_PORTD_HOTPLUG_CPT;
> -             break;
> -     default:
> -             return true;
> +     if (HAS_PCH_IBX(dev_priv->dev)) {
> +             switch(port->port) {
> +             case PORT_B:
> +                     bit = SDE_PORTB_HOTPLUG;
> +                     break;
> +             case PORT_C:
> +                     bit = SDE_PORTC_HOTPLUG;
> +                     break;
> +             case PORT_D:
> +                     bit = SDE_PORTD_HOTPLUG;
> +                     break;
> +             default:
> +                     return true;
> +             }
> +     } else {
> +             switch(port->port) {
> +             case PORT_B:
> +                     bit = SDE_PORTB_HOTPLUG_CPT;
> +                     break;
> +             case PORT_C:
> +                     bit = SDE_PORTC_HOTPLUG_CPT;
> +                     break;
> +             case PORT_D:
> +                     bit = SDE_PORTD_HOTPLUG_CPT;
> +                     break;
> +             default:
> +                     return true;
> +             }
>       }
>  
>       return I915_READ(SDEISR) & bit;
> -- 
> 1.7.11.7
>
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