[Intel-gfx] [07/12] drm/i915: Configure GEN11_{TBT, TC}_HOTPLUG_CTL for ports TC5/6

[Souza, Jose]

On Wed, 2020-07-01 at 00:55 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <
> ville.syrjala at linux.intel.com
> >
> 
> gen11_hpd_detection_setup() is missing ports TC5/6. Add them.
> 
> TODO: Might be nice to only enable the hpd detection logic
> for ports we actually have. Should be rolled out for all
> platforms if/when done...

TC5 and TC6 don't exist in ICL but this is not a reserved register, should not cause any harm.

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> 
> Signed-off-by: Ville Syrjälä <
> ville.syrjala at linux.intel.com
> >
> ---
>  drivers/gpu/drm/i915/i915_irq.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index ad52109c747d..839ae674bc44 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -3109,14 +3109,18 @@ static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv)
>  	hotplug |= GEN11_HOTPLUG_CTL_ENABLE(PORT_TC1) |
>  		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC2) |
>  		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC3) |
> -		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC4);
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC4) |
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC5) |
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC6);
>  	I915_WRITE(GEN11_TC_HOTPLUG_CTL, hotplug);
>  
>  	hotplug = I915_READ(GEN11_TBT_HOTPLUG_CTL);
>  	hotplug |= GEN11_HOTPLUG_CTL_ENABLE(PORT_TC1) |
>  		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC2) |
>  		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC3) |
> -		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC4);
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC4) |
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC5) |
> +		   GEN11_HOTPLUG_CTL_ENABLE(PORT_TC6);
>  	I915_WRITE(GEN11_TBT_HOTPLUG_CTL, hotplug);
>  }
>  
>