On Sat, Nov 02, 2013 at 09:07:35PM -0700, Ben Widawsky wrote:
> From: Paulo Zanoni <[email protected]>
> 
> The platforms we currently have all have LPT LP on them. As such, we
> have no way to identify the new WPT PCH that will ship with Broadwell.
> 
> NOTE: For all purposes relevant to the driver that this point, LPT and
> WPT are equivalent. Therefore there should be no need to actually change
> this for some time.
> 
> v2: Don't assign dev_priv->num_pch_pll any more.
> 
> v3: Rebase on top of the PCH detection changes for virtualized
> enviroments.
> 
> v4 (Ben): Wrote commit message
> 
> Signed-off-by: Paulo Zanoni <[email protected]> (v1)
> Signed-off-by: Daniel Vetter <[email protected]>
> Signed-off-by: Ben Widawsky <[email protected]>
> ---

I would have probably placed the hack to the if (!pch) block in the
end, but since it's a hack anyway I guess it's good enough.

Reviewed-by: Ville Syrjälä <[email protected]>

>  drivers/gpu/drm/i915/i915_drv.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index c86d44b..590d999 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -453,6 +453,12 @@ void intel_detect_pch(struct drm_device *dev)
>                               DRM_DEBUG_KMS("Found LynxPoint LP PCH\n");
>                               WARN_ON(!IS_HASWELL(dev));
>                               WARN_ON(!IS_ULT(dev));
> +                     } else if (IS_BROADWELL(dev)) {
> +                             dev_priv->pch_type = PCH_LPT;
> +                             dev_priv->pch_id =
> +                                     INTEL_PCH_LPT_LP_DEVICE_ID_TYPE;
> +                             DRM_DEBUG_KMS("This is Broadwell, assuming "
> +                                           "LynxPoint LP PCH\n");
>                       } else {
>                               goto check_next;
>                       }
> -- 
> 1.8.4.2
> 
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-- 
Ville Syrjälä
Intel OTC
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