[Intel-gfx] [PATCH] drm/i915: add LynxPoint-LP PCH ID

[Daniel Vetter]

On Mon, Nov 12, 2012 at 06:54:13PM -0200, Paulo Zanoni wrote:
> From: Wei Shun Chang <wei.shun.chang at intel.com>
> 
> [pzanoni: rebase, print it's an LP PCH]
> 
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> 
> I can't test the patch since I don't have the LP PCH.

Including Josh, since he has such a machine.
-Daniel

> 
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index f8ba5fe..418d17c 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -394,6 +394,7 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
>  #define INTEL_PCH_CPT_DEVICE_ID_TYPE	0x1c00
>  #define INTEL_PCH_PPT_DEVICE_ID_TYPE	0x1e00
>  #define INTEL_PCH_LPT_DEVICE_ID_TYPE	0x8c00
> +#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE	0x9c00
>  
>  void intel_detect_pch(struct drm_device *dev)
>  {
> @@ -433,6 +434,11 @@ void intel_detect_pch(struct drm_device *dev)
>  				dev_priv->num_pch_pll = 0;
>  				DRM_DEBUG_KMS("Found LynxPoint PCH\n");
>  				WARN_ON(!IS_HASWELL(dev));
> +			} else if (id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) {
> +				dev_priv->pch_type = PCH_LPT;
> +				dev_priv->num_pch_pll = 0;
> +				DRM_DEBUG_KMS("Found LynxPoint LP PCH\n");
> +				WARN_ON(!IS_HASWELL(dev));
>  			}
>  			BUG_ON(dev_priv->num_pch_pll > I915_NUM_PLLS);
>  		}
> -- 
> 1.7.10.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch