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

Daniel Vetter
2012-11-12T23:03:40Z

On Mon, Nov 12, 2012 at 06:54:13PM -0200, Paulo Zanoni wrote:
> From: Wei Shun Chang <wei.shun.chang@intel.com>
>
> [pzanoni: rebase, print it's an LP PCH]
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@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