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

[Josh Triplett]

On Tue, Nov 13, 2012 at 12:04:53AM +0100, Daniel Vetter wrote:
> 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.

Tested-by: Josh Triplett <josh at joshtriplett.org>

With this patch, I can boot and run on such a board.  I do get an odd
kernel gripe, though: "More than 8 outputs detected".

> > 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
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch