[Intel-gfx] [PATCH 2/2] drm/i915/cml: Introduce Comet Lake PCH

[Dhinakaran Pandiyan]

On Mon, 2019-03-04 at 15:50 -0800, Rodrigo Vivi wrote:
> On Mon, Mar 04, 2019 at 03:06:05PM -0800, Anusha wrote:
> > From: Anusha Srivatsa <anusha.srivatsa at intel.com>
> > 
> > Comet Lake PCH is based off of Cannon Point(CNP).
> > Add PCI ID for Comet Lake PCH.
> > 
> > Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> > Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> > Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
> 
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> 
> > ---
> >  drivers/gpu/drm/i915/i915_drv.c | 2 ++
> >  drivers/gpu/drm/i915/i915_drv.h | 3 ++-
> >  2 files changed, 4 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_drv.c
> > b/drivers/gpu/drm/i915/i915_drv.c
> > index 1b2f5a6f8c25..7934f19ed250 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.c
> > +++ b/drivers/gpu/drm/i915/i915_drv.c
> > @@ -186,6 +186,8 @@ intel_pch_type(const struct drm_i915_private
> > *dev_priv, unsigned short id)
> >  		return PCH_CNP;
> >  	case INTEL_PCH_CNP_LP_DEVICE_ID_TYPE:
> >  		DRM_DEBUG_KMS("Found Cannon Lake LP PCH (CNP-LP)\n");
> > +	case INTEL_PCH_CMP_DEVICE_ID_TYPE:
> > +		DRM_DEBUG_KMS("Found Comet Lake LP PCH (CMP)\n");
This will end up printing both debug messages for CNP-LP devices.

> >  		WARN_ON(!IS_CANNONLAKE(dev_priv) &&
> > !IS_COFFEELAKE(dev_priv));
> >  		return PCH_CNP;
> >  	case INTEL_PCH_ICP_DEVICE_ID_TYPE:
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h
> > b/drivers/gpu/drm/i915/i915_drv.h
> > index 453af7438e67..55298e19e740 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -530,7 +530,7 @@ enum intel_pch {
> >  	PCH_LPT,	/* Lynxpoint/Wildcatpoint PCH */
> >  	PCH_SPT,        /* Sunrisepoint PCH */
> >  	PCH_KBP,        /* Kaby Lake PCH */
> > -	PCH_CNP,        /* Cannon Lake PCH */
> > +	PCH_CNP,        /* Cannon/Comet Lake PCH */
> >  	PCH_ICP,	/* Ice Lake PCH */
> >  	PCH_NOP,	/* PCH without south display */
> >  };
> > @@ -2552,6 +2552,7 @@ static inline unsigned int
> > i915_sg_segment_size(void)
> >  #define INTEL_PCH_KBP_DEVICE_ID_TYPE		0xA280
> >  #define INTEL_PCH_CNP_DEVICE_ID_TYPE		0xA300
> >  #define INTEL_PCH_CNP_LP_DEVICE_ID_TYPE		0x9D80
> > +#define INTEL_PCH_CMP_DEVICE_ID_TYPE		0x0280
> >  #define INTEL_PCH_ICP_DEVICE_ID_TYPE		0x3480
> >  #define INTEL_PCH_P2X_DEVICE_ID_TYPE		0x7100
> >  #define INTEL_PCH_P3X_DEVICE_ID_TYPE		0x7000
> > -- 
> > 2.21.0
> > 
> 
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