Re: [PATCH V3] drm/i915/adl-n: Enable ADL-N platform

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jani
> Nikula
> Sent: Thursday, December 16, 2021 5:28 PM
> To: Surendrakumar Upadhyay, TejaskumarX
> <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>; intel-
> gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  [PATCH V3] drm/i915/adl-n: Enable ADL-N platform
> 
> On Fri, 10 Dec 2021, Tejas Upadhyay
> <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx> wrote:
> > Adding PCI device ids and enabling ADL-N platform.
> > ADL-N from i915 point of view is subplatform of ADL-P.
> >
> > BSpec: 68397
> >
> > Changes since V2:
> > 	- Added version log history
> > Changes since V1:
> > 	- replace IS_ALDERLAKE_N with IS_ADLP_N - Jani Nikula
> >
> > Signed-off-by: Tejas Upadhyay
> > <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>
> 
> Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>

Checked the changes with Bspec,
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>

> 
> 
> > ---
> >  arch/x86/kernel/early-quirks.c           | 1 +
> >  drivers/gpu/drm/i915/i915_drv.h          | 2 ++
> >  drivers/gpu/drm/i915/i915_pci.c          | 1 +
> >  drivers/gpu/drm/i915/intel_device_info.c | 7 +++++++
> > drivers/gpu/drm/i915/intel_device_info.h | 3 +++
> >  include/drm/i915_pciids.h                | 6 ++++++
> >  6 files changed, 20 insertions(+)
> >
> > diff --git a/arch/x86/kernel/early-quirks.c
> > b/arch/x86/kernel/early-quirks.c index fd2d3ab38ebb..1ca3a56fdc2d
> > 100644
> > --- a/arch/x86/kernel/early-quirks.c
> > +++ b/arch/x86/kernel/early-quirks.c
> > @@ -554,6 +554,7 @@ static const struct pci_device_id intel_early_ids[]
> __initconst = {
> >  	INTEL_RKL_IDS(&gen11_early_ops),
> >  	INTEL_ADLS_IDS(&gen11_early_ops),
> >  	INTEL_ADLP_IDS(&gen11_early_ops),
> > +	INTEL_ADLN_IDS(&gen11_early_ops),
> >  	INTEL_RPLS_IDS(&gen11_early_ops),
> >  };
> >
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h
> > b/drivers/gpu/drm/i915/i915_drv.h index a0f54a69b11d..b2ec85a3e40a
> > 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -1283,6 +1283,8 @@ IS_SUBPLATFORM(const struct drm_i915_private
> *i915,
> >  	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11)
> #define
> > IS_ADLS_RPLS(dev_priv) \
> >  	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_S,
> INTEL_SUBPLATFORM_RPL_S)
> > +#define IS_ADLP_N(dev_priv) \
> > +	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P,
> INTEL_SUBPLATFORM_N)
> >  #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
> >  				    (INTEL_DEVID(dev_priv) & 0xFF00) ==
> 0x0C00)  #define
> > IS_BDW_ULT(dev_priv) \ diff --git a/drivers/gpu/drm/i915/i915_pci.c
> > b/drivers/gpu/drm/i915/i915_pci.c index 708a23415e9c..6a19e9da53cc
> > 100644
> > --- a/drivers/gpu/drm/i915/i915_pci.c
> > +++ b/drivers/gpu/drm/i915/i915_pci.c
> > @@ -1132,6 +1132,7 @@ static const struct pci_device_id pciidlist[] = {
> >  	INTEL_RKL_IDS(&rkl_info),
> >  	INTEL_ADLS_IDS(&adl_s_info),
> >  	INTEL_ADLP_IDS(&adl_p_info),
> > +	INTEL_ADLN_IDS(&adl_p_info),
> >  	INTEL_DG1_IDS(&dg1_info),
> >  	INTEL_RPLS_IDS(&adl_s_info),
> >  	{0, 0, 0}
> > diff --git a/drivers/gpu/drm/i915/intel_device_info.c
> > b/drivers/gpu/drm/i915/intel_device_info.c
> > index a3446a2abcb2..54944d87cd3c 100644
> > --- a/drivers/gpu/drm/i915/intel_device_info.c
> > +++ b/drivers/gpu/drm/i915/intel_device_info.c
> > @@ -170,6 +170,10 @@ static const u16 subplatform_portf_ids[] = {
> >  	INTEL_ICL_PORT_F_IDS(0),
> >  };
> >
> > +static const u16 subplatform_n_ids[] = {
> > +	INTEL_ADLN_IDS(0),
> > +};
> > +
> >  static const u16 subplatform_rpls_ids[] = {
> >  	INTEL_RPLS_IDS(0),
> >  };
> > @@ -210,6 +214,9 @@ void intel_device_info_subplatform_init(struct
> drm_i915_private *i915)
> >  	} else if (find_devid(devid, subplatform_portf_ids,
> >  			      ARRAY_SIZE(subplatform_portf_ids))) {
> >  		mask = BIT(INTEL_SUBPLATFORM_PORTF);
> > +	} else if (find_devid(devid, subplatform_n_ids,
> > +				ARRAY_SIZE(subplatform_n_ids))) {
> > +		mask = BIT(INTEL_SUBPLATFORM_N);
> >  	} else if (find_devid(devid, subplatform_rpls_ids,
> >  			      ARRAY_SIZE(subplatform_rpls_ids))) {
> >  		mask = BIT(INTEL_SUBPLATFORM_RPL_S); diff --git
> > a/drivers/gpu/drm/i915/intel_device_info.h
> > b/drivers/gpu/drm/i915/intel_device_info.h
> > index 213ae2c07126..e341d90f28a2 100644
> > --- a/drivers/gpu/drm/i915/intel_device_info.h
> > +++ b/drivers/gpu/drm/i915/intel_device_info.h
> > @@ -113,6 +113,9 @@ enum intel_platform {
> >  /* ADL-S */
> >  #define INTEL_SUBPLATFORM_RPL_S	0
> >
> > +/* ADL-P */
> > +#define INTEL_SUBPLATFORM_N    0
> > +
> >  enum intel_ppgtt_type {
> >  	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
> >  	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING, diff --git
> > a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h index
> > baf3d1d3d566..533890dc9da1 100644
> > --- a/include/drm/i915_pciids.h
> > +++ b/include/drm/i915_pciids.h
> > @@ -666,6 +666,12 @@
> >  	INTEL_VGA_DEVICE(0x46C2, info), \
> >  	INTEL_VGA_DEVICE(0x46C3, info)
> >
> > +/* ADL-N */
> > +#define INTEL_ADLN_IDS(info) \
> > +	INTEL_VGA_DEVICE(0x46D0, info), \
> > +	INTEL_VGA_DEVICE(0x46D1, info), \
> > +	INTEL_VGA_DEVICE(0x46D2, info)
> > +
> >  /* RPL-S */
> >  #define INTEL_RPLS_IDS(info) \
> >  	INTEL_VGA_DEVICE(0xA780, info), \
> 
> --
> Jani Nikula, Intel Open Source Graphics Center




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