[PATCH v3 1/1] drm/xe/xe2: Introduce performance changes

[Matt Roper]

On Fri, Aug 02, 2024 at 02:28:50PM -0700, Matt Roper wrote:
> On Fri, Aug 02, 2024 at 07:12:03AM -0700, Akshata Jahagirdar wrote:
> > Add Compression Performance Improvement Changes in Xe2
> > 
> > v2: Rebase
> > 
> > v3: Rebase, updated as per latest changes on bspec,
> >     Removed unnecessary default actions (Matt)
> >     formatting nits (Tejas)
> > 
> > v4: Formatting nits, removed default set action for bit 14 (Matt)
> > 
> > Bspec: 72161
> > Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar at intel.com>
> 
> Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
> 
> 
> It looks like there were even more updates to the tuning page today.
> But we can handle those as a follow-up patch.

...and applied to drm-xe-next.  Thanks for the patch.


Matt

> 
> 
> Matt
> 
> > ---
> >  drivers/gpu/drm/xe/regs/xe_gt_regs.h | 3 +++
> >  drivers/gpu/drm/xe/xe_tuning.c       | 5 +++++
> >  2 files changed, 8 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
> > index 3b87f95f9ecf..c50643ab4c84 100644
> > --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
> > +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
> > @@ -367,6 +367,9 @@
> >  #define XEHP_L3NODEARBCFG			XE_REG_MCR(0xb0b4)
> >  #define   XEHP_LNESPARE				REG_BIT(19)
> >  
> > +#define L3SQCREG2				XE_REG_MCR(0xb104)
> > +#define   COMPMEMRD256BOVRFETCHEN		REG_BIT(20)
> > +
> >  #define L3SQCREG3				XE_REG_MCR(0xb108)
> >  #define   COMPPWOVERFETCHEN			REG_BIT(28)
> >  
> > diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
> > index 77d4eec0118d..3817b7743b0c 100644
> > --- a/drivers/gpu/drm/xe/xe_tuning.c
> > +++ b/drivers/gpu/drm/xe/xe_tuning.c
> > @@ -45,6 +45,11 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
> >  	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
> >  	  XE_RTP_ACTIONS(SET(L3SQCREG3, COMPPWOVERFETCHEN))
> >  	},
> > +	{ XE_RTP_NAME("Tuning: L2 Overfetch Compressible Only"),
> > +	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
> > +	  XE_RTP_ACTIONS(SET(L3SQCREG2,
> > +			     COMPMEMRD256BOVRFETCHEN))
> > +	},
> >  	{}
> >  };
> >  
> > -- 
> > 2.34.1
> > 
> 
> -- 
> Matt Roper
> Graphics Software Engineer
> Linux GPU Platform Enablement
> Intel Corporation

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation