[PATCH] drm/xe/xe2hpg: Add Wa_14021821874

[Jani Nikula]

On Mon, 12 Aug 2024, "Upadhyay, Tejas" <tejas.upadhyay at intel.com> wrote:
>> -----Original Message-----
>> From: Ghimiray, Himal Prasad <himal.prasad.ghimiray at intel.com>
>> Sent: Monday, August 12, 2024 1:18 PM
>> To: Upadhyay, Tejas <tejas.upadhyay at intel.com>; intel-
>> xe at lists.freedesktop.org
>> Cc: Roper, Matthew D <matthew.d.roper at intel.com>
>> Subject: Re: [PATCH] drm/xe/xe2hpg: Add Wa_14021821874
>> 
>> 
>> 
>> On 12-08-2024 12:32, Tejas Upadhyay wrote:
>> > Wa_14021821874 applies to xe2_hpg
>> >
>> > Cc: Matt Roper <matthew.d.roper at intel.com>
>> > Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
>> > ---
>> >   drivers/gpu/drm/xe/regs/xe_gt_regs.h | 1 +
>> >   drivers/gpu/drm/xe/xe_wa.c           | 4 ++++
>> >   2 files changed, 5 insertions(+)
>> >
>> > diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> > b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> > index 2c8c4d4218db..9054253f6aaa 100644
>> > --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> > +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> > @@ -451,6 +451,7 @@
>> >   #define   DIS_FIX_EOT1_FLUSH			REG_BIT(9)
>> >
>> >   #define TDL_TSL_CHICKEN				XE_REG_MCR(0xe4c4,
>> XE_REG_OPTION_MASKED)
>> > +#define	  STK_ID_RESTRICT			REG_BIT(12)
>> 
>> Nit: space instead of tab ?
>
> Thanks for comment. Its not tab, spaces only. Also strict checkpatch
> is clean. Locally it looks ok, don’t know why it looks like tab here
> on mailing list.

I presume your editor hides it somehow. There's definitely a tab in the
patch. Try adding spaces at column 0 and see how it behaves.

checkpatch wouldn't complain about spaces after a tab for indentation,
only about tabs after spaces.

BR,
Jani.


>
> Thanks,
> Tejas
>> 
>> Patch LGTM.
>> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
>> 
>> 
>> >   #define   SLM_WMTP_RESTORE			REG_BIT(11)
>> >
>> >   #define ROW_CHICKEN				XE_REG_MCR(0xe4f0,
>> XE_REG_OPTION_MASKED)
>> > diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
>> > index 564e32e44e3b..28b7f95b6c2f 100644
>> > --- a/drivers/gpu/drm/xe/xe_wa.c
>> > +++ b/drivers/gpu/drm/xe/xe_wa.c
>> > @@ -542,6 +542,10 @@ static const struct xe_rtp_entry_sr engine_was[] = {
>> >   	  XE_RTP_RULES(GRAPHICS_VERSION(2001),
>> ENGINE_CLASS(RENDER)),
>> >   	  XE_RTP_ACTIONS(SET(HALF_SLICE_CHICKEN7,
>> CLEAR_OPTIMIZATION_DISABLE))
>> >   	},
>> > +	{ XE_RTP_NAME("14021821874"),
>> > +	  XE_RTP_RULES(GRAPHICS_VERSION(2001),
>> FUNC(xe_rtp_match_first_render_or_compute)),
>> > +	  XE_RTP_ACTIONS(SET(TDL_TSL_CHICKEN, STK_ID_RESTRICT))
>> > +	},
>> >
>> >   	/* Xe2_LPM */
>> >

-- 
Jani Nikula, Intel