Re: [PATCH] drm/xe/xe2hpg: Add wa_14021821874

["Ghimiray, Himal Prasad" <himal.prasad.ghimiray@intel.com>]

On 29-04-2024 11:14, Tejas Upadhyay wrote:
> wa_14021821874 applies to xe2_hpg
>
> Signed-off-by: Tejas Upadhyay <tejas.upadhyay@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 83847f2da72a..7c9d4e55a9cf 100644
> --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
> +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
> @@ -386,6 +386,7 @@
>   
>   #define TDL_TSL_CHICKEN				XE_REG_MCR(0xe4c4, XE_REG_OPTION_MASKED)
>   #define   SLM_WMTP_RESTORE			REG_BIT(11)
> +#define   STK_ID_RESTRICT			REG_BIT(12)

define Bit in descending order


>   
>   #define ROW_CHICKEN				XE_REG_MCR(0xe4f0, XE_REG_OPTION_MASKED)
>   #define   UGM_BACKUP_MODE			REG_BIT(13)
> diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
> index 9d9b7fa7a8f0..f030dbb1b89e 100644
> --- a/drivers/gpu/drm/xe/xe_wa.c
> +++ b/drivers/gpu/drm/xe/xe_wa.c
> @@ -538,6 +538,10 @@ static const struct xe_rtp_entry_sr engine_was[] = {
>   		       FUNC(xe_rtp_match_first_render_or_compute)),
>   	  XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0, WR_REQ_CHAINING_DIS))
>   	},
> +	{ 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_HPM */
>