[PATCH V2] drm/xe/xe2hpg: Add Wa_14021821874

[Tejas Upadhyay]

Wa_14021821874 applies to xe2_hpg

V2(Himal):
  - Use space after define

Cc: Matt Roper <matthew.d.roper at intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray 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..5f33dee35f8a 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)
 #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 */
 
-- 
2.25.1