drm/xe/xe2_lpg: Add Wa_16018610683

Force max 128KB SLM during WMTP PASS1 Restore.

BSpec: 70202
Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20240109055550.679289-1-shekhar.chauhan@intel.comSigned-off-by: Matt Roper <matthew.d.roper@intel.com>

drivers/gpu/drm/xe/regs/xe_gt_regs.h

@@ -345,6 +345,9 @@
 #define ROW_CHICKEN3				XE_REG_MCR(0xe49c, XE_REG_OPTION_MASKED)
 #define   DIS_FIX_EOT1_FLUSH			REG_BIT(9)
 
+#define TDL_TSL_CHICKEN				XE_REG_MCR(0xe4c4, XE_REG_OPTION_MASKED)
+#define   SLM_WMTP_RESTORE			REG_BIT(11)
+
 #define ROW_CHICKEN				XE_REG_MCR(0xe4f0, XE_REG_OPTION_MASKED)
 #define   UGM_BACKUP_MODE			REG_BIT(13)
 #define   MDQ_ARBITRATION_MODE			REG_BIT(12)

drivers/gpu/drm/xe/xe_wa.c

@@ -455,7 +455,10 @@ static const struct xe_rtp_entry_sr engine_was[] = {
 			     PPHWSP_CSB_AND_TIMESTAMP_REPORT_DIS,
 			     XE_RTP_ACTION_FLAG(ENGINE_BASE)))
 	},
-
+	{ XE_RTP_NAME("16018610683"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2004), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(TDL_TSL_CHICKEN, SLM_WMTP_RESTORE))
+	},
 	{}
 };