drm/xe/xe2hpg: Introduce performance tuning changes for Xe2_HPG

Add performance tuning changes for Xe2_HPG

Bspec: 72161
Signed-off-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724121521.2347524-1-sai.teja.pottumuttu@intel.com

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

@@ -108,6 +108,7 @@
 
 #define FF_MODE					XE_REG_MCR(0x6210)
 #define   DIS_TE_AUTOSTRIP			REG_BIT(31)
+#define   VS_HIT_MAX_VALUE_MASK			REG_GENMASK(25, 20)
 #define   DIS_MESH_PARTIAL_AUTOSTRIP		REG_BIT(16)
 #define   DIS_MESH_AUTOSTRIP			REG_BIT(15)
 

drivers/gpu/drm/xe/xe_tuning.c

@@ -93,6 +93,14 @@ static const struct xe_rtp_entry_sr lrc_tunings[] = {
 				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
 	},
 
+	/* Xe2_HPG */
+
+	{ XE_RTP_NAME("Tuning: vs hit max value"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(FIELD_SET(FF_MODE, VS_HIT_MAX_VALUE_MASK,
+				   REG_FIELD_PREP(VS_HIT_MAX_VALUE_MASK, 0x3f)))
+	},
+
 	{}
 };