[PATCH] drm/xe/xelpg: Add Wa_14020495402

[Radhakrishna Sripada]

Disable clockgating for TDL SVHS fub.

Bspec: 46045
Cc: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h | 1 +
 drivers/gpu/drm/xe/xe_wa.c           | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 15ac2d284d48..acf7bbe8cc8d 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -364,6 +364,7 @@
 #define   DISABLE_EARLY_READ			REG_BIT(14)
 #define   ENABLE_LARGE_GRF_MODE			REG_BIT(12)
 #define   PUSH_CONST_DEREF_HOLD_DIS		REG_BIT(8)
+#define   DISABLE_TDL_SVHS_GATING		REG_BIT(1)
 #define   DISABLE_DOP_GATING			REG_BIT(0)
 
 #define RT_CTRL					XE_REG_MCR(0xe530)
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 2460c570e628..6ab06f029aa9 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -396,6 +396,11 @@ static const struct xe_rtp_entry_sr engine_was[] = {
 	  XE_RTP_ACTIONS(SET(XEHP_HDC_CHICKEN0, DIS_ATOMIC_CHAINING_TYPED_WRITES,
 			     XE_RTP_NOCHECK))
 	},
+	{ XE_RTP_NAME("14020495402"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1270, 1271),
+		       FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(ROW_CHICKEN2, DISABLE_TDL_SVHS_GATING))
+	},
 
 	/* Xe2_LPG */
 
-- 
2.34.1