[Intel-xe] [PATCH] drm/xe/xe2: Add workaround 14019449301

[Tejas Upadhyay]

This workaround applies to Xe2_LPM media-15, stepping-A0

Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h | 3 +++
 drivers/gpu/drm/xe/xe_wa.c           | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 902c60543de0..cac6e9e3098c 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -446,6 +446,9 @@
 #define XEHPC_BCS5_BCS6_INTR_MASK		XE_REG(0x190118)
 #define XEHPC_BCS7_BCS8_INTR_MASK		XE_REG(0x19011c)
 
+#define XEHP_HRS_UNIT_LEVEL_CLKGATE		XE_REG(0x1c3f08)
+#define HRSUNIT_CLKGATE_DIS			REG_BIT(5)
+
 #define PVC_GT0_PACKAGE_ENERGY_STATUS		XE_REG(0x281004)
 #define PVC_GT0_PACKAGE_RAPL_LIMIT		XE_REG(0x281008)
 #define PVC_GT0_PACKAGE_POWER_SKU_UNIT		XE_REG(0x281068)
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index d03e6674519f..5040d3841125 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -259,6 +259,13 @@ static const struct xe_rtp_entry_sr gt_was[] = {
 	  XE_RTP_ACTIONS(SET(XELPMP_SQCNT1, ENFORCE_RAR))
 	},
 
+	/* Xe2_LPM */
+
+	{ XE_RTP_NAME("14019449301"),
+	  XE_RTP_RULES(MEDIA_VERSION(1500), MEDIA_STEP(A0, B0)),
+	  XE_RTP_ACTIONS(SET(XEHP_HRS_UNIT_LEVEL_CLKGATE, HRSUNIT_CLKGATE_DIS))
+	},
+
 	/* Xe2_LPG */
 
 	{ XE_RTP_NAME("16020975621"),
-- 
2.25.1