[Intel-xe] [PATCH v3 1/3] drm/xe/pvc: Blacklist BCS_SWCTRL register

[Niranjana Vishwanathapura]

Wa_16017236439 requires the BCS_SWCTRL to be privileged.

v2: Define and use BCS_SWCTRL()

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>
---
 drivers/gpu/drm/xe/regs/xe_engine_regs.h | 2 ++
 drivers/gpu/drm/xe/xe_reg_whitelist.c    | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index d57fd855086a..1a366d8070f3 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -63,6 +63,8 @@
 #define RING_BBADDR(base)			XE_REG((base) + 0x140)
 #define RING_BBADDR_UDW(base)			XE_REG((base) + 0x168)
 
+#define BCS_SWCTRL(base)			XE_REG((base) + 0x200, XE_REG_OPTION_MASKED)
+
 /* Handling MOCS value in BLIT_CCTL like it was done CMD_CCTL */
 #define BLIT_CCTL(base)				XE_REG((base) + 0x204)
 #define   BLIT_CCTL_DST_MOCS_MASK		REG_GENMASK(14, 9)
diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c
index e83781f9a516..e66ae1bdaf9c 100644
--- a/drivers/gpu/drm/xe/xe_reg_whitelist.c
+++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c
@@ -50,6 +50,12 @@ static const struct xe_rtp_entry_sr register_whitelist[] = {
 				   RING_FORCE_TO_NONPRIV_DENY |
 				   RING_FORCE_TO_NONPRIV_RANGE_64))
 	},
+	{ XE_RTP_NAME("16017236439"),
+	  XE_RTP_RULES(PLATFORM(PVC), ENGINE_CLASS(COPY)),
+	  XE_RTP_ACTIONS(WHITELIST(BCS_SWCTRL(0),
+				   RING_FORCE_TO_NONPRIV_DENY,
+				   XE_RTP_ACTION_FLAG(ENGINE_BASE)))
+	},
 	{}
 };
 
-- 
2.21.0.rc0.32.g243a4c7e27