[Intel-xe] [PATCH] drm/xe/: add gt tuning for indirect state

[Matt Atwood]

Force indirect state sampler data to only be in the dynamic state pool,
which is more convienent for UMD. Behavior change mirrors windows
behavior.

Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h | 1 +
 drivers/gpu/drm/xe/xe_tuning.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 f174758d8307..b7324aede6b6 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -286,6 +286,7 @@
 #define   ENABLE_SMALLPL			REG_BIT(15)
 #define   SC_DISABLE_POWER_OPTIMIZATION_EBB	REG_BIT(9)
 #define   GEN11_SAMPLER_ENABLE_HEADLESS_MSG	REG_BIT(5)
+#define   INDIRECT_STATE_BASE_ADDR_OVERRIDE	REG_BIT(0)
 
 #define GEN9_HALF_SLICE_CHICKEN7		MCR_REG(0xe194)
 #define   DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA	REG_BIT(15)
diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index 27cf1330facd..5abef45a10fc 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -26,6 +26,11 @@ static const struct xe_rtp_entry gt_tunings[] = {
 	  XE_RTP_RULES(PLATFORM(DG2)),
 	  XE_RTP_ACTIONS(SET(XEHP_SQCM, EN_32B_ACCESS))
 	},
+	{ XE_RTP_NAME("Tuning: Set Indirect State Override"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, -1)),
+	  XE_RTP_ACTIONS(SET(GEN10_SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE,
+			     XE_RTP_ACTION_FLAG(MASKED_REG)))
+	},
 	{}
 };
 
-- 
2.39.2