[PATCH 6.11 239/245] drm/xe/xe2: Add performance turning changes

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6.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Shekhar Chauhan <shekhar.chauhan@xxxxxxxxx>

commit ecabb5e6ce54711c28706fc794d77adb3ecd0605 upstream.

Update performance tuning according to the hardware spec.

Bspec: 72161
Signed-off-by: Shekhar Chauhan <shekhar.chauhan@xxxxxxxxx>
Reviewed-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@xxxxxxxxx>
Reviewed-by: Akshata Jahagirdar <akshata.jahagirdar@xxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240805053710.877119-1-shekhar.chauhan@xxxxxxxxx
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h |    4 ++++
 drivers/gpu/drm/xe/xe_tuning.c       |    8 +++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -80,6 +80,9 @@
 #define   LE_CACHEABILITY_MASK			REG_GENMASK(1, 0)
 #define   LE_CACHEABILITY(value)		REG_FIELD_PREP(LE_CACHEABILITY_MASK, value)
 
+#define STATELESS_COMPRESSION_CTRL		XE_REG(0x4148)
+#define   UNIFIED_COMPRESSION_FORMAT		REG_GENMASK(3, 0)
+
 #define XE2_GAMREQSTRM_CTRL			XE_REG(0x4194)
 #define   CG_DIS_CNTLBUS			REG_BIT(6)
 
@@ -194,6 +197,7 @@
 #define GSCPSMI_BASE				XE_REG(0x880c)
 
 #define CCCHKNREG1				XE_REG_MCR(0x8828)
+#define   L3CMPCTRL				REG_BIT(23)
 #define   ENCOMPPERFFIX				REG_BIT(18)
 
 /* Fuse readout registers for GT */
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -39,7 +39,8 @@ static const struct xe_rtp_entry_sr gt_t
 	},
 	{ XE_RTP_NAME("Tuning: Compression Overfetch"),
 	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
-	  XE_RTP_ACTIONS(CLR(CCCHKNREG1, ENCOMPPERFFIX)),
+	  XE_RTP_ACTIONS(CLR(CCCHKNREG1, ENCOMPPERFFIX),
+			 SET(CCCHKNREG1, L3CMPCTRL))
 	},
 	{ XE_RTP_NAME("Tuning: Enable compressible partial write overfetch in L3"),
 	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
@@ -50,6 +51,11 @@ static const struct xe_rtp_entry_sr gt_t
 	  XE_RTP_ACTIONS(SET(L3SQCREG2,
 			     COMPMEMRD256BOVRFETCHEN))
 	},
+	{ XE_RTP_NAME("Tuning: Stateless compression control"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
+	  XE_RTP_ACTIONS(FIELD_SET(STATELESS_COMPRESSION_CTRL, UNIFIED_COMPRESSION_FORMAT,
+				   REG_FIELD_PREP(UNIFIED_COMPRESSION_FORMAT, 0)))
+	},
 	{}
 };
 






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