From ecabb5e6ce54711c28706fc794d77adb3ecd0605 Mon Sep 17 00:00:00 2001 From: Shekhar Chauhan Date: Mon, 5 Aug 2024 11:07:10 +0530 Subject: [PATCH] drm/xe/xe2: Add performance turning changes Update performance tuning according to the hardware spec. Bspec: 72161 Signed-off-by: Shekhar Chauhan Reviewed-by: Sai Teja Pottumuttu Reviewed-by: Akshata Jahagirdar Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20240805053710.877119-1-shekhar.chauhan@intel.com --- 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(-) diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h index c50643ab4c84..2c8c4d4218db 100644 --- 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) @@ -193,6 +196,7 @@ #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 */ diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c index 3817b7743b0c..faa1bf42e50e 100644 --- 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_tunings[] = { }, { 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_tunings[] = { 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))) + }, {} }; -- 2.25.1