6.11-stable review patch. If anyone has any objections, please let me know.
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From: Shekhar Chauhan shekhar.chauhan@intel.com
commit ecabb5e6ce54711c28706fc794d77adb3ecd0605 upstream.
Update performance tuning according to the hardware spec.
Bspec: 72161 Signed-off-by: Shekhar Chauhan shekhar.chauhan@intel.com Reviewed-by: Sai Teja Pottumuttu sai.teja.pottumuttu@intel.com Reviewed-by: Akshata Jahagirdar akshata.jahagirdar@intel.com Signed-off-by: Matt Roper matthew.d.roper@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20240805053710.877119-1-shekha... Signed-off-by: Lucas De Marchi lucas.demarchi@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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))) + }, {} };