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drm/xe/xe2: Introduce performance changes

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Add Compression Performance Improvement Changes in Xe2

v2: Rebase

v3: Rebase, updated as per latest changes on bspec,
    Removed unnecessary default actions (Matt)
    formatting nits (Tejas)

v4: Formatting nits, removed default set action for bit 14 (Matt)

Bspec: 72161
Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c2dd753fdc55df6a6432026f2df9c2684a0d25c1.1722607628.git.akshata.jahagirdar@intel.com
This commit is contained in:
Akshata Jahagirdar 2024-08-02 07:12:03 -07:00 committed by Matt Roper
parent 4f04d07c0a
commit 2009e808bc
2 changed files with 8 additions and 0 deletions
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3
drivers/gpu/drm/xe/regs/xe_gt_regs.h
View File

@ -367,6 +367,9 @@
#define XEHP_L3NODEARBCFG XE_REG_MCR(0xb0b4)
#define XEHP_LNESPARE REG_BIT(19)
#define L3SQCREG2 XE_REG_MCR(0xb104)
#define COMPMEMRD256BOVRFETCHEN REG_BIT(20)
#define L3SQCREG3 XE_REG_MCR(0xb108)
#define COMPPWOVERFETCHEN REG_BIT(28)

5
drivers/gpu/drm/xe/xe_tuning.c
View File

@ -45,6 +45,11 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
XE_RTP_ACTIONS(SET(L3SQCREG3, COMPPWOVERFETCHEN))
},
{ XE_RTP_NAME("Tuning: L2 Overfetch Compressible Only"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
XE_RTP_ACTIONS(SET(L3SQCREG2,
COMPMEMRD256BOVRFETCHEN))
},
{}
};