From 8ccf5f6b2295164962bbee5b0770f4366fd9bee2 Mon Sep 17 00:00:00 2001 From: Matt Roper Date: Tue, 24 Feb 2026 15:50:56 -0800 Subject: [PATCH] drm/xe/tuning: Apply windower hardware filtering setting on Xe3 and Xe3p A recent bspec tuning guide update asks us to program COMMON_SLICE_CHICKEN4[5] on Xe3 and Xe3p platforms. Add this setting to our LRC tuning RTP table so that the setting will become part of each context's LRC. Bspec: 72161, 55902 Reviewed-by: Shuicheng Lin Link: https://patch.msgid.link/20260224235055.3038710-2-matthew.d.roper@intel.com Signed-off-by: Matt Roper --- 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 90b9017770ea2..66ddad767ad44 100644 --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h @@ -176,6 +176,7 @@ #define COMMON_SLICE_CHICKEN4 XE_REG(0x7300, XE_REG_OPTION_MASKED) #define SBE_PUSH_CONSTANT_BEHIND_FIX_ENABLE REG_BIT(12) #define DISABLE_TDC_LOAD_BALANCING_CALC REG_BIT(6) +#define HW_FILTERING REG_BIT(5) #define COMMON_SLICE_CHICKEN3 XE_REG(0x7304, XE_REG_OPTION_MASKED) #define XEHP_COMMON_SLICE_CHICKEN3 XE_REG_MCR(0x7304, XE_REG_OPTION_MASKED) diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c index ea90e8c997548..f8de6a4bf1897 100644 --- a/drivers/gpu/drm/xe/xe_tuning.c +++ b/drivers/gpu/drm/xe/xe_tuning.c @@ -127,6 +127,11 @@ static const struct xe_rtp_entry_sr engine_tunings[] = { }; static const struct xe_rtp_entry_sr lrc_tunings[] = { + { XE_RTP_NAME("Tuning: Windower HW Filtering"), + XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, 3599), ENGINE_CLASS(RENDER)), + XE_RTP_ACTIONS(SET(COMMON_SLICE_CHICKEN4, HW_FILTERING)) + }, + /* DG2 */ { XE_RTP_NAME("Tuning: L3 cache"), -- 2.47.3