From: Varun Gupta Date: Thu, 26 Mar 2026 16:16:28 +0000 (+0530) Subject: drm/xe/xe3p_lpg: Add Wa_18044193044 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c027f1a19180ea4e5aa29bab4e0871a21bb96c05;p=thirdparty%2Fkernel%2Flinux.git drm/xe/xe3p_lpg: Add Wa_18044193044 Add engine workaround Wa_18044193044 for graphics version 35.10 stepping A0..B0. Signed-off-by: Varun Gupta Reviewed-by: Tejas Upadhyay Link: https://patch.msgid.link/20260326161628.3566067-1-varun.gupta@intel.com Signed-off-by: Matt Roper --- diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h index 87a99efa47651..16c87ce3f614e 100644 --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h @@ -564,6 +564,7 @@ #define DIS_ATOMIC_CHAINING_TYPED_WRITES REG_BIT(3) #define TDL_CHICKEN XE_REG_MCR(0xe5f4, XE_REG_OPTION_MASKED) +#define BIT_APQ_OPT_DIS REG_BIT(14) #define QID_WAIT_FOR_THREAD_NOT_RUN_DISABLE REG_BIT(12) #define EUSTALL_PERF_SAMPLING_DISABLE REG_BIT(5) diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c index 2ec70be78bf90..49f5e3e4c7cc1 100644 --- a/drivers/gpu/drm/xe/xe_wa.c +++ b/drivers/gpu/drm/xe/xe_wa.c @@ -609,6 +609,11 @@ static const struct xe_rtp_entry_sr engine_was[] = { FUNC(xe_rtp_match_first_render_or_compute)), XE_RTP_ACTIONS(SET(ROW_CHICKEN3, DIS_EU_GRF_POISON_TO_LSC)) }, + { XE_RTP_NAME("18044193044"), + XE_RTP_RULES(GRAPHICS_VERSION(3510), GRAPHICS_STEP(A0, B0), + FUNC(xe_rtp_match_first_render_or_compute)), + XE_RTP_ACTIONS(SET(TDL_CHICKEN, BIT_APQ_OPT_DIS)) + }, }; static const struct xe_rtp_entry_sr lrc_was[] = {