From patchwork Thu Nov 17 22:24:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Atwood X-Patchwork-Id: 13047405 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C891EC4332F for ; Thu, 17 Nov 2022 22:24:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECCD910E140; Thu, 17 Nov 2022 22:24:55 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id D929010E69B for ; Thu, 17 Nov 2022 22:24:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1668723891; x=1700259891; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=r8wXj4lMVJPxVzIpxgI4oX8Oc1xLST1w0OQ79GgNnic=; b=fXbSiNRiDdj/zh1KVW+cqdZbaxUttWhgNP1sBjRGxOW2NOigWqJWd31H ReWcoQTNYajv+tNzAcUkj8OyOgmgrG1uPql4AhyjloxIgmMQi+kCq6fUK PyialFyiEsIuV0KWS42pA4Y2KhUOCykb4IaeMqOfhyPjuYcjWrEfZtG1V GIkO61H5qGZqWF+W3qf0kcOzjEV8I91unFaEsIEIbyL3d8zO1A49nFu1K 8/EO2pr97KiR8q9ermDaJPaCCGKWNKFgje4CsM2Ty2b4M55Vm0F5EkLD3 c0FefR4QwAC6tsiPYNGkaPioMEVsyoBeq7MjrtnQoN4jCgJ4JV42nkPwM g==; X-IronPort-AV: E=McAfee;i="6500,9779,10534"; a="377257328" X-IronPort-AV: E=Sophos;i="5.96,172,1665471600"; d="scan'208";a="377257328" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2022 14:24:51 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10534"; a="639979408" X-IronPort-AV: E=Sophos;i="5.96,172,1665471600"; d="scan'208";a="639979408" Received: from pasafier-mobl.amr.corp.intel.com (HELO msatwood-mobl.intel.com) ([10.212.77.208]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2022 14:24:51 -0800 From: Matt Atwood To: intel-gfx@lists.freedesktop.org Date: Thu, 17 Nov 2022 14:24:46 -0800 Message-Id: <20221117222447.193245-1-matthew.s.atwood@intel.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 1/2] drm/i915/dg2: Introduce Wa_18018764978 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Wa_18018764978 applies to specific steppings of DG2 (G10 C0+, G11 and G12 A0+). Bspec: 66622 Signed-off-by: Matt Atwood Reviewed-by: Gustavo Sousa --- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++ drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index c3cd926917957..1711dbf9dd462 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -457,6 +457,9 @@ #define GEN8_L3CNTLREG _MMIO(0x7034) #define GEN8_ERRDETBCTRL (1 << 9) +#define PSS_MODE2 _MMIO(0x703c) +#define SCOREBOARD_STALL_FLUSH_CONTROL REG_BIT(5) + #define GEN7_SC_INSTDONE _MMIO(0x7100) #define GEN12_SC_INSTDONE_EXTRA _MMIO(0x7104) #define GEN12_SC_INSTDONE_EXTRA2 _MMIO(0x7108) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 1bd8d63ad4f3f..483fd2a83ca19 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -774,6 +774,11 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine, IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915)) wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000); + /* Wa_18018764978:dg2 */ + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_C0, STEP_FOREVER) || + IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915)) + wa_masked_en(wal, PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL); + /* Wa_15010599737:dg2 */ wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN); }