From mboxrd@z Thu Jan 1 00:00:00 1970 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 78449C77B73 for ; Wed, 19 Apr 2023 10:59:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 173B510E928; Wed, 19 Apr 2023 10:59:13 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2C3610E12D; Wed, 19 Apr 2023 10:59:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681901950; x=1713437950; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8JlPXaDQG7V3H8ynyEvTiTc66rhdQGbqZ+h1OiL8KMg=; b=cD9Viafm6p4aRCqPuOpAbTTB+JyS03o5Ippp0s3LEq2oHzpYt/5Nuod0 HukOrt4VHX55rP3YNImXQlCFZDuWQrzvMi3BQ7T9cXKunb+nkRzr7mVnO MVCdXs4vXK+ByQnMymrHDkhn5BEg9QeuxgkYFMUz5hSpVSIkZZovjs+Ed UdXfO9f0X4R4JX3ccsR/WG1j3pO5GU5NFoeuZ9TBhhPRUbFpi4spNh66F bjBc3W1ey9G8gaYdzPKWBQItoyr/y0utT29DTHRvC/dq4SL1nK0nxQe9g dFeIgdo2TH/IM5Dxwuf3znJvKwy30jWKIYprL9xVP836G/ygA0mb2oTmM w==; X-IronPort-AV: E=McAfee;i="6600,9927,10684"; a="373295749" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="373295749" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 03:59:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10684"; a="756066315" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="756066315" Received: from crijnder-mobl.ger.corp.intel.com (HELO intel.com) ([10.249.35.137]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 03:59:07 -0700 Date: Wed, 19 Apr 2023 12:59:04 +0200 From: Andi Shyti To: fei.yang@intel.com Message-ID: References: <20230417062503.1884465-1-fei.yang@intel.com> <20230417062503.1884465-5-fei.yang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230417062503.1884465-5-fei.yang@intel.com> Subject: Re: [Intel-gfx] [PATCH 4/8] drm/i915/mtl: workaround coherency issue for Media 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: , Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Fei, > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c > @@ -743,6 +743,13 @@ struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size) > if (IS_ERR(obj)) > return ERR_CAST(obj); > > + /* > + * Wa_22016122933: For MTL the shared memory needs to be mapped > + * as WC on CPU side and UC (PAT index 2) on GPU side Isn't UC PAT index 3? Andi