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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 965C96E88A; Thu, 15 Jul 2021 17:18:04 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5CF986E88A for ; Thu, 15 Jul 2021 17:18:03 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10046"; a="207571071" X-IronPort-AV: E=Sophos;i="5.84,242,1620716400"; d="scan'208";a="207571071" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2021 10:18:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,242,1620716400"; d="scan'208";a="413707485" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by orsmga003.jf.intel.com with ESMTP; 15 Jul 2021 10:17:59 -0700 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx604.amr.corp.intel.com (10.18.126.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Thu, 15 Jul 2021 10:17:59 -0700 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Thu, 15 Jul 2021 10:17:58 -0700 Received: from fmsmsx611.amr.corp.intel.com ([10.18.126.91]) by fmsmsx611.amr.corp.intel.com ([10.18.126.91]) with mapi id 15.01.2242.010; Thu, 15 Jul 2021 10:17:58 -0700 From: "Srivatsa, Anusha" To: "Roper, Matthew D" , "intel-gfx@lists.freedesktop.org" Thread-Topic: [PATCH v2 39/50] drm/i915/dg2: Don't read DRAM info Thread-Index: AQHXeF6RTMSFoDYtZU2NWeQzj/6j7KtESdyw Date: Thu, 15 Jul 2021 17:17:58 +0000 Message-ID: <41ae4afd25234da9b3727adf347c4774@intel.com> References: <20210714031540.3539704-1-matthew.d.roper@intel.com> <20210714031540.3539704-40-matthew.d.roper@intel.com> In-Reply-To: <20210714031540.3539704-40-matthew.d.roper@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-version: 11.5.1.3 dlp-product: dlpe-windows dlp-reaction: no-action x-originating-ip: [10.22.254.132] MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v2 39/50] drm/i915/dg2: Don't read DRAM info 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" > -----Original Message----- > From: Roper, Matthew D > Sent: Tuesday, July 13, 2021 8:15 PM > To: intel-gfx@lists.freedesktop.org > Cc: Roper, Matthew D ; Srivatsa, Anusha > > Subject: [PATCH v2 39/50] drm/i915/dg2: Don't read DRAM info > > DG2 does not use system DRAM information for BW_BUDDY programming or > watermark workarounds, so there's no need to read this out at startup. > > Cc: Anusha Srivatsa > Signed-off-by: Matt Roper Reviewed-by: Anusha Srivatsa > --- > drivers/gpu/drm/i915/intel_dram.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dram.c > b/drivers/gpu/drm/i915/intel_dram.c > index 879b0f007be3..9675bb94b70b 100644 > --- a/drivers/gpu/drm/i915/intel_dram.c > +++ b/drivers/gpu/drm/i915/intel_dram.c > @@ -494,15 +494,15 @@ void intel_dram_detect(struct drm_i915_private > *i915) > struct dram_info *dram_info = &i915->dram_info; > int ret; > > + if (GRAPHICS_VER(i915) < 9 || IS_DG2(i915) || !HAS_DISPLAY(i915)) > + return; > + > /* > * Assume level 0 watermark latency adjustment is needed until > proven > * otherwise, this w/a is not needed by bxt/glk. > */ > dram_info->wm_lv_0_adjust_needed = !IS_GEN9_LP(i915); > > - if (GRAPHICS_VER(i915) < 9 || !HAS_DISPLAY(i915)) > - return; > - > if (GRAPHICS_VER(i915) >= 12) > ret = gen12_get_dram_info(i915); > else if (GRAPHICS_VER(i915) >= 11) > -- > 2.25.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx