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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5119C433C1 for ; Thu, 25 Mar 2021 18:08:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id AC2D8619CB for ; Thu, 25 Mar 2021 18:08:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC2D8619CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; 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 5F8646EE06; Thu, 25 Mar 2021 18:08:23 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3DDAE6EDDA for ; Thu, 25 Mar 2021 18:07:35 +0000 (UTC) IronPort-SDR: NqSRV8IWL8+eZz5PfO9aV220Stj58EOgIzzRPzTjx8oad8QHiSrABHizGhGEkuA0ZsKmryGdxJ cZaKh1gf8oEw== X-IronPort-AV: E=McAfee;i="6000,8403,9934"; a="178112564" X-IronPort-AV: E=Sophos;i="5.81,278,1610438400"; d="scan'208";a="178112564" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2021 11:07:35 -0700 IronPort-SDR: TChAhauhw5+7CYuEqqDfEtQaKmw6De0Y+RtOKO2u1xD3LSClZ+K3zBF18RG1hy/NQsE0+5VgTu D9QkAeB9pBgg== X-IronPort-AV: E=Sophos;i="5.81,278,1610438400"; d="scan'208";a="453176721" Received: from mdroper-desk1.fm.intel.com ([10.1.27.168]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2021 11:07:34 -0700 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Thu, 25 Mar 2021 11:07:09 -0700 Message-Id: <20210325180720.401410-40-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210325180720.401410-1-matthew.d.roper@intel.com> References: <20210325180720.401410-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 39/50] drm/i915/adl_p: Enable/disable loadgen sharing 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: me@freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Mika Kahola Disable loadgen sharing for DP link rate 1.62 GHz and HDMI 5.94 GHz. For all other modes, we can enable loadgen sharing feature. BSpec: 55359 Cc: Imre Deak Signed-off-by: Mika Kahola Signed-off-by: Clinton Taylor Signed-off-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_ddi.c | 8 ++++++++ drivers/gpu/drm/i915/i915_reg.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 1a5213447db1..d58f6d297a2f 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1460,6 +1460,14 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, val = intel_de_read(dev_priv, DKL_TX_DPCNTL2(tc_port)); val &= ~DKL_TX_DP20BITMODE; intel_de_write(dev_priv, DKL_TX_DPCNTL2(tc_port), val); + + if ((intel_crtc_has_dp_encoder(crtc_state) && + crtc_state->port_clock == 162000) || + (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && + crtc_state->port_clock == 594000)) + val |= DKL_TX_LOADGEN_SHARING_PMD_DISABLE; + else + val &= ~DKL_TX_LOADGEN_SHARING_PMD_DISABLE; } } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f25f68f3b2f4..393071cde6d4 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -10887,6 +10887,7 @@ enum skl_power_gate { _DKL_TX_DPCNTL1) #define _DKL_TX_DPCNTL2 0x2C8 +#define DKL_TX_LOADGEN_SHARING_PMD_DISABLE REG_BIT(12) #define DKL_TX_DP20BITMODE (1 << 2) #define DKL_TX_DPCNTL2(tc_port) _MMIO(_PORT(tc_port, \ _DKL_PHY1_BASE, \ -- 2.25.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx