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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 B237DC5ED5B for ; Thu, 27 Feb 2020 14:21:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83CB32468F for ; Thu, 27 Feb 2020 14:21:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582813267; bh=yRLEektdeDkCtrr1P2ul+A4zBxpX5zc0GQg0vycFNg8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pDyD5AC1ICqEJUa8r7/zb3sET7hNWUD+eR98XQ45y8RTgwfcKYo12eqJl05RROqGe LV4PyDJF51LZyg4+6/N3lqrckobpCYWEeM4j+3WTV9F0sZJYGh5PdRD9kQUSpBPas9 tLWkaGu8V62QhnV/hxuFUT/XG5p38OjENoMqoNZ8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389712AbgB0OR2 (ORCPT ); Thu, 27 Feb 2020 09:17:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:57860 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389705AbgB0OR1 (ORCPT ); Thu, 27 Feb 2020 09:17:27 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C2FB02469D; Thu, 27 Feb 2020 14:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582813047; bh=yRLEektdeDkCtrr1P2ul+A4zBxpX5zc0GQg0vycFNg8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=INjAmd+y6ZINIoGqUb3HO0nCPsb2sJdcoLiQHa11zPHxup0RX/BKObaSysoE2wura sHCOTh9YXHwHJXkc8sID96fKRaVQfNTONSLjEPGi7I3FoXSWGi5kFiKQn4PaClay6F 9m6osBJllLWrqxBHjvVnAX/5MN439LC9Dmv//fEI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= , Matt Roper , Jani Nikula Subject: [PATCH 5.5 117/150] drm/i915/ehl: Update port clock voltage level requirements Date: Thu, 27 Feb 2020 14:37:34 +0100 Message-Id: <20200227132249.936963458@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200227132232.815448360@linuxfoundation.org> References: <20200227132232.815448360@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Matt Roper commit 58e9121c32a245fab47f29ab4ad29dd62470a7e8 upstream. Voltage level depends not only on the cdclk, but also on the DDI clock. Last time the bspec voltage level table for EHL was updated, we only updated the cdclk requirements, but forgot to account for the new port clock criteria. Bspec: 21809 Fixes: d147483884ed ("drm/i915/ehl: Update voltage level checks") Cc: José Roberto de Souza Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20200207001417.1229251-1-matthew.d.roper@intel.com Reviewed-by: José Roberto de Souza (cherry picked from commit 9d5fd37ed7e26efdbe90f492d7eb8b53dcdb61d6) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/display/intel_ddi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4227,7 +4227,9 @@ static bool intel_ddi_is_audio_enabled(s void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, struct intel_crtc_state *crtc_state) { - if (INTEL_GEN(dev_priv) >= 11 && crtc_state->port_clock > 594000) + if (IS_ELKHARTLAKE(dev_priv) && crtc_state->port_clock > 594000) + crtc_state->min_voltage_level = 3; + else if (INTEL_GEN(dev_priv) >= 11 && crtc_state->port_clock > 594000) crtc_state->min_voltage_level = 1; else if (IS_CANNONLAKE(dev_priv) && crtc_state->port_clock > 594000) crtc_state->min_voltage_level = 2;