From patchwork Wed Oct 9 08:08:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1173682 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46p6LW0SFjz9sDQ; Wed, 9 Oct 2019 19:09:07 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1iI71r-0003JT-79; Wed, 09 Oct 2019 08:09:03 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1iI71q-0003Iv-89 for kernel-team@lists.ubuntu.com; Wed, 09 Oct 2019 08:09:02 +0000 Received: from [123.114.32.250] (helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1iI71p-0006vo-Cl for kernel-team@lists.ubuntu.com; Wed, 09 Oct 2019 08:09:02 +0000 From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][E/unstable][PATCH v2 2/2] UBUNTU: SAUCE: drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms Date: Wed, 9 Oct 2019 16:08:38 +0800 Message-Id: <20191009080838.5246-5-hui.wang@canonical.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191009080838.5246-1-hui.wang@canonical.com> References: <20191009080838.5246-1-hui.wang@canonical.com> X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Kai Vehmanen BugLink: https://bugs.launchpad.net/bugs/1847192 The CDCLK>=2*BCLK constraint applies to all generations since gen10. Extend the constraint logic in audio get/put_power(). Signed-off-by: Kai Vehmanen Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20191003085531.30990-2-kai.vehmanen@linux.intel.com (backported from commit f6ec9483091f8e67adab0311a4e2f90aab523310 git://anongit.freedesktop.org/drm-intel) Signed-off-by: Hui Wang --- drivers/gpu/drm/i915/display/intel_audio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index c84ee1a75d22..70473307c7ec 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -797,7 +797,7 @@ static unsigned long i915_audio_component_get_power(struct device *kdev) /* Force CDCLK to 2*BCLK as long as we need audio to be powered. */ if (dev_priv->audio_power_refcount++ == 0) { - if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) glk_force_audio_cdclk(dev_priv, true); if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) @@ -816,7 +816,7 @@ static void i915_audio_component_put_power(struct device *kdev, /* Stop forcing CDCLK to 2*BCLK if no need for audio to be powered. */ if (--dev_priv->audio_power_refcount == 0) - if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) + if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) glk_force_audio_cdclk(dev_priv, false); intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO, cookie);