From patchwork Tue Oct 1 16:35:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai Vehmanen X-Patchwork-Id: 11169261 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A0C113B1 for ; Tue, 1 Oct 2019 16:36:05 +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 7F1C42168B for ; Tue, 1 Oct 2019 16:36:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F1C42168B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 AF62F6E846; Tue, 1 Oct 2019 16:36:04 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 92FD76E846 for ; Tue, 1 Oct 2019 16:36:03 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Oct 2019 09:36:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,571,1559545200"; d="scan'208";a="216127588" Received: from zeliteleevi.tm.intel.com ([10.237.55.130]) by fmsmga004.fm.intel.com with ESMTP; 01 Oct 2019 09:36:02 -0700 From: Kai Vehmanen To: intel-gfx@lists.freedesktop.org Date: Tue, 1 Oct 2019 19:35:54 +0300 Message-Id: <20191001163555.24356-1-kai.vehmanen@linux.intel.com> X-Mailer: git-send-email 2.17.1 Subject: [Intel-gfx] [PATCH 1/2] drm/i915: Fix audio power up sequence for gen10/11 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula , tiwai@suse.de MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On gen10/11 platforms, driver must set the enable bit of AUD_PIN_BUF_CTL as part of audio power up sequence. Failing to do this resulted in errors during display audio codec probe, and failures during resume from suspend. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111214 Signed-off-by: Kai Vehmanen --- drivers/gpu/drm/i915/display/intel_audio.c | 5 +++++ drivers/gpu/drm/i915/i915_reg.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 54638d99e021..a731af7ada08 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -862,6 +862,11 @@ static unsigned long i915_audio_component_get_power(struct device *kdev) /* Force CDCLK to 2*BCLK as long as we need audio powered. */ if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) glk_force_audio_cdclk(dev_priv, true); + + if (INTEL_GEN(dev_priv) == 11 || INTEL_GEN(dev_priv) == 10) + I915_WRITE(AUD_PIN_BUF_CTL, + (I915_READ(AUD_PIN_BUF_CTL) | + AUD_PIN_BUF_ENABLE)); } return ret; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 058aa5ca8b73..daff9058f0e8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9133,6 +9133,8 @@ enum { #define SKL_AUD_CODEC_WAKE_SIGNAL (1 << 15) #define AUD_FREQ_CNTRL _MMIO(0x65900) +#define AUD_PIN_BUF_CTL _MMIO(0x48414) +#define AUD_PIN_BUF_ENABLE BIT(31) /* * HSW - ICL power wells