From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELtmVbShxmm5E3A3yTFSqL5CGavwQwXcuDZmg+wwyPabw6k4Ey4yM18svJSa0b5JbN+oyXtV ARC-Seal: i=1; a=rsa-sha256; t=1521214208; cv=none; d=google.com; s=arc-20160816; b=xXA/vFtZXwBmrC3jJN3dOtMdXQuVruX/raH5s3IXDFIIli8M7T0FbYPd6CZLIVoi4L NAWOrKskJcEZ/bTVvB+v39knWfKl5DVVVEk6STzGvYrh8imzixS/W/evK8v+BI0X6xBZ PV153goiTv0glOmqqavs4N7pCDNb6i0f+SUe4V/lLmqBbKUjWuK7jeTEEFpqjmxo4YfM q4XPLAvvKyDpaNqDaiYqGSkHPcaGq7vn/nuP//f4POYMmEeSpfCIGAEwj2MAPusAsEhp iML1SXaUFsPpRg3ZFKuesnOIwbFna0P7zaoeiyIGoKDyw1bg9IPrY31OdnVGhwfDqNkH BM4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=3wD2VK13w1Dk3FGCgfryJDRKho80YmZho7M04m3OJNA=; b=qTlDG9tCsCVF37XBQt+9s58Nl3wf/Nm10BT6mSJKtfVdJVTXY6NTdvo+4LxIPlNbqf kPtQF/aqYGBV5xIXxu4tfWtA3g3sh8bgJKZN2IDFnqsQA1yJ7ZfBceVfGukBSTOJ06j0 VYgz/4HbQ32hdAlujkt+DpMGx/xPeQDFeGyxq2NrMtKRRUQB9JENgAqlPCbYFIDhJb6s YMWmisAKi/sxcxB9VRQedpZc0COvwkcQxcZMvU7CuqdhgF5cF60n7NZNydse/bj2HpmL 5uqOHRVMpP7FNBFD26ckYtkR0fEXxKkh0Eh2VYNbdtwp/CK5Bhf7RsqZWfaUj/d1HL1+ Rxgw== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Maarten Lankhorst , Nivedita Swaminathan , Imre Deak , Patrik Jakobsson , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi Subject: [PATCH 4.9 06/86] drm/i915: Always call to intel_display_set_init_power() in resume_early. Date: Fri, 16 Mar 2018 16:22:29 +0100 Message-Id: <20180316152317.652617970@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180316152317.167709497@linuxfoundation.org> References: <20180316152317.167709497@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1595108709721850142?= X-GMAIL-MSGID: =?utf-8?q?1595108709721850142?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Maarten Lankhorst commit d13a8479f3584613b6aacbb793eae64578b8f69a upstream. intel_power_domains_init_hw() calls set_init_power, but when using runtime power management this call is skipped. This prevents hw readout from taking place. Signed-off-by: Maarten Lankhorst Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104172 Link: https://patchwork.freedesktop.org/patch/msgid/20180116155324.75120-1-maarten.lankhorst@linux.intel.com Fixes: bc87229f323e ("drm/i915/skl: enable PC9/10 power states during suspend-to-idle") Cc: Nivedita Swaminathan Cc: Imre Deak Cc: Patrik Jakobsson Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: # v4.5+ Reviewed-by: Imre Deak (cherry picked from commit ac25dfed15d470d7f23dd817e965b54aa3f94a1e) Signed-off-by: Rodrigo Vivi Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/i915_drv.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1703,6 +1703,8 @@ static int i915_drm_resume_early(struct if (IS_BROXTON(dev_priv) || !(dev_priv->suspended_to_idle && dev_priv->csr.dmc_payload)) intel_power_domains_init_hw(dev_priv, true); + else + intel_display_set_init_power(dev_priv, true); enable_rpm_wakeref_asserts(dev_priv);