From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELt5rXmOzKh1YcNXG5km0aJ9DbrB6PZyiGIYueM/mh/CsOSdFHskoWnMqwKmSI9RXwJD3O3Z ARC-Seal: i=1; a=rsa-sha256; t=1520955521; cv=none; d=google.com; s=arc-20160816; b=paqw6rh6GM3TaBbIRJRYKUYOpEffHyrT3jJYuHG1noilk/OEt1PTSaOA0+aaLhcYoC H6s//3BoBztzItD6227+lb83tgGVzlGyIZYcdNPPvhs9fUYicFrUc4Cx2TdpCojaT6KU mJ/6Ev+kMalXF4i9DR7Qe6ivCajFEFfL3/ER18EZ1fRUn5k/xDrM0pATOTQVoSE+yd8O qR1038XLm5hjPw/wsgmsi+v9n6Q5USNtgvFijFXK6lKE3ff/Vj7BaatKetXuhKAROHEQ 7uVq8uK5OLRhXFaC6cpWCKtBwIjqI9dDOCVGHzF8MDv6mcbp3vQiXi9EeNan3J4JZH/+ sIOA== 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=dKqaGho5QKyKOMKZxo19NL170uYea5LCvxNn+Gsl4h8=; b=AGIbySEluFObTHVjZqdKzQenTIw6xLW3Wm8Cyw3Bi4Y5uq5XZTlI8uVl37LqXM2DVr Cp16J42MDVeGvGG8j7P7/duwfA7lghlqrutyHq0Un2ms3VvObv5rkdmNoIrG36xiX7wG 2dpUxL4iPlyUGNWGbM2tsRlviaza4+jLgspQZiqYqJ4B8oNC9Gf8Eijib9DxQYTDhtt/ 1zxGTj0vee1XTOFUFR0TqtVPnttrQDLLE6AUbnKp8msPFqJhGz+bjN6Dmls4tN+OBitV 3LEajFvZqHf8oQd50oe7JLuZqtdpjZ00bjXqGwK0+klQRFpH2YRLab8JAJOFefygNkzP Z2gQ== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 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 90.92.71.90 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, Alex Deucher , Rex Zhu Subject: [PATCH 4.14 073/140] drm/amdgpu: Notify sbios device ready before send request Date: Tue, 13 Mar 2018 16:24:36 +0100 Message-Id: <20180313152503.081983970@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180313152458.201155692@linuxfoundation.org> References: <20180313152458.201155692@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?1594836847207625734?= X-GMAIL-MSGID: =?utf-8?q?1594837456426051919?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rex Zhu commit 1bced75f4ab04bec55aecb57d99435dc6d0ae5a0 upstream. it is required if a platform supports PCIe root complex core voltage reduction. After receiving this notification, SBIOS can apply default PCIe root complex power policy. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -540,6 +540,9 @@ int amdgpu_acpi_pcie_performance_request size_t size; u32 retry = 3; + if (amdgpu_acpi_pcie_notify_device_ready(adev)) + return -EINVAL; + /* Get the device handle */ handle = ACPI_HANDLE(&adev->pdev->dev); if (!handle)