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[64.110.18.141]) by smtp.gmail.com with ESMTPSA id u3sm10795893iol.41.2020.07.21.11.36.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Jul 2020 11:36:57 -0700 (PDT) Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" To: Mika Westerberg , Lyude Paul References: <20200716235440.GA675421@bjorn-Precision-5520> <20200721122247.GI5180@lahna.fi.intel.com> <20200721152737.GS5180@lahna.fi.intel.com> From: Patrick Volkerding Autocrypt: addr=volkerdi@gmail.com; prefer-encrypt=mutual; keydata= mQGiBD5dIFQRBADB31WinbXdaGk/8RNkpnZclu1w3Xmd5ItACDLB2FhOhArw35EAMOYzxI0g RtDNWN4pn9n74q4HbFzyRWElThWRtBTYLEpImzrk7HYVCjMxjw5A0fTr88aiHOth5aS0vPAo q+3TYn6JDSipf2bR03G2JVwgj3Iu066pX4naivNm8wCgldHGF3y9vT3UPYh3QFgEUlCalt0D /3n6NopRYy0hMN6BPu+NarXwv6NQ9g0GV5FNjEErigkrD/htqCyWAUl8zyCKKUFZZx4UGBRZ 5guCdNzwgYH3yn3aVMhJYQ6tcSlLsj3fJIz4LAZ3+rI77rbn7gHHdp7CSAuV+QHv3aNanUD/ KGz5SPSvF4w+5qRM4PfPNT1hLMV8BACzxiyX7vzeE4ZxNYvcuCtv0mvEHl9yD66NFA35RvXa O0QiRVYeoUa5JOQZgwq+fIB0zgsEYDhXFkC1hM/QL4NccMRk8C09nFn4eiz4dAEnwKt4rLCJ KhkLl1DWTSoXHe/dOXaLnFyLzB1J8hEYmUvw3SwPt//wMqDiVBLeZfFcdLQwU2xhY2t3YXJl IExpbnV4IFByb2plY3QgPHNlY3VyaXR5QHNsYWNrd2FyZS5jb20+iF8EExECAB8ECwcDAgMV AgMDFgIBAh4BAheABQJQPlypBQlBo7MrAAoJEGpEY8BAECIzjOwAn3vptb6K1v2wLI9eVlnC dx4m1btpAJ9sFt4KwJrEdiO5wFC4xe9G4eZl4rkBDQQ+XSBVEAQA3VYlpPyRKdOKoM6t1SwN G0YgVFSvxy/eiratBf7misDBsJeH86Pf8H9OfVHOcqscLiC+iqvDgqeTUX9vASjlnvcoS/3H 5TDPlxiifIDggqd2euNtJ8+lyXRBV6yPsBIA6zki9cR4zphe48hKpSsDfj7uL5sfyc2UmKKb oSu3x7cAAwUD/1jmoLQs9bItbTosoy+5+Uzrl0ShRlv+iZV8RPzAMFuRJNxUJkUmmThowtXR aPKFI9AVd+pP44aAJ+zxCPtS2isiW20AxubJoBPpXcVatJWi4sG+TM5Z5VRoLg7tIDNVWsyH GXPAhIG2Y8Z1kyWwb4P8A/W2b1ZCqS7Fx4yEhTikiEwEGBECAAwFAlA+XL8FCUGjs2IACgkQ akRjwEAQIjMsbQCgk59KFTbTlZfJ6FoZjjEmK3/xGR4AniYT+EdSdvEyRtZYkqWzp1ayvO1b Message-ID: Date: Tue, 21 Jul 2020 13:37:12 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200721152737.GS5180@lahna.fi.intel.com> Content-Language: en-US X-Mailman-Approved-At: Wed, 22 Jul 2020 07:02:50 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Karol Herbst , Linux PCI , LKML , dri-devel , Kai-Heng Feng , Bjorn Helgaas , Ben Skeggs , nouveau , Bjorn Helgaas Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 7/21/20 10:27 AM, Mika Westerberg wrote: > On Tue, Jul 21, 2020 at 11:01:55AM -0400, Lyude Paul wrote: >> Sure thing. Also, feel free to let me know if you'd like access to one of the >> systems we saw breaking with this patch - I'm fairly sure I've got one of them >> locally at my apartment and don't mind setting up AMT/KVM/SSH > Probably no need for remote access (thanks for the offer, though). I > attached a test patch to the bug report: > > https://bugzilla.kernel.org/show_bug.cgi?id=208597 > > that tries to work it around (based on the ->pm_cap == 0). I wonder if > anyone would have time to try it out. Hi Mika, I can confirm that this patch applied to 5.4.52 fixes the issue with hybrid graphics on the Thinkpad X1 Extreme gen2. Thanks, Pat _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel