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[209.132.180.67]) by mx.google.com with ESMTP id j62si3038228pfb.272.2019.06.21.08.41.29; Fri, 21 Jun 2019 08:41:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=QNGeB8au; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726671AbfFUPjw (ORCPT + 99 others); Fri, 21 Jun 2019 11:39:52 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:46340 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726062AbfFUPjw (ORCPT ); Fri, 21 Jun 2019 11:39:52 -0400 Received: by mail-lj1-f194.google.com with SMTP id v24so6323144ljg.13; Fri, 21 Jun 2019 08:39:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=FTokQgNx7cdPK/mv6WeJrmrK4oV61TYi+9Ysp/6TCqk=; b=QNGeB8au8O4X7zRxBILcHMpiRAvThsjSSlCDFzpzLn1gzxbzWjjsQK7XJrjtVI6A6W Tgz6QjqHyp67mHUQp8WsiowO6LVI6QEqYSp5HfPqDcCyCK45NZbldsRXJPaHCNmaNFCj WHUnRrkKUOgK9VcmNDl7giRvj7NBo0rW7wuad8P2OEHM+ZAWBhn3KeYsiWdxEeFhmVCY 2IS5cVLmlChE4PS34FeFGM7AgNylk72tiCxwLE42XYJn26OcPxKxJQuzKqFPcdXLAM3b Uy40pnT3QPNcmLMREtzCaO9/zItQM86ctpG3iCR9c0KQjVQVqzVwtvBGsU3EoZkkbm5p Fi0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=FTokQgNx7cdPK/mv6WeJrmrK4oV61TYi+9Ysp/6TCqk=; b=RuF5znzzjwSR1j7mL7C2n5Yjpc//73iRh/L/J10lMt/8aWTVbTIv4T1B3RXpHpw4lC 7/5Ez0R0/u1DODy9hKcE4SGVcFoQmHXGehm0syECefXW026Dmv9nPOtxKU+Zzghs8Jq6 W2ioMxq4GuE1ryGiaZUgirREciT8YmBY8IZc0aMfJKc+Fwroo+qJPF9bAPwX3JKgA1nt z8iOjMTYMv18jXKqeprRZ/LcxmdAUOFJMhmPP7WgtIuoPQXSDlNE8fjEj1JjaxcO9XxV 5SrHU+RcfCZ9hxErdDLW2jwQQpK4JZ8+OfKsWU4XSk50bwsEt4mmOyKjQQhQcdo6JULr n/BQ== X-Gm-Message-State: APjAAAVfxL8NHNZsN/7u7K5r8//CjEmSy0XTdOdWcHVyCv6husp9WDnX ARMO5MC938XzX+vj6uG6DOozVf5S2A216ZCIEz0= X-Received: by 2002:a2e:a311:: with SMTP id l17mr52525936lje.214.1561131589876; Fri, 21 Jun 2019 08:39:49 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Fabio Estevam Date: Fri, 21 Jun 2019 12:40:07 -0300 Message-ID: Subject: Re: [IMX] [DRM]: suspend/resume support To: Pintu Agarwal Cc: open list , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Kernelnewbies , linux-pm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 21, 2019 at 12:13 PM Pintu Agarwal wrote: > Okay there is some update on the 2nd part. > Now I am able to successfully install all imx modules after the resume > (no hang). > But, I got some errors after install finish: > [drm] disabling vblank on crtc 1 > [IMX]: imx_drm_disable_vblank - called > [drm:drm_atomic_helper_commit_cleanup_done] *ERROR* [CRTC:24:crtc-0] > flip_done timed out > > Also I am able to start the weston successfully. > But I see LCD/HDMI display is not working (only some backlight is visible). > > And, I noticed, weston also reports the following errors: > imx-ipuv3 2400000.ipu: DC stop timeout after 50 ms > [IMX]: drm_crtc_vblank_off - called > [IMX]: imx_drm_disable_vblank - called > INFO: rcu_preempt detected stalls on CPUs/tasks: { 1} (detected by 0, > t=6002 jiffies, g=289, c=288, q=8) > Task dump for CPU 1: > weston R running 0 306 1 0x00000000 > [] (__schedule) from [<00080193>] (0x80193) > > Do you have any clue about these errors ? Which kernel version is this?