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;
MIME-Version: 1.0
References: <CAOuPNLiBA9VjEoG_D2y2O5mKiqsDNW1VZXOk1eWXpGY+h86acg@mail.gmail.com>
 <CAOMZO5BcLaS0gXUPi6oN6vjqagS5yf+rHh+EUjmi-Wi1OX7vqQ@mail.gmail.com>
 <CAOuPNLgEEfDca4aeT1+q8GfUfGzbJ4x6JwGf-ROB1pgpXUBHSw@mail.gmail.com>
 <CAOMZO5BY8JcLNMCRCC_d=emy8HR6kE=dB9f5qfZ=ci_c+Jak0w@mail.gmail.com>
 <CAOuPNLjYhkP_kL+q-ZpiDZMMpOHrU88BFBc2agtnCzXt8dihOg@mail.gmail.com>
 <CAOMZO5ADK1L5UMM9XZetHvmjTvmvUg99G7VPdeXitgpctGLCkw@mail.gmail.com>
 <CAOuPNLhZhgN26rquLQq9zHBct1QxK-7hXAza0xk-0QooPGYLNw@mail.gmail.com>
 <CAOMZO5BsJWTw0nCeUboam4kuKyCO3N_Ch5ZW8k5Y9KFtQBanhQ@mail.gmail.com>
 <CAOuPNLjrAU_C_TUKFMs1d0eGsw=AxuG6d6FhNHtHFwVhfYZGgA@mail.gmail.com>
 <CAOuPNLhstoCjxijrnKNmV1iKWjAXvSZ38Z13tfd5bvGbYSqPAA@mail.gmail.com> <CAOMZO5CD-QQaZwNfiX6mOLAup4J8dBiqEb_V_6jz_z5jXZ5cEw@mail.gmail.com>
In-Reply-To: <CAOMZO5CD-QQaZwNfiX6mOLAup4J8dBiqEb_V_6jz_z5jXZ5cEw@mail.gmail.com>
From:   Pintu Agarwal <pintu.ping@gmail.com>
Date:   Sat, 22 Jun 2019 13:43:01 +0530
Message-ID: <CAOuPNLj=L_3RoC=9ws4yn1Q7QLoS3OEZ8FLRrF04HRQtQvc0Jg@mail.gmail.com>
Subject: Re: [IMX] [DRM]: suspend/resume support
To:     Fabio Estevam <festevam@gmail.com>
Cc:     open list <linux-kernel@vger.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        Kernelnewbies <kernelnewbies@kernelnewbies.org>,
        linux-pm@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, Jun 21, 2019 at 9:09 PM Fabio Estevam <festevam@gmail.com> wrote:
>
> On Fri, Jun 21, 2019 at 12:13 PM Pintu Agarwal <pintu.ping@gmail.com> 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
> > [<c05282d8>] (__schedule) from [<00080193>] (0x80193)
> >
> > Do you have any clue about these errors ?
>
> Which kernel version is this?

Please let me know in which version this issue is fixed.
I will try that.
I think I saw some commit that mentions about it, but I forgot.
Anyways, I am checking again.
Thanks!