linux-kernel - Re: [DPU PATCH ] drm/msm/dpu: Fix clock issue after bind failure

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Message-ID: <20181206161109.GZ154160@art_vandelay>
Date:   Thu, 6 Dec 2018 11:11:09 -0500
From:   Sean Paul <sean@...rly.run>
To:     Jayant Shekhar <jshekhar@...eaurora.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, robdclark@...il.com,
        seanpaul@...omium.org, hoegsberg@...omium.org,
        abhinavk@...eaurora.org, jsanka@...eaurora.org,
        chandanu@...eaurora.org, nganji@...eaurora.org
Subject: Re: [DPU PATCH ] drm/msm/dpu:
 Fix clock issue after bind failure

On Wed, Dec 05, 2018 at 09:51:47PM +0530, Jayant Shekhar wrote:
> In case of msm drm bind failure, pm runtime put sync
> is called from dsi driver which issues an asynchronous
> put on mdss device. Subsequently when dpu_mdss_destroy
> is triggered the change will make sure to put the mdss
> device in suspend and clearing pending work if not
> scheduled.
> 
> Signed-off-by: Jayant Shekhar <jshekhar@...eaurora.org>

Thanks for sending this, pushed to dpu-staging/for-next

Sean

> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> index 2d66025..030229a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
> @@ -191,6 +191,7 @@ static void dpu_mdss_destroy(struct drm_device *dev)
>  	struct dss_module_power *mp = &dpu_mdss->mp;
>  	int i;
>  
> +	pm_runtime_suspend(dev->dev);
>  	pm_runtime_disable(dev->dev);
>  	_dpu_mdss_irq_domain_fini(dpu_mdss);
>  	free_irq(platform_get_irq(pdev, 0), dpu_mdss);
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS