Re: [Patch v3 ] drm/msm/dpu: Correct dpu destroy and disable order

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On 2018-11-18 22:25, 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.

Changes in v2:
   - Removed double spacings [Jeykumar]

Changes in v3:
   - Fix clock on issue during bootup [Rajendra]

Signed-off-by: Jayant Shekhar <jshekhar@xxxxxxxxxxxxxx>
---

Acked-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>

 drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
index fd9c893..df8127b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
@@ -156,18 +156,16 @@ static void dpu_mdss_destroy(struct drm_device *dev)
 	struct dpu_mdss *dpu_mdss = to_dpu_mdss(priv->mdss);
 	struct dss_module_power *mp = &dpu_mdss->mp;

+	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);
-
 	msm_dss_put_clk(mp->clk_config, mp->num_clk);
 	devm_kfree(&pdev->dev, mp->clk_config);

 	if (dpu_mdss->mmio)
 		devm_iounmap(&pdev->dev, dpu_mdss->mmio);
 	dpu_mdss->mmio = NULL;
-
-	pm_runtime_disable(dev->dev);
 	priv->mdss = NULL;
 }

--
Jeykumar S



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