Hi, On Thu, Jun 24, 2021 at 03:51:05PM +0300, Laurent Pinchart wrote: > CC'ing Maxime Ripard. > > Maxime, is this similar to the issue we've recently discussed with the > VC4 DSI encoder ? > > On Thu, Jun 24, 2021 at 10:39:48PM +1000, Jonathan Liu wrote: > > On Thu, 24 Jun 2021 at 22:34, Jagan Teki wrote: > > > On Fri, Jun 18, 2021 at 6:40 PM Jonathan Liu wrote: > > > > On Wed, 3 Feb 2021 at 09:13, Jagan Teki wrote: > > > > > @@ -1167,6 +1151,20 @@ __dw_mipi_dsi_probe(struct platform_device *pdev, > > > > > dw_mipi_dsi_debugfs_init(dsi); > > > > > pm_runtime_enable(dev); > > > > > > > > > > + ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, > > > > > + &panel, &bridge); > > > > > + if (ret) > > > > > + return ERR_PTR(ret); > > > > > > > > On RK3399 if the error is EPROBE_DEFER, __dw_mipi_dsi_probe can be > > > > called again and result in the following errors: > > > > [ 0.717589] debugfs: Directory 'ff960000.mipi' with parent '/' already present! > > > > [ 0.717601] dw-mipi-dsi-rockchip ff960000.mipi: failed to create debugfs root > > > > [ 0.717606] dw-mipi-dsi-rockchip ff960000.mipi: Unbalanced pm_runtime_enable! > > > > > > Is this when you test bridge on rk3399 or panel? > > > > MIPI-DSI to LVDS bridge. It looks more like a driver that doesn't free its resources properly on EPROBE_DEFER? Maxime
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