| Message ID | 20171017101624.12506-4-jeffy.chen@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Oct 17, 2017 at 06:16:19PM +0800, Jeffy Chen wrote: > Add missing pm_runtime_disable() in bind()'s error handling path. > > Also cleanup encoder & connector in unbind(). > > Fixes: 80a9a059d4e4 ("drm/rockchip/dsi: add dw-mipi power domain support") > Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> > --- > > Changes in v4: None > Changes in v3: None > Changes in v2: None > > drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 17 +++++++++++------ > 1 file changed, 11 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > index b15755b6129c..a17ff0f6f489 100644 > --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > @@ -1282,7 +1282,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > ret = dw_mipi_dsi_register(drm, dsi); > if (ret) { > DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret); > - goto err_pllref; > + goto err_disable_pllref; > } > > pm_runtime_enable(dev); > @@ -1292,23 +1292,24 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > ret = mipi_dsi_host_register(&dsi->dsi_host); > if (ret) { > DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret); > - goto err_cleanup; > + goto err_disable_pm_runtime; > } > > if (!dsi->panel) { > ret = -EPROBE_DEFER; > - goto err_mipi_dsi_host; > + goto err_unreg_mipi_dsi_host; > } > > dev_set_drvdata(dev, dsi); > return 0; > > -err_mipi_dsi_host: > +err_unreg_mipi_dsi_host: > mipi_dsi_host_unregister(&dsi->dsi_host); > -err_cleanup: > +err_disable_pm_runtime: > + pm_runtime_disable(dev); > drm_encoder_cleanup(&dsi->encoder); > drm_connector_cleanup(&dsi->connector); Should you update these to call the destroy hook like in unbind()? Sean > -err_pllref: > +err_disable_pllref: > clk_disable_unprepare(dsi->pllref_clk); > return ret; > } > @@ -1320,6 +1321,10 @@ static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, > > mipi_dsi_host_unregister(&dsi->dsi_host); > pm_runtime_disable(dev); > + > + dsi->connector.funcs->destroy(&dsi->connector); > + dsi->encoder.funcs->destroy(&dsi->encoder); > + > clk_disable_unprepare(dsi->pllref_clk); > } > > -- > 2.11.0 > >
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index b15755b6129c..a17ff0f6f489 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -1282,7 +1282,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, ret = dw_mipi_dsi_register(drm, dsi); if (ret) { DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret); - goto err_pllref; + goto err_disable_pllref; } pm_runtime_enable(dev); @@ -1292,23 +1292,24 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, ret = mipi_dsi_host_register(&dsi->dsi_host); if (ret) { DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret); - goto err_cleanup; + goto err_disable_pm_runtime; } if (!dsi->panel) { ret = -EPROBE_DEFER; - goto err_mipi_dsi_host; + goto err_unreg_mipi_dsi_host; } dev_set_drvdata(dev, dsi); return 0; -err_mipi_dsi_host: +err_unreg_mipi_dsi_host: mipi_dsi_host_unregister(&dsi->dsi_host); -err_cleanup: +err_disable_pm_runtime: + pm_runtime_disable(dev); drm_encoder_cleanup(&dsi->encoder); drm_connector_cleanup(&dsi->connector); -err_pllref: +err_disable_pllref: clk_disable_unprepare(dsi->pllref_clk); return ret; } @@ -1320,6 +1321,10 @@ static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, mipi_dsi_host_unregister(&dsi->dsi_host); pm_runtime_disable(dev); + + dsi->connector.funcs->destroy(&dsi->connector); + dsi->encoder.funcs->destroy(&dsi->encoder); + clk_disable_unprepare(dsi->pllref_clk); }
Add missing pm_runtime_disable() in bind()'s error handling path. Also cleanup encoder & connector in unbind(). Fixes: 80a9a059d4e4 ("drm/rockchip/dsi: add dw-mipi power domain support") Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-)