From: Fabio Estevam <fabio.estevam@xxxxxxx>
In fsl_dcu_drm_pm_resume() we should disable the previously enabled
clock (fsl_dev->clk) when enabling fsl_dev->pix_clk fails.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 7882387..76ae558 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -270,7 +270,7 @@ static int fsl_dcu_drm_pm_resume(struct device *dev)
ret = clk_prepare_enable(fsl_dev->pix_clk);
if (ret < 0) {
dev_err(dev, "failed to enable pix clk\n");
- return ret;
+ goto disable_dcu_clk;
}
fsl_dcu_drm_init_planes(fsl_dev->drm);
@@ -284,6 +284,10 @@ static int fsl_dcu_drm_pm_resume(struct device *dev)
enable_irq(fsl_dev->irq);
return 0;
+
+disable_dcu_clk:
+ clk_disable_unprepare(fsl_dev->clk);
+ return ret;
}
#endif
--
1.9.1
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