pm_runtime_get_sync() will increase the rumtime PM counter even it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error. Signed-off-by: Yongzhi Liu <lyz_cs@xxxxxxxxxx> --- drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 4ed7a68..9cf53f0 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -1188,7 +1188,7 @@ static int dw_mipi_dsi_dphy_power_on(struct phy *phy) return i; } - ret = pm_runtime_get_sync(dsi->dev); + ret = pm_runtime_resume_and_get(dsi->dev); if (ret < 0) { DRM_DEV_ERROR(dsi->dev, "failed to enable device: %d\n", ret); return ret; -- 2.7.4