From: Rahul Sharma Rahul.Sharma@samsung.com
While testing S2R on exynos board, system is hanging and rebooting due to nested mutex_lock calls in exynos drm resume callback. Changing the order of the calls is fixing the issue.
Change-Id: I3f3ada8a413a414dca0bbac53cfc5fe3138af4d6 Signed-off-by: Rahul Sharma Rahul.Sharma@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index bb7dfee..2bb6233 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -184,8 +184,8 @@ static int exynos_drm_resume(struct drm_device *dev) connector->funcs->dpms(connector, connector->dpms); }
- drm_helper_resume_force_mode(dev); drm_modeset_unlock_all(dev); + drm_helper_resume_force_mode(dev);
return 0; }