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authorAndrzej Hajda <a.hajda@samsung.com>2014-10-10 14:31:56 +0200
committerInki Dae <daeinki@gmail.com>2014-11-02 17:51:28 +0100
commit74cfe07a838d137ee6f425e00a03642f588fb76b (patch)
treea9ddcf0dda4ad423429277bd5a6c39e697cabf86 /drivers
parentdrm/exynos: enable vblank after DPMS on (diff)
downloadlinux-74cfe07a838d137ee6f425e00a03642f588fb76b.tar.xz
linux-74cfe07a838d137ee6f425e00a03642f588fb76b.zip
drm/exynos: correct connector->dpms field before resuming
During system suspend after connector switch off its dpms field is set to connector previous dpms state. To properly resume dpms field should be set to its actual state (off) before resuming to previous dpms state. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 2353499196b6..c57466edf45b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -194,8 +194,12 @@ static int exynos_drm_resume(struct drm_device *dev)
drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->funcs->dpms)
- connector->funcs->dpms(connector, connector->dpms);
+ if (connector->funcs->dpms) {
+ int dpms = connector->dpms;
+
+ connector->dpms = DRM_MODE_DPMS_OFF;
+ connector->funcs->dpms(connector, dpms);
+ }
}
drm_modeset_unlock_all(dev);