lkml.org 
[lkml]   [2014]   [Oct]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH RFC 4/4] drm/exynos: correct connector->dpms field before resuming
Date
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>
---
drivers/gpu/drm/exynos/exynos_drm_drv.c | 8 ++++++--
1 file 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 dca20b15..6746c5a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -191,8 +191,12 @@ 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 old_dpms = connector->dpms;
+
+ connector->dpms = DRM_MODE_DPMS_OFF;
+ connector->funcs->dpms(connector, old_dpms);
+ }
}
drm_modeset_unlock_all(dev);

--
1.9.1


\
 
 \ /
  Last update: 2014-10-03 11:01    [W:0.082 / U:0.816 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site