Disable the display hw when suspending.
Should fix bug:
https://bugzilla.redhat.com/show_bug.cgi?id=522393
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
drivers/gpu/drm/radeon/radeon_device.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index db33852..f10faed 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -713,6 +713,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t
state)
{
struct radeon_device *rdev;
struct drm_crtc *crtc;
+ struct drm_connector *connector;
int r;
if (dev == NULL || dev->dev_private == NULL) {
@@ -725,6 +726,12 @@ int radeon_suspend_kms(struct drm_device *dev,
pm_message_t state)
if (rdev->powered_down)
return 0;
+
+ /* turn off display hw */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ }
+
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct radeon_framebuffer *rfb =
to_radeon_framebuffer(crtc->fb);
--
1.7.0.1
