Disable the display hw when suspending. Should fix bug: https://bugzilla.redhat.com/show_bug.cgi?id=522393

Signed-off-by: Alex Deucher alexdeucher@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);