diff options
| author | Seth Forshee <seth.forshee@canonical.com> | 2012-01-31 19:06:25 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-13 11:16:55 -0800 |
| commit | d11fa680b5daad1ffb72807cfd0ad30237505fff (patch) | |
| tree | 2d11f6d2492659c469d121770a279cde120d223a /drivers/gpu/drm | |
| parent | 3d15bd1a90e3d768136562ad63e0d25c953d0c85 (diff) | |
drm/radeon/kms: disable output polling when suspended
commit 86698c20f71d488b32c49ed4687fb3cf8a88a5ca upstream.
Polling the outputs when the device is suspended can result in erroneous
status updates. Disable output polling during suspend to prevent this
from happening.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 9b39145d4e0e..9231564cc5e5 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -864,6 +864,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; + drm_kms_helper_poll_disable(dev); + /* turn off display hw */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); @@ -950,6 +952,8 @@ int radeon_resume_kms(struct drm_device *dev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } + + drm_kms_helper_poll_enable(dev); return 0; } |