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| author | Seth Forshee <seth.forshee@canonical.com> | 2012-01-31 19:06:25 -0600 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-02-01 15:41:39 +0000 |
| commit | 86698c20f71d488b32c49ed4687fb3cf8a88a5ca (patch) | |
| tree | 1d96e13c7397afaf7fd783494ff624428bcf9a81 /drivers | |
| parent | ebd80b941c72f9da9ffd54de70cc094b0511f26f (diff) | |
| download | linux-86698c20f71d488b32c49ed4687fb3cf8a88a5ca.tar.gz linux-86698c20f71d488b32c49ed4687fb3cf8a88a5ca.tar.bz2 linux-86698c20f71d488b32c49ed4687fb3cf8a88a5ca.zip | |
drm/radeon/kms: disable output polling when suspended
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>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -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 cec51a5b69dd..49f7cb7e226b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -883,6 +883,8 @@ 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); @@ -972,6 +974,8 @@ 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; } |