[PATCH] drm/radeon/kms: make sure GPU is idle and working at end of resume

[Jerome Glisse]

This might hide some GPU lockup issue deadlock on resume.

Signed-off-by: Jerome Glisse <jglisse at redhat.com>
---
 drivers/gpu/drm/radeon/radeon_device.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_device.c 
b/drivers/gpu/drm/radeon/radeon_device.c
index c33bc91..1158e55 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -947,6 +947,7 @@ 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);
        }
+       radeon_fence_wait_last(rdev);
        return 0;
 }

-- 
1.7.6.4


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