4.2.8-ckt3 -stable review patch. If anyone has any objections, please let me
know.
---8<------------------------------------------------------------
From: Alex Deucher <alexander.deuc...@amd.com>
commit dbb17a21c131eca94eb31136eee9a7fe5aff00d9 upstream.
Need to call this on resume if displays changes during
suspend in order to properly be notified of changes.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
drivers/gpu/drm/radeon/radeon_device.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index d8319da..fa98309 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1740,6 +1740,7 @@ int radeon_resume_kms(struct drm_device *dev, bool
resume, bool fbcon)
}
drm_kms_helper_poll_enable(dev);
+ drm_helper_hpd_irq_event(dev);
/* set the power state here in case we are a PX system or headless */
if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
--
1.9.1
