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[PATCH 3.2 09/87] drm/radeon: call hpd_irq_event on resume

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  [PATCH 3.2 09/87] drm/radeon: call hpd_irq_event on resume Ben Hutchings <ben@decadent.org.uk> - 2016-02-09 01:00 +0100

#1329712 — [PATCH 3.2 09/87] drm/radeon: call hpd_irq_event on resume

3.2.77-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@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.deucher@amd.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/gpu/drm/radeon/radeon_device.c | 1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -960,6 +960,7 @@ int radeon_resume_kms(struct drm_device
 	}
 
 	drm_kms_helper_poll_enable(dev);
+	drm_helper_hpd_irq_event(dev);
 	return 0;
 }
 

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