3.11.10.1 -stable review patch.  If anyone has any objections, please let me 
know.

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

From: Alex Deucher <[email protected]>

commit b852c985010a77c850b7548d64bbb964ca462b02 upstream.

HW ACR support may have issues on some older chips, so
use SW ACR for now until we've tested further.

Signed-off-by: Alex Deucher <[email protected]>
CC: Rafał Miłecki <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 drivers/gpu/drm/radeon/r600_hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c 
b/drivers/gpu/drm/radeon/r600_hdmi.c
index ffd02da..4140fe8 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -345,6 +345,7 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct 
drm_display_mode *mod
        }
 
        WREG32(HDMI0_ACR_PACKET_CONTROL + offset,
+              HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw 
CTS works on all families */
               HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when 
required */
 
        WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
-- 
1.8.3.2

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