[3.13.y-ckt stable] Patch "drm/radeon: fix voltage setup on hawaii" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Tue Mar 31 18:46:27 UTC 2015

This is a note to let you know that I have just added a patch titled

    drm/radeon: fix voltage setup on hawaii

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:


This patch is scheduled to be released in version 3.13.11-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see



>From 4ae818b7decd366f34692fbe0d3bde20dbc3af5d Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher at amd.com>
Date: Thu, 12 Feb 2015 00:40:58 -0500
Subject: drm/radeon: fix voltage setup on hawaii

commit 09b6e85fc868568e1b2820235a2a851aecbccfcc upstream.

Missing parameter when fetching the real voltage values
from atom.  Fixes problems with dynamic clocking on
certain boards.


Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 drivers/gpu/drm/radeon/radeon_atombios.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 2f7e9b8..87b0d72 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3280,6 +3280,7 @@ int radeon_atom_get_voltage_evv(struct radeon_device *rdev,

 	args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
 	args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
+	args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
 	args.in.ulSCLKFreq =


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