releases/3.19.2/drm-radeon-fix-voltage-setup-on-hawaii.patch

   1 From 09b6e85fc868568e1b2820235a2a851aecbccfcc Mon Sep 17 00:00:00 2001
   2 From: Alex Deucher <alexander.deucher@amd.com>
   3 Date: Thu, 12 Feb 2015 00:40:58 -0500
   4 Subject: drm/radeon: fix voltage setup on hawaii
   5
   6 From: Alex Deucher <alexander.deucher@amd.com>
   7
   8 commit 09b6e85fc868568e1b2820235a2a851aecbccfcc upstream.
   9
  10 Missing parameter when fetching the real voltage values
  11 from atom.  Fixes problems with dynamic clocking on
  12 certain boards.
  13
  14 bug:
  15 https://bugs.freedesktop.org/show_bug.cgi?id=87457
  16
  17 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
  18 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  19
  20 ---
  21  drivers/gpu/drm/radeon/radeon_atombios.c |    1 +
  22  1 file changed, 1 insertion(+)
  23
  24 --- a/drivers/gpu/drm/radeon/radeon_atombios.c
  25 +++ b/drivers/gpu/drm/radeon/radeon_atombios.c
  26 @@ -3289,6 +3289,7 @@ int radeon_atom_get_voltage_evv(struct r
  27
  28         args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
  29         args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
  30 +       args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
  31         args.in.ulSCLKFreq =
  32                 cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
  33