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.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=87457

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index be6705eeb6499fe62c1881b73fce54d711ad8dd5..1db2be827ea2a728853f73618e05856f41b747ed 100644 (file)
--- 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 =
                cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);