[PATCH 3.19 049/177] drm/radeon: fix voltage setup on hawaii

Greg Kroah-Hartman
2015-03-16T15:55:25Z

From: Alex Deucher <alexander.deucher@amd.com>

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/radeon/radeon_atombios.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3289,6 +3289,7 @@ int radeon_atom_get_voltage_evv(struct r

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);