[PATCH] drm/radeon: fix voltage setup on hawaii
Alex Deucher
alexdeucher at gmail.com
Wed Feb 11 21:45:17 PST 2015
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 at amd.com>
Cc: stable at vger.kernel.org
---
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 dbc94f3..fc1b3f3 100644
--- 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 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);
--
1.8.3.1
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