diff options
author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-20 13:00:31 -0400 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2011-06-20 19:38:25 -0400 |
commit | a377e187df725fe7e62d2cec59ec290c5a605d93 (patch) | |
tree | 409fa226c729259d9ce2dc78d261711d0373bb1b /drivers/gpu/drm/radeon/rv770.c | |
parent | 4ee1c57fcadfb79a6515698d8001081b5b980e32 (diff) |
drm/radeon/kms/r6xx+: voltage fixes
0xff01 is not an actual voltage value, but a flag
for the driver. If the power state as that value,
skip setting the voltage.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
-rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index ef8a5babe9f..6f508ffd103 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c | |||
@@ -105,6 +105,9 @@ void rv770_pm_misc(struct radeon_device *rdev) | |||
105 | struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; | 105 | struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; |
106 | 106 | ||
107 | if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { | 107 | if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { |
108 | /* 0xff01 is a flag rather then an actual voltage */ | ||
109 | if (voltage->voltage == 0xff01) | ||
110 | return; | ||
108 | if (voltage->voltage != rdev->pm.current_vddc) { | 111 | if (voltage->voltage != rdev->pm.current_vddc) { |
109 | radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); | 112 | radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); |
110 | rdev->pm.current_vddc = voltage->voltage; | 113 | rdev->pm.current_vddc = voltage->voltage; |