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Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
-rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 6a7bf1091971..836c15ab84d1 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -42,6 +42,21 @@ static void rv770_gpu_init(struct radeon_device *rdev); void rv770_fini(struct radeon_device *rdev); +/* get temperature in millidegrees */ +u32 rv770_get_temp(struct radeon_device *rdev) +{ + u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> + ASIC_T_SHIFT; + u32 actual_temp = 0; + + if ((temp >> 9) & 1) + actual_temp = 0; + else + actual_temp = (temp >> 1) & 0xff; + + return actual_temp * 1000; +} + void rv770_pm_misc(struct radeon_device *rdev) { int req_ps_idx = rdev->pm.requested_power_state_index; |