diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index a4ea4a9fc425..3ac414ff7f84 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -451,12 +451,19 @@ static void __gen6_gt_wait_for_thread_c0(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) { - if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK) & 1) == 0, 500)) + u32 forcewake_ack; + + if (IS_HASWELL(dev_priv->dev)) + forcewake_ack = FORCEWAKE_ACK_HSW; + else + forcewake_ack = FORCEWAKE_ACK; + + if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500)) DRM_ERROR("Force wake wait timed out\n"); I915_WRITE_NOTRACE(FORCEWAKE, 1); - if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK) & 1), 500)) + if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500)) DRM_ERROR("Force wake wait timed out\n"); __gen6_gt_wait_for_thread_c0(dev_priv); @@ -464,12 +471,19 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) { - if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0, 500)) + u32 forcewake_ack; + + if (IS_HASWELL(dev_priv->dev)) + forcewake_ack = FORCEWAKE_ACK_HSW; + else + forcewake_ack = FORCEWAKE_MT_ACK; + + if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500)) DRM_ERROR("Force wake wait timed out\n"); I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1)); - if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1), 500)) + if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500)) DRM_ERROR("Force wake wait timed out\n"); __gen6_gt_wait_for_thread_c0(dev_priv); |