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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-10-17 12:09:55 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-17 21:10:41 +0200 |
| commit | c5836c27ae458b989a8105402f11341b9d37ce14 (patch) | |
| tree | 461c46b68242c6fe11a8bd6b113713a1cef97968 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | d7d4eeddb8f72342f70621c4b3cb718af9361712 (diff) | |
| download | linux-c5836c27ae458b989a8105402f11341b9d37ce14.tar.gz linux-c5836c27ae458b989a8105402f11341b9d37ce14.tar.bz2 linux-c5836c27ae458b989a8105402f11341b9d37ce14.zip | |
drm/i915: Document the multi-threaded FORCEWAKE bits
No functional change, but reserves 0x2 for use by userspace.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a56ca428c38e..9c779c6d1641 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3978,7 +3978,7 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) FORCEWAKE_ACK_TIMEOUT_MS)) DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n"); - I915_WRITE_NOTRACE(FORCEWAKE, 1); + I915_WRITE_NOTRACE(FORCEWAKE, FORCEWAKE_KERNEL); POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */ if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1), @@ -4001,7 +4001,7 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) FORCEWAKE_ACK_TIMEOUT_MS)) DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n"); - I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1)); + I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL)); POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */ if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1), @@ -4045,7 +4045,7 @@ static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv) { - I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(1)); + I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL)); /* gen6_gt_check_fifodbg doubles as the POSTING_READ */ gen6_gt_check_fifodbg(dev_priv); } @@ -4089,7 +4089,7 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv) FORCEWAKE_ACK_TIMEOUT_MS)) DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n"); - I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_ENABLE(1)); + I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL)); if (wait_for_atomic((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1), FORCEWAKE_ACK_TIMEOUT_MS)) @@ -4100,7 +4100,7 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv) static void vlv_force_wake_put(struct drm_i915_private *dev_priv) { - I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(1)); + I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL)); /* The below doubles as a POSTING_READ */ gen6_gt_check_fifodbg(dev_priv); } |