diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-07-11 09:41:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-11 09:41:37 +0200 |
| commit | 92254d31444aad272155f7963e65910c402703dd (patch) | |
| tree | 8e454ebe60cbac9a71b1771d4e471cfe54826963 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 707ecec1dc80d54163356a25d145c62083e7be60 (diff) | |
| parent | bd0a521e88aa7a06ae7aabaed7ae196ed4ad867a (diff) | |
Merge tag 'v3.5-rc6' into x86/mce
Merge Linux 3.5-rc6 before merging more code.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b59b6d5b7583..e5b84ff89ca5 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -266,10 +266,15 @@ u32 intel_ring_get_active_head(struct intel_ring_buffer *ring) static int init_ring_common(struct intel_ring_buffer *ring) { - drm_i915_private_t *dev_priv = ring->dev->dev_private; + struct drm_device *dev = ring->dev; + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj = ring->obj; + int ret = 0; u32 head; + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_get(dev_priv); + /* Stop the ring if it's running. */ I915_WRITE_CTL(ring, 0); I915_WRITE_HEAD(ring, 0); @@ -317,7 +322,8 @@ static int init_ring_common(struct intel_ring_buffer *ring) I915_READ_HEAD(ring), I915_READ_TAIL(ring), I915_READ_START(ring)); - return -EIO; + ret = -EIO; + goto out; } if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) @@ -326,9 +332,14 @@ static int init_ring_common(struct intel_ring_buffer *ring) ring->head = I915_READ_HEAD(ring); ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; ring->space = ring_space(ring); + ring->last_retired_head = -1; } - return 0; +out: + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_put(dev_priv); + + return ret; } static int @@ -987,6 +998,10 @@ static int intel_init_ring_buffer(struct drm_device *dev, if (ret) goto err_unref; + ret = i915_gem_object_set_to_gtt_domain(obj, true); + if (ret) + goto err_unpin; + ring->virtual_start = ioremap_wc(dev->agp->base + obj->gtt_offset, ring->size); if (ring->virtual_start == NULL) { |