diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2014-04-17 10:37:37 +0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-05-05 09:08:46 +0200 |
| commit | 845f74a701541662bf7d4880a0f4d492b28f2d18 (patch) | |
| tree | 3eedda3b84166f28ec069797670a8f6452c77933 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | b1a93306ed2686a7064ed54f99203b6db852ca27 (diff) | |
drm/i915:Initialize the second BSD ring on BDW GT3 machine
Based on the hardware spec, the BDW GT3 machine has two independent
BSD ring that can be used to dispatch the video commands.
So just initialize it.
V3->V4: Follow Imre's comment to do some minor updates. For example:
more comments are added to describe the semaphore between ring.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[danvet: Fix up checkpatch error.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 89dbb1bb43e2..7057eab3ccfa 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4388,13 +4388,20 @@ static int i915_gem_init_rings(struct drm_device *dev) goto cleanup_blt_ring; } + if (HAS_BSD2(dev)) { + ret = intel_init_bsd2_ring_buffer(dev); + if (ret) + goto cleanup_vebox_ring; + } ret = i915_gem_set_seqno(dev, ((u32)~0 - 0x1000)); if (ret) - goto cleanup_vebox_ring; + goto cleanup_bsd2_ring; return 0; +cleanup_bsd2_ring: + intel_cleanup_ring_buffer(&dev_priv->ring[VCS2]); cleanup_vebox_ring: intel_cleanup_ring_buffer(&dev_priv->ring[VECS]); cleanup_blt_ring: |