diff options
author | Oscar Mateo <oscar.mateo@intel.com> | 2014-07-03 16:28:02 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-08 12:30:53 +0200 |
commit | 2919d2913c515fcfef6d50a46aae31128d454ce9 (patch) | |
tree | 1d23c9c1db1022d4a7566a2acf54e7fe0a63dee0 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
parent | 31b7a88d354e5d7f7d2e68818e4bd8f115ab1ba6 (diff) | |
download | op-kernel-dev-2919d2913c515fcfef6d50a46aae31128d454ce9.zip op-kernel-dev-2919d2913c515fcfef6d50a46aae31128d454ce9.tar.gz |
drm/i915: Extract ringbuffer destroy & generalize alloc to take a ringbuf
More prep work: with Execlists, we are going to start creating a lot
of extra ringbuffers soon, so these functions are handy.
No functional changes.
v2: rename allocate/destroy_ring_buffer to alloc/destroy_ringbuffer_obj
because the name is more meaningful and to mirror a similar function in
the context world: i915_gem_alloc_context_obj(). Change suggested by Brad
Volkin.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index e18ed05..40b17f2 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1482,15 +1482,25 @@ static int init_phys_status_page(struct intel_engine_cs *ring) return 0; } -static int allocate_ring_buffer(struct intel_engine_cs *ring) +static void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf) +{ + if (!ringbuf->obj) + return; + + iounmap(ringbuf->virtual_start); + i915_gem_object_ggtt_unpin(ringbuf->obj); + drm_gem_object_unreference(&ringbuf->obj->base); + ringbuf->obj = NULL; +} + +static int intel_alloc_ringbuffer_obj(struct drm_device *dev, + struct intel_ringbuffer *ringbuf) { - struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_ringbuffer *ringbuf = ring->buffer; struct drm_i915_gem_object *obj; int ret; - if (intel_ring_initialized(ring)) + if (ringbuf->obj) return 0; obj = NULL; @@ -1562,7 +1572,7 @@ static int intel_init_ring_buffer(struct drm_device *dev, goto error; } - ret = allocate_ring_buffer(ring); + ret = intel_alloc_ringbuffer_obj(dev, ringbuf); if (ret) { DRM_ERROR("Failed to allocate ringbuffer %s: %d\n", ring->name, ret); goto error; @@ -1603,11 +1613,7 @@ void intel_cleanup_ring_buffer(struct intel_engine_cs *ring) intel_stop_ring_buffer(ring); WARN_ON(!IS_GEN2(ring->dev) && (I915_READ_MODE(ring) & MODE_IDLE) == 0); - iounmap(ringbuf->virtual_start); - - i915_gem_object_ggtt_unpin(ringbuf->obj); - drm_gem_object_unreference(&ringbuf->obj->base); - ringbuf->obj = NULL; + intel_destroy_ringbuffer_obj(ringbuf); ring->preallocated_lazy_request = NULL; ring->outstanding_lazy_seqno = 0; |