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drm/i915/bdw: Allocate ringbuffers for Logical Ring Contexts

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As we have said a couple of times by now, logical ring contexts have
their own ringbuffers: not only the backing pages, but the whole
management struct.

In a previous version of the series, this was achieved with two separate
patches:
drm/i915/bdw: Allocate ringbuffer backing objects for default global LRC
drm/i915/bdw: Allocate ringbuffer for user-created LRCs

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Oscar Mateo
2014-07-24 17:04:15 +01:00
committed by Daniel Vetter
parent 8c8579176a
commit 84c2377fce
4 changed files with 46 additions and 3 deletions
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4
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -355,6 +355,10 @@ intel_write_status_page(struct intel_engine_cs *ring,
#define I915_GEM_HWS_SCRATCH_INDEX 0x30
#define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT)
void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf);
int intel_alloc_ringbuffer_obj(struct drm_device *dev,
struct intel_ringbuffer *ringbuf);
void intel_stop_ring_buffer(struct intel_engine_cs *ring);
void intel_cleanup_ring_buffer(struct intel_engine_cs *ring);