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drm/i915/bdw: Generic logical ring init and cleanup

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Allocate and populate the default LRC for every ring, call
gen-specific init/cleanup, init/fini the command parser and
set the status page (now inside the LRC object). These are
things all engines/rings have in common.

Stopping the ring before cleanup and initializing the seqnos
is left as a TODO task (we need more infrastructure in place
before we can achieve this).

v2: Check the ringbuffer backing obj for ring_is_initialized,
instead of the context backing obj (similar, but not exactly
the same).

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 17:04:23 +01:00
committed by Daniel Vetter
parent 454afebde8
commit 48d823878d
4 changed files with 70 additions and 11 deletions
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6
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -289,11 +289,7 @@ struct intel_engine_cs {
u32 (*get_cmd_length_mask)(u32 cmd_header);
};
static inline bool
intel_ring_initialized(struct intel_engine_cs *ring)
{
return ring->buffer && ring->buffer->obj;
}
bool intel_ring_initialized(struct intel_engine_cs *ring);
static inline unsigned
intel_ring_flag(struct intel_engine_cs *ring)