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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-08 13:25:21 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-08 14:00:02 +0000 |
| commit | 9dbfea98d70ba83c3a824b470447b8d452ae2540 (patch) | |
| tree | b5971189ff25a1c248edc157fdfe8a54cddfff45 /drivers/gpu/drm/i915/intel_lrc.c | |
| parent | 95f697eb024d7def7f9050cd5eba9502034dd94d (diff) | |
| download | linux-next-9dbfea98d70ba83c3a824b470447b8d452ae2540.tar.gz linux-next-9dbfea98d70ba83c3a824b470447b8d452ae2540.zip | |
drm/i915: Track the pinned kernel contexts on each engine
Each engine acquires a pin on the kernel contexts (normal and preempt)
so that the logical state is always available on demand. Keep track of
each engines pin by storing the returned pointer on the engine for quick
access.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308132522.21573-6-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index d9bb744c3174..44148433d237 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -626,7 +626,7 @@ static void port_assign(struct execlist_port *port, struct i915_request *rq) static void inject_preempt_context(struct intel_engine_cs *engine) { struct intel_engine_execlists *execlists = &engine->execlists; - struct intel_context *ce = execlists->preempt_context; + struct intel_context *ce = engine->preempt_context; unsigned int n; GEM_BUG_ON(execlists->preempt_complete_status != @@ -2321,7 +2321,7 @@ void intel_execlists_set_default_submission(struct intel_engine_cs *engine) engine->flags |= I915_ENGINE_HAS_SEMAPHORES; engine->flags |= I915_ENGINE_SUPPORTS_STATS; - if (engine->i915->preempt_context) + if (engine->preempt_context) engine->flags |= I915_ENGINE_HAS_PREEMPTION; } @@ -2423,14 +2423,9 @@ static int logical_ring_init(struct intel_engine_cs *engine) } execlists->preempt_complete_status = ~0u; - if (i915->preempt_context) { - struct intel_context *ce = - intel_context_lookup(i915->preempt_context, engine); - - execlists->preempt_context = ce; + if (engine->preempt_context) execlists->preempt_complete_status = - upper_32_bits(ce->lrc_desc); - } + upper_32_bits(engine->preempt_context->lrc_desc); execlists->csb_status = &engine->status_page.addr[I915_HWS_CSB_BUF0_INDEX]; |