diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-08 13:25:16 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-08 13:59:41 +0000 |
| commit | 7e3d9a59410d8ea1b4240952485731252ac15f34 (patch) | |
| tree | cd78aec0e944e0da2c89b8684c7daa40495377f7 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | ab3517c1eb01cfd97df8c83435fe43329e0cfae3 (diff) | |
drm/i915: Track active engines within a context
For use in the next patch, if we track which engines have been used by
the HW, we can reduce the work required to flush our state off the HW to
those engines.
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/20190308132522.21573-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 1dd0c99b893f..82f33ff94dc8 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1431,6 +1431,7 @@ static void intel_ring_context_unpin(struct intel_context *ce) __context_unpin_ppgtt(ce->gem_context); __context_unpin(ce); + list_del(&ce->active_link); i915_gem_context_put(ce->gem_context); } @@ -1510,6 +1511,10 @@ __ring_context_pin(struct intel_engine_cs *engine, { int err; + /* One ringbuffer to rule them all */ + GEM_BUG_ON(!engine->buffer); + ce->ring = engine->buffer; + if (!ce->state && engine->context_size) { struct i915_vma *vma; @@ -1530,12 +1535,11 @@ __ring_context_pin(struct intel_engine_cs *engine, if (err) goto err_unpin; - i915_gem_context_get(ctx); - - /* One ringbuffer to rule them all */ - GEM_BUG_ON(!engine->buffer); - ce->ring = engine->buffer; + mutex_lock(&ctx->mutex); + list_add(&ce->active_link, &ctx->active_engines); + mutex_unlock(&ctx->mutex); + i915_gem_context_get(ctx); return ce; err_unpin: |