diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 7e2a671882fb..464dc58af27b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1384,11 +1384,34 @@ alloc_context_vma(struct intel_engine_cs *engine) struct drm_i915_private *i915 = engine->i915; struct drm_i915_gem_object *obj; struct i915_vma *vma; + int err; obj = i915_gem_object_create(i915, engine->context_size); if (IS_ERR(obj)) return ERR_CAST(obj); + if (engine->default_state) { + void *defaults, *vaddr; + + vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB); + if (IS_ERR(vaddr)) { + err = PTR_ERR(vaddr); + goto err_obj; + } + + defaults = i915_gem_object_pin_map(engine->default_state, + I915_MAP_WB); + if (IS_ERR(defaults)) { + err = PTR_ERR(defaults); + goto err_map; + } + + memcpy(vaddr, defaults, engine->context_size); + + i915_gem_object_unpin_map(engine->default_state); + i915_gem_object_unpin_map(obj); + } + /* * Try to make the context utilize L3 as well as LLC. * @@ -1410,10 +1433,18 @@ alloc_context_vma(struct intel_engine_cs *engine) } vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); - if (IS_ERR(vma)) - i915_gem_object_put(obj); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + goto err_obj; + } return vma; + +err_map: + i915_gem_object_unpin_map(obj); +err_obj: + i915_gem_object_put(obj); + return ERR_PTR(err); } static struct intel_ring * @@ -1449,16 +1480,6 @@ intel_ring_context_pin(struct intel_engine_cs *engine, ce->state->obj->pin_global++; } - /* The kernel context is only used as a placeholder for flushing the - * active context. It is never used for submitting user rendering and - * as such never requires the golden render context, and so we can skip - * emitting it when we switch to the kernel context. This is required - * as during eviction we cannot allocate and pin the renderstate in - * order to initialise the context. - */ - if (i915_gem_context_is_kernel(ctx)) - ce->initialised = true; - i915_gem_context_get(ctx); out: |