diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 1a877a547290..cc619c138777 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -220,7 +220,6 @@ static int create_default_context(struct drm_i915_private *dev_priv) * may not be available. To avoid this we always pin the * default context. */ - dev_priv->ring[RCS].default_context = ctx; ret = i915_gem_obj_ggtt_pin(ctx->obj, CONTEXT_ALIGN, false, false); if (ret) { DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret); @@ -233,6 +232,8 @@ static int create_default_context(struct drm_i915_private *dev_priv) goto err_unpin; } + dev_priv->ring[RCS].default_context = ctx; + DRM_DEBUG_DRIVER("Default HW context loaded\n"); return 0; @@ -288,16 +289,24 @@ void i915_gem_context_fini(struct drm_device *dev) * other code, leading to spurious errors. */ intel_gpu_reset(dev); - i915_gem_object_unpin(dctx->obj); - /* When default context is created and switched to, base object refcount * will be 2 (+1 from object creation and +1 from do_switch()). * i915_gem_context_fini() will be called after gpu_idle() has switched * to default context. So we need to unreference the base object once * to offset the do_switch part, so that i915_gem_context_unreference() * can then free the base object correctly. */ - drm_gem_object_unreference(&dctx->obj->base); + WARN_ON(!dev_priv->ring[RCS].last_context); + if (dev_priv->ring[RCS].last_context == dctx) { + /* Fake switch to NULL context */ + WARN_ON(dctx->obj->active); + i915_gem_object_unpin(dctx->obj); + i915_gem_context_unreference(dctx); + } + + i915_gem_object_unpin(dctx->obj); i915_gem_context_unreference(dctx); + dev_priv->ring[RCS].default_context = NULL; + dev_priv->ring[RCS].last_context = NULL; } static int context_idr_cleanup(int id, void *p, void *data) |
