Hi all,
Today's linux-next merge of the drm-intel tree got a conflict in
drivers/gpu/drm/i915/i915_gem_context.c between commit 691e6415c891
("drm/i915: Always use kref tracking for all contexts") from the
drm-intel-fixes tree and commit ad2ac08bf34b ("drm/i915: Make contexts
non-snooped on non-LLC platforms") from the drm-intel tree.
I fixed it up (see below) and can carry the fix as necessary (no action
is required).
--
Cheers,
Stephen Rothwell s...@canb.auug.org.au
diff --cc drivers/gpu/drm/i915/i915_gem_context.c
index d72db15afa02,30b355afb362..000000000000
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@@ -231,32 -232,40 +231,40 @@@ __create_hw_context(struct drm_device *
return ERR_PTR(-ENOMEM);
kref_init(&ctx->ref);
- ctx->obj = i915_gem_alloc_object(dev, dev_priv->hw_context_size);
- INIT_LIST_HEAD(&ctx->link);
- if (ctx->obj == NULL) {
- kfree(ctx);
- DRM_DEBUG_DRIVER("Context object allocated failed\n");
- return ERR_PTR(-ENOMEM);
- }
+ list_add_tail(&ctx->link, &dev_priv->context_list);
- /*
- * Try to make the context utilize L3 as well as LLC.
- *
- * On VLV we don't have L3 controls in the PTEs so we
- * shouldn't touch the cache level, especially as that
- * would make the object snooped which might have a
- * negative performance impact.
- */
- if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) {
- ret = i915_gem_object_set_cache_level(ctx->obj,
- I915_CACHE_L3_LLC);
- /* Failure shouldn't ever happen this early */
- if (WARN_ON(ret))
+ if (dev_priv->hw_context_size) {
+ ctx->obj = i915_gem_alloc_object(dev,
dev_priv->hw_context_size);
+ if (ctx->obj == NULL) {
+ ret = -ENOMEM;
goto err_out;
- }
+ }
- if (INTEL_INFO(dev)->gen >= 7) {
- list_add_tail(&ctx->link, &dev_priv->context_list);
++ /*
++ * Try to make the context utilize L3 as well as LLC.
++ *
++ * On VLV we don't have L3 controls in the PTEs so we
++ * shouldn't touch the cache level, especially as that
++ * would make the object snooped which might have a
++ * negative performance impact.
++ */
++ if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) {
+ ret = i915_gem_object_set_cache_level(ctx->obj,
+
I915_CACHE_L3_LLC);
+ /* Failure shouldn't ever happen this early */
+ if (WARN_ON(ret))
+ goto err_out;
+ }
+ }
/* Default context will never have a file_priv */
- if (file_priv == NULL)
- return ctx;
-
- ret = idr_alloc(&file_priv->context_idr, ctx, DEFAULT_CONTEXT_ID, 0,
- GFP_KERNEL);
- if (ret < 0)
- goto err_out;
+ if (file_priv != NULL) {
+ ret = idr_alloc(&file_priv->context_idr, ctx,
+ DEFAULT_CONTEXT_ID, 0, GFP_KERNEL);
+ if (ret < 0)
+ goto err_out;
+ } else
+ ret = DEFAULT_CONTEXT_ID;
ctx->file_priv = file_priv;
ctx->id = ret;
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