From: Oscar Mateo <oscar.mateo@xxxxxxxxx>
We are going to use it later to allocate our own objects.
No functional changes.
Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gem_context.c | 54 +++++++++++++++++++++------------
3 files changed, 38 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 65a740e..204b432 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1698,7 +1698,7 @@ static int i915_context_status(struct seq_file *m, void *unused)
}
list_for_each_entry(ctx, &dev_priv->context_list, link) {
- if (ctx->obj == NULL)
+ if (ctx->engine[RCS].obj == NULL)
continue;
seq_puts(m, "HW context ");
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6f45bf0..86730d5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2387,6 +2387,8 @@ void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
int __must_check i915_gem_context_init(struct drm_device *dev);
void i915_gem_context_fini(struct drm_device *dev);
+struct drm_i915_gem_object *intel_allocate_ctx_backing_obj(struct drm_device *dev,
+ size_t size);
struct i915_hw_context *i915_gem_create_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv,
bool create_vm, bool create_obj);
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 2d47532..708111d 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -219,6 +219,36 @@ create_vm_for_ctx(struct drm_device *dev, struct i915_hw_context *ctx)
return ppgtt;
}
+struct drm_i915_gem_object *
+intel_allocate_ctx_backing_obj(struct drm_device *dev, size_t size)
+{
+ struct drm_i915_gem_object *obj;
+ int ret;
+
+ obj = i915_gem_alloc_object(dev, size);
+ if (obj == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ /*
+ * 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(obj, I915_CACHE_L3_LLC);
+ /* Failure shouldn't ever happen this early */
+ if (WARN_ON(ret)) {
+ drm_gem_object_unreference(&obj->base);
+ return ERR_PTR(ret);
+ }
+ }
+
+ return obj;
+}
+
static struct i915_hw_context *
__create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv,
@@ -237,28 +267,14 @@ __create_hw_context(struct drm_device *dev,
list_add_tail(&ctx->link, &dev_priv->context_list);
if (dev_priv->hw_context_size && create_obj) {
- ctx->engine[RCS].obj = ctx_obj = i915_gem_alloc_object(dev,
- dev_priv->hw_context_size);
- if (ctx_obj == NULL) {
- ret = -ENOMEM;
+ ctx_obj = intel_allocate_ctx_backing_obj(dev,
+ dev_priv->hw_context_size);
+ if (IS_ERR_OR_NULL(ctx_obj)) {
+ ret = PTR_ERR(ctx_obj);
goto err_out;
}
- /*
- * 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;
- }
+ ctx->engine[RCS].obj = ctx_obj;
}
/* Default context will never have a file_priv */
--
1.9.0
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