drm/i915: Add a context open function
We'll be doing a bit more stuff with each file, so having our own open
function should make things clean.
This also allows us to easily add conditionals for stuff we don't want
to do when we don't have HW contexts.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 0640ab8..2ae6e4f 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -341,10 +341,25 @@
return &ctx->hang_stats;
}
+int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
+{
+ struct drm_i915_file_private *file_priv = file->driver_priv;
+
+ if (!HAS_HW_CONTEXTS(dev))
+ return 0;
+
+ idr_init(&file_priv->context_idr);
+
+ return 0;
+}
+
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
+ if (!HAS_HW_CONTEXTS(dev))
+ return;
+
mutex_lock(&dev->struct_mutex);
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
idr_destroy(&file_priv->context_idr);