linux-next: manual merge of the drm-intel tree with the drm-intel-fixes tree

[Stephen Rothwell]

Hi all,

Today's linux-next merge of the drm-intel tree got a conflict in
drivers/gpu/drm/i915/i915_drv.h between commit b3a38998f042 ("drm/i915:
Fix a use after free, and unbalanced refcounting") from the
drm-intel-fixes tree and commit 98e1bd4ae68e ("drm/i915: Cache ringbuf
pointer in request structure") 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                    sfr at canb.auug.org.au

diff --cc drivers/gpu/drm/i915/i915_drv.h
index 8727086cf48c,239a382c8b55..000000000000
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@@ -2140,17 -2156,9 +2159,18 @@@ struct drm_i915_gem_request 
  	/** Position in the ringbuffer of the end of the whole request */
  	u32 tail;
  
 -	/** Context and ring buffer related to this request */
 +	/**
- 	 * Context related to this request
++	 * Context and ring buffer related to this request
 +	 * Contexts are refcounted, so when this request is associated with a
 +	 * context, we must increment the context's refcount, to guarantee that
 +	 * it persists while any request is linked to it. Requests themselves
 +	 * are also refcounted, so the request will only be freed when the last
 +	 * reference to it is dismissed, and the code in
 +	 * i915_gem_request_free() will then decrement the refcount on the
 +	 * context.
 +	 */
  	struct intel_context *ctx;
+ 	struct intel_ringbuffer *ringbuf;
  
  	/** Batch buffer related to this request if any */
  	struct drm_i915_gem_object *batch_obj;
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