drm/i915: Assign request ringbuf before pin

In preparation to make intel_lr_context_pin|unpin to accept
requests, assign ringbuf into request before we call the pinning.

v2: No need to unset ringbuf on error path (Chris)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 8e1619a..fd285d3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -633,14 +633,14 @@ int intel_logical_ring_alloc_request_extras(struct drm_i915_gem_request *request
 {
        int ret;
 
+       request->ringbuf = request->ctx->engine[request->ring->id].ringbuf;
+
        if (request->ctx != request->ring->default_context) {
                ret = intel_lr_context_pin(request->ring, request->ctx);
                if (ret)
                        return ret;
        }
 
-       request->ringbuf = request->ctx->engine[request->ring->id].ringbuf;
-
        return 0;
 }