Fixes failures in transform feedback on gen7 because our SOL_RESET
flag was setting the transform feedback offsets in the old context
(occasionally happened to be ours) instead of the new context.

Signed-off-by: Eric Anholt <e...@anholt.net>
---
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c 
b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e0489aa..25b2c54 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1030,6 +1030,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void 
*data,
                }
        }
 
+       ret = i915_switch_context(ring, file, ctx_id);
+       if (ret)
+               goto err;
+
        if (ring == &dev_priv->ring[RCS] &&
            mode != dev_priv->relative_constants_mode) {
                ret = intel_ring_begin(ring, 4);
@@ -1051,10 +1055,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void 
*data,
                        goto err;
        }
 
-       ret = i915_switch_context(ring, file, ctx_id);
-       if (ret)
-               goto err;
-
        trace_i915_gem_ring_dispatch(ring, seqno);
 
        exec_start = batch_obj->gtt_offset + args->batch_start_offset;
-- 
1.7.10.4

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