git: drm - Fix memory leak in broadwell or later GPUs

[Matthew Dillon]

commit 6fe294aeab8ee15cd7a543c950ed3d644755dc18
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Fri Dec 16 11:38:35 2016 -0800

    drm - Fix memory leak in broadwell or later GPUs
    
    * vunmap() linux compatibility code was not implemented, leading to a
      memory leak for certain operations in newer GPUs.  Browsers tend to
      tickle the code paths in question.
    
    * Implement vunmap() to fix the leak.

Summary of changes:
 sys/dev/drm/i915/i915_cmd_parser.c  | 4 ++--
 sys/dev/drm/i915/intel_ringbuffer.c | 8 +++++---
 sys/dev/drm/i915/intel_ringbuffer.h | 1 +
 sys/dev/drm/include/linux/vmalloc.h | 9 +++++++--
 4 files changed, 15 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/6fe294aeab8ee15cd7a543c950ed3d644755dc18


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