drm/msm: change gem->vmap() to get/put

Before we can add vmap shrinking, we really need to know which vmap'ings
are currently being used.  So switch to get/put interface.  Stubbed put
fxns for now.

Signed-off-by: Rob Clark <robdclark@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c
index 42f5359cf988..f326cf6a32e6 100644
--- a/drivers/gpu/drm/msm/msm_ringbuffer.c
+++ b/drivers/gpu/drm/msm/msm_ringbuffer.c
@@ -39,7 +39,7 @@ struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int size)
                 goto fail;
         }
 
-        ring->start = msm_gem_vaddr_locked(ring->bo);
+        ring->start = msm_gem_get_vaddr_locked(ring->bo);
         if (IS_ERR(ring->start)) {
                 ret = PTR_ERR(ring->start);
                 goto fail;
@@ -59,7 +59,9 @@ fail:
 
 void msm_ringbuffer_destroy(struct msm_ringbuffer *ring)
 {
-        if (ring->bo)
+        if (ring->bo) {
+                msm_gem_put_vaddr(ring->bo);
                 drm_gem_object_unreference_unlocked(ring->bo);
+        }
         kfree(ring);
 }