gpu: nvgpu: Use common allocator for compbit store

Reduce amount of duplicate code around memory allocation by using
common helpers, and common data structure for storing results of
allocations.

Bug 1605769

Change-Id: I7c1662b669ed8c86465254f6001e536141051ee5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/720435

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
index 522cd1dc..9090be23 100644
--- a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c
@@ -53,10 +53,8 @@ static int gm20b_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
 
         gk20a_dbg_fn("");
 
-        if (max_comptag_lines == 0) {
-                gr->compbit_store.size = 0;
+        if (max_comptag_lines == 0)
                 return 0;
-        }
 
         if (max_comptag_lines > hw_max_comptag_lines)
                 max_comptag_lines = hw_max_comptag_lines;
@@ -117,7 +115,7 @@ int gm20b_ltc_cbc_ctrl(struct gk20a *g, enum gk20a_cbc_op op,
 
         trace_gk20a_ltc_cbc_ctrl_start(g->dev->name, op, min, max);
 
-        if (gr->compbit_store.size == 0)
+        if (gr->compbit_store.mem.size == 0)
                 return 0;
 
         mutex_lock(&g->mm.l2_op_lock);