gpu: nvgpu: Fill in ACR header only once

We call prepare_ucode_blob() once each time we un-railgate. We
allocate prepare the header for ACR ucode there, but the header
never gets freed.

Allocate and prepare the ACR header only once.

Change-Id: I948da8b47d6bb2fa021868d7038d2cc35eccb460
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/729745
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
index 1e1d27eb..387f01ab 100644
--- a/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/acr_gm20b.c
@@ -238,7 +238,7 @@ int prepare_ucode_blob(struct gk20a *g)
         if (err)
                 return err;
 
-        if (plsfm->managed_flcn_cnt) {
+        if (plsfm->managed_flcn_cnt && !plsfm->mem.cpu_va) {
                 /* Generate WPR requirements*/
                 err = lsf_gen_wpr_requirements(g, plsfm);
                 if (err)