gpu: nvgpu: ELPG init based on flag

flag helps to enable/disable ELPG init in SW

Bug N/A

Change-Id: I73eb592b789c2c29db8a75018cbd1617dcf16df8
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1152430
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index a8ebaf7a..64828a3f 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -2462,6 +2462,7 @@ static int gk20a_prepare_ucode(struct gk20a *g)
 
 static int gk20a_init_pmu_setup_sw(struct gk20a *g)
 {
+        struct gk20a_platform *platform = dev_get_drvdata(g->dev);
         struct pmu_gk20a *pmu = &g->pmu;
         struct mm_gk20a *mm = &g->mm;
         struct vm_gk20a *vm = &mm->pmu.vm;
@@ -2514,7 +2515,8 @@ static int gk20a_init_pmu_setup_sw(struct gk20a *g)
 
         pmu_seq_init(pmu);
 
-        INIT_WORK(&pmu->pg_init, pmu_setup_hw);
+        if (platform->can_elpg)
+                INIT_WORK(&pmu->pg_init, pmu_setup_hw);
 
         err = gk20a_gmmu_alloc_map(vm, GK20A_PMU_SEQ_BUF_SIZE, &pmu->seq_buf);
         if (err) {