From adf4b33c3b438638853c63b5f076d1a2b2176c90 Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Fri, 22 Sep 2017 11:16:14 +0530 Subject: gpu: nvgpu: nvgpu_pmu_disable_elpg() status check - Added status check for nvgpu_pmu_disable_elpg() return value & prints error information upon failure. - Below CID's are due to missing status check of function nvgpu_pmu_disable_elpg() return value, so this CL helps to fix it 2624546 2624547 2624548 Bug 200291879 Change-Id: I263fc6bc9e2667af478bfd7160fe205167556f99 Signed-off-by: Mahantesh Kumbar Reviewed-on: https://git-master.nvidia.com/r/1565998 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svc-mobile-coverity GVS: Gerrit_Virtual_Submit Reviewed-by: svccoveritychecker Reviewed-by: Terje Bergstrom --- drivers/gpu/nvgpu/common/pmu/pmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/nvgpu/common') diff --git a/drivers/gpu/nvgpu/common/pmu/pmu.c b/drivers/gpu/nvgpu/common/pmu/pmu.c index 1a9061e8..f0df6e14 100644 --- a/drivers/gpu/nvgpu/common/pmu/pmu.c +++ b/drivers/gpu/nvgpu/common/pmu/pmu.c @@ -499,7 +499,8 @@ int nvgpu_pmu_destroy(struct gk20a *g) nvgpu_pmu_get_pg_stats(g, PMU_PG_ELPG_ENGINE_ID_GRAPHICS, &pg_stat_data); - nvgpu_pmu_disable_elpg(g); + if (nvgpu_pmu_disable_elpg(g)) + nvgpu_err(g, "failed to set disable elpg"); pmu->initialized = false; /* update the s/w ELPG residency counters */ -- cgit v1.2.2