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author | Vaikundanathan S <vaikuns@nvidia.com> | 2018-04-25 03:10:29 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2018-05-04 02:56:59 -0400 |
commit | 76597927e4059fd763949f633ef4f8f412e45f6b (patch) | |
tree | c7c576fc0203418877d84132617affa7474c12b4 /drivers/gpu | |
parent | f4445e693da958851f541713292beb87ee558c4a (diff) |
gpu:nvgpu: Invalidate rpc buffer
Set rpc buffer to 0xFF instead of 0x0 to handle fucntions with rpc id 0
Change-Id: Ife692d9fd19008e225975e41bb13e53522283a54
Signed-off-by: Vaikundanathan S <vaikuns@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1702133
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Tested-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/nvgpu/common/pmu/pmu_ipc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/common/pmu/pmu_ipc.c b/drivers/gpu/nvgpu/common/pmu/pmu_ipc.c index d1058864..a00c2a5e 100644 --- a/drivers/gpu/nvgpu/common/pmu/pmu_ipc.c +++ b/drivers/gpu/nvgpu/common/pmu/pmu_ipc.c | |||
@@ -1148,7 +1148,7 @@ int nvgpu_pmu_rpc_execute(struct nvgpu_pmu *pmu, struct nv_pmu_rpc_header *rpc, | |||
1148 | */ | 1148 | */ |
1149 | if (is_copy_back) { | 1149 | if (is_copy_back) { |
1150 | /* clear buff */ | 1150 | /* clear buff */ |
1151 | memset(rpc_buff, 0, size_rpc); | 1151 | memset(rpc_buff, 0xFF, size_rpc); |
1152 | /* wait till RPC execute in PMU & ACK */ | 1152 | /* wait till RPC execute in PMU & ACK */ |
1153 | pmu_wait_message_cond(pmu, gk20a_get_gr_idle_timeout(g), | 1153 | pmu_wait_message_cond(pmu, gk20a_get_gr_idle_timeout(g), |
1154 | &((struct nv_pmu_rpc_header *)rpc_buff)->function, | 1154 | &((struct nv_pmu_rpc_header *)rpc_buff)->function, |