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gpu: nvgpu: deny any request less than engine timeout

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Bug 2343124
JIRA NVGPU-1065

Change-Id: I43a436673117af8ac2490d075cea07532f01af0b
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1818164
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Preetham Chandru R
2018-09-10 23:13:29 +05:30
committed by mobile promotions
parent 5366778e8e
commit 4f01d6a9b9
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/nvgpu/os/linux/ioctl_channel.c
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@@ -1227,6 +1227,11 @@ long gk20a_channel_ioctl(struct file *filp,
(u32)((struct nvgpu_set_timeout_args *)buf)->timeout;
nvgpu_log(g, gpu_dbg_gpu_dbg, "setting timeout (%d ms) for chid %d",
timeout, ch->chid);
if (timeout < g->fifo_eng_timeout_us / 1000) {
dump_stack();
err = -EINVAL;
break;
}
ch->timeout_ms_max = timeout;
gk20a_channel_trace_sched_param(
trace_gk20a_channel_set_timeout, ch);
@@ -1241,6 +1246,11 @@ long gk20a_channel_ioctl(struct file *filp,
(1 << NVGPU_TIMEOUT_FLAG_DISABLE_DUMP));
nvgpu_log(g, gpu_dbg_gpu_dbg, "setting timeout (%d ms) for chid %d",
timeout, ch->chid);
if (timeout < g->fifo_eng_timeout_us / 1000) {
dump_stack();
err = -EINVAL;
break;
}
ch->timeout_ms_max = timeout;
ch->timeout_debug_dump = timeout_debug_dump;
gk20a_channel_trace_sched_param(