From 5a8c90f32ca62df581053e47e59a35735d07b406 Mon Sep 17 00:00:00 2001
From: Comma Device <device@comma.ai>
Date: Tue, 24 Nov 2020 05:57:34 +0000
Subject: [PATCH] give the model GPU context highest priority

---
 selfdrive/modeld/thneed/thneed.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/selfdrive/modeld/thneed/thneed.cc b/selfdrive/modeld/thneed/thneed.cc
index 4c1adc1ab..76f13d279 100644
--- a/selfdrive/modeld/thneed/thneed.cc
+++ b/selfdrive/modeld/thneed/thneed.cc
@@ -39,6 +39,12 @@ int ioctl(int filedes, unsigned long request, void *argp) {
   // save the fd
   if (request == IOCTL_KGSL_GPUOBJ_ALLOC) g_fd = filedes;
 
+  if (request == IOCTL_KGSL_DRAWCTXT_CREATE) {
+    struct kgsl_drawctxt_create *create = (struct kgsl_drawctxt_create *)argp;
+    create->flags |= 1 << KGSL_CONTEXT_PRIORITY_SHIFT;   // priority from 1-15, 1 is max priority
+    printf("creating context with flags 0x%x\n", create->flags);
+  }
+
   if (thneed != NULL) {
     if (request == IOCTL_KGSL_GPU_COMMAND) {
       struct kgsl_gpu_command *cmd = (struct kgsl_gpu_command *)argp;