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Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gpu.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gpu.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 37018bc55810..7d9bf4673e2d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1045,12 +1045,28 @@ pm_put:
}
#endif
-void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu)
+void etnaviv_gpu_recover_hang(struct etnaviv_gem_submit *submit)
{
+ struct etnaviv_gpu *gpu = submit->gpu;
+ char *comm = NULL, *cmd = NULL;
+ struct task_struct *task;
unsigned int i;
dev_err(gpu->dev, "recover hung GPU!\n");
+ task = get_pid_task(submit->pid, PIDTYPE_PID);
+ if (task) {
+ comm = kstrdup(task->comm, GFP_KERNEL);
+ cmd = kstrdup_quotable_cmdline(task, GFP_KERNEL);
+ put_task_struct(task);
+ }
+
+ if (comm && cmd)
+ dev_err(gpu->dev, "offending task: %s (%s)\n", comm, cmd);
+
+ kfree(cmd);
+ kfree(comm);
+
if (pm_runtime_get_sync(gpu->dev) < 0)
goto pm_put;