When task fail, we can find its process with this information.
Signed-off-by: Qiang Yu <yuq...@gmail.com>
---
drivers/gpu/drm/lima/lima_ctx.c | 3 +++
drivers/gpu/drm/lima/lima_ctx.h | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/lima/lima_ctx.c b/drivers/gpu/drm/lima/lima_ctx.c
index 22fff6caa961..891d5cd5019a 100644
--- a/drivers/gpu/drm/lima/lima_ctx.c
+++ b/drivers/gpu/drm/lima/lima_ctx.c
@@ -27,6 +27,9 @@ int lima_ctx_create(struct lima_device *dev, struct
lima_ctx_mgr *mgr, u32 *id)
if (err < 0)
goto err_out0;
+ ctx->pid = task_pid_nr(current);
+ get_task_comm(ctx->pname, current);
+
return 0;
err_out0:
diff --git a/drivers/gpu/drm/lima/lima_ctx.h b/drivers/gpu/drm/lima/lima_ctx.h
index 6154e5c9bfe4..74e2be09090f 100644
--- a/drivers/gpu/drm/lima/lima_ctx.h
+++ b/drivers/gpu/drm/lima/lima_ctx.h
@@ -5,6 +5,7 @@
#define __LIMA_CTX_H__
#include <linux/xarray.h>
+#include <linux/sched.h>
#include "lima_device.h"
@@ -13,6 +14,10 @@ struct lima_ctx {
struct lima_device *dev;
struct lima_sched_context context[lima_pipe_num];
atomic_t guilty;
+
+ /* debug info */
+ char pname[TASK_COMM_LEN];
+ pid_t pid;
};
struct lima_ctx_mgr {
--
2.17.1
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