From: Andrey Lebedev <andrey@xxxxxxxxxx>
Some pp or gp jobs can be successfully repeated even after they time outs.
Introduce lima module parameter to specify number of times a job can hang
before being dropped.
Signed-off-by: Andrey Lebedev <andrey@xxxxxxxxxx>
---
Now all types are correct (uint).
drivers/gpu/drm/lima/lima_drv.c | 4 ++++
drivers/gpu/drm/lima/lima_drv.h | 1 +
drivers/gpu/drm/lima/lima_sched.c | 5 +++--
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c
index a831565af813..ab460121fd52 100644
--- a/drivers/gpu/drm/lima/lima_drv.c
+++ b/drivers/gpu/drm/lima/lima_drv.c
@@ -19,6 +19,7 @@
int lima_sched_timeout_ms;
uint lima_heap_init_nr_pages = 8;
uint lima_max_error_tasks;
+uint lima_job_hang_limit;
MODULE_PARM_DESC(sched_timeout_ms, "task run timeout in ms");
module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444);
@@ -29,6 +30,9 @@ module_param_named(heap_init_nr_pages, lima_heap_init_nr_pages, uint, 0444);
MODULE_PARM_DESC(max_error_tasks, "max number of error tasks to save");
module_param_named(max_error_tasks, lima_max_error_tasks, uint, 0644);
+MODULE_PARM_DESC(job_hang_limit, "number of times to allow a job to hang before dropping it (default 0)");
+module_param_named(job_hang_limit, lima_job_hang_limit, uint, 0444);
+
static int lima_ioctl_get_param(struct drm_device *dev, void *data, struct drm_file *file)
{
struct drm_lima_get_param *args = data;
diff --git a/drivers/gpu/drm/lima/lima_drv.h b/drivers/gpu/drm/lima/lima_drv.h
index fdbd4077c768..c738d288547b 100644
--- a/drivers/gpu/drm/lima/lima_drv.h
+++ b/drivers/gpu/drm/lima/lima_drv.h
@@ -11,6 +11,7 @@
extern int lima_sched_timeout_ms;
extern uint lima_heap_init_nr_pages;
extern uint lima_max_error_tasks;
+extern uint lima_job_hang_limit;
struct lima_vm;
struct lima_bo;
diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c
index e6cefda00279..1602985dfa04 100644
--- a/drivers/gpu/drm/lima/lima_sched.c
+++ b/drivers/gpu/drm/lima/lima_sched.c
@@ -503,8 +503,9 @@ int lima_sched_pipe_init(struct lima_sched_pipe *pipe, const char *name)
INIT_WORK(&pipe->recover_work, lima_sched_recover_work);
- return drm_sched_init(&pipe->base, &lima_sched_ops, 1, 0,
- msecs_to_jiffies(timeout), name);
+ return drm_sched_init(&pipe->base, &lima_sched_ops, 1,
+ lima_job_hang_limit, msecs_to_jiffies(timeout),
+ name);
}
void lima_sched_pipe_fini(struct lima_sched_pipe *pipe)
--
2.25.1
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