From: Andrey Lebedev andrey@lebedev.lt

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@lebedev.lt ---

Fixes for the embarrassing build error Reported-by: kernel test robot lkp@intel.com

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..2400b8d52d92 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, int, 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)

From: Andrey Lebedev andrey@lebedev.lt

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@lebedev.lt ---

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)

Applied to drm-misc-next: https://cgit.freedesktop.org/drm/drm-misc/

Sorry for the late response.

Regards, Qiang

On Tue, Jul 7, 2020 at 12:17 AM Andrey Lebedev andrey.lebedev@gmail.com wrote:

Hello guys,

What is the status of this patch? Was this committed to any branch? Is it pending for merge to the mainline? Do I have to do anything in order to make it mergeable?

On 6/19/20 10:58 AM, Andrey Lebedev wrote:

...

From: Andrey Lebedev andrey@lebedev.lt

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@lebedev.lt

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)

-- Andrey Lebedev aka -.- . -.. -.. . .-. Software engineer Homepage: http://lebedev.lt/