From 33107d0c75896bbaf01ca73e285438b252cc2c71 Mon Sep 17 00:00:00 2001
From: Qiang Yu <yuq825@gmail.com>
Date: Sat, 22 Feb 2020 10:42:07 +0800
Subject: drm/lima: add max_error_tasks module parameter
Git-commit: c67a3d4f68c7cff39253e122d26a0152dbef37c8
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Limit error tasks to save.
Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200222024210.18697-3-yuq825@gmail.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/lima/lima_drv.c | 4 ++++
drivers/gpu/drm/lima/lima_drv.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c
index 2daac64d8955..e235d4545b6c 100644
--- a/drivers/gpu/drm/lima/lima_drv.c
+++ b/drivers/gpu/drm/lima/lima_drv.c
@@ -16,6 +16,7 @@
int lima_sched_timeout_ms;
uint lima_heap_init_nr_pages = 8;
+uint lima_max_error_tasks;
MODULE_PARM_DESC(sched_timeout_ms, "task run timeout in ms");
module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444);
@@ -23,6 +24,9 @@ module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444);
MODULE_PARM_DESC(heap_init_nr_pages, "heap buffer init number of pages");
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);
+
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 f492ecc6a5d9..fdbd4077c768 100644
--- a/drivers/gpu/drm/lima/lima_drv.h
+++ b/drivers/gpu/drm/lima/lima_drv.h
@@ -10,6 +10,7 @@
extern int lima_sched_timeout_ms;
extern uint lima_heap_init_nr_pages;
+extern uint lima_max_error_tasks;
struct lima_vm;
struct lima_bo;
--
2.28.0