[Intel-xe] [CI 17/17] drm/xe: Disable panic_on_warn for testing purposes.

[Thomas Hellström]

Turn off panic_on_warn and add some debugging printouts.

Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
---
 drivers/gpu/drm/xe/xe_device.c       | 3 ++-
 drivers/gpu/drm/xe/xe_ttm_sys_mgr.c  | 2 ++
 drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 3 +++
 kernel/panic.c                       | 1 +
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 8423c817111b..73a99c1a0172 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -191,6 +191,7 @@ static void xe_device_destroy(struct drm_device *dev, void *dummy)
 	if (xe->unordered_wq)
 		destroy_workqueue(xe->unordered_wq);
 
+	pr_info("TTM device fini.\n");
 	ttm_device_fini(&xe->ttm);
 }
 
@@ -400,7 +401,7 @@ int xe_device_probe(struct xe_device *xe)
 	u8 id;
 
 	xe_pat_init_early(xe);
-
+	panic_on_warn = 0;
 	xe->info.mem_region_mask = 1;
 	err = xe_display_init_nommio(xe);
 	if (err)
diff --git a/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c b/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
index 3e1fa0c832ca..2183ec7989f9 100644
--- a/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_sys_mgr.c
@@ -88,6 +88,8 @@ static void ttm_sys_mgr_fini(struct drm_device *drm, void *arg)
 	struct ttm_resource_manager *man = &xe->mem.sys_mgr;
 	int err;
 
+	drain_workqueue(xe->ttm.wq);
+	pr_info("TT mgr fini. BO count is %d\n", atomic_read(&ttm_glob.bo_count));
 	ttm_resource_manager_set_used(man, false);
 
 	err = ttm_resource_manager_evict_all(&xe->ttm, man);
diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
index 953e5dc0fd80..22b6b7897339 100644
--- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
@@ -316,6 +316,9 @@ static void ttm_vram_mgr_fini(struct drm_device *dev, void *arg)
 	struct xe_ttm_vram_mgr *mgr = arg;
 	struct ttm_resource_manager *man = &mgr->manager;
 
+	drain_workqueue(xe->ttm.wq);
+	pr_info("VRAM mgr fini. BO count is %d\n", atomic_read(&ttm_glob.bo_count));
+
 	ttm_resource_manager_set_used(man, false);
 
 	if (ttm_resource_manager_evict_all(&xe->ttm, man))
diff --git a/kernel/panic.c b/kernel/panic.c
index bc59531848e4..1c8057027f20 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -59,6 +59,7 @@ static int pause_on_oops_flag;
 static DEFINE_SPINLOCK(pause_on_oops_lock);
 bool crash_kexec_post_notifiers;
 int panic_on_warn __read_mostly;
+EXPORT_SYMBOL_GPL(panic_on_warn);
 unsigned long panic_on_taint;
 bool panic_on_taint_nousertaint = false;
 static unsigned int warn_limit __read_mostly;
-- 
2.42.0