Since the panic handling is gone this is only used for force-restoring
the fbdev/fbcon from sysrq, and that's done with a work item. No need
any more to do trylocks, we can just do normal locking.
Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
---
drivers/gpu/drm/drm_fb_helper.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 77f570a470da..a9043ab7f58b 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -416,19 +416,10 @@ static bool drm_fb_helper_force_kernel_mode(void)
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
continue;
- /*
- * NOTE: Use trylock mode to avoid deadlocks and sleeping in
- * panic context.
- */
- if (__drm_modeset_lock_all(dev, true) != 0) {
- error = true;
- continue;
- }
-
+ drm_modeset_lock_all(dev);
ret = drm_fb_helper_restore_fbdev_mode(helper);
if (ret)
error = true;
-
drm_modeset_unlock_all(dev);
}
return error;
--
2.1.4
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