We should check mode_config_initialized flag in amdgpu_hotplug_work_func.
See commit 7f98ca454ad3 ("drm/radeon: fix hotplug race at startup") for details.
Signed-off-by: Young Xiao <92siuyang@xxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index af4c3b1..13186d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -85,6 +85,9 @@ static void amdgpu_hotplug_work_func(struct work_struct *work)
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
+ if (!adev->mode_info.mode_config_initialized)
+ return;
+
mutex_lock(&mode_config->mutex);
list_for_each_entry(connector, &mode_config->connector_list, head)
amdgpu_connector_hotplug(connector);
--
2.7.4
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