[PATCH] drm/amdgpu: Need to disable msix when unloading driver

Emily Deng Emily.Deng at amd.com
Wed Nov 6 06:18:09 UTC 2019


For driver reload test, it will report "can't enable
MSI (MSI-X already enabled)".

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 6040eb3..48d9cf0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -325,7 +325,11 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
 		drm_irq_uninstall(adev->ddev);
 		adev->irq.installed = false;
 		if (adev->irq.msi_enabled)
+#ifdef PCI_IRQ_MSI
+			pci_free_irq_vectors(adev->pdev);
+#else
 			pci_disable_msi(adev->pdev);
+#endif
 		if (!amdgpu_device_has_dc_support(adev))
 			flush_work(&adev->hotplug_work);
 	}
-- 
2.7.4



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