1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 8e0a8759e428..a0fe6232dcb6 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -92,6 +92,13 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
         if (r) {
                 return r;
         }
+        /* enable msi */
+        rdev->msi_enabled = 0;
+        if (rdev->family >= CHIP_RV380) {
+                int ret = pci_enable_msi(rdev->pdev);
+                if (!ret)
+                        rdev->msi_enabled = 1;
+        }
         drm_irq_install(rdev->ddev);
         rdev->irq.installed = true;
         DRM_INFO("radeon: irq initialized.\n");
@@ -103,5 +110,7 @@ void radeon_irq_kms_fini(struct radeon_device *rdev)
         if (rdev->irq.installed) {
                 rdev->irq.installed = false;
                 drm_irq_uninstall(rdev->ddev);
+                if (rdev->msi_enabled)
+                        pci_disable_msi(rdev->pdev);
         }
 }