drm/radeon/kms: Don't try to enable IRQ if we have no handler installed
If for any reason we haven't installed handler we shouldn't try to
enable IRQ/MSI on the hw so we don't get unhandled IRQ/MSI which
makes the kernel sad.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 9223296..3cfd60f 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -97,6 +97,7 @@
rdev->irq.sw_int = false;
for (i = 0; i < 2; i++) {
rdev->irq.crtc_vblank_int[i] = false;
+ rdev->irq.hpd[i] = false;
}
radeon_irq_set(rdev);
}
@@ -128,17 +129,22 @@
DRM_INFO("radeon: using MSI.\n");
}
}
- drm_irq_install(rdev->ddev);
rdev->irq.installed = true;
+ r = drm_irq_install(rdev->ddev);
+ if (r) {
+ rdev->irq.installed = false;
+ return r;
+ }
DRM_INFO("radeon: irq initialized.\n");
return 0;
}
void radeon_irq_kms_fini(struct radeon_device *rdev)
{
+ drm_vblank_cleanup(rdev->ddev);
if (rdev->irq.installed) {
- rdev->irq.installed = false;
drm_irq_uninstall(rdev->ddev);
+ rdev->irq.installed = false;
if (rdev->msi_enabled)
pci_disable_msi(rdev->pdev);
}