drm/radeon/kms: enable MSIs on fusion APUs

Signed-off-by: Alex Deucher <alexdeucher@gmail.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 a108c7e..b492b7d 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -121,7 +121,7 @@
 	 * chips.  Disable MSI on them for now.
 	 */
 	if ((rdev->family >= CHIP_RV380) &&
-	    (!(rdev->flags & RADEON_IS_IGP)) &&
+	    ((!(rdev->flags & RADEON_IS_IGP)) || (rdev->family >= CHIP_PALM)) &&
 	    (!(rdev->flags & RADEON_IS_AGP))) {
 		int ret = pci_enable_msi(rdev->pdev);
 		if (!ret) {