drm/radeon: disable audio format interrupts on Evergreen

The audio format change interrupts are an aid in debugging,
but not required for operation.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index e419b98b0c47..95397b215701 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -461,7 +461,9 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
 
         if (rdev->irq.installed) {
                 /* if irq is available use it */
-                radeon_irq_kms_enable_afmt(rdev, dig->afmt->id);
+                /* XXX: shouldn't need this on any asics.  Double check DCE2/3 */
+                if (!ASIC_IS_DCE4(rdev))
+                        radeon_irq_kms_enable_afmt(rdev, dig->afmt->id);
         }
 
         dig->afmt->enabled = true;