drm/radeon/audio: don't set speaker allocation on DCE4+

It causes hangs on some asics.  Disable on DCE6+ as well
just to be on the safe side.

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

diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 85a69d2..9fcd338 100644 (file)
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -113,6 +113,9 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder)
        u8 *sadb;
        int sad_count;
 
+       /* XXX: setting this register causes hangs on some asics */
+       return;
+
        if (!dig->afmt->pin)
                return;
 

diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index f815c20..fe1de85 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -67,6 +67,9 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
        u8 *sadb;
        int sad_count;
 
+       /* XXX: setting this register causes hangs on some asics */
+       return;
+
        list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
                if (connector->encoder == encoder)
                        radeon_connector = to_radeon_connector(connector);