drm/radeon/kms: only enable HDMI mode if radeon audio is enabled

Force DVI mode if the user specifies radeon.audio=0.  The driver
doesn't handle HDMI mode properly in some cases.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=27731

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 8fd1842..5e90984 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -641,7 +641,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
        switch (connector->connector_type) {
        case DRM_MODE_CONNECTOR_DVII:
        case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
-               if (drm_detect_monitor_audio(radeon_connector->edid)) {
+               if (drm_detect_monitor_audio(radeon_connector->edid) && radeon_audio) {
                        /* fix me */
                        if (ASIC_IS_DCE4(rdev))
                                return ATOM_ENCODER_MODE_DVI;
@@ -655,7 +655,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
        case DRM_MODE_CONNECTOR_DVID:
        case DRM_MODE_CONNECTOR_HDMIA:
        default:
-               if (drm_detect_monitor_audio(radeon_connector->edid)) {
+               if (drm_detect_monitor_audio(radeon_connector->edid) && radeon_audio) {
                        /* fix me */
                        if (ASIC_IS_DCE4(rdev))
                                return ATOM_ENCODER_MODE_DVI;
@@ -673,7 +673,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
                if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
                    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
                        return ATOM_ENCODER_MODE_DP;
-               else if (drm_detect_monitor_audio(radeon_connector->edid)) {
+               else if (drm_detect_monitor_audio(radeon_connector->edid) && radeon_audio) {
                        /* fix me */
                        if (ASIC_IS_DCE4(rdev))
                                return ATOM_ENCODER_MODE_DVI;