drm/radeon: change audio enable logic

Disable audio around audio hw setup.  This may avoid
hangs on certain asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 36e8f1084621..94e858751994 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -278,13 +278,15 @@ static int dce6_audio_chipset_supported(struct radeon_device *rdev)
         return !ASIC_IS_NODCE(rdev);
 }
 
-static void dce6_audio_enable(struct radeon_device *rdev,
-                              struct r600_audio_pin *pin,
-                              bool enable)
+void dce6_audio_enable(struct radeon_device *rdev,
+                       struct r600_audio_pin *pin,
+                       bool enable)
 {
+        if (!pin)
+                return;
+
         WREG32_ENDPOINT(pin->offset, AZ_F0_CODEC_PIN_CONTROL_HOTPLUG_CONTROL,
                         enable ? AUDIO_ENABLED : 0);
-        DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
 }
 
 static const u32 pin_offsets[7] =
@@ -323,7 +325,8 @@ int dce6_audio_init(struct radeon_device *rdev)
                 rdev->audio.pin[i].connected = false;
                 rdev->audio.pin[i].offset = pin_offsets[i];
                 rdev->audio.pin[i].id = i;
-                dce6_audio_enable(rdev, &rdev->audio.pin[i], true);
+                /* disable audio.  it will be set up later */
+                dce6_audio_enable(rdev, &rdev->audio.pin[i], false);
         }
 
         return 0;