drm/radeon/kms: isolate audio engine management, change fini order

We should stop audio-state-reading timer before we turn off engine

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index b1c1d34..d7f6909 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -147,6 +147,15 @@ static void r600_audio_update_hdmi(unsigned long param)
 }
 
 /*
+ * turn on/off audio engine
+ */
+static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
+{
+       DRM_INFO("%s audio support", enable ? "Enabling" : "Disabling");
+       WREG32_P(R600_AUDIO_ENABLE, enable ? 0x81000000 : 0x0, ~0x81000000);
+}
+
+/*
  * initialize the audio vars and register the update timer
  */
 int r600_audio_init(struct radeon_device *rdev)
@@ -154,8 +163,7 @@ int r600_audio_init(struct radeon_device *rdev)
        if (!r600_audio_chipset_supported(rdev))
                return 0;
 
-       DRM_INFO("%s audio support", radeon_audio ? "Enabling" : "Disabling");
-       WREG32_P(R600_AUDIO_ENABLE, radeon_audio ? 0x81000000 : 0x0, ~0x81000000);
+       r600_audio_engine_enable(rdev, radeon_audio);
 
        rdev->audio_channels = -1;
        rdev->audio_rate = -1;
@@ -261,7 +269,7 @@ void r600_audio_fini(struct radeon_device *rdev)
        if (!r600_audio_chipset_supported(rdev))
                return;
 
-       WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
-
        del_timer(&rdev->audio_timer);
+
+       r600_audio_engine_enable(rdev, false);
 }