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path: root/drivers/gpu/drm/radeon/r600_audio.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600_audio.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 0dcb6904c4ff..db928016d034 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -35,7 +35,7 @@
*/
static int r600_audio_chipset_supported(struct radeon_device *rdev)
{
- return (rdev->family >= CHIP_R600 && rdev->family < CHIP_RV710)
+ return rdev->family >= CHIP_R600
|| rdev->family == CHIP_RS600
|| rdev->family == CHIP_RS690
|| rdev->family == CHIP_RS740;
@@ -147,15 +147,23 @@ 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)
{
- if (!r600_audio_chipset_supported(rdev))
+ if (!radeon_audio || !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, true);
rdev->audio_channels = -1;
rdev->audio_rate = -1;
@@ -258,9 +266,10 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
*/
void r600_audio_fini(struct radeon_device *rdev)
{
- if (!r600_audio_chipset_supported(rdev))
+ if (!radeon_audio || !r600_audio_chipset_supported(rdev))
return;
del_timer(&rdev->audio_timer);
- WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
+
+ r600_audio_engine_enable(rdev, false);
}