drm/radeon/kms: suspend and resume audio stuff

Fixes FDO bug #26214

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

2 files changed, 9 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 9661a469f3bd..29faebc105df 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1950,6 +1950,13 @@ int r600_resume(struct radeon_device *rdev)
                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
                 return r;
         }
+
+        r = r600_audio_init(rdev);
+        if (r) {
+                DRM_ERROR("radeon: audio resume failed\n");
+                return r;
+        }
+
         return r;
 }
 
@@ -1957,6 +1964,7 @@ int r600_suspend(struct radeon_device *rdev)
 {
         int r;
 
+        r600_audio_fini(rdev);
         /* FIXME: we should wait for ring to be empty */
         r600_cp_stop(rdev);
         rdev->cp.ready = false;
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index b1c1d3433454..0dcb6904c4ff 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -261,7 +261,6 @@ 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);
+        WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
 }