[PATCH 4.0 45/60] drm/radeon: dont setup audio on asics that dont support it

From: Greg Kroah-Hartman
Date: Fri May 15 2015 - 19:20:53 EST


4.0-stable review patch. If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit d73a824acc705571c0f47596326d7967fba9a1d9 upstream.

bug: https://bugzilla.kernel.org/show_bug.cgi?id=97701

Reported-by: Mikael Pettersson <mikpelinux@xxxxxxxxx>
Tested-by: Mikael Pettersson <mikpelinux@xxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/radeon/radeon_audio.c | 4 ++++
1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -464,6 +464,10 @@ void radeon_audio_detect(struct drm_conn
return;

rdev = connector->encoder->dev->dev_private;
+
+ if (!radeon_audio_chipset_supported(rdev))
+ return;
+
radeon_encoder = to_radeon_encoder(connector->encoder);
dig = radeon_encoder->enc_priv;



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