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authorAlex Deucher <alexander.deucher@amd.com>2014-02-18 20:07:55 +0400
committerAlex Deucher <alexander.deucher@amd.com>2014-02-27 23:21:31 +0400
commit832eafaf34ff7d0348fe701e417900c6cf1f5656 (patch)
treebd0432faf5edd181b86b3894ad78077bfa5217d8 /drivers/gpu/drm/radeon/r600_audio.c
parentd7eb0a0940618f36e5937d81c06ad7bf438a99e2 (diff)
downloadlinux-832eafaf34ff7d0348fe701e417900c6cf1f5656.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_audio.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_audio.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 47fc2b886979..bffac10c4296 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -142,12 +142,15 @@ void r600_audio_update_hdmi(struct work_struct *work)
}
/* enable the audio stream */
-static void r600_audio_enable(struct radeon_device *rdev,
- struct r600_audio_pin *pin,
- bool enable)
+void r600_audio_enable(struct radeon_device *rdev,
+ struct r600_audio_pin *pin,
+ bool enable)
{
u32 value = 0;
+ if (!pin)
+ return;
+
if (ASIC_IS_DCE4(rdev)) {
if (enable) {
value |= 0x81000000; /* Required to enable audio */
@@ -158,7 +161,6 @@ static void r600_audio_enable(struct radeon_device *rdev,
WREG32_P(R600_AUDIO_ENABLE,
enable ? 0x81000000 : 0x0, ~0x81000000);
}
- DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
}
/*
@@ -178,8 +180,8 @@ int r600_audio_init(struct radeon_device *rdev)
rdev->audio.pin[0].status_bits = 0;
rdev->audio.pin[0].category_code = 0;
rdev->audio.pin[0].id = 0;
-
- r600_audio_enable(rdev, &rdev->audio.pin[0], true);
+ /* disable audio. it will be set up later */
+ r600_audio_enable(rdev, &rdev->audio.pin[0], false);
return 0;
}