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| author |   Rafał Miłecki <zajec5@gmail.com> | 2010-06-19 12:24:56 +0200 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-08-02 10:00:06 +1000 |
| commit | 7eea7e9eea106a9c49cddf780f590dd8161481fa (patch) | |
| tree | 84a31f2fd452ee22ab0cdcbee1c5fb77896408cd /drivers/gpu/drm/radeon/r600_audio.c | |
| parent | drm/radeon/kms/r6xx+: add query for tile config (v2) (diff) | |
| download | linux-dev-7eea7e9eea106a9c49cddf780f590dd8161481fa.tar.xz linux-dev-7eea7e9eea106a9c49cddf780f590dd8161481fa.zip | |
drm/radeon/kms: track audio engine state, do not use not setup timer
This is needed to enable audio support on devices using polling. In case user
decides to disable audio (module parameter) we still will try to use timer in
r600_audio_enable_polling. This would lead to BUG in kernel/timer.c.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_audio.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_audio.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c index 2b26553c352c..631e1edc373a 100644 --- a/drivers/gpu/drm/radeon/r600_audio.c +++ b/drivers/gpu/drm/radeon/r600_audio.c @@ -160,6 +160,7 @@ 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); + rdev->audio_enabled = enable; } /* @@ -200,7 +201,8 @@ void r600_audio_enable_polling(struct drm_encoder *encoder) return; radeon_encoder->audio_polling_active = 1; - mod_timer(&rdev->audio_timer, jiffies + 1); + if (rdev->audio_enabled) + mod_timer(&rdev->audio_timer, jiffies + 1); } /* @@ -266,7 +268,7 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock) */ void r600_audio_fini(struct radeon_device *rdev) { - if (!radeon_audio || !r600_audio_chipset_supported(rdev)) + if (!rdev->audio_enabled) return; del_timer(&rdev->audio_timer); |