diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-04-07 09:52:42 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-13 05:14:30 -0700 |
| commit | 016a255b7835ee7e49a3eba3c14ba0bc0221a4f8 (patch) | |
| tree | 643531d24fcd4e8f55ad82479f97d77195a64b1c /drivers/gpu | |
| parent | 29bf371b4aa8f45013427bbe1fdb5f75ffe5953d (diff) | |
drm/radeon: only mark audio as connected if the monitor supports it (v3)
commit 0f55db36d49d45b80eff0c0a2a498766016f458b upstream.
Otherwise the driver may try and send audio which may confuse the
monitor.
v2: set pin to NULL if no audio
v3: avoid crash with analog encoders
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_audio.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 8 |
2 files changed, 21 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index 515ece0d856f..b7d33a13db9f 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -460,30 +460,33 @@ void radeon_audio_detect(struct drm_connector *connector, if (!connector || !connector->encoder) return; + if (!radeon_encoder_is_digital(connector->encoder)) + return; + rdev = connector->encoder->dev->dev_private; radeon_encoder = to_radeon_encoder(connector->encoder); dig = radeon_encoder->enc_priv; - if (status == connector_status_connected) { - struct radeon_connector *radeon_connector; - int sink_type; - - if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) { - radeon_encoder->audio = NULL; - return; - } + if (!dig->afmt) + return; - radeon_connector = to_radeon_connector(connector); - sink_type = radeon_dp_getsinktype(radeon_connector); + if (status == connector_status_connected) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort && - sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) + radeon_dp_getsinktype(radeon_connector) == + CONNECTOR_OBJECT_ID_DISPLAYPORT) radeon_encoder->audio = rdev->audio.dp_funcs; else radeon_encoder->audio = rdev->audio.hdmi_funcs; dig->afmt->pin = radeon_audio_get_pin(connector->encoder); - radeon_audio_enable(rdev, dig->afmt->pin, 0xf); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + radeon_audio_enable(rdev, dig->afmt->pin, 0xf); + } else { + radeon_audio_enable(rdev, dig->afmt->pin, 0); + dig->afmt->pin = NULL; + } } else { radeon_audio_enable(rdev, dig->afmt->pin, 0); dig->afmt->pin = NULL; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 27def67cb6be..27973e3faf0e 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1333,8 +1333,10 @@ out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) + if (radeon_audio != 0) { + radeon_connector_get_edid(connector); radeon_audio_detect(connector, ret); + } exit: pm_runtime_mark_last_busy(connector->dev->dev); @@ -1659,8 +1661,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) + if (radeon_audio != 0) { + radeon_connector_get_edid(connector); radeon_audio_detect(connector, ret); + } out: pm_runtime_mark_last_busy(connector->dev->dev); |