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drm/radeon: only enable audio streams if the monitor supports it

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Selectively enable which packets we send based on monitor caps.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2015-04-07 10:20:49 -04:00
parent 0f55db36d4
commit 38aef1549b
2 changed files with 21 additions and 12 deletions
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6
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@ -1761,17 +1761,15 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
int encoder_mode = atombios_get_encoder_mode(encoder);
DRM_DEBUG_KMS("encoder dpms %d to mode %d, devices %08x, active_devices %08x\n",
radeon_encoder->encoder_id, mode, radeon_encoder->devices,
radeon_encoder->active_device);
if (connector && (radeon_audio != 0) &&
if ((radeon_audio != 0) &&
((encoder_mode == ATOM_ENCODER_MODE_HDMI) ||
(ENCODER_MODE_IS_DP(encoder_mode) &&
drm_detect_monitor_audio(radeon_connector_edid(connector)))))
ENCODER_MODE_IS_DP(encoder_mode)))
radeon_audio_dpms(encoder, mode);
switch (radeon_encoder->encoder_id) {

13
drivers/gpu/drm/radeon/evergreen_hdmi.c
View File

@ -398,6 +398,9 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
return;
if (enable) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT | /* required for audio info values to be updated */
@ -405,6 +408,13 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
AFMT_AUDIO_SAMPLE_SEND);
} else {
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
}
} else {
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
@ -423,11 +433,12 @@ void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (!dig || !dig->afmt)
return;
if (enable) {
if (enable && drm_detect_monitor_audio(radeon_connector_edid(connector))) {
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector;