leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/radeon/audio: don't enable packets until the end

Browse Source 
Don't enable the audio and avi infoframes and audio stream
until all the state is set up.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2015-03-31 11:43:12 -04:00
parent 12428327bb
commit 362ff25139
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/gpu/drm/radeon/evergreen_hdmi.c
View File

@ -222,10 +222,6 @@ void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
WREG32_P(HDMI_INFOFRAME_CONTROL1 + offset,
HDMI_AVI_INFO_LINE(2), /* anything other than 0 */
~HDMI_AVI_INFO_LINE_MASK);
WREG32_OR(HDMI_INFOFRAME_CONTROL0 + offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */
}
void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
@ -370,9 +366,13 @@ void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset)
WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset,
AFMT_AUDIO_CHANNEL_ENABLE(0xff));
WREG32(HDMI_AUDIO_PACKET_CONTROL + offset,
HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */
HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
/* allow 60958 channel status and send audio packets fields to be updated */
WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
AFMT_AUDIO_SAMPLE_SEND | AFMT_RESET_FIFO_WHEN_AUDIO_DIS | AFMT_60958_CS_UPDATE);
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + offset,
AFMT_RESET_FIFO_WHEN_AUDIO_DIS | AFMT_60958_CS_UPDATE);
}
@ -398,17 +398,16 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
return;
if (enable) {
WREG32(HDMI_INFOFRAME_CONTROL1 + dig->afmt->offset,
HDMI_AUDIO_INFO_LINE(2)); /* anything other than 0 */
WREG32(HDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset,
HDMI_AUDIO_DELAY_EN(1) | /* set the default audio delay */
HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
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 */
HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
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_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
WREG32(HDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, 0);
}
@ -434,6 +433,9 @@ void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
struct radeon_connector_atom_dig *dig_connector;
uint32_t val;
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
AFMT_AUDIO_SAMPLE_SEND);
WREG32(EVERGREEN_DP_SEC_TIMESTAMP + dig->afmt->offset,
EVERGREEN_DP_SEC_TIMESTAMP_MODE(1));
@ -457,6 +459,8 @@ void evergreen_dp_enable(struct drm_encoder *encoder, bool enable)
EVERGREEN_DP_SEC_STREAM_ENABLE); /* Master enable for secondary stream engine */
} else {
WREG32(EVERGREEN_DP_SEC_CNTL + dig->afmt->offset, 0);
WREG32_AND(AFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset,
~AFMT_AUDIO_SAMPLE_SEND);
}
dig->afmt->enabled = enable;