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| author | Libin Yang <libin.yang@linux.intel.com> | 2015-12-02 09:09:44 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-12-10 12:00:46 +0300 |
| commit | 3d52ccf52f2c51f613e42e65be0f06e4e6788093 (patch) | |
| tree | f76a7bd592fe4acd4a2cfdd5f5d0ec9cfd1acc2b /drivers/gpu/drm/i915/intel_audio.c | |
| parent | ef8f9bea1368b89d0d6d1819025586ae0bea0612 (diff) | |
| download | linux-3d52ccf52f2c51f613e42e65be0f06e4e6788093.tar.xz | |
drm/i915: start adding dp mst audio
This patch adds support for DP MST audio in i915.
Enable audio codec when DP MST is enabled if has_audio flag is set.
Disable audio codec when DP MST is disabled if has_audio flag is set.
Another separated patches to support DP MST audio will be implemented
in audio driver.
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449036584-105393-2-git-send-email-libin.yang@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_audio.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 9aa83e71b792..5ad2e6624940 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -262,7 +262,8 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder) tmp |= AUD_CONFIG_N_PROG_ENABLE; tmp &= ~AUD_CONFIG_UPPER_N_MASK; tmp &= ~AUD_CONFIG_LOWER_N_MASK; - if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) || + intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST)) tmp |= AUD_CONFIG_N_VALUE_INDEX; I915_WRITE(HSW_AUD_CFG(pipe), tmp); @@ -474,7 +475,8 @@ static void ilk_audio_codec_enable(struct drm_connector *connector, tmp &= ~AUD_CONFIG_N_VALUE_INDEX; tmp &= ~AUD_CONFIG_N_PROG_ENABLE; tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK; - if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) || + intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST)) tmp |= AUD_CONFIG_N_VALUE_INDEX; else tmp |= audio_config_hdmi_pixel_clock(adjusted_mode); @@ -512,7 +514,8 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder) /* ELD Conn_Type */ connector->eld[5] &= ~(3 << 2); - if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || + intel_pipe_has_type(crtc, INTEL_OUTPUT_DP_MST)) connector->eld[5] |= (1 << 2); connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2; |