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Revert "drm/i915: start adding dp mst audio" 

This reverts 'commit 3708d5e082 ("drm/i915: start adding dp mst audio")'
because it breaks MST multi-monitor setups on some platforms.

Fixes: 3708d5e082 ("drm/i915: start adding dp mst audio")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97907
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reported-by: Kim Lidström <kim@dxtr.im>
Cc: Libin Yang <libin.yang@linux.intel.com>
Cc: Lyude <cpaul@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1475132104-2754-1-git-send-email-dhinakaran.pandiyan@intel.com
This commit is contained in:
Dhinakaran Pandiyan 2016-09-28 23:55:04 -07:00 committed by Jani Nikula
parent 7d7f8633a8
commit be754b101f
4 changed files with 6 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -2889,20 +2889,6 @@ static void intel_dp_info(struct seq_file *m,
&intel_dp->aux);
}
static void intel_dp_mst_info(struct seq_file *m,
struct intel_connector *intel_connector)
{
struct intel_encoder *intel_encoder = intel_connector->encoder;
struct intel_dp_mst_encoder *intel_mst =
enc_to_mst(&intel_encoder->base);
struct intel_digital_port *intel_dig_port = intel_mst->primary;
struct intel_dp *intel_dp = &intel_dig_port->dp;
bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
intel_connector->port);
seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
}
static void intel_hdmi_info(struct seq_file *m,
struct intel_connector *intel_connector)
{
@ -2945,9 +2931,6 @@ static void intel_connector_info(struct seq_file *m,
switch (connector->connector_type) {
case DRM_MODE_CONNECTOR_DisplayPort:
case DRM_MODE_CONNECTOR_eDP:
if (intel_encoder->type == INTEL_OUTPUT_DP_MST)
intel_dp_mst_info(m, intel_connector);
else
intel_dp_info(m, intel_connector);
break;
case DRM_MODE_CONNECTOR_LVDS:

20
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -2227,19 +2227,6 @@ void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
udelay(600);
}
bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
struct intel_crtc *intel_crtc)
{
u32 temp;
if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) {
temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe))
return true;
}
return false;
}
void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
@ -2305,8 +2292,11 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
break;
}
pipe_config->has_audio =
intel_ddi_is_audio_enabled(dev_priv, intel_crtc);
if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) {
temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe))
pipe_config->has_audio = true;
}
if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.bpp &&
pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) {

18
drivers/gpu/drm/i915/intel_dp_mst.c
View File

@ -37,8 +37,6 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
struct intel_digital_port *intel_dig_port = intel_mst->primary;
struct intel_dp *intel_dp = &intel_dig_port->dp;
struct intel_connector *connector =
to_intel_connector(conn_state->connector);
struct drm_atomic_state *state;
int bpp;
int lane_count, slots;
@ -61,8 +59,6 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder,
state = pipe_config->base.state;
if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, connector->port))
pipe_config->has_audio = true;
mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp);
pipe_config->pbn = mst_pbn;
@ -88,7 +84,6 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder,
struct intel_dp *intel_dp = &intel_dig_port->dp;
struct intel_connector *connector =
to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
int ret;
DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links);
@ -99,10 +94,6 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder,
if (ret) {
DRM_ERROR("failed to update payload %d\n", ret);
}
if (old_crtc_state->has_audio) {
intel_audio_codec_disable(encoder);
intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);
}
}
static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
@ -215,12 +206,6 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
ret = drm_dp_check_act_status(&intel_dp->mst_mgr);
ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr);
if (pipe_config->has_audio) {
DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n",
pipe_name(intel_mst->pipe));
intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
intel_audio_codec_enable(encoder);
}
}
static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
@ -243,9 +228,6 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
u32 temp, flags = 0;
pipe_config->has_audio =
intel_ddi_is_audio_enabled(dev_priv, crtc);
temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
if (temp & TRANS_DDI_PHSYNC)
flags |= DRM_MODE_FLAG_PHSYNC;

2
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1156,8 +1156,6 @@ bool intel_ddi_pll_select(struct intel_crtc *crtc,
void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp);
bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
struct intel_crtc *intel_crtc);
void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config);
struct intel_encoder *