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drm/i915: Rewrite mst suspend/resume in terms of encoders

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Rather than looping over all the ports and picking the encoder based on
the port, let's just loop over all the encoders instead. Gets rid of
some irq_port[] usage, which is a bit of an eye sore.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180705164357.28512-4-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2018-07-05 19:43:52 +03:00
parent 4ef03f8354
commit 1a4313d13b
3 changed files with 28 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/i915/i915_drv.c
View File

@ -1586,7 +1586,7 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_display_suspend(dev);
intel_dp_mst_suspend(dev);
intel_dp_mst_suspend(dev_priv);
intel_runtime_pm_disable_interrupts(dev_priv);
intel_hpd_cancel_work(dev_priv);
@ -1751,7 +1751,7 @@ static int i915_drm_resume(struct drm_device *dev)
dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
intel_dp_mst_resume(dev);
intel_dp_mst_resume(dev_priv);
intel_display_resume(dev);

41
drivers/gpu/drm/i915/intel_dp.c
View File

@ -6483,37 +6483,44 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
return false;
}
void intel_dp_mst_suspend(struct drm_device *dev)
void intel_dp_mst_suspend(struct drm_i915_private *dev_priv)
{
struct drm_i915_private *dev_priv = to_i915(dev);
int i;
struct intel_encoder *encoder;
/* disable MST */
for (i = 0; i < I915_MAX_PORTS; i++) {
struct intel_digital_port *intel_dig_port = dev_priv->hotplug.irq_port[i];
for_each_intel_encoder(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp;
if (!intel_dig_port || !intel_dig_port->dp.can_mst)
if (encoder->type != INTEL_OUTPUT_DDI)
continue;
if (intel_dig_port->dp.is_mst)
drm_dp_mst_topology_mgr_suspend(&intel_dig_port->dp.mst_mgr);
intel_dp = enc_to_intel_dp(&encoder->base);
if (!intel_dp->can_mst)
continue;
if (intel_dp->is_mst)
drm_dp_mst_topology_mgr_suspend(&intel_dp->mst_mgr);
}
}
void intel_dp_mst_resume(struct drm_device *dev)
void intel_dp_mst_resume(struct drm_i915_private *dev_priv)
{
struct drm_i915_private *dev_priv = to_i915(dev);
int i;
struct intel_encoder *encoder;
for (i = 0; i < I915_MAX_PORTS; i++) {
struct intel_digital_port *intel_dig_port = dev_priv->hotplug.irq_port[i];
for_each_intel_encoder(&dev_priv->drm, encoder) {
struct intel_dp *intel_dp;
int ret;
if (!intel_dig_port || !intel_dig_port->dp.can_mst)
if (encoder->type != INTEL_OUTPUT_DDI)
continue;
ret = drm_dp_mst_topology_mgr_resume(&intel_dig_port->dp.mst_mgr);
intel_dp = enc_to_intel_dp(&encoder->base);
if (!intel_dp->can_mst)
continue;
ret = drm_dp_mst_topology_mgr_resume(&intel_dp->mst_mgr);
if (ret)
intel_dp_check_mst_status(&intel_dig_port->dp);
intel_dp_check_mst_status(intel_dp);
}
}

4
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1698,8 +1698,8 @@ void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
void intel_edp_panel_on(struct intel_dp *intel_dp);
void intel_edp_panel_off(struct intel_dp *intel_dp);
void intel_dp_mst_suspend(struct drm_device *dev);
void intel_dp_mst_resume(struct drm_device *dev);
void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
int intel_dp_max_link_rate(struct intel_dp *intel_dp);
int intel_dp_max_lane_count(struct intel_dp *intel_dp);
int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);