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| author | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
| commit | 0f69403d2535ffc7200a8414cf3ca66a49b0d741 (patch) | |
| tree | 3ce85dd08359ea872aa8fb9bd12072efdb80a787 /drivers/gpu/drm/i915/display/intel_hotplug.c | |
| parent | 580fbdc5136822208f107500682e50a1cb232e94 (diff) | |
| parent | 0a19b068acc47d05212f03e494381926dc0381e2 (diff) | |
| download | linux-0f69403d2535ffc7200a8414cf3ca66a49b0d741.tar.xz | |
Merge drm/drm-next into drm-intel-next-queued
Catch up with upstream, in particular to get c1e8d7c6a7a6 ("mmap locking
API: convert mmap_sem comments").
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hotplug.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index d794dd5f170c..2e94c1413c02 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -356,6 +356,24 @@ static void i915_digport_work_func(struct work_struct *work) } } +/** + * intel_hpd_trigger_irq - trigger an hpd irq event for a port + * @dig_port: digital port + * + * Trigger an HPD interrupt event for the given port, emulating a short pulse + * generated by the sink, and schedule the dig port work to handle it. + */ +void intel_hpd_trigger_irq(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + + spin_lock_irq(&i915->irq_lock); + i915->hotplug.short_port_mask |= BIT(dig_port->base.port); + spin_unlock_irq(&i915->irq_lock); + + queue_work(i915->hotplug.dp_wq, &i915->hotplug.dig_port_work); +} + /* * Handle hotplug events outside the interrupt handler proper. */ |