Expose the HPD polling state so the runtime resume path can tell whether polling was enabled on suspend.
Assisted-by: GitHub_Copilot:claude-opus-5 Signed-off-by: Vinod Govindapillai <[email protected]> --- drivers/gpu/drm/i915/display/intel_hotplug.c | 11 +++++++++++ drivers/gpu/drm/i915/display/intel_hotplug.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 970aa95ee344..cc3aabbff687 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -932,6 +932,17 @@ void intel_hpd_poll_fini(struct intel_display *display) drm_connector_list_iter_end(&conn_iter); } +/** + * intel_hpd_polling_enabled - check if HPD polling is enabled + * @display: display device instance + * + * Returns true if HPD polling is currently enabled. + */ +bool intel_hpd_polling_enabled(struct intel_display *display) +{ + return READ_ONCE(display->hotplug.poll_enabled); +} + void intel_hpd_init_early(struct intel_display *display) { INIT_DELAYED_WORK(&display->hotplug.hotplug_work, diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h index edc41c9d3d65..b17fdeb808ca 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.h +++ b/drivers/gpu/drm/i915/display/intel_hotplug.h @@ -17,6 +17,7 @@ struct intel_encoder; void intel_hpd_poll_enable(struct intel_display *display); void intel_hpd_poll_disable(struct intel_display *display); void intel_hpd_poll_fini(struct intel_display *display); +bool intel_hpd_polling_enabled(struct intel_display *display); enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, struct intel_connector *connector); void intel_hpd_irq_handler(struct intel_display *display, -- 2.43.0
