| Message ID | 20220603101411.3087789-3-jouni.hogander@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Disable connector polling for a headless sku | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 8204126d17f9..555278ec7667 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -668,7 +668,8 @@ static void i915_hpd_poll_init_work(struct work_struct *work) */ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv) { - if (!HAS_DISPLAY(dev_priv)) + if (!HAS_DISPLAY(dev_priv) || + intel_opregion_headless_sku(dev_priv)) return; WRITE_ONCE(dev_priv->hotplug.poll_enabled, true);
Connector polling is waking up the polled device. Polling is unnecessary if our device is known to not have display. Fix this and Save some power by disabling starting connector polling when we are having headless sku. Use information from opregion. Signed-off-by: Jouni Högander <jouni.hogander@intel.com> --- drivers/gpu/drm/i915/display/intel_hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)