Commit d6346ae0 authored by Jouni Högander's avatar Jouni Högander Committed by Jani Nikula
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drm/i915: Do not start connector polling on headless sku 



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.

v2: Move headless sku check into INTEL_DISPLAY_ENABLED macro

Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220610085429.52935-4-jouni.hogander@intel.com
parent 04770b08

drivers/gpu/drm/i915/i915_drv.h

+3 −1
Original line number Diff line number Diff line
@@ -1302,7 +1302,9 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, 


/* Only valid when HAS_DISPLAY() is true */

#define INTEL_DISPLAY_ENABLED(dev_priv) \

	(drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), !(dev_priv)->params.disable_display)

	(drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)),		\

	 !(dev_priv)->params.disable_display &&				\

	 !intel_opregion_headless_sku(dev_priv))



#define HAS_GUC_DEPRIVILEGE(dev_priv) \

	(INTEL_INFO(dev_priv)->has_guc_deprivilege)