From: Jouni Högander Date: Fri, 10 Jun 2022 08:54:29 +0000 (+0300) Subject: drm/i915: Do not start connector polling on headless sku X-Git-Tag: v6.1-rc5~176^2~17^2~122 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d6346ae0779ef9a41562f5357ac28aa6a69b1c81;p=platform%2Fkernel%2Flinux-starfive.git 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: Jouni Högander Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20220610085429.52935-4-jouni.hogander@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4ac8d63..2f69100 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -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)