From 131acec1ce8b6b976cd620e3443163cb752b8e42 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 2 Jun 2026 11:32:48 +0300 Subject: [PATCH] drm/{i915,xe}: add intel_display_driver_shutdown_late() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add new function intel_display_driver_shutdown_late() to be called "later" in the struct pci_driver .shutdown hook. There's a slight functional change in that intel_display_driver_shutdown_late() returns early for !HAS_DISPLAY(). Assume this is what we want, and there are no cases where display engine is present but all pipes have been fused off. Reviewed-by: Ville Syrjälä Link: https://patch.msgid.link/d200966191a3845e6b9586d20884e285670734d1.1780389001.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_display_driver.c | 13 +++++++++++++ drivers/gpu/drm/i915/display/intel_display_driver.h | 1 + drivers/gpu/drm/i915/i915_driver.c | 7 ++----- drivers/gpu/drm/xe/display/xe_display.c | 7 +------ 4 files changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c index 77fa4497b442..0326a292ee1e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_driver.c +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c @@ -675,6 +675,19 @@ void intel_display_driver_unregister(struct intel_display *display) intel_vga_unregister(display); } +void intel_display_driver_shutdown_late(struct intel_display *display) +{ + if (!HAS_DISPLAY(display)) + return; + + /* + * The only requirement is to reboot with display DC states disabled, + * for now leaving all display power wells in the INIT power domain + * enabled. + */ + intel_display_power_driver_remove(display); +} + /* * turn all crtc's off, but do not adjust state * This has to be paired with a call to intel_modeset_setup_hw_state. diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.h b/drivers/gpu/drm/i915/display/intel_display_driver.h index adfde02465ea..61515577758b 100644 --- a/drivers/gpu/drm/i915/display/intel_display_driver.h +++ b/drivers/gpu/drm/i915/display/intel_display_driver.h @@ -24,6 +24,7 @@ void intel_display_driver_remove(struct intel_display *display); void intel_display_driver_remove_noirq(struct intel_display *display); void intel_display_driver_remove_nogem(struct intel_display *display); void intel_display_driver_unregister(struct intel_display *display); +void intel_display_driver_shutdown_late(struct intel_display *display); int intel_display_driver_pm_suspend(struct intel_display *display); void intel_display_driver_pm_suspend_late(struct intel_display *display, bool s2idle); diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 6fd3e8b155b1..99fa42561989 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -1075,17 +1075,14 @@ void i915_driver_shutdown(struct drm_i915_private *i915) i915_gem_suspend(i915); /* - * The only requirement is to reboot with display DC states disabled, - * for now leaving all display power wells in the INIT power domain - * enabled. - * * TODO: * - unify the pci_driver::shutdown sequence here with the * pci_driver.driver.pm.poweroff,poweroff_late sequence. * - unify the driver remove and system/runtime suspend sequences with * the above unified shutdown/poweroff sequence. */ - intel_display_power_driver_remove(display); + + intel_display_driver_shutdown_late(display); enable_rpm_wakeref_asserts(&i915->runtime_pm); intel_runtime_pm_driver_last_release(&i915->runtime_pm); diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 066f7f18b91e..f1a84f5ced48 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -242,12 +242,7 @@ void xe_display_shutdown_late(struct xe_device *xe) if (!xe->info.probe_display) return; - /* - * The only requirement is to reboot with display DC states disabled, - * for now leaving all display power wells in the INIT power domain - * enabled. - */ - intel_display_power_driver_remove(display); + intel_display_driver_shutdown_late(display); } /* IRQ-related functions */