diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2026-07-02 10:14:57 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2026-07-03 15:35:15 +0300 |
| commit | fdd48cf3fcc4cbe4d2dfad038aa082658269cff1 (patch) | |
| tree | df33e65b74a7f32e16fceb83b3ea3e7528d960a2 | |
| parent | 402e84752c27e693b3ac40a438b2411c89a94454 (diff) | |
drm/xe/display: add xe_display_pm_runtime_resume_early()
Add new display runtime PM hook xe_display_pm_runtime_resume_early(), to
be called before IRQ resume. This is initially a no-op placeholder.
Add comments on the timing relative to irq suspend/resume to all the
runtime PM hooks.
v2: Add stub for CONFIG_DRM_XE_DISPLAY=n
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260702071457.2985893-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pm.c | 2 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 01b6501a204a..306c853dd07a 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -349,6 +349,7 @@ static void xe_display_disable_d3cold(struct xe_device *xe) intel_display_driver_runtime_pm_enable(display); } +/* before irq suspend */ void xe_display_pm_runtime_suspend(struct xe_device *xe) { struct intel_display *display = xe->display; @@ -364,6 +365,7 @@ void xe_display_pm_runtime_suspend(struct xe_device *xe) intel_hpd_poll_enable(display); } +/* after irq suspend */ void xe_display_pm_runtime_suspend_late(struct xe_device *xe) { struct intel_display *display = xe->display; @@ -382,6 +384,17 @@ void xe_display_pm_runtime_suspend_late(struct xe_device *xe) intel_dmc_wl_flush_release_work(display); } +/* before irq resume */ +void xe_display_pm_runtime_resume_early(struct xe_device *xe) +{ + if (!xe->info.probe_display) + return; + + if (xe->d3cold.allowed) + return; +} + +/* after irq resume */ void xe_display_pm_runtime_resume(struct xe_device *xe) { struct intel_display *display = xe->display; diff --git a/drivers/gpu/drm/xe/display/xe_display.h b/drivers/gpu/drm/xe/display/xe_display.h index e5f9aed93206..0babb50bfc77 100644 --- a/drivers/gpu/drm/xe/display/xe_display.h +++ b/drivers/gpu/drm/xe/display/xe_display.h @@ -43,6 +43,7 @@ void xe_display_pm_resume_early(struct xe_device *xe); void xe_display_pm_resume(struct xe_device *xe); void xe_display_pm_runtime_suspend(struct xe_device *xe); void xe_display_pm_runtime_suspend_late(struct xe_device *xe); +void xe_display_pm_runtime_resume_early(struct xe_device *xe); void xe_display_pm_runtime_resume(struct xe_device *xe); #define XE_DISPLAY_DRIVER_FEATURES (DRIVER_MODESET | DRIVER_ATOMIC) @@ -80,6 +81,7 @@ static inline void xe_display_pm_resume_early(struct xe_device *xe) {} static inline void xe_display_pm_resume(struct xe_device *xe) {} static inline void xe_display_pm_runtime_suspend(struct xe_device *xe) {} static inline void xe_display_pm_runtime_suspend_late(struct xe_device *xe) {} +static inline void xe_display_pm_runtime_resume_early(struct xe_device *xe) {} static inline void xe_display_pm_runtime_resume(struct xe_device *xe) {} #endif /* CONFIG_DRM_XE_DISPLAY */ diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index 99562f691080..a5289a9df8d2 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -700,6 +700,8 @@ int xe_pm_runtime_resume(struct xe_device *xe) if (xe->d3cold.allowed) xe_sysctrl_pm_resume(xe); + xe_display_pm_runtime_resume_early(xe); + xe_irq_resume(xe); for_each_gt(gt, xe, id) { |