From 9cc63f8bcd560c760d0b12e15bba8f81c86237cf Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 14 Aug 2026 15:43:51 -0700 Subject: Merge branches 'expcb.2026.07.24a', 'misc.2026.07.30a', 'rcu-tasks.2026.07.30a', 'srcu.2026.08.11a' and 'torture.2026.08.14a' into HEAD Changes: Make expedited grace periods expedite normal RCU callbacks Miscellaneous fixes: * Improve diagnostic output with character task states. * Mark accesses to inform KCSAN of concurrency design. * Move from kmalloc() to kmalloc_obj(). * Documentation updates. * Improve handling of RCU deferred quiescent states. * Clean up unused function arguments and structure fields. * Reduce show_rcu_gp_kthreads() stack space. Tasks RCU updates: * Clean up after SRCU re-implementation of Tasks Trace RCU. * Mark accesses to inform KCSAN of concurrency design. * Add ->lazy_timer status to diagnostic output. * Remove an unnecessary memory barrier. * Fix a data race, courtesy of KCSAN. * Documentation updates. * Convert cond_resched_tasks_rcu_qs() from macro to static inline function. SRCU updates: * Add Rust helpers for SRCU. * Avoid losing queued work at cleanup_srcu_struct() time. Torture-test updates: * Preparation work for immediate RCU priority deboosting. * Test RCU readers from real interrupt handlers (as opposed to softirq). * Simplify code through use of cpumask_next_wrap(). * Improve diagnostic output with character task states. * Add rcutorture.nwriters parameter to allow lightweight stall testing, and rcutorture.stall_only to make doing so easier. * Test an RCU Tasks Trace grace period implying an RCU grace period. * Make RCU Tasks Trace torturing track reader batches. * Fix a data race, courtesy of KCSAN. * Plug a shuffle_tmp_mask memory leak on kthread spawn failure. --- include/drm/drm_utils.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 include/drm/drm_utils.h (limited to 'include/drm/drm_utils.h') diff --git a/include/drm/drm_utils.h b/include/drm/drm_utils.h new file mode 100644 index 000000000..6a46f755d --- /dev/null +++ b/include/drm/drm_utils.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Function prototypes for misc. drm utility functions. + * Specifically this file is for function prototypes for functions which + * may also be used outside of drm code (e.g. in fbdev drivers). + * + * Copyright (C) 2017 Hans de Goede + */ + +#ifndef __DRM_UTILS_H__ +#define __DRM_UTILS_H__ + +#include + +struct drm_edid; + +int drm_get_panel_orientation_quirk(int width, int height); + +struct drm_panel_backlight_quirk { + u16 min_brightness; + u32 brightness_mask; +}; + +const struct drm_panel_backlight_quirk * +drm_get_panel_backlight_quirk(const struct drm_edid *edid); + +signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec); + +#endif -- cgit v1.3.1