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. --- drivers/video/fbdev/mmp/Kconfig | 12 + drivers/video/fbdev/mmp/Makefile | 4 + drivers/video/fbdev/mmp/core.c | 239 ++++ drivers/video/fbdev/mmp/fb/Kconfig | 8 + drivers/video/fbdev/mmp/fb/Makefile | 2 + drivers/video/fbdev/mmp/fb/mmpfb.c | 661 ++++++++++ drivers/video/fbdev/mmp/fb/mmpfb.h | 41 + drivers/video/fbdev/mmp/hw/Kconfig | 17 + drivers/video/fbdev/mmp/hw/Makefile | 3 + drivers/video/fbdev/mmp/hw/mmp_ctrl.c | 577 +++++++++ drivers/video/fbdev/mmp/hw/mmp_ctrl.h | 1456 +++++++++++++++++++++++ drivers/video/fbdev/mmp/hw/mmp_spi.c | 167 +++ drivers/video/fbdev/mmp/panel/Kconfig | 6 + drivers/video/fbdev/mmp/panel/Makefile | 2 + drivers/video/fbdev/mmp/panel/tpo_tj032md01bw.c | 172 +++ 15 files changed, 3367 insertions(+) create mode 100644 drivers/video/fbdev/mmp/Kconfig create mode 100644 drivers/video/fbdev/mmp/Makefile create mode 100644 drivers/video/fbdev/mmp/core.c create mode 100644 drivers/video/fbdev/mmp/fb/Kconfig create mode 100644 drivers/video/fbdev/mmp/fb/Makefile create mode 100644 drivers/video/fbdev/mmp/fb/mmpfb.c create mode 100644 drivers/video/fbdev/mmp/fb/mmpfb.h create mode 100644 drivers/video/fbdev/mmp/hw/Kconfig create mode 100644 drivers/video/fbdev/mmp/hw/Makefile create mode 100644 drivers/video/fbdev/mmp/hw/mmp_ctrl.c create mode 100644 drivers/video/fbdev/mmp/hw/mmp_ctrl.h create mode 100644 drivers/video/fbdev/mmp/hw/mmp_spi.c create mode 100644 drivers/video/fbdev/mmp/panel/Kconfig create mode 100644 drivers/video/fbdev/mmp/panel/Makefile create mode 100644 drivers/video/fbdev/mmp/panel/tpo_tj032md01bw.c (limited to 'drivers/video/fbdev/mmp') diff --git a/drivers/video/fbdev/mmp/Kconfig b/drivers/video/fbdev/mmp/Kconfig new file mode 100644 index 000000000..5c6cc97c9 --- /dev/null +++ b/drivers/video/fbdev/mmp/Kconfig @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0-only +menuconfig MMP_DISP + tristate "Marvell MMP Display Subsystem support" + depends on CPU_PXA910 || CPU_MMP2 || COMPILE_TEST + help + Marvell Display Subsystem support. + +if MMP_DISP +source "drivers/video/fbdev/mmp/hw/Kconfig" +source "drivers/video/fbdev/mmp/panel/Kconfig" +source "drivers/video/fbdev/mmp/fb/Kconfig" +endif diff --git a/drivers/video/fbdev/mmp/Makefile b/drivers/video/fbdev/mmp/Makefile new file mode 100644 index 000000000..84204c04e --- /dev/null +++ b/drivers/video/fbdev/mmp/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_MMP_DISP) += mmp_disp.o hw/ panel/ fb/ + +mmp_disp-y += core.o diff --git a/drivers/video/fbdev/mmp/core.c b/drivers/video/fbdev/mmp/core.c new file mode 100644 index 000000000..3c35b0a3e --- /dev/null +++ b/drivers/video/fbdev/mmp/core.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * linux/drivers/video/mmp/common.c + * This driver is a common framework for Marvell Display Controller + * + * Copyright (C) 2012 Marvell Technology Group Ltd. + * Authors: Zhou Zhu + */ + +#include +#include +#include +#include +#include