kernel 6.8.9

20 files changed, 378 insertions, 84 deletions

diff --git a/SOURCES/Patchlist.changelog b/SOURCES/Patchlist.changelog
index cb33f64..3f72814 100644
--- a/SOURCES/Patchlist.changelog
+++ b/SOURCES/Patchlist.changelog
@@ -1,3 +1,12 @@
+"https://gitlab.com/cki-project/kernel-ark/-/commit"/21b019ce62997d78fe5e42f4a04b64cd9d9b11b8
+ 21b019ce62997d78fe5e42f4a04b64cd9d9b11b8 drm/nouveau/dp: Don't probe eDP ports twice harder
+
+"https://gitlab.com/cki-project/kernel-ark/-/commit"/fb6f1f07d22bc6bac44c87e7623cf252e8c57473
+ fb6f1f07d22bc6bac44c87e7623cf252e8c57473 drm/nouveau/kms/nv50-: Disable AUX bus for disconnected DP ports
+
+"https://gitlab.com/cki-project/kernel-ark/-/commit"/5122018da124756713dfe49cad50a7653ade7bf0
+ 5122018da124756713dfe49cad50a7653ade7bf0 drm/dp: Don't attempt AUX transfers when eDP panels are not powered
+
 "https://gitlab.com/cki-project/kernel-ark/-/commit"/e56840b5f971b4d0f4032f6f5ab95c0c5ba40f8e
  e56840b5f971b4d0f4032f6f5ab95c0c5ba40f8e nouveau: fix devinit paths to only handle display on GSP.
 
diff --git a/SOURCES/cachy-bore.patch b/SOURCES/cachy-bore.patch
index 711ded8..4437383 100644
--- a/SOURCES/cachy-bore.patch
+++ b/SOURCES/cachy-bore.patch
@@ -1,18 +1,18 @@
-From c75c12077f2f8dfa7c763f434f746727b8a3b9e6 Mon Sep 17 00:00:00 2001
+From eadef3d0f478dc82de92a71a2a5c9cd1874ea4e8 Mon Sep 17 00:00:00 2001
 From: Piotr Gorski <lucjan.lucjanov@gmail.com>
-Date: Tue, 26 Mar 2024 08:10:41 +0100
+Date: Mon, 29 Apr 2024 21:26:00 +0200
 Subject: [PATCH] bore
 
 Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
 ---
  include/linux/sched.h   |  10 ++
- init/Kconfig            |  17 ++++
- kernel/sched/core.c     | 144 ++++++++++++++++++++++++++
- kernel/sched/debug.c    |  60 ++++++++++-
- kernel/sched/fair.c     | 218 +++++++++++++++++++++++++++++++++++++++-
- kernel/sched/features.h |   4 +
+ init/Kconfig            |  17 +++
+ kernel/sched/core.c     | 143 +++++++++++++++++++++
+ kernel/sched/debug.c    |  60 ++++++++-
+ kernel/sched/fair.c     | 272 +++++++++++++++++++++++++++++++++++++---
+ kernel/sched/features.h |  20 ++-
  kernel/sched/sched.h    |   7 ++
- 7 files changed, 457 insertions(+), 3 deletions(-)
+ 7 files changed, 512 insertions(+), 17 deletions(-)
 
 diff --git a/include/linux/sched.h b/include/linux/sched.h
 index ffe8f618a..0ab0b0424 100644
@@ -36,7 +36,7 @@ index ffe8f618a..0ab0b0424 100644
  	u64				slice;
  
 diff --git a/init/Kconfig b/init/Kconfig
-index bee58f746..13427dbb4 100644
+index c8a155cf7..874bd0158 100644
 --- a/init/Kconfig
 +++ b/init/Kconfig
 @@ -1279,6 +1279,23 @@ config CHECKPOINT_RESTORE
@@ -64,15 +64,14 @@ index bee58f746..13427dbb4 100644
  	bool "Automatic process group scheduling"
  	select CGROUPS
 diff --git a/kernel/sched/core.c b/kernel/sched/core.c
-index 9116bcc90..fc3d7b48e 100644
+index 9116bcc90..a38919fe8 100644
 --- a/kernel/sched/core.c
 +++ b/kernel/sched/core.c
-@@ -4507,6 +4507,139 @@ int wake_up_state(struct task_struct *p, unsigned int state)
+@@ -4507,6 +4507,138 @@ int wake_up_state(struct task_struct *p, unsigned int state)
  	return try_to_wake_up(p, state, 0);
  }
  
 +#ifdef CONFIG_SCHED_BORE
-+extern bool sched_bore;
 +extern u8   sched_burst_fork_atavistic;
 +extern uint sched_burst_cache_lifetime;
 +
@@ -207,7 +206,7 @@ index 9116bcc90..fc3d7b48e 100644
  /*
   * Perform scheduler related setup for a newly forked process p.
   * p is forked by current.
-@@ -4523,6 +4656,9 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p)
+@@ -4523,6 +4655,9 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p)
  	p->se.prev_sum_exec_runtime	= 0;
  	p->se.nr_migrations		= 0;
  	p->se.vruntime			= 0;
@@ -217,7 +216,7 @@ index 9116bcc90..fc3d7b48e 100644
  	p->se.vlag			= 0;
  	p->se.slice			= sysctl_sched_base_slice;
  	INIT_LIST_HEAD(&p->se.group_node);
-@@ -4839,6 +4975,9 @@ void sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs)
+@@ -4839,6 +4974,9 @@ void sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs)
  
  void sched_post_fork(struct task_struct *p)
  {
@@ -227,13 +226,13 @@ index 9116bcc90..fc3d7b48e 100644
  	uclamp_post_fork(p);
  }
  
-@@ -9910,6 +10049,11 @@ void __init sched_init(void)
+@@ -9910,6 +10048,11 @@ void __init sched_init(void)
  	BUG_ON(&dl_sched_class != &stop_sched_class + 1);
  #endif
  
 +#ifdef CONFIG_SCHED_BORE
 +	sched_init_bore();
-+	printk(KERN_INFO "BORE (Burst-Oriented Response Enhancer) CPU Scheduler modification 5.0.3 by Masahito Suzuki");
++	printk(KERN_INFO "BORE (Burst-Oriented Response Enhancer) CPU Scheduler modification 5.2.0 by Masahito Suzuki");
 +#endif // CONFIG_SCHED_BORE
 +
  	wait_bit_init();
@@ -347,7 +346,7 @@ index 8d5d98a58..b17861261 100644
  	P(se.avg.runnable_sum);
  	P(se.avg.util_sum);
 diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
-index 533547e3c..ae55f46a8 100644
+index aee5e7a70..d6824d030 100644
 --- a/kernel/sched/fair.c
 +++ b/kernel/sched/fair.c
 @@ -19,6 +19,9 @@
@@ -360,7 +359,7 @@ index 533547e3c..ae55f46a8 100644
   */
  #include <linux/energy_model.h>
  #include <linux/mmap_lock.h>
-@@ -64,20 +67,126 @@
+@@ -64,20 +67,125 @@
   *   SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
   *   SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
   *
@@ -400,7 +399,6 @@ index 533547e3c..ae55f46a8 100644
 +u8   __read_mostly sched_burst_penalty_offset   = 22;
 +uint __read_mostly sched_burst_penalty_scale    = 1280;
 +uint __read_mostly sched_burst_cache_lifetime   = 60000000;
-+static int __maybe_unused thirty_two     = 32;
 +static int __maybe_unused sixty_four     = 64;
 +static int __maybe_unused maxval_12_bits = 4095;
 +
@@ -489,7 +487,7 @@ index 533547e3c..ae55f46a8 100644
  int sched_thermal_decay_shift;
  static int __init setup_sched_thermal_decay_shift(char *str)
  {
-@@ -137,6 +246,69 @@ static unsigned int sysctl_numa_balancing_promote_rate_limit = 65536;
+@@ -137,6 +245,69 @@ static unsigned int sysctl_numa_balancing_promote_rate_limit = 65536;
  
  #ifdef CONFIG_SYSCTL
  static struct ctl_table sched_fair_sysctls[] = {
@@ -559,7 +557,7 @@ index 533547e3c..ae55f46a8 100644
  #ifdef CONFIG_CFS_BANDWIDTH
  	{
  		.procname       = "sched_cfs_bandwidth_slice_us",
-@@ -195,6 +367,13 @@ static inline void update_load_set(struct load_weight *lw, unsigned long w)
+@@ -195,6 +366,13 @@ static inline void update_load_set(struct load_weight *lw, unsigned long w)
   *
   * This idea comes from the SD scheduler of Con Kolivas:
   */
@@ -573,7 +571,7 @@ index 533547e3c..ae55f46a8 100644
  static unsigned int get_update_sysctl_factor(void)
  {
  	unsigned int cpus = min_t(unsigned int, num_online_cpus(), 8);
-@@ -225,6 +404,7 @@ static void update_sysctl(void)
+@@ -225,6 +403,7 @@ static void update_sysctl(void)
  	SET_SYSCTL(sched_base_slice);
  #undef SET_SYSCTL
  }
@@ -581,17 +579,93 @@ index 533547e3c..ae55f46a8 100644
  
  void __init sched_init_granularity(void)
  {
-@@ -704,6 +884,9 @@ static void update_entity_lag(struct cfs_rq *cfs_rq, struct sched_entity *se)
- 	lag = avg_vruntime(cfs_rq) - se->vruntime;
+@@ -702,6 +881,9 @@ static s64 entity_lag(u64 avruntime, struct sched_entity *se)
  
+ 	vlag = avruntime - se->vruntime;
  	limit = calc_delta_fair(max_t(u64, 2*se->slice, TICK_NSEC), se);
 +#ifdef CONFIG_SCHED_BORE
 +	limit >>= 1;
 +#endif // CONFIG_SCHED_BORE
- 	se->vlag = clamp(lag, -limit, limit);
+ 
+ 	return clamp(vlag, -limit, limit);
+ }
+@@ -862,6 +1044,39 @@ struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq)
+ 	return __node_2_se(left);
  }
  
-@@ -955,6 +1138,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
++static inline bool pick_curr(struct cfs_rq *cfs_rq,
++			     struct sched_entity *curr, struct sched_entity *wakee)
++{
++	/*
++	 * Nothing to preserve...
++	 */
++	if (!curr || !sched_feat(RESPECT_SLICE))
++		return false;
++
++	/*
++	 * Allow preemption at the 0-lag point -- even if not all of the slice
++	 * is consumed. Note: placement of positive lag can push V left and render
++	 * @curr instantly ineligible irrespective the time on-cpu.
++	 */
++	if (sched_feat(RUN_TO_PARITY) && !entity_eligible(cfs_rq, curr))
++		return false;
++
++	/*
++	 * Don't preserve @curr when the @wakee has a shorter slice and earlier
++	 * deadline. IOW, explicitly allow preemption.
++	 */
++	if (sched_feat(PREEMPT_SHORT) && wakee &&
++	    wakee->slice < curr->slice &&
++	    (s64)(wakee->deadline - curr->deadline) < 0)
++		return false;
++
++	/*
++	 * Preserve @curr to allow it to finish its first slice.
++	 * See the HACK in set_next_entity().
++	 */
++	return curr->vlag == curr->deadline;
++}
++
+ /*
+  * Earliest Eligible Virtual Deadline First
+  *
+@@ -881,28 +1096,27 @@ struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq)
+  *
+  * Which allows tree pruning through eligibility.
+  */
+-static struct sched_entity *pick_eevdf(struct cfs_rq *cfs_rq)
++static struct sched_entity *pick_eevdf(struct cfs_rq *cfs_rq, struct sched_entity *wakee)
+ {
+ 	struct rb_node *node = cfs_rq->tasks_timeline.rb_root.rb_node;
+ 	struct sched_entity *se = __pick_first_entity(cfs_rq);
+ 	struct sched_entity *curr = cfs_rq->curr;
+ 	struct sched_entity *best = NULL;
+ 
++	if (curr && !curr->on_rq)
++		curr = NULL;
++
+ 	/*
+ 	 * We can safely skip eligibility check if there is only one entity
+ 	 * in this cfs_rq, saving some cycles.
+ 	 */
+ 	if (cfs_rq->nr_running == 1)
+-		return curr && curr->on_rq ? curr : se;
+-
+-	if (curr && (!curr->on_rq || !entity_eligible(cfs_rq, curr)))
+-		curr = NULL;
++		return curr ?: se;
+ 
+ 	/*
+-	 * Once selected, run a task until it either becomes non-eligible or
+-	 * until it gets a new slice. See the HACK in set_next_entity().
++	 * Preserve @curr to let it finish its slice.
+ 	 */
+-	if (sched_feat(RUN_TO_PARITY) && curr && curr->vlag == curr->deadline)
++	if (pick_curr(cfs_rq, curr, wakee))
+ 		return curr;
+ 
+ 	/* Pick the leftmost entity if it's eligible */
+@@ -961,6 +1175,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
   * Scheduling class statistics methods:
   */
  #ifdef CONFIG_SMP
@@ -599,7 +673,7 @@ index 533547e3c..ae55f46a8 100644
  int sched_update_scaling(void)
  {
  	unsigned int factor = get_update_sysctl_factor();
-@@ -966,6 +1150,7 @@ int sched_update_scaling(void)
+@@ -972,6 +1187,7 @@ int sched_update_scaling(void)
  
  	return 0;
  }
@@ -607,7 +681,7 @@ index 533547e3c..ae55f46a8 100644
  #endif
  #endif
  
-@@ -1165,7 +1350,13 @@ static void update_curr(struct cfs_rq *cfs_rq)
+@@ -1171,7 +1387,13 @@ static void update_curr(struct cfs_rq *cfs_rq)
  	if (unlikely(delta_exec <= 0))
  		return;
  
@@ -621,7 +695,7 @@ index 533547e3c..ae55f46a8 100644
  	update_deadline(cfs_rq, curr);
  	update_min_vruntime(cfs_rq);
  
-@@ -5171,6 +5362,9 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
+@@ -5177,6 +5399,9 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
  	 *
  	 * EEVDF: placement strategy #1 / #2
  	 */
@@ -631,7 +705,16 @@ index 533547e3c..ae55f46a8 100644
  	if (sched_feat(PLACE_LAG) && cfs_rq->nr_running) {
  		struct sched_entity *curr = cfs_rq->curr;
  		unsigned long load;
-@@ -6803,6 +6997,14 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
+@@ -5466,7 +5691,7 @@ pick_next_entity(struct cfs_rq *cfs_rq)
+ 	    cfs_rq->next && entity_eligible(cfs_rq, cfs_rq->next))
+ 		return cfs_rq->next;
+ 
+-	return pick_eevdf(cfs_rq);
++	return pick_eevdf(cfs_rq, NULL);
+ }
+ 
+ static bool check_cfs_rq_runtime(struct cfs_rq *cfs_rq);
+@@ -6809,6 +7034,14 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
  	bool was_sched_idle = sched_idle_rq(rq);
  
  	util_est_dequeue(&rq->cfs, p);
@@ -646,7 +729,19 @@ index 533547e3c..ae55f46a8 100644
  
  	for_each_sched_entity(se) {
  		cfs_rq = cfs_rq_of(se);
-@@ -8552,16 +8754,25 @@ static void yield_task_fair(struct rq *rq)
+@@ -8343,10 +8576,7 @@ static void check_preempt_wakeup_fair(struct rq *rq, struct task_struct *p, int
+ 	cfs_rq = cfs_rq_of(se);
+ 	update_curr(cfs_rq);
+ 
+-	/*
+-	 * XXX pick_eevdf(cfs_rq) != se ?
+-	 */
+-	if (pick_eevdf(cfs_rq) == pse)
++	if (pick_eevdf(cfs_rq, pse) == pse)
+ 		goto preempt;
+ 
+ 	return;
+@@ -8564,16 +8794,25 @@ static void yield_task_fair(struct rq *rq)
  	/*
  	 * Are we the only task in the tree?
  	 */
@@ -672,7 +767,7 @@ index 533547e3c..ae55f46a8 100644
  	/*
  	 * Tell update_rq_clock() that we've just updated,
  	 * so we don't do microscopic update in schedule()
-@@ -12651,6 +12862,9 @@ static void task_fork_fair(struct task_struct *p)
+@@ -12663,6 +12902,9 @@ static void task_fork_fair(struct task_struct *p)
  	curr = cfs_rq->curr;
  	if (curr)
  		update_curr(cfs_rq);
@@ -683,26 +778,42 @@ index 533547e3c..ae55f46a8 100644
  	rq_unlock(rq, &rf);
  }
 diff --git a/kernel/sched/features.h b/kernel/sched/features.h
-index 143f55df8..3f0fe409f 100644
+index 143f55df8..bfeb9f653 100644
 --- a/kernel/sched/features.h
 +++ b/kernel/sched/features.h
-@@ -6,7 +6,11 @@
+@@ -5,8 +5,26 @@
+  * sleep+wake cycles. EEVDF placement strategy #1, #2 if disabled.
   */
  SCHED_FEAT(PLACE_LAG, true)
++/*
++ * Give new tasks half a slice to ease into the competition.
++ */
  SCHED_FEAT(PLACE_DEADLINE_INITIAL, true)
+-SCHED_FEAT(RUN_TO_PARITY, true)
++/*
++ * Inhibit (wakeup) preemption until the current task has exhausted its slice.
++ */
 +#ifdef CONFIG_SCHED_BORE
-+SCHED_FEAT(RUN_TO_PARITY, false)
++SCHED_FEAT(RESPECT_SLICE, false)
 +#else // !CONFIG_SCHED_BORE
- SCHED_FEAT(RUN_TO_PARITY, true)
++SCHED_FEAT(RESPECT_SLICE, true)
 +#endif // CONFIG_SCHED_BORE
++/*
++ * Relax RESPECT_SLICE to allow preemption once current has reached 0-lag.
++ */
++SCHED_FEAT(RUN_TO_PARITY, false)
++/*
++ * Allow tasks with a shorter slice to disregard RESPECT_SLICE
++ */
++SCHED_FEAT(PREEMPT_SHORT, true)
  
  /*
   * Prefer to schedule the task we woke last (assuming it failed
 diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
-index 001fe047b..da3ad1d4e 100644
+index 8c817d0a9..05c0a1157 100644
 --- a/kernel/sched/sched.h
 +++ b/kernel/sched/sched.h
-@@ -1965,7 +1965,11 @@ static inline void dirty_sched_domain_sysctl(int cpu)
+@@ -1967,7 +1967,11 @@ static inline void dirty_sched_domain_sysctl(int cpu)
  }
  #endif
  
@@ -714,7 +825,7 @@ index 001fe047b..da3ad1d4e 100644
  
  static inline const struct cpumask *task_user_cpus(struct task_struct *p)
  {
-@@ -2552,6 +2556,9 @@ extern const_debug unsigned int sysctl_sched_nr_migrate;
+@@ -2554,6 +2558,9 @@ extern const_debug unsigned int sysctl_sched_nr_migrate;
  extern const_debug unsigned int sysctl_sched_migration_cost;
  
  extern unsigned int sysctl_sched_base_slice;
@@ -725,5 +836,5 @@ index 001fe047b..da3ad1d4e 100644
  #ifdef CONFIG_SCHED_DEBUG
  extern int sysctl_resched_latency_warn_ms;
 -- 
-2.43.0.232.ge79552d197
+2.44.0.325.g11c821f2f2
 
diff --git a/SOURCES/kernel-aarch64-16k-debug-fedora.config b/SOURCES/kernel-aarch64-16k-debug-fedora.config
index a80bcd3..8ece265 100644
--- a/SOURCES/kernel-aarch64-16k-debug-fedora.config
+++ b/SOURCES/kernel-aarch64-16k-debug-fedora.config
@@ -6337,7 +6337,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MODULE_REGION_FULL=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-aarch64-16k-fedora.config b/SOURCES/kernel-aarch64-16k-fedora.config
index 69d8bb3..f86446f 100644
--- a/SOURCES/kernel-aarch64-16k-fedora.config
+++ b/SOURCES/kernel-aarch64-16k-fedora.config
@@ -6310,7 +6310,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MODULE_REGION_FULL=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-aarch64-debug-fedora.config b/SOURCES/kernel-aarch64-debug-fedora.config
index 0ba5bb9..5fbdd2a 100644
--- a/SOURCES/kernel-aarch64-debug-fedora.config
+++ b/SOURCES/kernel-aarch64-debug-fedora.config
@@ -6337,7 +6337,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MODULE_REGION_FULL=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-aarch64-fedora.config b/SOURCES/kernel-aarch64-fedora.config
index 488f077..b0816ed 100644
--- a/SOURCES/kernel-aarch64-fedora.config
+++ b/SOURCES/kernel-aarch64-fedora.config
@@ -6310,7 +6310,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MODULE_REGION_FULL=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-ppc64le-debug-fedora.config b/SOURCES/kernel-ppc64le-debug-fedora.config
index f91fde5..eb6a9a3 100644
--- a/SOURCES/kernel-ppc64le-debug-fedora.config
+++ b/SOURCES/kernel-ppc64le-debug-fedora.config
@@ -912,7 +912,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_QORIQ is not set
@@ -5165,7 +5164,7 @@ CONFIG_RANDOM32_SELFTEST=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-ppc64le-fedora.config b/SOURCES/kernel-ppc64le-fedora.config
index c0e178b..dbfe9d8 100644
--- a/SOURCES/kernel-ppc64le-fedora.config
+++ b/SOURCES/kernel-ppc64le-fedora.config
@@ -910,7 +910,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_QORIQ is not set
@@ -5136,7 +5135,7 @@ CONFIG_RAID_ATTRS=m
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-s390x-debug-fedora.config b/SOURCES/kernel-s390x-debug-fedora.config
index 01b417f..b3503d2 100644
--- a/SOURCES/kernel-s390x-debug-fedora.config
+++ b/SOURCES/kernel-s390x-debug-fedora.config
@@ -919,7 +919,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_QORIQ is not set
@@ -5086,7 +5085,7 @@ CONFIG_RANDOMIZE_BASE=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-s390x-fedora.config b/SOURCES/kernel-s390x-fedora.config
index 0d9bb44..a1de2c2 100644
--- a/SOURCES/kernel-s390x-fedora.config
+++ b/SOURCES/kernel-s390x-fedora.config
@@ -917,7 +917,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_QORIQ is not set
@@ -5057,7 +5056,7 @@ CONFIG_RANDOMIZE_BASE=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-x86_64-debug-fedora.config b/SOURCES/kernel-x86_64-debug-fedora.config
index b4da6c0..ddd7d28 100644
--- a/SOURCES/kernel-x86_64-debug-fedora.config
+++ b/SOURCES/kernel-x86_64-debug-fedora.config
@@ -976,7 +976,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_LGM_CGU is not set
@@ -1091,6 +1090,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
@@ -5570,7 +5570,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MEMORY=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-x86_64-debug-rhel.config b/SOURCES/kernel-x86_64-debug-rhel.config
index 0abb7c0..29ea223 100644
--- a/SOURCES/kernel-x86_64-debug-rhel.config
+++ b/SOURCES/kernel-x86_64-debug-rhel.config
@@ -907,6 +907,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
diff --git a/SOURCES/kernel-x86_64-fedora.config b/SOURCES/kernel-x86_64-fedora.config
index 60015ad..29c4273 100644
--- a/SOURCES/kernel-x86_64-fedora.config
+++ b/SOURCES/kernel-x86_64-fedora.config
@@ -974,7 +974,6 @@ CONFIG_CIO2_BRIDGE=y
 CONFIG_CLEANCACHE=y
 CONFIG_CLK_FD_KUNIT_TEST=m
 CONFIG_CLK_GATE_KUNIT_TEST=m
-# CONFIG_CLK_GFM_LPASS_SM8250 is not set
 # CONFIG_CLK_ICST is not set
 CONFIG_CLK_KUNIT_TEST=m
 # CONFIG_CLK_LGM_CGU is not set
@@ -1089,6 +1088,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
@@ -5542,7 +5542,7 @@ CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
 CONFIG_RANDOMIZE_KSTACK_OFFSET=y
 CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING=0xa
 CONFIG_RANDOMIZE_MEMORY=y
-# CONFIG_RANDOM_KMALLOC_CACHES is not set
+CONFIG_RANDOM_KMALLOC_CACHES=y
 CONFIG_RANDOM_TRUST_BOOTLOADER=y
 CONFIG_RANDOM_TRUST_CPU=y
 # CONFIG_RANDSTRUCT_FULL is not set
diff --git a/SOURCES/kernel-x86_64-rhel.config b/SOURCES/kernel-x86_64-rhel.config
index a92e9b1..2ed7013 100644
--- a/SOURCES/kernel-x86_64-rhel.config
+++ b/SOURCES/kernel-x86_64-rhel.config
@@ -907,6 +907,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
diff --git a/SOURCES/kernel-x86_64-rt-debug-rhel.config b/SOURCES/kernel-x86_64-rt-debug-rhel.config
index 14c962e..4b8f5c5 100644
--- a/SOURCES/kernel-x86_64-rt-debug-rhel.config
+++ b/SOURCES/kernel-x86_64-rt-debug-rhel.config
@@ -907,6 +907,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
diff --git a/SOURCES/kernel-x86_64-rt-rhel.config b/SOURCES/kernel-x86_64-rt-rhel.config
index 4db1879..0097b33 100644
--- a/SOURCES/kernel-x86_64-rt-rhel.config
+++ b/SOURCES/kernel-x86_64-rt-rhel.config
@@ -907,6 +907,7 @@ CONFIG_CPU_ISOLATION=y
 CONFIG_CPU_LITTLE_ENDIAN=y
 CONFIG_CPUMASK_KUNIT_TEST=m
 CONFIG_CPUMASK_OFFSTACK=y
+CONFIG_CPU_MITIGATIONS=y
 CONFIG_CPUSETS=y
 CONFIG_CPU_SRSO=y
 # CONFIG_CPU_THERMAL is not set
diff --git a/SOURCES/kernel.changelog b/SOURCES/kernel.changelog
index fcffa87..9caf590 100644
--- a/SOURCES/kernel.changelog
+++ b/SOURCES/kernel.changelog
@@ -1,3 +1,12 @@
+* Thu May 02 2024 Augusto Caringi <acaringi@redhat.com> [6.8.9-0]
+- redhat/configs: Enable CONFIG_CPU_MITIGATIONS (Augusto Caringi)
+- Turn on CONFIG_RANDOM_KMALLOC_CACHES for Fedora (Justin M. Forbes)
+- drm/nouveau/dp: Don't probe eDP ports twice harder (Lyude Paul)
+- drm/nouveau/kms/nv50-: Disable AUX bus for disconnected DP ports (Lyude Paul)
+- drm/dp: Don't attempt AUX transfers when eDP panels are not powered (Douglas Anderson)
+- Linux v6.8.9
+Resolves: 
+
 * Sat Apr 27 2024 Justin M. Forbes <jforbes@fedoraproject.org> [6.8.8-0]
 - Update BugsFixed for 6.8.8 (Justin M. Forbes)
 - Turn on ISM for Fedora (Justin M. Forbes)
diff --git a/SOURCES/patch-6.8-redhat.patch b/SOURCES/patch-6.8-redhat.patch
index 66d8881..55cc025 100644
--- a/SOURCES/patch-6.8-redhat.patch
+++ b/SOURCES/patch-6.8-redhat.patch
@@ -13,6 +13,10 @@
  drivers/firmware/efi/efi.c                         | 124 +++++++++++----
  drivers/firmware/efi/secureboot.c                  |  38 +++++
  drivers/firmware/sysfb.c                           |  18 ++-
+ drivers/gpu/drm/display/drm_dp_helper.c            |  35 +++++
+ drivers/gpu/drm/nouveau/nouveau_dp.c               |  23 ++-
+ drivers/gpu/drm/panel/panel-edp.c                  |   3 +
+ drivers/gpu/drm/panel/panel-samsung-atna33xc20.c   |   2 +
  drivers/hid/hid-rmi.c                              |  66 --------
  drivers/hwtracing/coresight/coresight-etm4x-core.c |  19 +++
  drivers/input/rmi4/rmi_driver.c                    | 124 +++++++++------
@@ -21,6 +25,7 @@
  drivers/scsi/sd.c                                  |  10 ++
  drivers/usb/core/hub.c                             |   7 +
  fs/xfs/xfs_iomap.c                                 |   4 +-
+ include/drm/display/drm_dp_helper.h                |   6 +
  include/linux/efi.h                                |  22 ++-
  include/linux/lsm_hook_defs.h                      |   2 +
  include/linux/module.h                             |   1 +
@@ -35,10 +40,10 @@
  security/lockdown/Kconfig                          |  13 ++
  security/lockdown/lockdown.c                       |   1 +
  security/security.c                                |  12 ++
- 37 files changed, 671 insertions(+), 177 deletions(-)
+ 42 files changed, 735 insertions(+), 182 deletions(-)
 
 diff --git a/Makefile b/Makefile
-index ffa43a6d0424..0d5ae4952215 100644
+index 2917a6914c03..ac609d49e12f 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -22,6 +22,18 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
@@ -578,6 +583,156 @@ index 3c197db42c9d..16e4a2e90fae 100644
  		pd = sysfb_create_simplefb(si, &mode);
  		if (!IS_ERR(pd))
  			goto unlock_mutex;
+diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
+index 26c188ce5f1c..fb80843e7f2d 100644
+--- a/drivers/gpu/drm/display/drm_dp_helper.c
++++ b/drivers/gpu/drm/display/drm_dp_helper.c
+@@ -532,6 +532,15 @@ static int drm_dp_dpcd_access(struct drm_dp_aux *aux, u8 request,
+ 
+ 	mutex_lock(&aux->hw_mutex);
+ 
++	/*
++	 * If the device attached to the aux bus is powered down then there's
++	 * no reason to attempt a transfer. Error out immediately.
++	 */
++	if (aux->powered_down) {
++		ret = -EBUSY;
++		goto unlock;
++	}
++
+ 	/*
+ 	 * The specification doesn't give any recommendation on how often to
+ 	 * retry native transactions. We used to retry 7 times like for
+@@ -599,6 +608,29 @@ int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset)
+ }
+ EXPORT_SYMBOL(drm_dp_dpcd_probe);
+ 
++/**
++ * drm_dp_dpcd_set_powered() - Set whether the DP device is powered
++ * @aux: DisplayPort AUX channel; for convenience it's OK to pass NULL here
++ *       and the function will be a no-op.
++ * @powered: true if powered; false if not
++ *
++ * If the endpoint device on the DP AUX bus is known to be powered down
++ * then this function can be called to make future transfers fail immediately
++ * instead of needing to time out.
++ *
++ * If this function is never called then a device defaults to being powered.
++ */
++void drm_dp_dpcd_set_powered(struct drm_dp_aux *aux, bool powered)
++{
++	if (!aux)
++		return;
++
++	mutex_lock(&aux->hw_mutex);
++	aux->powered_down = !powered;
++	mutex_unlock(&aux->hw_mutex);
++}
++EXPORT_SYMBOL(drm_dp_dpcd_set_powered);
++
+ /**
+  * drm_dp_dpcd_read() - read a series of bytes from the DPCD
+  * @aux: DisplayPort AUX channel (SST or MST)
+@@ -1858,6 +1890,9 @@ static int drm_dp_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
+ 	struct drm_dp_aux_msg msg;
+ 	int err = 0;
+ 
++	if (aux->powered_down)
++		return -EBUSY;
++
+ 	dp_aux_i2c_transfer_size = clamp(dp_aux_i2c_transfer_size, 1, DP_AUX_MAX_PAYLOAD_BYTES);
+ 
+ 	memset(&msg, 0, sizeof(msg));
+diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
+index 7de7707ec6a8..a72c45809484 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
++++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
+@@ -225,12 +225,18 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
+ 	u8 *dpcd = nv_encoder->dp.dpcd;
+ 	int ret = NOUVEAU_DP_NONE, hpd;
+ 
+-	/* If we've already read the DPCD on an eDP device, we don't need to
+-	 * reread it as it won't change
++	/* eDP ports don't support hotplugging - so there's no point in probing eDP ports unless we
++	 * haven't probed them once before.
+ 	 */
+-	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP &&
+-	    dpcd[DP_DPCD_REV] != 0)
+-		return NOUVEAU_DP_SST;
++	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
++		if (connector->status == connector_status_connected)
++			return NOUVEAU_DP_SST;
++		else if (connector->status == connector_status_disconnected)
++			return NOUVEAU_DP_NONE;
++	}
++
++	// Ensure that the aux bus is enabled for probing
++	drm_dp_dpcd_set_powered(&nv_connector->aux, true);
+ 
+ 	mutex_lock(&nv_encoder->dp.hpd_irq_lock);
+ 	if (mstm) {
+@@ -293,6 +299,13 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
+ 	if (mstm && !mstm->suspended && ret != NOUVEAU_DP_MST)
+ 		nv50_mstm_remove(mstm);
+ 
++	/* GSP doesn't like when we try to do aux transactions on a port it considers disconnected,
++	 * and since we don't really have a usecase for that anyway - just disable the aux bus here
++	 * if we've decided the connector is disconnected
++	 */
++	if (ret == NOUVEAU_DP_NONE)
++		drm_dp_dpcd_set_powered(&nv_connector->aux, false);
++
+ 	mutex_unlock(&nv_encoder->dp.hpd_irq_lock);
+ 	return ret;
+ }
+diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
+index e5e3f0b9ca61..49b8a2484d92 100644
+--- a/drivers/gpu/drm/panel/panel-edp.c
++++ b/drivers/gpu/drm/panel/panel-edp.c
+@@ -397,6 +397,7 @@ static int panel_edp_suspend(struct device *dev)
+ {
+ 	struct panel_edp *p = dev_get_drvdata(dev);
+ 
++	drm_dp_dpcd_set_powered(p->aux, false);
+ 	gpiod_set_value_cansleep(p->enable_gpio, 0);
+ 	regulator_disable(p->supply);
+ 	p->unprepared_time = ktime_get_boottime();
+@@ -453,6 +454,7 @@ static int panel_edp_prepare_once(struct panel_edp *p)
+ 	}
+ 
+ 	gpiod_set_value_cansleep(p->enable_gpio, 1);
++	drm_dp_dpcd_set_powered(p->aux, true);
+ 
+ 	delay = p->desc->delay.hpd_reliable;
+ 	if (p->no_hpd)
+@@ -489,6 +491,7 @@ static int panel_edp_prepare_once(struct panel_edp *p)
+ 	return 0;
+ 
+ error:
++	drm_dp_dpcd_set_powered(p->aux, false);
+ 	gpiod_set_value_cansleep(p->enable_gpio, 0);
+ 	regulator_disable(p->supply);
+ 	p->unprepared_time = ktime_get_boottime();
+diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
+index 5703f4712d96..76c2a8f6718c 100644
+--- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
++++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
+@@ -72,6 +72,7 @@ static int atana33xc20_suspend(struct device *dev)
+ 	if (p->el3_was_on)
+ 		atana33xc20_wait(p->el_on3_off_time, 150);
+ 
++	drm_dp_dpcd_set_powered(p->aux, false);
+ 	ret = regulator_disable(p->supply);
+ 	if (ret)
+ 		return ret;
+@@ -93,6 +94,7 @@ static int atana33xc20_resume(struct device *dev)
+ 	ret = regulator_enable(p->supply);
+ 	if (ret)
+ 		return ret;
++	drm_dp_dpcd_set_powered(p->aux, true);
+ 	p->powered_on_time = ktime_get_boottime();
+ 
+ 	if (p->no_hpd) {
 diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
 index d4af17fdba46..154f0403cbf4 100644
 --- a/drivers/hid/hid-rmi.c
@@ -1066,6 +1221,26 @@ index 18c8f168b153..055cdec2e9ad 100644
  	error = xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0, seq);
  out_unlock:
  	xfs_iunlock(ip, lockmode);
+diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
+index 863b2e7add29..472359a9d675 100644
+--- a/include/drm/display/drm_dp_helper.h
++++ b/include/drm/display/drm_dp_helper.h
+@@ -463,9 +463,15 @@ struct drm_dp_aux {
+ 	 * @is_remote: Is this AUX CH actually using sideband messaging.
+ 	 */
+ 	bool is_remote;
++
++	/**
++	 * @powered_down: If true then the remote endpoint is powered down.
++	 */
++	bool powered_down;
+ };
+ 
+ int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset);
++void drm_dp_dpcd_set_powered(struct drm_dp_aux *aux, bool powered);
+ ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
+ 			 void *buffer, size_t size);
+ ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
 diff --git a/include/linux/efi.h b/include/linux/efi.h
 index c74f47711f0b..e7bbf3b7a938 100644
 --- a/include/linux/efi.h
diff --git a/SOURCES/steamdeck-oled-legion-go-bluetooth-hang.patch b/SOURCES/steamdeck-oled-legion-go-bluetooth-hang.patch
index 58d37d2..8c95f39 100644
--- a/SOURCES/steamdeck-oled-legion-go-bluetooth-hang.patch
+++ b/SOURCES/steamdeck-oled-legion-go-bluetooth-hang.patch
@@ -300,16 +300,7 @@ diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
 index 8a60ad7acd70..edd2a81b4d5e 100644
 --- a/drivers/bluetooth/hci_qca.c
 +++ b/drivers/bluetooth/hci_qca.c
-@@ -2326,7 +2326,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
- 
- 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
- 					       GPIOD_OUT_LOW);
--		if (IS_ERR(qcadev->bt_en) &&
-+		if (IS_ERR_OR_NULL(qcadev->bt_en) &&
- 		    (data->soc_type == QCA_WCN6750 ||
- 		     data->soc_type == QCA_WCN6855)) {
- 			dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
-@@ -2335,7 +2335,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
+@@ -2342,7 +2342,7 @@
  
  		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
  					       GPIOD_IN);
@@ -317,16 +308,7 @@ index 8a60ad7acd70..edd2a81b4d5e 100644
 +		if (IS_ERR_OR_NULL(qcadev->sw_ctrl) &&
  		    (data->soc_type == QCA_WCN6750 ||
  		     data->soc_type == QCA_WCN6855 ||
- 		     data->soc_type == QCA_WCN7850))
-@@ -2357,7 +2357,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
- 	default:
- 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
- 					       GPIOD_OUT_LOW);
--		if (IS_ERR(qcadev->bt_en)) {
-+		if (IS_ERR_OR_NULL(qcadev->bt_en)) {
- 			dev_warn(&serdev->dev, "failed to acquire enable gpio\n");
- 			power_ctrl_enabled = false;
- 		}
+ 		     data->soc_type == QCA_WCN7850)) {
 -- 
 2.44.0
 
diff --git a/SPECS/kernel.spec b/SPECS/kernel.spec
index 2332347..824cf83 100644
--- a/SPECS/kernel.spec
+++ b/SPECS/kernel.spec
@@ -160,18 +160,18 @@ Summary: The Linux kernel
 #  the --with-release option overrides this setting.)
 %define debugbuildsenabled 1
 %define buildid .fsync
-%define specrpmversion 6.8.8
-%define specversion 6.8.8
+%define specrpmversion 6.8.9
+%define specversion 6.8.9
 %define patchversion 6.8
 %define pkgrelease 300
 %define kversion 6
-%define tarfile_release 6.8.8
+%define tarfile_release 6.8.9
 # This is needed to do merge window version magic
 %define patchlevel 8
 # This allows pkg_release to have configurable %%{?dist} tag
 %define specrelease 301%{?buildid}%{?dist}
 # This defines the kabi tarball version
-%define kabiversion 6.8.8
+%define kabiversion 6.8.9
 
 # If this variable is set to 1, a bpf selftests build failure will cause a
 # fatal kernel package build error
@@ -4110,8 +4110,16 @@ fi\
 #
 #
 %changelog
-* Sat May 04 2024 Jan200101 <sentrycraft123@gmail.com> - 6.8.8-301.fsync
-- kernel-fsync v6.8.8
+* Sat May 04 2024 Jan200101 <sentrycraft123@gmail.com> - 6.8.9-301.fsync
+- kernel-fsync v6.8.9
+
+* Thu May 02 2024 Augusto Caringi <acaringi@redhat.com> [6.8.9-0]
+- redhat/configs: Enable CONFIG_CPU_MITIGATIONS (Augusto Caringi)
+- Turn on CONFIG_RANDOM_KMALLOC_CACHES for Fedora (Justin M. Forbes)
+- drm/nouveau/dp: Don't probe eDP ports twice harder (Lyude Paul)
+- drm/nouveau/kms/nv50-: Disable AUX bus for disconnected DP ports (Lyude Paul)
+- drm/dp: Don't attempt AUX transfers when eDP panels are not powered (Douglas Anderson)
+- Linux v6.8.9
 
 * Sat Apr 27 2024 Justin M. Forbes <jforbes@fedoraproject.org> [6.8.8-0]
 - Update BugsFixed for 6.8.8 (Justin M. Forbes)