Workaround for low volume with Apple USB-C to 3.5mm Adapter

arch/arm64/Kconfig

@@ -503,6 +503,8 @@ config ARM64_ERRATUM_1024718
 config ARM64_ERRATUM_1188873
 	bool "Cortex-A76: MRC read following MRRC read of specific Generic Timer in AArch32 might give incorrect result"
 	default y
+	select ARM_ARCH_TIMER_OOL_WORKAROUND
+	depends on ARM_ARCH_TIMER
 	help
 	  This option adds work arounds for ARM Cortex-A76 erratum 1188873
 

arch/arm64/Makefile

@@ -53,6 +53,9 @@ ifeq ($(cc-name),clang)
 KBUILD_CFLAGS	+= -mno-implicit-float
 else
 KBUILD_CFLAGS	+= -mgeneral-regs-only
+ifeq ($(CONFIG_ARCH_LITO), y)
+KBUILD_CFLAGS	+= -mcpu=cortex-a76.cortex-a55
+endif
 endif
 KBUILD_CFLAGS	+= $(lseinstr) $(brokengasinst) $(compat_vdso)
 KBUILD_CFLAGS	+= -fno-asynchronous-unwind-tables

arch/arm64/boot/dts/google/lito-redbull-memory.dtsi

@@ -33,7 +33,6 @@
  * pil_camera_mem:     0x86000000 0x500000
  * pil_npu_mem:        0x86500000 0x500000
  * pil_video_mem:      0x86a00000 0x500000
- * pil_cvp_mem:        0x86f00000 0x500000
  * pil_cdsp_mem:       0x87400000 0x1e00000
  * pil_adsp_mem:       0x89200000 0x2800000
  * pil_wlan_fw_mem:    0x8ba00000 0x200000

arch/arm64/boot/dts/vendor/qcom/lito-gpu.dtsi

@@ -80,7 +80,7 @@
 
 		qcom,initial-pwrlevel = <3>;
 
-		qcom,idle-timeout = <80>; /* msecs */
+		qcom,idle-timeout = <58>; /* msecs */
 
 		qcom,highest-bank-bit = <14>;
 

arch/arm64/boot/dts/vendor/qcom/lito-sde.dtsi

@@ -658,6 +658,7 @@
 						00 00 0a 0a
 						00 00 8a 8a];
 		qcom,platform-regulator-settings = [1d 1d 1d 1d 1d];
+		qcom,panel-allow-phy-poweroff;
 		qcom,phy-supply-entries {
 			#address-cells = <1>;
 			#size-cells = <0>;

arch/arm64/boot/dts/vendor/qcom/lito.dtsi

@@ -487,18 +487,6 @@
 			label = "dfps_data_region";
 		};
 
-		disp_rdump_memory: disp_rdump_region@0xa0000000 {
-			reg = <0x0 0xA0000000 0x0 0x02300000>;
-			label = "disp_rdump_region";
-		};
-
-		dump_mem: mem_dump_region {
-			compatible = "shared-dma-pool";
-			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
-			reusable;
-			size = <0 0x2800000>;
-		};
-
 		/* global autoconfigured region for contiguous allocations */
 		linux,cma {
 			compatible = "shared-dma-pool";
@@ -512,7 +500,7 @@
 	};
 
 	chosen {
-		bootargs = "rcupdate.rcu_expedited=1 rcu_nocbs=0-7";
+		bootargs = "rcu_nocbs=0-7 noirqdebug";
 	};
 
 	soc: soc { };
@@ -2142,7 +2130,7 @@
 
 	mem_dump {
 		compatible = "qcom,mem-dump";
-		memory-region = <&dump_mem>;
+		status = "disabled";
 
 		c0_context {
 			qcom,dump-size = <0x800>;

arch/arm64/configs/redbull_defconfig

@@ -1,3 +1,5 @@
+CONFIG_LOCALVERSION="-minimalistic_red"
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_KERNEL_LZ4=y
 CONFIG_AUDIT=y
 CONFIG_NO_HZ=y
@@ -45,15 +47,18 @@ CONFIG_SLAB_FREELIST_HARDENED=y
 CONFIG_PROFILING=y
 # CONFIG_ZONE_DMA32 is not set
 CONFIG_ARCH_QCOM=y
+CONFIG_ARCH_LITO=y
 CONFIG_BOARD_BRAMBLE=y
 CONFIG_BOARD_BARBET=y
 CONFIG_BOARD_REDFIN=y
 CONFIG_PCI=y
 CONFIG_SCHED_MC=y
 CONFIG_NR_CPUS=32
-CONFIG_HZ_300=y
+CONFIG_HZ_100=y
+CONFIG_HZ=100
+# CONFIG_HZ_300 is not set
 CONFIG_SECCOMP=y
-CONFIG_PARAVIRT=y
+# CONFIG_PARAVIRT is not set
 # CONFIG_UNMAP_KERNEL_AT_EL0 is not set
 CONFIG_ARM64_SSBD=y
 CONFIG_PRINT_VMEMLAYOUT=y
@@ -68,11 +73,13 @@ CONFIG_RANDOMIZE_BASE=y
 CONFIG_BUILD_ARM64_APPENDED_DTB_IMAGE=y
 CONFIG_BUILD_ARM64_DT_OVERLAY=y
 CONFIG_COMPAT=y
+CONFIG_PM=y
 CONFIG_PM_WAKELOCKS=y
 CONFIG_PM_WAKELOCKS_LIMIT=0
 # CONFIG_PM_WAKELOCKS_GC is not set
-CONFIG_PM_DEBUG=y
+# CONFIG_PM_DEBUG is not set
 CONFIG_PM_SLEEP_MONITOR=y
+CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y
 CONFIG_ENERGY_MODEL=y
 CONFIG_CPU_IDLE=y
 CONFIG_ARM_CPUIDLE=y
@@ -92,8 +99,8 @@ CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
 CONFIG_CRYPTO_AES_ARM64_NEON_BLK=y
 CONFIG_JUMP_LABEL=y
 # CONFIG_THINLTO is not set
-CONFIG_LTO_CLANG=y
-CONFIG_CFI_CLANG=y
+# CONFIG_LTO_CLANG is not set
+# CONFIG_CFI_CLANG is not set
 CONFIG_SHADOW_CALL_STACK=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
@@ -279,9 +286,9 @@ CONFIG_REGMAP_WCD_IRQ=y
 CONFIG_DMA_CMA=y
 CONFIG_OF_BATTERYDATA=m
 CONFIG_ZRAM=y
-CONFIG_ZRAM_WRITEBACK=y
+# CONFIG_ZRAM_WRITEBACK is not set
 CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=0
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
 CONFIG_HDCP_QSEECOM=m
@@ -341,12 +348,7 @@ CONFIG_INPUT_JOYSTICK=y
 CONFIG_JOYSTICK_XPAD=y
 CONFIG_JOYSTICK_XPAD_FF=y
 CONFIG_JOYSTICK_XPAD_LEDS=y
-CONFIG_INPUT_TABLET=y
-CONFIG_TABLET_USB_ACECAD=y
-CONFIG_TABLET_USB_AIPTEK=y
-CONFIG_TABLET_USB_GTCO=y
-CONFIG_TABLET_USB_HANWANG=y
-CONFIG_TABLET_USB_KBTAB=y
+# CONFIG_INPUT_TABLET is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_DSX_CORE_v27=y
 CONFIG_TOUCHSCREEN_TBN=m
@@ -387,8 +389,8 @@ CONFIG_PINCTRL_QCOM_SPMI_PMIC=m
 CONFIG_PINCTRL_LITO=m
 CONFIG_GPIO_SYSFS=y
 CONFIG_POWER_RESET_QCOM=m
-CONFIG_POWER_RESET_XGENE=y
-CONFIG_POWER_RESET_SYSCON=y
+# CONFIG_POWER_RESET_XGENE is not set
+# CONFIG_POWER_RESET_SYSCON is not set
 CONFIG_DEBUG_REBOOT=y
 CONFIG_QPNP_PMIC_VOTER=m
 CONFIG_QPNP_SMB5=m
@@ -464,12 +466,12 @@ CONFIG_SND_SOC_RT5514_SPI=m
 CONFIG_SND_SOC_CODEC_DETECT=m
 CONFIG_UHID=y
 CONFIG_HID_APPLE=y
-CONFIG_HID_ELECOM=y
-CONFIG_HID_MAGICMOUSE=y
+# CONFIG_HID_ELECOM is not set
+# CONFIG_HID_MAGICMOUSE is not set
 CONFIG_HID_MICROSOFT=y
-CONFIG_HID_MULTITOUCH=y
+# CONFIG_HID_MULTITOUCH is not set
 CONFIG_HID_NINTENDO=y
-CONFIG_HID_PLANTRONICS=y
+# CONFIG_HID_PLANTRONICS is not set
 CONFIG_HID_PLAYSTATION=y
 CONFIG_PLAYSTATION_FF=y
 CONFIG_HID_SONY=y
@@ -487,8 +489,8 @@ CONFIG_USB_DWC3=m
 CONFIG_USB_DWC3_MSM=m
 CONFIG_USB_ISP1760=y
 CONFIG_USB_ISP1760_HOST_ROLE=y
-CONFIG_USB_EHSET_TEST_FIXTURE=y
-CONFIG_USB_LINK_LAYER_TEST=y
+# CONFIG_USB_EHSET_TEST_FIXTURE is not set
+# CONFIG_USB_LINK_LAYER_TEST is not set
 CONFIG_NOP_USB_XCEIV=m
 CONFIG_USB_MSM_SSPHY_QMP=m
 CONFIG_MSM_HSUSB_PHY=m
@@ -511,6 +513,7 @@ CONFIG_USB_CONFIGFS_F_QDSS=m
 CONFIG_USB_CONFIGFS_F_GSI=m
 CONFIG_USB_CONFIGFS_F_MTP=m
 CONFIG_USB_CONFIGFS_F_PTP=m
+CONFIG_USB_CONFIGFS_F_UVC=y
 CONFIG_TYPEC=y
 CONFIG_TYPEC_TCPM=m
 CONFIG_USB_PD_ENGINE=m
@@ -577,7 +580,7 @@ CONFIG_QCOM_QMI_POWER_COLLAPSE=m
 CONFIG_QCOM_RPMH=m
 CONFIG_QCOM_SMEM=m
 CONFIG_QCOM_EARLY_RANDOM=m
-CONFIG_QCOM_MEMORY_DUMP_V2=m
+# CONFIG_QCOM_MEMORY_DUMP_V2 is not set
 CONFIG_QCOM_SMP2P=m
 CONFIG_SETUP_SSR_NOTIF_TIMEOUTS=y
 CONFIG_SSR_SYSMON_NOTIF_TIMEOUT=20000

arch/arm64/include/asm/smp.h

@@ -101,14 +101,7 @@ extern void secondary_entry(void);
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
-#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
 extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);
-#else
-static inline void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
-{
-	BUILD_BUG();
-}
-#endif
 
 extern int __cpu_disable(void);
 

arch/arm64/kernel/cpuinfo.c

@@ -333,7 +333,7 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info)
 		set_bit(ICACHEF_ALIASING, &__icache_flags);
 	}
 
-	pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str[l1ip], cpu);
+	pr_debug("Detected %s I-cache on CPU%d\n", icache_policy_str[l1ip], cpu);
 }
 
 static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)

arch/arm64/kernel/psci.c

@@ -98,7 +98,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu)
 	do {
 		err = psci_ops.affinity_info(cpu_logical_map(cpu), 0);
 		if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) {
-			pr_info("CPU%d killed (polled %d ms)\n", cpu,
+			pr_debug("CPU%d killed (polled %d ms)\n", cpu,
 				jiffies_to_msecs(jiffies - start));
 			return 0;
 		}

arch/arm64/kernel/smp.c

@@ -245,7 +245,7 @@ asmlinkage notrace void secondary_start_kernel(void)
 	 * the CPU migration code to notice that the CPU is online
 	 * before we continue.
 	 */
-	pr_info("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n",
+	pr_debug("CPU%u: Booted secondary processor 0x%010lx [0x%08x]\n",
 					 cpu, (unsigned long)mpidr,
 					 read_cpuid_id());
 	set_cpu_psci_function_id(cpu, 0);
@@ -335,7 +335,7 @@ void __cpu_die(unsigned int cpu)
 		pr_crit("CPU%u: cpu didn't die\n", cpu);
 		return;
 	}
-	pr_info("CPU%u: shutdown\n", cpu);
+	pr_debug("CPU%u: shutdown\n", cpu);
 
 	/*
 	 * Now that the dying CPU is beyond the point of no return w.r.t.
@@ -833,12 +833,10 @@ void arch_send_call_function_single_ipi(int cpu)
 	smp_cross_call_common(cpumask_of(cpu), IPI_CALL_FUNC);
 }
 
-#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
 void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
 {
 	smp_cross_call_common(mask, IPI_WAKEUP);
 }
-#endif
 
 #ifdef CONFIG_IRQ_WORK
 void arch_irq_work_raise(void)
@@ -959,13 +957,8 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
 		break;
 #endif
 
-#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
 	case IPI_WAKEUP:
-		WARN_ONCE(!acpi_parking_protocol_valid(cpu),
-			  "CPU%u: Wake-up IPI outside the ACPI parking protocol\n",
-			  cpu);
 		break;
-#endif
 
 	default:
 		pr_crit("CPU%u: Unknown IPI message 0x%x\n", cpu, ipinr);

block/blk.h

@@ -308,9 +308,7 @@ extern int blk_update_nr_requests(struct request_queue *, unsigned int);
  */
 static inline bool blk_do_io_stat(struct request *rq)
 {
-	return rq->rq_disk &&
-	       (rq->rq_flags & RQF_IO_STAT) &&
-		!blk_rq_is_passthrough(rq);
+	return false;
 }
 
 static inline void req_set_nomerge(struct request_queue *q, struct request *req)

drivers/android/binder.c

@@ -128,8 +128,7 @@ enum {
 	BINDER_DEBUG_PRIORITY_CAP           = 1U << 13,
 	BINDER_DEBUG_SPINLOCKS              = 1U << 14,
 };
-static uint32_t binder_debug_mask = BINDER_DEBUG_USER_ERROR |
-	BINDER_DEBUG_FAILED_TRANSACTION | BINDER_DEBUG_DEAD_TRANSACTION;
+static uint32_t binder_debug_mask = 0;
 module_param_named(debug_mask, binder_debug_mask, uint, 0644);
 
 char *binder_devices_param = CONFIG_ANDROID_BINDER_DEVICES;
@@ -5407,7 +5406,7 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		thread->looper_need_return = false;
 	wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
 	if (ret && ret != -EINTR)
-		pr_info("%d:%d ioctl %x %lx returned %d\n", proc->pid, current->pid, cmd, arg, ret);
+		pr_debug("%d:%d ioctl %x %lx returned %d\n", proc->pid, current->pid, cmd, arg, ret);
 err_unlocked:
 	trace_binder_ioctl_done(ret);
 	return ret;

drivers/android/binder_alloc.c

@@ -44,7 +44,7 @@ enum {
 	BINDER_DEBUG_BUFFER_ALLOC           = 1U << 2,
 	BINDER_DEBUG_BUFFER_ALLOC_ASYNC     = 1U << 3,
 };
-static uint32_t binder_alloc_debug_mask = BINDER_DEBUG_USER_ERROR;
+static uint32_t binder_alloc_debug_mask = 0;
 
 module_param_named(debug_mask, binder_alloc_debug_mask,
 		   uint, 0644);

drivers/base/core.c

@@ -459,7 +459,7 @@ struct device_link *device_link_add(struct device *consumer,
 	 */
 	device_reorder_to_tail(consumer, NULL);
 
-	dev_info(consumer, "Linked as a consumer to %s\n", dev_name(supplier));
+	dev_dbg(consumer, "Linked as a consumer to %s\n", dev_name(supplier));
 
 out:
 	device_pm_unlock();
@@ -560,7 +560,7 @@ static void __device_link_del(struct kref *kref)
 {
 	struct device_link *link = container_of(kref, struct device_link, kref);
 
-	dev_info(link->consumer, "Dropping the link to %s\n",
+	dev_dbg(link->consumer, "Dropping the link to %s\n",
 		 dev_name(link->supplier));
 
 	if (link->flags & DL_FLAG_PM_RUNTIME)
@@ -575,7 +575,7 @@ static void __device_link_del(struct kref *kref)
 {
 	struct device_link *link = container_of(kref, struct device_link, kref);
 
-	dev_info(link->consumer, "Dropping the link to %s\n",
+	dev_dbg(link->consumer, "Dropping the link to %s\n",
 		 dev_name(link->supplier));
 
 	if (link->flags & DL_FLAG_PM_RUNTIME)

drivers/base/power/main.c

@@ -31,7 +31,6 @@
 #include <linux/suspend.h>
 #include <trace/events/power.h>
 #include <linux/cpufreq.h>
-#include <linux/cpuidle.h>
 #include <linux/timer.h>
 #include <linux/wakeup_reason.h>
 
@@ -798,7 +797,6 @@ void dpm_noirq_end(void)
 {
 	resume_device_irqs();
 	device_wakeup_disarm_wake_irqs();
-	cpuidle_resume();
 }
 
 /**
@@ -1420,7 +1418,6 @@ static int device_suspend_noirq(struct device *dev)
 
 void dpm_noirq_begin(void)
 {
-	cpuidle_pause();
 	device_wakeup_arm_wake_irqs();
 	suspend_device_irqs();
 }