6.1.76-rc1 review

@@ -1458,6 +1458,18 @@ xfs_fs_fill_super(
 
 	mp->m_super = sb;
 
+	/*
+	 * Copy VFS mount flags from the context now that all parameter parsing
+	 * is guaranteed to have been completed by either the old mount API or
+	 * the newer fsopen/fsconfig API.
+	 */
+	if (fc->sb_flags & SB_RDONLY)
+		set_bit(XFS_OPSTATE_READONLY, &mp->m_opstate);
+	if (fc->sb_flags & SB_DIRSYNC)
+		mp->m_features |= XFS_FEAT_DIRSYNC;
+	if (fc->sb_flags & SB_SYNCHRONOUS)
+		mp->m_features |= XFS_FEAT_WSYNC;
+
 	error = xfs_fs_validate_params(mp);
 	if (error)
 		goto out_free_names;

@@ -1915,6 +1927,11 @@ static const struct fs_context_operation
 	.free        = xfs_fs_free,
 };
 
+/*
+ * WARNING: do not initialise any parameters in this function that depend on
+ * mount option parsing having already been performed as this can be called from
+ * fsopen() before any parameters have been set.
+ */
 static int xfs_init_fs_context(
 	struct fs_context	*fc)
 {

@@ -1947,16 +1964,6 @@ static int xfs_init_fs_context(
 	mp->m_logbsize = -1;
 	mp->m_allocsize_log = 16; /* 64k */
 
-	/*
-	 * Copy binary VFS mount flags we are interested in.
-	 */
-	if (fc->sb_flags & SB_RDONLY)
-		set_bit(XFS_OPSTATE_READONLY, &mp->m_opstate);
-	if (fc->sb_flags & SB_DIRSYNC)
-		mp->m_features |= XFS_FEAT_DIRSYNC;
-	if (fc->sb_flags & SB_SYNCHRONOUS)
-		mp->m_features |= XFS_FEAT_WSYNC;
-
 	fc->s_fs_info = mp;
 	fc->ops = &xfs_context_ops;
 

@@ -1626,6 +1626,20 @@ static const struct dmi_system_id gpioli
 			.ignore_wake = "ELAN0415:00@9",
 		},
 	},
+	{
+		/*
+		 * Spurious wakeups from TP_ATTN# pin
+		 * Found in BIOS 0.35
+		 * https://gitlab.freedesktop.org/drm/amd/-/issues/3073
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "GPD"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "G1619-04"),
+		},
+		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+			.ignore_wake = "PNP0C50:00@8",
+		},
+	},
 	{} /* Terminating entry */
 };
 

@@ -493,6 +493,30 @@ static inline int intel_pstate_get_cppc_
 }
 #endif /* CONFIG_ACPI_CPPC_LIB */
 
+static int intel_pstate_freq_to_hwp_rel(struct cpudata *cpu, int freq,
+					unsigned int relation)
+{
+	if (freq == cpu->pstate.turbo_freq)
+		return cpu->pstate.turbo_pstate;
+
+	if (freq == cpu->pstate.max_freq)
+		return cpu->pstate.max_pstate;
+
+	switch (relation) {
+	case CPUFREQ_RELATION_H:
+		return freq / cpu->pstate.scaling;
+	case CPUFREQ_RELATION_C:
+		return DIV_ROUND_CLOSEST(freq, cpu->pstate.scaling);
+	}
+
+	return DIV_ROUND_UP(freq, cpu->pstate.scaling);
+}
+
+static int intel_pstate_freq_to_hwp(struct cpudata *cpu, int freq)
+{
+	return intel_pstate_freq_to_hwp_rel(cpu, freq, CPUFREQ_RELATION_L);
+}
+
 /**
  * intel_pstate_hybrid_hwp_adjust - Calibrate HWP performance levels.
  * @cpu: Target CPU.

@@ -510,6 +534,7 @@ static void intel_pstate_hybrid_hwp_adju
 	int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling;
 	int perf_ctl_turbo = pstate_funcs.get_turbo(cpu->cpu);
 	int scaling = cpu->pstate.scaling;
+	int freq;
 
 	pr_debug("CPU%d: perf_ctl_max_phys = %d\n", cpu->cpu, perf_ctl_max_phys);
 	pr_debug("CPU%d: perf_ctl_turbo = %d\n", cpu->cpu, perf_ctl_turbo);

@@ -523,16 +548,16 @@ static void intel_pstate_hybrid_hwp_adju
 	cpu->pstate.max_freq = rounddown(cpu->pstate.max_pstate * scaling,
 					 perf_ctl_scaling);
 
-	cpu->pstate.max_pstate_physical =
-			DIV_ROUND_UP(perf_ctl_max_phys * perf_ctl_scaling,
-				     scaling);
+	freq = perf_ctl_max_phys * perf_ctl_scaling;
+	cpu->pstate.max_pstate_physical = intel_pstate_freq_to_hwp(cpu, freq);
 
-	cpu->pstate.min_freq = cpu->pstate.min_pstate * perf_ctl_scaling;
+	freq = cpu->pstate.min_pstate * perf_ctl_scaling;
+	cpu->pstate.min_freq = freq;
 	/*
 	 * Cast the min P-state value retrieved via pstate_funcs.get_min() to
 	 * the effective range of HWP performance levels.
 	 */
-	cpu->pstate.min_pstate = DIV_ROUND_UP(cpu->pstate.min_freq, scaling);
+	cpu->pstate.min_pstate = intel_pstate_freq_to_hwp(cpu, freq);
 }
 
 static inline void update_turbo_state(void)

@@ -2493,13 +2518,12 @@ static void intel_pstate_update_perf_lim
 	 * abstract values to represent performance rather than pure ratios.
 	 */
 	if (hwp_active && cpu->pstate.scaling != perf_ctl_scaling) {
-		int scaling = cpu->pstate.scaling;
 		int freq;
 
 		freq = max_policy_perf * perf_ctl_scaling;
-		max_policy_perf = DIV_ROUND_UP(freq, scaling);
+		max_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
 		freq = min_policy_perf * perf_ctl_scaling;
-		min_policy_perf = DIV_ROUND_UP(freq, scaling);
+		min_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
 	}
 
 	pr_debug("cpu:%d min_policy_perf:%d max_policy_perf:%d\n",

@@ -2873,18 +2897,7 @@ static int intel_cpufreq_target(struct c
 
 	cpufreq_freq_transition_begin(policy, &freqs);
 
-	switch (relation) {
-	case CPUFREQ_RELATION_L:
-		target_pstate = DIV_ROUND_UP(freqs.new, cpu->pstate.scaling);
-		break;
-	case CPUFREQ_RELATION_H:
-		target_pstate = freqs.new / cpu->pstate.scaling;
-		break;
-	default:
-		target_pstate = DIV_ROUND_CLOSEST(freqs.new, cpu->pstate.scaling);
-		break;
-	}
-
+	target_pstate = intel_pstate_freq_to_hwp_rel(cpu, freqs.new, relation);
 	target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, false);
 
 	freqs.new = target_pstate * cpu->pstate.scaling;

@@ -2902,7 +2915,7 @@ static unsigned int intel_cpufreq_fast_s
 
 	update_turbo_state();
 
-	target_pstate = DIV_ROUND_UP(target_freq, cpu->pstate.scaling);
+	target_pstate = intel_pstate_freq_to_hwp(cpu, target_freq);
 
 	target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, true);
 

@@ -1382,6 +1382,7 @@ retry:
 out:
 	if (fb)
 		drm_framebuffer_put(fb);
+	fb = NULL;
 	if (plane->old_fb)
 		drm_framebuffer_put(plane->old_fb);
 	plane->old_fb = NULL;

@@ -56,13 +56,13 @@ static int ptn3460_read_bytes(struct ptn
 	ret = i2c_master_send(ptn_bridge->client, &addr, 1);
 	if (ret <= 0) {
 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
-		return ret;
+		return ret ?: -EIO;
 	}
 
 	ret = i2c_master_recv(ptn_bridge->client, buf, len);
-	if (ret <= 0) {
+	if (ret != len) {
 		DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
-		return ret;
+		return ret < 0 ? ret : -EIO;
 	}
 
 	return 0;

@@ -78,9 +78,9 @@ static int ptn3460_write_byte(struct ptn
 	buf[1] = val;
 
 	ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
-	if (ret <= 0) {
+	if (ret != ARRAY_SIZE(buf)) {
 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
-		return ret;
+		return ret < 0 ? ret : -EIO;
 	}
 
 	return 0;

@@ -170,13 +170,13 @@ static void tidss_crtc_atomic_flush(stru
 	struct tidss_device *tidss = to_tidss(ddev);
 	unsigned long flags;
 
-	dev_dbg(ddev->dev,
-		"%s: %s enabled %d, needs modeset %d, event %p\n", __func__,
-		crtc->name, drm_atomic_crtc_needs_modeset(crtc->state),
-		crtc->state->enable, crtc->state->event);
+	dev_dbg(ddev->dev, "%s: %s is %sactive, %s modeset, event %p\n",
+		__func__, crtc->name, crtc->state->active ? "" : "not ",
+		drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need",
+		crtc->state->event);
 
 	/* There is nothing to do if CRTC is not going to be enabled. */
-	if (!crtc->state->enable)
+	if (!crtc->state->active)
 		return;
 
 	/*

@@ -818,6 +818,8 @@ bool is_psr_su_specific_panel(struct dc_
 				isPSRSUSupported = false;
 			else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
 				isPSRSUSupported = false;
+			else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
+				isPSRSUSupported = false;
 			else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1)
 				isPSRSUSupported = true;
 		}

@@ -74,30 +74,30 @@ static ssize_t show_perf_status_freq_khz
 }
 
 #define store_uncore_min_max(name, min_max)				\
-	static ssize_t store_##name(struct device *dev,		\
-				     struct device_attribute *attr,	\
+	static ssize_t store_##name(struct kobject *kobj,		\
+				     struct kobj_attribute *attr,	\
 				     const char *buf, size_t count)	\
 	{								\
-		struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+		struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
 									\
 		return store_min_max_freq_khz(data, buf, count,	\
 					      min_max);		\
 	}
 
 #define show_uncore_min_max(name, min_max)				\
-	static ssize_t show_##name(struct device *dev,		\
-				    struct device_attribute *attr, char *buf)\
+	static ssize_t show_##name(struct kobject *kobj,		\
+				    struct kobj_attribute *attr, char *buf)\
 	{                                                               \
-		struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+		struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
 									\
 		return show_min_max_freq_khz(data, buf, min_max);	\
 	}
 
 #define show_uncore_perf_status(name)					\
-	static ssize_t show_##name(struct device *dev,		\
-				   struct device_attribute *attr, char *buf)\
+	static ssize_t show_##name(struct kobject *kobj,		\
+				   struct kobj_attribute *attr, char *buf)\
 	{                                                               \
-		struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+		struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
 									\
 		return show_perf_status_freq_khz(data, buf); \
 	}

@@ -111,11 +111,11 @@ show_uncore_min_max(max_freq_khz, 1);
 show_uncore_perf_status(current_freq_khz);
 
 #define show_uncore_data(member_name)					\
-	static ssize_t show_##member_name(struct device *dev,	\
-					   struct device_attribute *attr, char *buf)\
+	static ssize_t show_##member_name(struct kobject *kobj,	\
+					   struct kobj_attribute *attr, char *buf)\
 	{                                                               \
 		struct uncore_data *data = container_of(attr, struct uncore_data,\
-							  member_name##_dev_attr);\
+							  member_name##_kobj_attr);\
 									\
 		return sysfs_emit(buf, "%u\n",				\
 				 data->member_name);			\

@@ -126,29 +126,29 @@ show_uncore_data(initial_max_freq_khz);
 
 #define init_attribute_rw(_name)					\
 	do {								\
-		sysfs_attr_init(&data->_name##_dev_attr.attr);	\
-		data->_name##_dev_attr.show = show_##_name;		\
-		data->_name##_dev_attr.store = store_##_name;		\
-		data->_name##_dev_attr.attr.name = #_name;		\
-		data->_name##_dev_attr.attr.mode = 0644;		\
+		sysfs_attr_init(&data->_name##_kobj_attr.attr);	\
+		data->_name##_kobj_attr.show = show_##_name;		\
+		data->_name##_kobj_attr.store = store_##_name;		\
+		data->_name##_kobj_attr.attr.name = #_name;		\
+		data->_name##_kobj_attr.attr.mode = 0644;		\
 	} while (0)
 
 #define init_attribute_ro(_name)					\
 	do {								\
-		sysfs_attr_init(&data->_name##_dev_attr.attr);	\
-		data->_name##_dev_attr.show = show_##_name;		\
-		data->_name##_dev_attr.store = NULL;			\
-		data->_name##_dev_attr.attr.name = #_name;		\
-		data->_name##_dev_attr.attr.mode = 0444;		\
+		sysfs_attr_init(&data->_name##_kobj_attr.attr);	\
+		data->_name##_kobj_attr.show = show_##_name;		\
+		data->_name##_kobj_attr.store = NULL;			\
+		data->_name##_kobj_attr.attr.name = #_name;		\
+		data->_name##_kobj_attr.attr.mode = 0444;		\
 	} while (0)
 
 #define init_attribute_root_ro(_name)					\
 	do {								\
-		sysfs_attr_init(&data->_name##_dev_attr.attr);	\
-		data->_name##_dev_attr.show = show_##_name;		\
-		data->_name##_dev_attr.store = NULL;			\
-		data->_name##_dev_attr.attr.name = #_name;		\
-		data->_name##_dev_attr.attr.mode = 0400;		\
+		sysfs_attr_init(&data->_name##_kobj_attr.attr);	\
+		data->_name##_kobj_attr.show = show_##_name;		\
+		data->_name##_kobj_attr.store = NULL;			\
+		data->_name##_kobj_attr.attr.name = #_name;		\
+		data->_name##_kobj_attr.attr.mode = 0400;		\
 	} while (0)
 
 static int create_attr_group(struct uncore_data *data, char *name)

@@ -161,14 +161,14 @@ static int create_attr_group(struct unco
 	init_attribute_ro(initial_max_freq_khz);
 	init_attribute_root_ro(current_freq_khz);
 
-	data->uncore_attrs[index++] = &data->max_freq_khz_dev_attr.attr;
-	data->uncore_attrs[index++] = &data->min_freq_khz_dev_attr.attr;
-	data->uncore_attrs[index++] = &data->initial_min_freq_khz_dev_attr.attr;
-	data->uncore_attrs[index++] = &data->initial_max_freq_khz_dev_attr.attr;
+	data->uncore_attrs[index++] = &data->max_freq_khz_kobj_attr.attr;
+	data->uncore_attrs[index++] = &data->min_freq_khz_kobj_attr.attr;
+	data->uncore_attrs[index++] = &data->initial_min_freq_khz_kobj_attr.attr;
+	data->uncore_attrs[index++] = &data->initial_max_freq_khz_kobj_attr.attr;
 
 	ret = uncore_read_freq(data, &freq);
 	if (!ret)
-		data->uncore_attrs[index++] = &data->current_freq_khz_dev_attr.attr;
+		data->uncore_attrs[index++] = &data->current_freq_khz_kobj_attr.attr;
 
 	data->uncore_attrs[index] = NULL;
 

@@ -23,11 +23,11 @@
  * @die_id:		Die id for this instance
  * @name:		Sysfs entry name for this instance
  * @uncore_attr_group:	Attribute group storage
- * @max_freq_khz_dev_attr: Storage for device attribute max_freq_khz
- * @mix_freq_khz_dev_attr: Storage for device attribute min_freq_khz
- * @initial_max_freq_khz_dev_attr: Storage for device attribute initial_max_freq_khz
- * @initial_min_freq_khz_dev_attr: Storage for device attribute initial_min_freq_khz
- * @current_freq_khz_dev_attr: Storage for device attribute current_freq_khz
+ * @max_freq_khz_dev_attr: Storage for kobject attribute max_freq_khz
+ * @mix_freq_khz_dev_attr: Storage for kobject attribute min_freq_khz
+ * @initial_max_freq_khz_dev_attr: Storage for kobject attribute initial_max_freq_khz
+ * @initial_min_freq_khz_dev_attr: Storage for kobject attribute initial_min_freq_khz
+ * @current_freq_khz_dev_attr: Storage for kobject attribute current_freq_khz
  * @uncore_attrs:	Attribute storage for group creation
  *
  * This structure is used to encapsulate all data related to uncore sysfs

@@ -44,11 +44,11 @@ struct uncore_data {
 	char name[32];
 
 	struct attribute_group uncore_attr_group;
-	struct device_attribute max_freq_khz_dev_attr;
-	struct device_attribute min_freq_khz_dev_attr;
-	struct device_attribute initial_max_freq_khz_dev_attr;
-	struct device_attribute initial_min_freq_khz_dev_attr;
-	struct device_attribute current_freq_khz_dev_attr;
+	struct kobj_attribute max_freq_khz_kobj_attr;
+	struct kobj_attribute min_freq_khz_kobj_attr;
+	struct kobj_attribute initial_max_freq_khz_kobj_attr;
+	struct kobj_attribute initial_min_freq_khz_kobj_attr;
+	struct kobj_attribute current_freq_khz_kobj_attr;
 	struct attribute *uncore_attrs[6];
 };
 

@@ -54,15 +54,15 @@ static int ptn3460_read_bytes(struct ptn
 	int ret;
 
 	ret = i2c_master_send(ptn_bridge->client, &addr, 1);
-	if (ret <= 0) {
+	if (ret < 0) {
 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
-		return ret ?: -EIO;
+		return ret;
 	}
 
 	ret = i2c_master_recv(ptn_bridge->client, buf, len);
-	if (ret != len) {
+	if (ret < 0) {
 		DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
-		return ret < 0 ? ret : -EIO;
+		return ret;
 	}
 
 	return 0;

@@ -78,9 +78,9 @@ static int ptn3460_write_byte(struct ptn
 	buf[1] = val;
 
 	ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
-	if (ret != ARRAY_SIZE(buf)) {
+	if (ret < 0) {
 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
-		return ret < 0 ? ret : -EIO;
+		return ret;
 	}
 
 	return 0;

@@ -131,30 +131,27 @@ static int dcn314_get_active_display_cnt
 	return display_count;
 }
 
-static void dcn314_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable)
+static void dcn314_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context,
+				  bool safe_to_lower, bool disable)
 {
 	struct dc *dc = clk_mgr_base->ctx->dc;
 	int i;
 
 	for (i = 0; i < dc->res_pool->pipe_count; ++i) {
-		struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *pipe = safe_to_lower
+			? &context->res_ctx.pipe_ctx[i]
+			: &dc->current_state->res_ctx.pipe_ctx[i];
 
 		if (pipe->top_pipe || pipe->prev_odm_pipe)
 			continue;
 		if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))) {
-			struct stream_encoder *stream_enc = pipe->stream_res.stream_enc;
-
 			if (disable) {
-				if (stream_enc && stream_enc->funcs->disable_fifo)
-					pipe->stream_res.stream_enc->funcs->disable_fifo(stream_enc);
+				if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc)
+					pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
 
-				pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
 				reset_sync_context_for_pipe(dc, context, i);
 			} else {
 				pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
-
-				if (stream_enc && stream_enc->funcs->enable_fifo)
-					pipe->stream_res.stream_enc->funcs->enable_fifo(stream_enc);
 			}
 		}
 	}

@@ -254,11 +251,11 @@ void dcn314_update_clocks(struct clk_mgr
 	}
 
 	if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
-		dcn314_disable_otg_wa(clk_mgr_base, context, true);
+		dcn314_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true);
 
 		clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
 		dcn314_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
-		dcn314_disable_otg_wa(clk_mgr_base, context, false);
+		dcn314_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false);
 
 		update_dispclk = true;
 	}

@@ -24,6 +24,7 @@
 
 #include <linux/firmware.h>
 #include <linux/pci.h>
+#include <linux/power_supply.h>
 #include <linux/reboot.h>
 
 #include "amdgpu.h"

@@ -731,16 +732,8 @@ static int smu_late_init(void *handle)
 	 * handle the switch automatically. Driver involvement
 	 * is unnecessary.
 	 */
-	if (!smu->dc_controlled_by_gpio) {
-		ret = smu_set_power_source(smu,
-					   adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
-					   SMU_POWER_SOURCE_DC);
-		if (ret) {
-			dev_err(adev->dev, "Failed to switch to %s mode!\n",
-				adev->pm.ac_power ? "AC" : "DC");
-			return ret;
-		}
-	}
+	adev->pm.ac_power = power_supply_is_system_supplied() > 0;
+	smu_set_ac_dc(smu);
 
 	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
 	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))

@@ -1467,10 +1467,12 @@ static int smu_v11_0_irq_process(struct
 			case 0x3:
 				dev_dbg(adev->dev, "Switched to AC mode!\n");
 				schedule_work(&smu->interrupt_work);
+				adev->pm.ac_power = true;
 				break;
 			case 0x4:
 				dev_dbg(adev->dev, "Switched to DC mode!\n");
 				schedule_work(&smu->interrupt_work);
+				adev->pm.ac_power = false;
 				break;
 			case 0x7:
 				/*

@@ -1415,10 +1415,12 @@ static int smu_v13_0_irq_process(struct
 			case 0x3:
 				dev_dbg(adev->dev, "Switched to AC mode!\n");
 				smu_v13_0_ack_ac_dc_interrupt(smu);
+				adev->pm.ac_power = true;
 				break;
 			case 0x4:
 				dev_dbg(adev->dev, "Switched to DC mode!\n");
 				smu_v13_0_ack_ac_dc_interrupt(smu);
+				adev->pm.ac_power = false;
 				break;
 			case 0x7:
 				/*

index 51b7ac7166d9..59294182e4cb 100644
@@ -148,7 +148,7 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 		*maptype = 0;
 		return inpage;
 	}
-	kunmap_atomic(inpage);
+	kunmap_local(inpage);
 	might_sleep();
 	src = erofs_vm_map_ram(rq->in, ctx->inpages);
 	if (!src)

@@ -162,7 +162,7 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 	src = erofs_get_pcpubuf(ctx->inpages);
 	if (!src) {
 		DBG_BUGON(1);
-		kunmap_atomic(inpage);
+		kunmap_local(inpage);
 		return ERR_PTR(-EFAULT);
 	}
 

@@ -173,9 +173,9 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 			min_t(unsigned int, total, PAGE_SIZE - *inputmargin);
 
 		if (!inpage)
-			inpage = kmap_atomic(*in);
+			inpage = kmap_local_page(*in);
 		memcpy(tmp, inpage + *inputmargin, page_copycnt);
-		kunmap_atomic(inpage);
+		kunmap_local(inpage);
 		inpage = NULL;
 		tmp += page_copycnt;
 		total -= page_copycnt;

@@ -214,7 +214,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
 	int ret, maptype;
 
 	DBG_BUGON(*rq->in == NULL);
-	headpage = kmap_atomic(*rq->in);
+	headpage = kmap_local_page(*rq->in);
 
 	/* LZ4 decompression inplace is only safe if zero_padding is enabled */
 	if (erofs_sb_has_zero_padding(EROFS_SB(rq->sb))) {

@@ -223,7 +223,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
 				min_t(unsigned int, rq->inputsize,
 				      EROFS_BLKSIZ - rq->pageofs_in));
 		if (ret) {
-			kunmap_atomic(headpage);
+			kunmap_local(headpage);
 			return ret;
 		}
 		may_inplace = !((rq->pageofs_in + rq->inputsize) &

@@ -261,7 +261,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
 	}
 
 	if (maptype == 0) {
-		kunmap_atomic(headpage);
+		kunmap_local(headpage);
 	} else if (maptype == 1) {
 		vm_unmap_ram(src, ctx->inpages);
 	} else if (maptype == 2) {

@@ -289,7 +289,7 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq,
 	/* one optimized fast path only for non bigpcluster cases yet */
 	if (ctx.inpages == 1 && ctx.outpages == 1 && !rq->inplace_io) {
 		DBG_BUGON(!*rq->out);
-		dst = kmap_atomic(*rq->out);
+		dst = kmap_local_page(*rq->out);
 		dst_maptype = 0;
 		goto dstmap_out;
 	}

@@ -311,7 +311,7 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq,
 dstmap_out:
 	ret = z_erofs_lz4_decompress_mem(&ctx, dst + rq->pageofs_out);
 	if (!dst_maptype)
-		kunmap_atomic(dst);
+		kunmap_local(dst);
 	else if (dst_maptype == 2)
 		vm_unmap_ram(dst, ctx.outpages);
 	return ret;

index 59294182e4cb..0cfad74374ca 100644
@@ -122,11 +122,11 @@ static int z_erofs_lz4_prepare_dstpages(struct z_erofs_lz4_decompress_ctx *ctx,
 }
 
 static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
-			void *inpage, unsigned int *inputmargin, int *maptype,
-			bool may_inplace)
+			void *inpage, void *out, unsigned int *inputmargin,
+			int *maptype, bool may_inplace)
 {
 	struct z_erofs_decompress_req *rq = ctx->rq;
-	unsigned int omargin, total, i, j;
+	unsigned int omargin, total, i;
 	struct page **in;
 	void *src, *tmp;
 

@@ -136,12 +136,13 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 		    omargin < LZ4_DECOMPRESS_INPLACE_MARGIN(rq->inputsize))
 			goto docopy;
 
-		for (i = 0; i < ctx->inpages; ++i) {
-			DBG_BUGON(rq->in[i] == NULL);
-			for (j = 0; j < ctx->outpages - ctx->inpages + i; ++j)
-				if (rq->out[j] == rq->in[i])
-					goto docopy;
-		}
+		for (i = 0; i < ctx->inpages; ++i)
+			if (rq->out[ctx->outpages - ctx->inpages + i] !=
+			    rq->in[i])
+				goto docopy;
+		kunmap_local(inpage);
+		*maptype = 3;
+		return out + ((ctx->outpages - ctx->inpages) << PAGE_SHIFT);
 	}
 
 	if (ctx->inpages <= 1) {

@@ -149,7 +150,6 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 		return inpage;
 	}
 	kunmap_local(inpage);
-	might_sleep();
 	src = erofs_vm_map_ram(rq->in, ctx->inpages);
 	if (!src)
 		return ERR_PTR(-ENOMEM);

@@ -205,12 +205,12 @@ int z_erofs_fixup_insize(struct z_erofs_decompress_req *rq, const char *padbuf,
 }
 
 static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
-				      u8 *out)
+				      u8 *dst)
 {
 	struct z_erofs_decompress_req *rq = ctx->rq;
 	bool support_0padding = false, may_inplace = false;
 	unsigned int inputmargin;
-	u8 *headpage, *src;
+	u8 *out, *headpage, *src;
 	int ret, maptype;
 
 	DBG_BUGON(*rq->in == NULL);

@@ -231,11 +231,12 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
 	}
 
 	inputmargin = rq->pageofs_in;
-	src = z_erofs_lz4_handle_overlap(ctx, headpage, &inputmargin,
+	src = z_erofs_lz4_handle_overlap(ctx, headpage, dst, &inputmargin,
 					 &maptype, may_inplace);
 	if (IS_ERR(src))
 		return PTR_ERR(src);
 
+	out = dst + rq->pageofs_out;
 	/* legacy format could compress extra data in a pcluster. */
 	if (rq->partial_decoding || !support_0padding)
 		ret = LZ4_decompress_safe_partial(src + inputmargin, out,

@@ -266,7 +267,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx,
 		vm_unmap_ram(src, ctx->inpages);
 	} else if (maptype == 2) {
 		erofs_put_pcpubuf(src);
-	} else {
+	} else if (maptype != 3) {
 		DBG_BUGON(1);
 		return -EFAULT;
 	}

@@ -309,7 +310,7 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq,
 	}
 
 dstmap_out:
-	ret = z_erofs_lz4_decompress_mem(&ctx, dst + rq->pageofs_out);
+	ret = z_erofs_lz4_decompress_mem(&ctx, dst);
 	if (!dst_maptype)
 		kunmap_local(dst);
 	else if (dst_maptype == 2)

index 549e5d93e568..722f490f9db4 100644
@@ -589,6 +589,9 @@ struct ov13b10 {
 
 	/* Streaming on/off */
 	bool streaming;
+
+	/* True if the device has been identified */
+	bool identified;
 };
 
 #define to_ov13b10(_sd)	container_of(_sd, struct ov13b10, sd)

@@ -1023,12 +1026,42 @@ ov13b10_set_pad_format(struct v4l2_subdev *sd,
 	return 0;
 }
 
+/* Verify chip ID */
+static int ov13b10_identify_module(struct ov13b10 *ov13b)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(&ov13b->sd);
+	int ret;
+	u32 val;
+
+	if (ov13b->identified)
+		return 0;
+
+	ret = ov13b10_read_reg(ov13b, OV13B10_REG_CHIP_ID,
+			       OV13B10_REG_VALUE_24BIT, &val);
+	if (ret)
+		return ret;
+
+	if (val != OV13B10_CHIP_ID) {
+		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+			OV13B10_CHIP_ID, val);
+		return -EIO;
+	}
+
+	ov13b->identified = true;
+
+	return 0;
+}
+
 static int ov13b10_start_streaming(struct ov13b10 *ov13b)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&ov13b->sd);
 	const struct ov13b10_reg_list *reg_list;
 	int ret, link_freq_index;
 
+	ret = ov13b10_identify_module(ov13b);
+	if (ret)
+		return ret;
+
 	/* Get out of from software reset */
 	ret = ov13b10_write_reg(ov13b, OV13B10_REG_SOFTWARE_RST,
 				OV13B10_REG_VALUE_08BIT, OV13B10_SOFTWARE_RST);

@@ -1144,27 +1177,6 @@ static int __maybe_unused ov13b10_resume(struct device *dev)
 	return ret;
 }
 
-/* Verify chip ID */
-static int ov13b10_identify_module(struct ov13b10 *ov13b)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(&ov13b->sd);
-	int ret;
-	u32 val;
-
-	ret = ov13b10_read_reg(ov13b, OV13B10_REG_CHIP_ID,
-			       OV13B10_REG_VALUE_24BIT, &val);
-	if (ret)
-		return ret;
-
-	if (val != OV13B10_CHIP_ID) {
-		dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
-			OV13B10_CHIP_ID, val);
-		return -EIO;
-	}
-
-	return 0;
-}
-
 static const struct v4l2_subdev_video_ops ov13b10_video_ops = {
 	.s_stream = ov13b10_set_stream,
 };

@@ -1379,6 +1391,7 @@ static int ov13b10_check_hwcfg(struct device *dev)
 static int ov13b10_probe(struct i2c_client *client)
 {
 	struct ov13b10 *ov13b;
+	bool full_power;
 	int ret;
 
 	/* Check HW config */

@@ -1395,11 +1408,14 @@ static int ov13b10_probe(struct i2c_client *client)
 	/* Initialize subdev */
 	v4l2_i2c_subdev_init(&ov13b->sd, client, &ov13b10_subdev_ops);
 
-	/* Check module identity */
-	ret = ov13b10_identify_module(ov13b);
-	if (ret) {
-		dev_err(&client->dev, "failed to find sensor: %d\n", ret);
-		return ret;
+	full_power = acpi_dev_state_d0(&client->dev);
+	if (full_power) {
+		/* Check module identity */
+		ret = ov13b10_identify_module(ov13b);
+		if (ret) {
+			dev_err(&client->dev, "failed to find sensor: %d\n", ret);
+			return ret;
+		}
 	}
 
 	/* Set default mode to max resolution */

@@ -1431,7 +1447,10 @@ static int ov13b10_probe(struct i2c_client *client)
 	 * Device is already turned on by i2c-core with ACPI domain PM.
 	 * Enable runtime PM and turn off the device.
 	 */
-	pm_runtime_set_active(&client->dev);
+
+	/* Set the device's state to active if it's in D0 state. */
+	if (full_power)
+		pm_runtime_set_active(&client->dev);
 	pm_runtime_enable(&client->dev);
 	pm_runtime_idle(&client->dev);
 

@@ -1480,6 +1499,7 @@ static struct i2c_driver ov13b10_i2c_driver = {
 	},
 	.probe_new = ov13b10_probe,
 	.remove = ov13b10_remove,
+	.flags = I2C_DRV_ACPI_WAIVE_D0_PROBE,
 };
 
 module_i2c_driver(ov13b10_i2c_driver);

index 722f490f9db4..368a3c2bfe34 100644
@@ -1439,24 +1439,27 @@ static int ov13b10_probe(struct i2c_client *client)
 		goto error_handler_free;
 	}
 
-	ret = v4l2_async_register_subdev_sensor(&ov13b->sd);
-	if (ret < 0)
-		goto error_media_entity;
 
 	/*
 	 * Device is already turned on by i2c-core with ACPI domain PM.
 	 * Enable runtime PM and turn off the device.
 	 */
-
 	/* Set the device's state to active if it's in D0 state. */
 	if (full_power)
 		pm_runtime_set_active(&client->dev);
 	pm_runtime_enable(&client->dev);
 	pm_runtime_idle(&client->dev);
 
+	ret = v4l2_async_register_subdev_sensor(&ov13b->sd);
+	if (ret < 0)
+		goto error_media_entity_runtime_pm;
+
 	return 0;
 
-error_media_entity:
+error_media_entity_runtime_pm:
+	pm_runtime_disable(&client->dev);
+	if (full_power)
+		pm_runtime_set_suspended(&client->dev);
 	media_entity_cleanup(&ov13b->sd.entity);
 
 error_handler_free:

@@ -1476,6 +1479,7 @@ static void ov13b10_remove(struct i2c_client *client)
 	ov13b10_free_controls(ov13b);
 
 	pm_runtime_disable(&client->dev);
+	pm_runtime_set_suspended(&client->dev);
 }
 
 static const struct dev_pm_ops ov13b10_pm_ops = {

index edd153dda40c..34e0ba6f52d0 100644
@@ -71,45 +71,77 @@ static int mhi_ep_send_event(struct mhi_ep_cntrl *mhi_cntrl, u32 ring_idx,
 static int mhi_ep_send_completion_event(struct mhi_ep_cntrl *mhi_cntrl, struct mhi_ep_ring *ring,
 					struct mhi_ring_element *tre, u32 len, enum mhi_ev_ccs code)
 {
-	struct mhi_ring_element event = {};
+	struct mhi_ring_element *event;
+	int ret;
+
+	event = kzalloc(sizeof(struct mhi_ring_element), GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
 
-	event.ptr = cpu_to_le64(ring->rbase + ring->rd_offset * sizeof(*tre));
-	event.dword[0] = MHI_TRE_EV_DWORD0(code, len);
-	event.dword[1] = MHI_TRE_EV_DWORD1(ring->ch_id, MHI_PKT_TYPE_TX_EVENT);
+	event->ptr = cpu_to_le64(ring->rbase + ring->rd_offset * sizeof(*tre));
+	event->dword[0] = MHI_TRE_EV_DWORD0(code, len);
+	event->dword[1] = MHI_TRE_EV_DWORD1(ring->ch_id, MHI_PKT_TYPE_TX_EVENT);
 
-	return mhi_ep_send_event(mhi_cntrl, ring->er_index, &event, MHI_TRE_DATA_GET_BEI(tre));
+	ret = mhi_ep_send_event(mhi_cntrl, ring->er_index, event, MHI_TRE_DATA_GET_BEI(tre));
+	kfree(event);
+
+	return ret;
 }
 
 int mhi_ep_send_state_change_event(struct mhi_ep_cntrl *mhi_cntrl, enum mhi_state state)
 {
-	struct mhi_ring_element event = {};
+	struct mhi_ring_element *event;
+	int ret;
+
+	event = kzalloc(sizeof(struct mhi_ring_element), GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
 
-	event.dword[0] = MHI_SC_EV_DWORD0(state);
-	event.dword[1] = MHI_SC_EV_DWORD1(MHI_PKT_TYPE_STATE_CHANGE_EVENT);
+	event->dword[0] = MHI_SC_EV_DWORD0(state);
+	event->dword[1] = MHI_SC_EV_DWORD1(MHI_PKT_TYPE_STATE_CHANGE_EVENT);
 
-	return mhi_ep_send_event(mhi_cntrl, 0, &event, 0);
+	ret = mhi_ep_send_event(mhi_cntrl, 0, event, 0);
+	kfree(event);
+
+	return ret;
 }
 
 int mhi_ep_send_ee_event(struct mhi_ep_cntrl *mhi_cntrl, enum mhi_ee_type exec_env)
 {
-	struct mhi_ring_element event = {};
+	struct mhi_ring_element *event;
+	int ret;
+
+	event = kzalloc(sizeof(struct mhi_ring_element), GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
 
-	event.dword[0] = MHI_EE_EV_DWORD0(exec_env);
-	event.dword[1] = MHI_SC_EV_DWORD1(MHI_PKT_TYPE_EE_EVENT);
+	event->dword[0] = MHI_EE_EV_DWORD0(exec_env);
+	event->dword[1] = MHI_SC_EV_DWORD1(MHI_PKT_TYPE_EE_EVENT);
 
-	return mhi_ep_send_event(mhi_cntrl, 0, &event, 0);
+	ret = mhi_ep_send_event(mhi_cntrl, 0, event, 0);
+	kfree(event);
+
+	return ret;
 }
 
 static int mhi_ep_send_cmd_comp_event(struct mhi_ep_cntrl *mhi_cntrl, enum mhi_ev_ccs code)
 {
 	struct mhi_ep_ring *ring = &mhi_cntrl->mhi_cmd->ring;
-	struct mhi_ring_element event = {};
+	struct mhi_ring_element *event;
+	int ret;
+
+	event = kzalloc(sizeof(struct mhi_ring_element), GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
 
-	event.ptr = cpu_to_le64(ring->rbase + ring->rd_offset * sizeof(struct mhi_ring_element));
-	event.dword[0] = MHI_CC_EV_DWORD0(code);
-	event.dword[1] = MHI_CC_EV_DWORD1(MHI_PKT_TYPE_CMD_COMPLETION_EVENT);
+	event->ptr = cpu_to_le64(ring->rbase + ring->rd_offset * sizeof(struct mhi_ring_element));
+	event->dword[0] = MHI_CC_EV_DWORD0(code);
+	event->dword[1] = MHI_CC_EV_DWORD1(MHI_PKT_TYPE_CMD_COMPLETION_EVENT);
 
-	return mhi_ep_send_event(mhi_cntrl, 0, &event, 0);
+	ret = mhi_ep_send_event(mhi_cntrl, 0, event, 0);
+	kfree(event);
+
+	return ret;
 }
 
 static int mhi_ep_process_cmd_ring(struct mhi_ep_ring *ring, struct mhi_ring_element *el)

index c50139207794..f85f3515c258 100644
@@ -679,7 +679,7 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
 
 static void async_resume_noirq(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = device_resume_noirq(dev, pm_transition, true);

@@ -816,7 +816,7 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn
 
 static void async_resume_early(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = device_resume_early(dev, pm_transition, true);

@@ -980,7 +980,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 
 static void async_resume(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = device_resume(dev, pm_transition, true);

@@ -1269,7 +1269,7 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
 
 static void async_suspend_noirq(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = __device_suspend_noirq(dev, pm_transition, true);

@@ -1450,7 +1450,7 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as
 
 static void async_suspend_late(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = __device_suspend_late(dev, pm_transition, true);

@@ -1727,7 +1727,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 
 static void async_suspend(void *data, async_cookie_t cookie)
 {
-	struct device *dev = (struct device *)data;
+	struct device *dev = data;
 	int error;
 
 	error = __device_suspend(dev, pm_transition, true);

index f85f3515c258..9c5a5f4dba5a 100644
@@ -579,7 +579,7 @@ bool dev_pm_skip_resume(struct device *dev)
 }
 
 /**
- * device_resume_noirq - Execute a "noirq resume" callback for given device.
+ * __device_resume_noirq - Execute a "noirq resume" callback for given device.
  * @dev: Device to handle.
  * @state: PM transition of the system being carried out.
  * @async: If true, the device is being resumed asynchronously.

@@ -587,7 +587,7 @@ bool dev_pm_skip_resume(struct device *dev)
  * The driver of @dev will not receive interrupts while this function is being
  * executed.
  */
-static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_noirq(struct device *dev, pm_message_t state, bool async)
 {
 	pm_callback_t callback = NULL;
 	const char *info = NULL;

@@ -655,7 +655,13 @@ static int device_resume_noirq(struct device *dev, pm_message_t state, bool asyn
 Out:
 	complete_all(&dev->power.completion);
 	TRACE_RESUME(error);
-	return error;
+
+	if (error) {
+		suspend_stats.failed_resume_noirq++;
+		dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
+		dpm_save_failed_dev(dev_name(dev));
+		pm_dev_err(dev, state, async ? " async noirq" : " noirq", error);
+	}
 }
 
 static bool is_async(struct device *dev)

@@ -668,11 +674,15 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
 {
 	reinit_completion(&dev->power.completion);
 
-	if (is_async(dev)) {
-		get_device(dev);
-		async_schedule_dev(func, dev);
+	if (!is_async(dev))
+		return false;
+
+	get_device(dev);
+
+	if (async_schedule_dev_nocall(func, dev))
 		return true;
-	}
+
+	put_device(dev);
 
 	return false;
 }

@@ -680,15 +690,19 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
 static void async_resume_noirq(void *data, async_cookie_t cookie)
 {
 	struct device *dev = data;
-	int error;
-
-	error = device_resume_noirq(dev, pm_transition, true);
-	if (error)
-		pm_dev_err(dev, pm_transition, " async", error);
 
+	__device_resume_noirq(dev, pm_transition, true);
 	put_device(dev);
 }
 
+static void device_resume_noirq(struct device *dev)
+{
+	if (dpm_async_fn(dev, async_resume_noirq))
+		return;
+
+	__device_resume_noirq(dev, pm_transition, false);
+}
+
 static void dpm_noirq_resume_devices(pm_message_t state)
 {
 	struct device *dev;

@@ -698,14 +712,6 @@ static void dpm_noirq_resume_devices(pm_message_t state)
 	mutex_lock(&dpm_list_mtx);
 	pm_transition = state;
 
-	/*
-	 * Advanced the async threads upfront,
-	 * in case the starting of async threads is
-	 * delayed by non-async resuming devices.
-	 */
-	list_for_each_entry(dev, &dpm_noirq_list, power.entry)
-		dpm_async_fn(dev, async_resume_noirq);
-
 	while (!list_empty(&dpm_noirq_list)) {
 		dev = to_device(dpm_noirq_list.next);
 		get_device(dev);

@@ -713,17 +719,7 @@ static void dpm_noirq_resume_devices(pm_message_t state)
 
 		mutex_unlock(&dpm_list_mtx);
 
-		if (!is_async(dev)) {
-			int error;
-
-			error = device_resume_noirq(dev, state, false);
-			if (error) {
-				suspend_stats.failed_resume_noirq++;
-				dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
-				dpm_save_failed_dev(dev_name(dev));
-				pm_dev_err(dev, state, " noirq", error);
-			}
-		}
+		device_resume_noirq(dev);
 
 		put_device(dev);
 

@@ -751,14 +747,14 @@ void dpm_resume_noirq(pm_message_t state)
 }
 
 /**
- * device_resume_early - Execute an "early resume" callback for given device.
+ * __device_resume_early - Execute an "early resume" callback for given device.
  * @dev: Device to handle.
  * @state: PM transition of the system being carried out.
  * @async: If true, the device is being resumed asynchronously.
  *
  * Runtime PM is disabled for @dev while this function is being executed.
  */
-static int device_resume_early(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_early(struct device *dev, pm_message_t state, bool async)
 {
 	pm_callback_t callback = NULL;
 	const char *info = NULL;

@@ -811,21 +807,31 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn
 
 	pm_runtime_enable(dev);
 	complete_all(&dev->power.completion);
-	return error;
+
+	if (error) {
+		suspend_stats.failed_resume_early++;
+		dpm_save_failed_step(SUSPEND_RESUME_EARLY);
+		dpm_save_failed_dev(dev_name(dev));
+		pm_dev_err(dev, state, async ? " async early" : " early", error);
+	}
 }
 
 static void async_resume_early(void *data, async_cookie_t cookie)
 {
 	struct device *dev = data;
-	int error;
-
-	error = device_resume_early(dev, pm_transition, true);
-	if (error)
-		pm_dev_err(dev, pm_transition, " async", error);
 
+	__device_resume_early(dev, pm_transition, true);
 	put_device(dev);
 }
 
+static void device_resume_early(struct device *dev)
+{
+	if (dpm_async_fn(dev, async_resume_early))
+		return;
+
+	__device_resume_early(dev, pm_transition, false);
+}
+
 /**
  * dpm_resume_early - Execute "early resume" callbacks for all devices.
  * @state: PM transition of the system being carried out.

@@ -839,14 +845,6 @@ void dpm_resume_early(pm_message_t state)
 	mutex_lock(&dpm_list_mtx);
 	pm_transition = state;
 
-	/*
-	 * Advanced the async threads upfront,
-	 * in case the starting of async threads is
-	 * delayed by non-async resuming devices.
-	 */
-	list_for_each_entry(dev, &dpm_late_early_list, power.entry)
-		dpm_async_fn(dev, async_resume_early);
-
 	while (!list_empty(&dpm_late_early_list)) {
 		dev = to_device(dpm_late_early_list.next);
 		get_device(dev);

@@ -854,17 +852,7 @@ void dpm_resume_early(pm_message_t state)
 
 		mutex_unlock(&dpm_list_mtx);
 
-		if (!is_async(dev)) {
-			int error;
-
-			error = device_resume_early(dev, state, false);
-			if (error) {
-				suspend_stats.failed_resume_early++;
-				dpm_save_failed_step(SUSPEND_RESUME_EARLY);
-				dpm_save_failed_dev(dev_name(dev));
-				pm_dev_err(dev, state, " early", error);
-			}
-		}
+		device_resume_early(dev);
 
 		put_device(dev);
 

@@ -888,12 +876,12 @@ void dpm_resume_start(pm_message_t state)
 EXPORT_SYMBOL_GPL(dpm_resume_start);
 
 /**
- * device_resume - Execute "resume" callbacks for given device.
+ * __device_resume - Execute "resume" callbacks for given device.
  * @dev: Device to handle.
  * @state: PM transition of the system being carried out.
  * @async: If true, the device is being resumed asynchronously.
  */
-static int device_resume(struct device *dev, pm_message_t state, bool async)
+static void __device_resume(struct device *dev, pm_message_t state, bool async)
 {
 	pm_callback_t callback = NULL;
 	const char *info = NULL;

@@ -975,20 +963,30 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 
 	TRACE_RESUME(error);
 
-	return error;
+	if (error) {
+		suspend_stats.failed_resume++;
+		dpm_save_failed_step(SUSPEND_RESUME);
+		dpm_save_failed_dev(dev_name(dev));
+		pm_dev_err(dev, state, async ? " async" : "", error);
+	}
 }
 
 static void async_resume(void *data, async_cookie_t cookie)
 {
 	struct device *dev = data;
-	int error;
 
-	error = device_resume(dev, pm_transition, true);
-	if (error)
-		pm_dev_err(dev, pm_transition, " async", error);
+	__device_resume(dev, pm_transition, true);
 	put_device(dev);
 }
 
+static void device_resume(struct device *dev)
+{
+	if (dpm_async_fn(dev, async_resume))
+		return;
+
+	__device_resume(dev, pm_transition, false);
+}
+
 /**
  * dpm_resume - Execute "resume" callbacks for non-sysdev devices.
  * @state: PM transition of the system being carried out.

@@ -1008,27 +1006,17 @@ void dpm_resume(pm_message_t state)
 	pm_transition = state;
 	async_error = 0;
 
-	list_for_each_entry(dev, &dpm_suspended_list, power.entry)
-		dpm_async_fn(dev, async_resume);
-
 	while (!list_empty(&dpm_suspended_list)) {
 		dev = to_device(dpm_suspended_list.next);
+
 		get_device(dev);
-		if (!is_async(dev)) {
-			int error;
 
-			mutex_unlock(&dpm_list_mtx);
+		mutex_unlock(&dpm_list_mtx);
+
+		device_resume(dev);
 
-			error = device_resume(dev, state, false);
-			if (error) {
-				suspend_stats.failed_resume++;
-				dpm_save_failed_step(SUSPEND_RESUME);
-				dpm_save_failed_dev(dev_name(dev));
-				pm_dev_err(dev, state, "", error);
-			}
+		mutex_lock(&dpm_list_mtx);
 
-			mutex_lock(&dpm_list_mtx);
-		}
 		if (!list_empty(&dev->power.entry))
 			list_move_tail(&dev->power.entry, &dpm_prepared_list);
 

index a0640f762dc5..1a014595ed49 100644
@@ -338,6 +338,26 @@ static void init_hfi_instance(struct hfi_instance *hfi_instance)
 	hfi_instance->data = hfi_instance->hdr + hfi_features.hdr_size;
 }
 
+/* Caller must hold hfi_instance_lock. */
+static void hfi_enable(void)
+{
+	u64 msr_val;
+
+	rdmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
+	msr_val |= HW_FEEDBACK_CONFIG_HFI_ENABLE_BIT;
+	wrmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
+}
+
+static void hfi_set_hw_table(struct hfi_instance *hfi_instance)
+{
+	phys_addr_t hw_table_pa;
+	u64 msr_val;
+
+	hw_table_pa = virt_to_phys(hfi_instance->hw_table);
+	msr_val = hw_table_pa | HW_FEEDBACK_PTR_VALID_BIT;
+	wrmsrl(MSR_IA32_HW_FEEDBACK_PTR, msr_val);
+}
+
 /**
  * intel_hfi_online() - Enable HFI on @cpu
  * @cpu:	CPU in which the HFI will be enabled

@@ -355,8 +375,6 @@ void intel_hfi_online(unsigned int cpu)
 {
 	struct hfi_instance *hfi_instance;
 	struct hfi_cpu_info *info;
-	phys_addr_t hw_table_pa;
-	u64 msr_val;
 	u16 die_id;
 
 	/* Nothing to do if hfi_instances are missing. */

@@ -400,8 +418,6 @@ void intel_hfi_online(unsigned int cpu)
 	if (!hfi_instance->hw_table)
 		goto unlock;
 
-	hw_table_pa = virt_to_phys(hfi_instance->hw_table);
-
 	/*
 	 * Allocate memory to keep a local copy of the table that
 	 * hardware generates.

@@ -411,16 +427,6 @@ void intel_hfi_online(unsigned int cpu)
 	if (!hfi_instance->local_table)
 		goto free_hw_table;
 
-	/*
-	 * Program the address of the feedback table of this die/package. On
-	 * some processors, hardware remembers the old address of the HFI table
-	 * even after having been reprogrammed and re-enabled. Thus, do not free
-	 * the pages allocated for the table or reprogram the hardware with a
-	 * new base address. Namely, program the hardware only once.
-	 */
-	msr_val = hw_table_pa | HW_FEEDBACK_PTR_VALID_BIT;
-	wrmsrl(MSR_IA32_HW_FEEDBACK_PTR, msr_val);
-
 	init_hfi_instance(hfi_instance);
 
 	INIT_DELAYED_WORK(&hfi_instance->update_work, hfi_update_work_fn);

@@ -429,13 +435,8 @@ void intel_hfi_online(unsigned int cpu)
 
 	cpumask_set_cpu(cpu, hfi_instance->cpus);
 
-	/*
-	 * Enable the hardware feedback interface and never disable it. See
-	 * comment on programming the address of the table.
-	 */
-	rdmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
-	msr_val |= HW_FEEDBACK_CONFIG_HFI_ENABLE_BIT;
-	wrmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
+	hfi_set_hw_table(hfi_instance);
+	hfi_enable();
 
 unlock:
 	mutex_unlock(&hfi_instance_lock);

index 1a014595ed49..5352fcb72ea3 100644
@@ -24,6 +24,7 @@
 #include <linux/bitops.h>
 #include <linux/cpufeature.h>
 #include <linux/cpumask.h>
+#include <linux/delay.h>
 #include <linux/gfp.h>
 #include <linux/io.h>
 #include <linux/kernel.h>

@@ -358,6 +359,32 @@ static void hfi_set_hw_table(struct hfi_instance *hfi_instance)
 	wrmsrl(MSR_IA32_HW_FEEDBACK_PTR, msr_val);
 }
 
+/* Caller must hold hfi_instance_lock. */
+static void hfi_disable(void)
+{
+	u64 msr_val;
+	int i;
+
+	rdmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
+	msr_val &= ~HW_FEEDBACK_CONFIG_HFI_ENABLE_BIT;
+	wrmsrl(MSR_IA32_HW_FEEDBACK_CONFIG, msr_val);
+
+	/*
+	 * Wait for hardware to acknowledge the disabling of HFI. Some
+	 * processors may not do it. Wait for ~2ms. This is a reasonable
+	 * time for hardware to complete any pending actions on the HFI
+	 * memory.
+	 */
+	for (i = 0; i < 2000; i++) {
+		rdmsrl(MSR_IA32_PACKAGE_THERM_STATUS, msr_val);
+		if (msr_val & PACKAGE_THERM_STATUS_HFI_UPDATED)
+			break;
+
+		udelay(1);
+		cpu_relax();
+	}
+}
+
 /**
  * intel_hfi_online() - Enable HFI on @cpu
  * @cpu:	CPU in which the HFI will be enabled

@@ -412,6 +439,10 @@ void intel_hfi_online(unsigned int cpu)
 	/*
 	 * Hardware is programmed with the physical address of the first page
 	 * frame of the table. Hence, the allocated memory must be page-aligned.
+	 *
+	 * Some processors do not forget the initial address of the HFI table
+	 * even after having been reprogrammed. Keep using the same pages. Do
+	 * not free them.
 	 */
 	hfi_instance->hw_table = alloc_pages_exact(hfi_features.nr_table_pages,
 						   GFP_KERNEL | __GFP_ZERO);

@@ -476,6 +507,10 @@ void intel_hfi_offline(unsigned int cpu)
 
 	mutex_lock(&hfi_instance_lock);
 	cpumask_clear_cpu(cpu, hfi_instance->cpus);
+
+	if (!cpumask_weight(hfi_instance->cpus))
+		hfi_disable();
+
 	mutex_unlock(&hfi_instance_lock);
 }
 

index 5352fcb72ea3..750dab3f259e 100644
@@ -35,7 +35,9 @@
 #include <linux/processor.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/suspend.h>
 #include <linux/string.h>
+#include <linux/syscore_ops.h>
 #include <linux/topology.h>
 #include <linux/workqueue.h>
 

@@ -559,6 +561,30 @@ static __init int hfi_parse_features(void)
 	return 0;
 }
 
+static void hfi_do_enable(void)
+{
+	/* This code runs only on the boot CPU. */
+	struct hfi_cpu_info *info = &per_cpu(hfi_cpu_info, 0);
+	struct hfi_instance *hfi_instance = info->hfi_instance;
+
+	/* No locking needed. There is no concurrency with CPU online. */
+	hfi_set_hw_table(hfi_instance);
+	hfi_enable();
+}
+
+static int hfi_do_disable(void)
+{
+	/* No locking needed. There is no concurrency with CPU offline. */
+	hfi_disable();
+
+	return 0;
+}
+
+static struct syscore_ops hfi_pm_ops = {
+	.resume = hfi_do_enable,
+	.suspend = hfi_do_disable,
+};
+
 void __init intel_hfi_init(void)
 {
 	struct hfi_instance *hfi_instance;

@@ -590,6 +616,8 @@ void __init intel_hfi_init(void)
 	if (!hfi_updates_wq)
 		goto err_nomem;
 
+	register_syscore_ops(&hfi_pm_ops);
+
 	return;
 
 err_nomem:

index 42c7ff41c2db..e8082ffe5171 100644
@@ -436,12 +436,10 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
 		goto out;
 	}
 
-#ifdef CONFIG_WATCH_QUEUE
-	if (pipe->watch_queue) {
+	if (pipe_has_watch_queue(pipe)) {
 		ret = -EXDEV;
 		goto out;
 	}
-#endif
 
 	/*
 	 * If it wasn't empty we try to merge new data into

@@ -1320,10 +1318,8 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
 	unsigned int nr_slots, size;
 	long ret = 0;
 
-#ifdef CONFIG_WATCH_QUEUE
-	if (pipe->watch_queue)
+	if (pipe_has_watch_queue(pipe))
 		return -EBUSY;
-#endif
 
 	size = round_pipe_size(arg);
 	nr_slots = size >> PAGE_SHIFT;

@@ -1375,10 +1371,8 @@ struct pipe_inode_info *get_pipe_info(struct file *file, bool for_splice)
 
 	if (file->f_op != &pipefifo_fops || !pipe)
 		return NULL;
-#ifdef CONFIG_WATCH_QUEUE
-	if (for_splice && pipe->watch_queue)
+	if (for_splice && pipe_has_watch_queue(pipe))
 		return NULL;
-#endif
 	return pipe;
 }
 

index 28b3c6a67397..1f1e7ae95320 100644
@@ -124,6 +124,22 @@ struct pipe_buf_operations {
 	bool (*get)(struct pipe_inode_info *, struct pipe_buffer *);
 };
 
+/**
+ * pipe_has_watch_queue - Check whether the pipe is a watch_queue,
+ * i.e. it was created with O_NOTIFICATION_PIPE
+ * @pipe: The pipe to check
+ *
+ * Return: true if pipe is a watch queue, false otherwise.
+ */
+static inline bool pipe_has_watch_queue(const struct pipe_inode_info *pipe)
+{
+#ifdef CONFIG_WATCH_QUEUE
+	return pipe->watch_queue != NULL;
+#else
+	return false;
+#endif
+}
+
 /**
  * pipe_empty - Return true if the pipe is empty
  * @head: The pipe ring head pointer

index e8082ffe5171..9873a6030df5 100644
@@ -1301,6 +1301,11 @@ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
 	pipe->tail = tail;
 	pipe->head = head;
 
+	if (!pipe_has_watch_queue(pipe)) {
+		pipe->max_usage = nr_slots;
+		pipe->nr_accounted = nr_slots;
+	}
+
 	spin_unlock_irq(&pipe->rd_wait.lock);
 
 	/* This might have made more room for writers */

@@ -1352,8 +1357,6 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg)
 	if (ret < 0)
 		goto out_revert_acct;
 
-	pipe->max_usage = nr_slots;
-	pipe->nr_accounted = nr_slots;
 	return pipe->max_usage * PAGE_SIZE;
 
 out_revert_acct:

index 6ed09edabea0..72f34f96d015 100644
@@ -1845,8 +1845,8 @@ static int dlm_tcp_bind(struct socket *sock)
 	memcpy(&src_addr, dlm_local_addr[0], sizeof(src_addr));
 	make_sockaddr(&src_addr, 0, &addr_len);
 
-	result = sock->ops->bind(sock, (struct sockaddr *)&src_addr,
-				 addr_len);
+	result = kernel_bind(sock, (struct sockaddr *)&src_addr,
+			     addr_len);
 	if (result < 0) {
 		/* This *may* not indicate a critical error */
 		log_print("could not bind for connect: %d", result);

@@ -1860,7 +1860,7 @@ static int dlm_tcp_connect(struct connection *con, struct socket *sock,
 {
 	int ret;
 
-	ret = sock->ops->connect(sock, addr, addr_len, O_NONBLOCK);
+	ret = kernel_connect(sock, addr, addr_len, O_NONBLOCK);
 	switch (ret) {
 	case -EINPROGRESS:
 		fallthrough;

@@ -1900,8 +1900,8 @@ static int dlm_tcp_listen_bind(struct socket *sock)
 
 	/* Bind to our port */
 	make_sockaddr(dlm_local_addr[0], dlm_config.ci_tcp_port, &addr_len);
-	return sock->ops->bind(sock, (struct sockaddr *)dlm_local_addr[0],
-			       addr_len);
+	return kernel_bind(sock, (struct sockaddr *)&dlm_local_addr[0],
+			   addr_len);
 }
 
 static const struct dlm_proto_ops dlm_tcp_ops = {

@@ -1928,12 +1928,12 @@ static int dlm_sctp_connect(struct connection *con, struct socket *sock,
 	int ret;
 
 	/*
-	 * Make sock->ops->connect() function return in specified time,
+	 * Make kernel_connect() function return in specified time,
 	 * since O_NONBLOCK argument in connect() function does not work here,
 	 * then, we should restore the default value of this attribute.
 	 */
 	sock_set_sndtimeo(sock->sk, 5);
-	ret = sock->ops->connect(sock, addr, addr_len, 0);
+	ret = kernel_connect(sock, addr, addr_len, 0);
 	sock_set_sndtimeo(sock->sk, 0);
 	if (ret < 0)
 		return ret;

index d657f2a42a7b..6055dbe5c12e 100644
@@ -583,6 +583,85 @@ struct uart_port {
 	void			*private_data;		/* generic platform data pointer */
 };
 
+/**
+ * uart_port_lock - Lock the UART port
+ * @up:		Pointer to UART port structure
+ */
+static inline void uart_port_lock(struct uart_port *up)
+{
+	spin_lock(&up->lock);
+}
+
+/**
+ * uart_port_lock_irq - Lock the UART port and disable interrupts
+ * @up:		Pointer to UART port structure
+ */
+static inline void uart_port_lock_irq(struct uart_port *up)
+{
+	spin_lock_irq(&up->lock);
+}
+
+/**
+ * uart_port_lock_irqsave - Lock the UART port, save and disable interrupts
+ * @up:		Pointer to UART port structure
+ * @flags:	Pointer to interrupt flags storage
+ */
+static inline void uart_port_lock_irqsave(struct uart_port *up, unsigned long *flags)
+{
+	spin_lock_irqsave(&up->lock, *flags);
+}
+
+/**
+ * uart_port_trylock - Try to lock the UART port
+ * @up:		Pointer to UART port structure
+ *
+ * Returns: True if lock was acquired, false otherwise
+ */
+static inline bool uart_port_trylock(struct uart_port *up)
+{
+	return spin_trylock(&up->lock);
+}
+
+/**
+ * uart_port_trylock_irqsave - Try to lock the UART port, save and disable interrupts
+ * @up:		Pointer to UART port structure
+ * @flags:	Pointer to interrupt flags storage
+ *
+ * Returns: True if lock was acquired, false otherwise
+ */
+static inline bool uart_port_trylock_irqsave(struct uart_port *up, unsigned long *flags)
+{
+	return spin_trylock_irqsave(&up->lock, *flags);
+}
+
+/**
+ * uart_port_unlock - Unlock the UART port
+ * @up:		Pointer to UART port structure
+ */
+static inline void uart_port_unlock(struct uart_port *up)
+{
+	spin_unlock(&up->lock);
+}
+
+/**
+ * uart_port_unlock_irq - Unlock the UART port and re-enable interrupts
+ * @up:		Pointer to UART port structure
+ */
+static inline void uart_port_unlock_irq(struct uart_port *up)
+{
+	spin_unlock_irq(&up->lock);
+}
+
+/**
+ * uart_port_lock_irqrestore - Unlock the UART port, restore interrupts
+ * @up:		Pointer to UART port structure
+ * @flags:	The saved interrupt flags for restore
+ */
+static inline void uart_port_unlock_irqrestore(struct uart_port *up, unsigned long flags)
+{
+	spin_unlock_irqrestore(&up->lock, flags);
+}
+
 static inline int serial_port_in(struct uart_port *up, int offset)
 {
 	return up->serial_in(up, offset);

index ab9159441d02..4def1b7266f6 100644
@@ -641,9 +641,9 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
 	}
 
 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
-		spin_lock_irqsave(&port->lock, flags);
+		uart_port_lock_irqsave(port, &flags);
 		sc16is7xx_stop_tx(port);
-		spin_unlock_irqrestore(&port->lock, flags);
+		uart_port_unlock_irqrestore(port, flags);
 		return;
 	}
 

@@ -672,13 +672,13 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
 		sc16is7xx_fifo_write(port, to_send);
 	}
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
 		uart_write_wakeup(port);
 
 	if (uart_circ_empty(xmit))
 		sc16is7xx_stop_tx(port);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static unsigned int sc16is7xx_get_hwmctrl(struct uart_port *port)

@@ -709,7 +709,7 @@ static void sc16is7xx_update_mlines(struct sc16is7xx_one *one)
 
 	one->old_mctrl = status;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	if ((changed & TIOCM_RNG) && (status & TIOCM_RNG))
 		port->icount.rng++;
 	if (changed & TIOCM_DSR)

@@ -720,7 +720,7 @@ static void sc16is7xx_update_mlines(struct sc16is7xx_one *one)
 		uart_handle_cts_change(port, status & TIOCM_CTS);
 
 	wake_up_interruptible(&port->state->port.delta_msr_wait);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static bool sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno)

@@ -814,9 +814,9 @@ static void sc16is7xx_tx_proc(struct kthread_work *ws)
 	sc16is7xx_handle_tx(port);
 	mutex_unlock(&one->efr_lock);
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	sc16is7xx_ier_set(port, SC16IS7XX_IER_THRI_BIT);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static void sc16is7xx_reconf_rs485(struct uart_port *port)

@@ -827,14 +827,14 @@ static void sc16is7xx_reconf_rs485(struct uart_port *port)
 	struct serial_rs485 *rs485 = &port->rs485;
 	unsigned long irqflags;
 
-	spin_lock_irqsave(&port->lock, irqflags);
+	uart_port_lock_irqsave(port, &irqflags);
 	if (rs485->flags & SER_RS485_ENABLED) {
 		efcr |=	SC16IS7XX_EFCR_AUTO_RS485_BIT;
 
 		if (rs485->flags & SER_RS485_RTS_AFTER_SEND)
 			efcr |= SC16IS7XX_EFCR_RTS_INVERT_BIT;
 	}
-	spin_unlock_irqrestore(&port->lock, irqflags);
+	uart_port_unlock_irqrestore(port, irqflags);
 
 	sc16is7xx_port_update(port, SC16IS7XX_EFCR_REG, mask, efcr);
 }

@@ -845,10 +845,10 @@ static void sc16is7xx_reg_proc(struct kthread_work *ws)
 	struct sc16is7xx_one_config config;
 	unsigned long irqflags;
 
-	spin_lock_irqsave(&one->port.lock, irqflags);
+	uart_port_lock_irqsave(&one->port, &irqflags);
 	config = one->config;
 	memset(&one->config, 0, sizeof(one->config));
-	spin_unlock_irqrestore(&one->port.lock, irqflags);
+	uart_port_unlock_irqrestore(&one->port, irqflags);
 
 	if (config.flags & SC16IS7XX_RECONF_MD) {
 		u8 mcr = 0;

@@ -954,18 +954,18 @@ static void sc16is7xx_throttle(struct uart_port *port)
 	 * value set in MCR register. Stop reading data from RX FIFO so the
 	 * AutoRTS feature will de-activate RTS output.
 	 */
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	sc16is7xx_ier_clear(port, SC16IS7XX_IER_RDI_BIT);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static void sc16is7xx_unthrottle(struct uart_port *port)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	sc16is7xx_ier_set(port, SC16IS7XX_IER_RDI_BIT);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static unsigned int sc16is7xx_tx_empty(struct uart_port *port)

@@ -1103,7 +1103,7 @@ static void sc16is7xx_set_termios(struct uart_port *port,
 	/* Setup baudrate generator */
 	baud = sc16is7xx_set_baud(port, baud);
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 
 	/* Update timeout according to new baud rate */
 	uart_update_timeout(port, termios->c_cflag, baud);

@@ -1111,7 +1111,7 @@ static void sc16is7xx_set_termios(struct uart_port *port,
 	if (UART_ENABLE_MS(port, termios->c_cflag))
 		sc16is7xx_enable_ms(port);
 
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static int sc16is7xx_config_rs485(struct uart_port *port, struct ktermios *termios,

@@ -1197,9 +1197,9 @@ static int sc16is7xx_startup(struct uart_port *port)
 	sc16is7xx_port_write(port, SC16IS7XX_IER_REG, val);
 
 	/* Enable modem status polling */
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	sc16is7xx_enable_ms(port);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 
 	return 0;
 }

index 4def1b7266f6..e331b57d6d7d 100644
@@ -678,6 +678,8 @@ static void sc16is7xx_handle_tx(struct uart_port *port)
 
 	if (uart_circ_empty(xmit))
 		sc16is7xx_stop_tx(port);
+	else
+		sc16is7xx_ier_set(port, SC16IS7XX_IER_THRI_BIT);
 	uart_port_unlock_irqrestore(port, flags);
 }
 

@@ -804,7 +806,6 @@ static void sc16is7xx_tx_proc(struct kthread_work *ws)
 {
 	struct uart_port *port = &(to_sc16is7xx_one(ws, tx_work)->port);
 	struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);
-	unsigned long flags;
 
 	if ((port->rs485.flags & SER_RS485_ENABLED) &&
 	    (port->rs485.delay_rts_before_send > 0))

@@ -813,10 +814,6 @@ static void sc16is7xx_tx_proc(struct kthread_work *ws)
 	mutex_lock(&one->efr_lock);
 	sc16is7xx_handle_tx(port);
 	mutex_unlock(&one->efr_lock);
-
-	uart_port_lock_irqsave(port, &flags);
-	sc16is7xx_ier_set(port, SC16IS7XX_IER_THRI_BIT);
-	uart_port_unlock_irqrestore(port, flags);
 }
 
 static void sc16is7xx_reconf_rs485(struct uart_port *port)

index 7be3fcfb3f97..2832abe3a984 100644
@@ -4207,6 +4207,24 @@ static int prepare_allocation_clustered(struct btrfs_fs_info *fs_info,
 	return 0;
 }
 
+static int prepare_allocation_zoned(struct btrfs_fs_info *fs_info,
+				    struct find_free_extent_ctl *ffe_ctl)
+{
+	if (ffe_ctl->for_treelog) {
+		spin_lock(&fs_info->treelog_bg_lock);
+		if (fs_info->treelog_bg)
+			ffe_ctl->hint_byte = fs_info->treelog_bg;
+		spin_unlock(&fs_info->treelog_bg_lock);
+	} else if (ffe_ctl->for_data_reloc) {
+		spin_lock(&fs_info->relocation_bg_lock);
+		if (fs_info->data_reloc_bg)
+			ffe_ctl->hint_byte = fs_info->data_reloc_bg;
+		spin_unlock(&fs_info->relocation_bg_lock);
+	}
+
+	return 0;
+}
+
 static int prepare_allocation(struct btrfs_fs_info *fs_info,
 			      struct find_free_extent_ctl *ffe_ctl,
 			      struct btrfs_space_info *space_info,

@@ -4217,19 +4235,7 @@ static int prepare_allocation(struct btrfs_fs_info *fs_info,
 		return prepare_allocation_clustered(fs_info, ffe_ctl,
 						    space_info, ins);
 	case BTRFS_EXTENT_ALLOC_ZONED:
-		if (ffe_ctl->for_treelog) {
-			spin_lock(&fs_info->treelog_bg_lock);
-			if (fs_info->treelog_bg)
-				ffe_ctl->hint_byte = fs_info->treelog_bg;
-			spin_unlock(&fs_info->treelog_bg_lock);
-		}
-		if (ffe_ctl->for_data_reloc) {
-			spin_lock(&fs_info->relocation_bg_lock);
-			if (fs_info->data_reloc_bg)
-				ffe_ctl->hint_byte = fs_info->data_reloc_bg;
-			spin_unlock(&fs_info->relocation_bg_lock);
-		}
-		return 0;
+		return prepare_allocation_zoned(fs_info, ffe_ctl);
 	default:
 		BUG();
 	}

index 2832abe3a984..0d2cc186974d 100644
@@ -4220,6 +4220,24 @@ static int prepare_allocation_zoned(struct btrfs_fs_info *fs_info,
 		if (fs_info->data_reloc_bg)
 			ffe_ctl->hint_byte = fs_info->data_reloc_bg;
 		spin_unlock(&fs_info->relocation_bg_lock);
+	} else if (ffe_ctl->flags & BTRFS_BLOCK_GROUP_DATA) {
+		struct btrfs_block_group *block_group;
+
+		spin_lock(&fs_info->zone_active_bgs_lock);
+		list_for_each_entry(block_group, &fs_info->zone_active_bgs, active_bg_list) {
+			/*
+			 * No lock is OK here because avail is monotinically
+			 * decreasing, and this is just a hint.
+			 */
+			u64 avail = block_group->zone_capacity - block_group->alloc_offset;
+
+			if (block_group_bits(block_group, ffe_ctl->flags) &&
+			    avail >= ffe_ctl->num_bytes) {
+				ffe_ctl->hint_byte = block_group->start;
+				break;
+			}
+		}
+		spin_unlock(&fs_info->zone_active_bgs_lock);
 	}
 
 	return 0;

index a163585a2a52..ecd6238749f7 100644
@@ -975,6 +975,8 @@ static const struct panel_desc auo_b116xak01 = {
 	},
 	.delay = {
 		.hpd_absent = 200,
+		.unprepare = 500,
+		.enable = 50,
 	},
 };
 

@@ -1870,7 +1872,7 @@ static const struct edp_panel_entry edp_panels[] = {
 	EDP_PANEL_ENTRY('A', 'U', 'O', 0x1062, &delay_200_500_e50, "B120XAN01.0"),
 	EDP_PANEL_ENTRY('A', 'U', 'O', 0x1e9b, &delay_200_500_e50, "B133UAN02.1"),
 	EDP_PANEL_ENTRY('A', 'U', 'O', 0x1ea5, &delay_200_500_e50, "B116XAK01.6"),
-	EDP_PANEL_ENTRY('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01"),
+	EDP_PANEL_ENTRY('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01.0"),
 	EDP_PANEL_ENTRY('A', 'U', 'O', 0x615c, &delay_200_500_e50, "B116XAN06.1"),
 	EDP_PANEL_ENTRY('A', 'U', 'O', 0x8594, &delay_200_500_e50, "B133UAN01.0"),
 

index 083337a27966..146e1ad76223 100644
@@ -354,6 +354,11 @@ static ssize_t ps8640_aux_transfer(struct drm_dp_aux *aux,
 	int ret;
 
 	pm_runtime_get_sync(dev);
+	ret = _ps8640_wait_hpd_asserted(ps_bridge, 200 * 1000);
+	if (ret) {
+		pm_runtime_put_sync_suspend(dev);
+		return ret;
+	}
 	ret = ps8640_aux_transfer_msg(aux, msg);
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_put_autosuspend(dev);

index 005377f58eb4..b714ee1bcbaa 100644
@@ -3603,6 +3603,7 @@ static const struct panel_desc tianma_tm070jdhg30 = {
 	},
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
 	.connector_type = DRM_MODE_CONNECTOR_LVDS,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
 };
 
 static const struct panel_desc tianma_tm070jvhg33 = {

@@ -3615,6 +3616,7 @@ static const struct panel_desc tianma_tm070jvhg33 = {
 	},
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
 	.connector_type = DRM_MODE_CONNECTOR_LVDS,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
 };
 
 static const struct display_timing tianma_tm070rvhg71_timing = {

index 878fb7d3732b..f6e8b401069b 100644
@@ -171,7 +171,6 @@ struct sii902x {
 	struct drm_connector connector;
 	struct gpio_desc *reset_gpio;
 	struct i2c_mux_core *i2cmux;
-	struct regulator_bulk_data supplies[2];
 	bool sink_is_hdmi;
 	/*
 	 * Mutex protects audio and video functions from interfering

@@ -1072,6 +1071,7 @@ static int sii902x_probe(struct i2c_client *client,
 	struct device *dev = &client->dev;
 	struct device_node *endpoint;
 	struct sii902x *sii902x;
+	static const char * const supplies[] = {"iovcc", "cvcc12"};
 	int ret;
 
 	ret = i2c_check_functionality(client->adapter,

@@ -1122,27 +1122,11 @@ static int sii902x_probe(struct i2c_client *client,
 
 	mutex_init(&sii902x->mutex);
 
-	sii902x->supplies[0].supply = "iovcc";
-	sii902x->supplies[1].supply = "cvcc12";
-	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(sii902x->supplies),
-				      sii902x->supplies);
+	ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplies);
 	if (ret < 0)
-		return ret;
-
-	ret = regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies),
-				    sii902x->supplies);
-	if (ret < 0) {
-		dev_err_probe(dev, ret, "Failed to enable supplies");
-		return ret;
-	}
+		return dev_err_probe(dev, ret, "Failed to enable supplies");
 
-	ret = sii902x_init(sii902x);
-	if (ret < 0) {
-		regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies),
-				       sii902x->supplies);
-	}
-
-	return ret;
+	return sii902x_init(sii902x);
 }
 
 static void sii902x_remove(struct i2c_client *client)

@@ -1152,8 +1136,6 @@ static void sii902x_remove(struct i2c_client *client)
 
 	i2c_mux_del_adapters(sii902x->i2cmux);
 	drm_bridge_remove(&sii902x->bridge);
-	regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies),
-			       sii902x->supplies);
 }
 
 static const struct of_device_id sii902x_dt_ids[] = {

index f6e8b401069b..f648d686eb37 100644
@@ -1040,16 +1040,6 @@ static int sii902x_init(struct sii902x *sii902x)
 			return ret;
 	}
 
-	sii902x->bridge.funcs = &sii902x_bridge_funcs;
-	sii902x->bridge.of_node = dev->of_node;
-	sii902x->bridge.timings = &default_sii902x_timings;
-	sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID;
-
-	if (sii902x->i2c->irq > 0)
-		sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD;
-
-	drm_bridge_add(&sii902x->bridge);
-
 	sii902x_audio_codec_init(sii902x, dev);
 
 	i2c_set_clientdata(sii902x->i2c, sii902x);

@@ -1062,7 +1052,21 @@ static int sii902x_init(struct sii902x *sii902x)
 		return -ENOMEM;
 
 	sii902x->i2cmux->priv = sii902x;
-	return i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0);
+	ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0);
+	if (ret)
+		return ret;
+
+	sii902x->bridge.funcs = &sii902x_bridge_funcs;
+	sii902x->bridge.of_node = dev->of_node;
+	sii902x->bridge.timings = &default_sii902x_timings;
+	sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID;
+
+	if (sii902x->i2c->irq > 0)
+		sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD;
+
+	drm_bridge_add(&sii902x->bridge);
+
+	return 0;
 }
 
 static int sii902x_probe(struct i2c_client *client,

@@ -1130,12 +1134,11 @@ static int sii902x_probe(struct i2c_client *client,
 }
 
 static void sii902x_remove(struct i2c_client *client)
-
 {
 	struct sii902x *sii902x = i2c_get_clientdata(client);
 
-	i2c_mux_del_adapters(sii902x->i2cmux);
 	drm_bridge_remove(&sii902x->bridge);
+	i2c_mux_del_adapters(sii902x->i2cmux);
 }
 
 static const struct of_device_id sii902x_dt_ids[] = {

index f648d686eb37..6359d6f53a1b 100644
@@ -1040,7 +1040,9 @@ static int sii902x_init(struct sii902x *sii902x)
 			return ret;
 	}
 
-	sii902x_audio_codec_init(sii902x, dev);
+	ret = sii902x_audio_codec_init(sii902x, dev);
+	if (ret)
+		return ret;
 
 	i2c_set_clientdata(sii902x->i2c, sii902x);
 

@@ -1048,13 +1050,15 @@ static int sii902x_init(struct sii902x *sii902x)
 					1, 0, I2C_MUX_GATE,
 					sii902x_i2c_bypass_select,
 					sii902x_i2c_bypass_deselect);
-	if (!sii902x->i2cmux)
-		return -ENOMEM;
+	if (!sii902x->i2cmux) {
+		ret = -ENOMEM;
+		goto err_unreg_audio;
+	}
 
 	sii902x->i2cmux->priv = sii902x;
 	ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0);
 	if (ret)
-		return ret;
+		goto err_unreg_audio;
 
 	sii902x->bridge.funcs = &sii902x_bridge_funcs;
 	sii902x->bridge.of_node = dev->of_node;

@@ -1067,6 +1071,12 @@ static int sii902x_init(struct sii902x *sii902x)
 	drm_bridge_add(&sii902x->bridge);
 
 	return 0;
+
+err_unreg_audio:
+	if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))
+		platform_device_unregister(sii902x->audio.pdev);
+
+	return ret;
 }
 
 static int sii902x_probe(struct i2c_client *client,

@@ -1139,6 +1149,9 @@ static void sii902x_remove(struct i2c_client *client)
 
 	drm_bridge_remove(&sii902x->bridge);
 	i2c_mux_del_adapters(sii902x->i2cmux);
+
+	if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))
+		platform_device_unregister(sii902x->audio.pdev);
 }
 
 static const struct of_device_id sii902x_dt_ids[] = {

index 146e1ad76223..3982568bd093 100644
@@ -106,6 +106,7 @@ struct ps8640 {
 	struct device_link *link;
 	bool pre_enabled;
 	bool need_post_hpd_delay;
+	struct mutex aux_lock;
 };
 
 static const struct regmap_config ps8640_regmap_config[] = {

@@ -353,6 +354,7 @@ static ssize_t ps8640_aux_transfer(struct drm_dp_aux *aux,
 	struct device *dev = &ps_bridge->page[PAGE0_DP_CNTL]->dev;
 	int ret;
 
+	mutex_lock(&ps_bridge->aux_lock);
 	pm_runtime_get_sync(dev);
 	ret = _ps8640_wait_hpd_asserted(ps_bridge, 200 * 1000);
 	if (ret) {

@@ -362,6 +364,7 @@ static ssize_t ps8640_aux_transfer(struct drm_dp_aux *aux,
 	ret = ps8640_aux_transfer_msg(aux, msg);
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_put_autosuspend(dev);
+	mutex_unlock(&ps_bridge->aux_lock);
 
 	return ret;
 }

@@ -481,7 +484,18 @@ static void ps8640_post_disable(struct drm_bridge *bridge)
 	ps_bridge->pre_enabled = false;
 
 	ps8640_bridge_vdo_control(ps_bridge, DISABLE);
+
+	/*
+	 * The bridge seems to expect everything to be power cycled at the
+	 * disable process, so grab a lock here to make sure
+	 * ps8640_aux_transfer() is not holding a runtime PM reference and
+	 * preventing the bridge from suspend.
+	 */
+	mutex_lock(&ps_bridge->aux_lock);
+
 	pm_runtime_put_sync_suspend(&ps_bridge->page[PAGE0_DP_CNTL]->dev);
+
+	mutex_unlock(&ps_bridge->aux_lock);
 }
 
 static int ps8640_bridge_attach(struct drm_bridge *bridge,

@@ -662,6 +676,8 @@ static int ps8640_probe(struct i2c_client *client)
 	if (!ps_bridge)
 		return -ENOMEM;
 
+	mutex_init(&ps_bridge->aux_lock);
+
 	ps_bridge->supplies[0].supply = "vdd12";
 	ps_bridge->supplies[1].supply = "vdd33";
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ps_bridge->supplies),

index 3982568bd093..09737acc2cf4 100644
@@ -359,11 +359,13 @@ static ssize_t ps8640_aux_transfer(struct drm_dp_aux *aux,
 	ret = _ps8640_wait_hpd_asserted(ps_bridge, 200 * 1000);
 	if (ret) {
 		pm_runtime_put_sync_suspend(dev);
-		return ret;
+		goto exit;
 	}
 	ret = ps8640_aux_transfer_msg(aux, msg);
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_put_autosuspend(dev);
+
+exit:
 	mutex_unlock(&ps_bridge->aux_lock);
 
 	return ret;

index 8155d7e650f1..4bc5d9470acd 100644
@@ -319,9 +319,9 @@ static void decon_win_set_bldmod(struct decon_context *ctx, unsigned int win,
 static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
 				 struct drm_framebuffer *fb)
 {
-	struct exynos_drm_plane plane = ctx->planes[win];
+	struct exynos_drm_plane *plane = &ctx->planes[win];
 	struct exynos_drm_plane_state *state =
-		to_exynos_plane_state(plane.base.state);
+		to_exynos_plane_state(plane->base.state);
 	unsigned int alpha = state->base.alpha;
 	unsigned int pixel_alpha;
 	unsigned long val;

index ae6636e6658e..529033b980b2 100644
@@ -662,9 +662,9 @@ static void fimd_win_set_bldmod(struct fimd_context *ctx, unsigned int win,
 static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
 				struct drm_framebuffer *fb, int width)
 {
-	struct exynos_drm_plane plane = ctx->planes[win];
+	struct exynos_drm_plane *plane = &ctx->planes[win];
 	struct exynos_drm_plane_state *state =
-		to_exynos_plane_state(plane.base.state);
+		to_exynos_plane_state(plane->base.state);
 	uint32_t pixel_format = fb->format->format;
 	unsigned int alpha = state->base.alpha;
 	u32 val = WINCONx_ENWIN;