kernel-6.8.9-300

* 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: Signed-off-by: Augusto Caringi <acaringi@redhat.com>
2024-05-02 15:19:54 -03:00 · 2024-05-02 15:19:54 -03:00 · e437dd7be7
parent 9ead7be4da
commit e437dd7be7
19 changed files with 226 additions and 25 deletions
--- a/Patchlist.changelog
+++ b/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.

--- a/kernel-aarch64-16k-debug-fedora.config
+++ b/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
--- a/kernel-aarch64-16k-fedora.config
+++ b/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
--- a/kernel-aarch64-debug-fedora.config
+++ b/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
--- a/kernel-aarch64-fedora.config
+++ b/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
--- a/kernel-ppc64le-debug-fedora.config
+++ b/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
--- a/kernel-ppc64le-fedora.config
+++ b/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
--- a/kernel-s390x-debug-fedora.config
+++ b/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
--- a/kernel-s390x-fedora.config
+++ b/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
--- a/kernel-x86_64-debug-fedora.config
+++ b/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
--- a/kernel-x86_64-debug-rhel.config
+++ b/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
--- a/kernel-x86_64-fedora.config
+++ b/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
--- a/kernel-x86_64-rhel.config
+++ b/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
--- a/kernel-x86_64-rt-debug-rhel.config
+++ b/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
--- a/kernel-x86_64-rt-rhel.config
+++ b/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
--- a/kernel.changelog
+++ b/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)
--- a/kernel.spec
+++ b/kernel.spec
@ -160,18 +160,18 @@ Summary: The Linux kernel
 #  the --with-release option overrides this setting.)
 %define debugbuildsenabled 1
 # define buildid .local
-%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 300%{?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
@ -3959,6 +3959,14 @@ fi\
 #
 #
 %changelog
+* 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)
 - Turn on ISM for Fedora (Justin M. Forbes)
--- a/patch-6.8-redhat.patch
+++ b/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
--- a/6
+++ b/6
@ -1,5 +1,5 @@
 SHA512 (kernel-abi-stablelists-6.6.0.tar.bz2) = 4f917598056dee5e23814621ec96ff2e4a411c8c4ba9d56ecb01b23cb96431825bedbecfcbaac9338efbf5cb21694d85497fa0bf43e7c80d9cd10bc6dd144dbd
 SHA512 (kernel-kabi-dw-6.6.0.tar.bz2) = 19308cd976031d05e18ef7f5d093218acdb89446418bab0cd956ff12cf66369915b9e64bb66fa9f20939428a60e81884fec5be3529c6c7461738d6540d3cc5c6
-SHA512 (linux-6.8.8.tar.xz) = ddf32036962127c2f49f88f6fa52bb2bd8dea870502f80bf0e1c74b8032999a6f41fbe28e5fb642c5bf759f7fb761bf66f83104070921c4b9804e18a261e1e41
-SHA512 (kernel-abi-stablelists-6.8.8.tar.xz) = c7b3df28c6b33e1f67e28423d274e68e7007188ad45d8939c5b1a16f5e5c88bf4cdf7232ed0c9f235d2df066a7977f34c8bd8dbe435a33b13d13f806e2b8d17c
-SHA512 (kernel-kabi-dw-6.8.8.tar.xz) = 23f891481f9fa9019a672c13e180d4ba9367e5c120f571b7d6d15ca7403bcb304368bbc5f449cb41b220e393f000dffc61edac14069107426307408fb83db55f
+SHA512 (linux-6.8.9.tar.xz) = 0da6c13b5068422a81bedb607468867173e737ae4ea0760a01ae91c5ffdec45ac34531c09c1ba046366f35f82a3fc07a1ad062f9043ff45d649bf9c498b86998
+SHA512 (kernel-abi-stablelists-6.8.9.tar.xz) = ab84a6357040ab758619a48d4d9d4013dd172d865bfe9d664de1b5f5d0f3df1f27d0d493c45b7c21f19eb9897be58d4f0fc6f348f87f7df7ef1465fb4efcbcf4
+SHA512 (kernel-kabi-dw-6.8.9.tar.xz) = 463a6e8212c65c0445e9252a35ef389fe73ad1d675ca363b54fdace7cbe10d3f6eeb8e35768a3116bd596b66c3ed5de4b8588331d7c51a2f4880b6e1376d9c5f