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--- linux:notes:modprobe.d_tweaks [2026/06/13 19:55] – Sean Rhone
+++ linux:notes:modprobe.d_tweaks [2026/08/14 22:30] (current) – [snd_hda_intel] Sean Rhone
@@ Line 3: / Line 3: @@
   * ''modprobe.d'' Tweaks
-====== Spinesnap ======
+====== i915 ======
-===== i915 =====
+  * ''enable_dmc_wl'' at ''3'' for other distros (''1'' for [[linux:distros:debian_13_xfce|Debian 13]])
-  * :?: ''HuC'' firmware timed-out likely with disabling PAVP (''enable_guc=0'')
-  * 2026/04/25: ''enable_dmc_wl'' at ''1'' for [[linux:distros:debian_13_xfce|Debian 13]]
-  * 2026/06/13: TODO: ''HPD interrupt storm'' ((''i915 0000:00:02.0: [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling''))
   sudo -e '/etc/modprobe.d/99-i915-tweaks.conf'
@@ Line 27: / Line 23: @@
 options i915 enable_guc=0
-options i915 enable_flipq=1
 options i915 nuclear_pageflip=1
-options i915 enable_dmc_wl=3
+options i915 enable_dmc_wl=1
+#options i915 enable_dmc_wl=3
+#options i915 enable_flipq=1
 options i915 guc_log_level=0
@@ Line 42: / Line 39: @@
 # End</code>
-===== SSD =====
+====== SSD ======
-  sudo -e '/etc/modprobe.d/99-ssd-tweaks.conf'
+  echo 'options ahci mobile_lpm_policy=1' | sudo tee '/etc/modprobe.d/99-ssd-tweaks.conf' > '/dev/null'
-<code>
-options ahci mobile_lpm_policy=1
-options nvme noacpi=1
-options nvme_core force_apst=0
-options nvme_core disable_pi_offsets=1
-options nvme_core default_ps_max_latency_us=0
-options nvme_core multipath_always_on=1
-options nvme_core iopolicy=queue-depth
-# End</code>
-===== snd_hda_intel =====
+====== snd_hda_intel ======
   sudo -e '/etc/modprobe.d/99-snd-tweaks.conf'
@@ Line 71: / Line 55: @@
 # End</code>
-===== iwlwifi =====
+====== iwlwifi ======
   sudo -e '/etc/modprobe.d/99-iwlwifi-tweaks.conf'
@@ Line 83: / Line 67: @@
 # End</code>
-====== Alira ======
+====== Wifi Region ======
-****
+  echo 'options cfg80211 ieee80211_regdom=US' | sudo tee '/etc/modprobe.d/99-wifi-reg.conf' > '/dev/null'
-  echo 'options ahci mobile_lpm_policy=1' | sudo tee '/etc/modprobe.d/99-ssd-tweaks.conf' > '/dev/null'
+====== Alira ======
 ===== USB UASP =====
-  * :?: NAS needs UAS disabled and fallback to ''usb-storage'' ((UAS has random disconnects any PSU Windows and Linux)) ([[linux:notes:ext4|ext4 NAS]]) ((~2026/05/27: UAS seemingly stable with external-powered USB hub implying it could be board port/hardware related vs UAS subsystem))
+  * :?: NAS needed UAS disabled and fallback to ''usb-storage'' ((UAS has random disconnects any PSU Windows and Linux)) ([[linux:notes:ext4|ext4 NAS]]) ((~2026/05/27: UAS seemingly stable with external-powered USB hub implying it could be board port/hardware related vs UAS subsystem))
 ==== JMicron ====
@@ Line 105: / Line 89: @@
   echo 'options usb-storage quirks=174c:1352:u' | sudo tee '/etc/modprobe.d/99-uas-disable.conf' > '/dev/null'
-===== radeon =====
+====== radeon ======
   sudo -e '/etc/modprobe.d/99-radeon-tweaks.conf'
@@ Line 114: / Line 98: @@
 options radeon si_support=0
 options radeon cik_support=0
+# End</code>
+====== NVMe ======
+  sudo -e '/etc/modprobe.d/99-nvme-tweaks.conf'
+<code>
+options nvme noacpi=1
+options nvme_core force_apst=0
+options nvme_core disable_pi_offsets=1
+options nvme_core default_ps_max_latency_us=0
+options nvme_core multipath_always_on=1
+options nvme_core iopolicy=queue-depth
 # End</code>
@@ Line 124: / Line 123: @@
 ====== Dracut ======
-****
   sudo dracut --force --regenerate-all