]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blobdiff - Documentation/kernel-parameters.txt
drm/i915: Avoid using mappable space for relocation processing through the CPU
[mirror_ubuntu-artful-kernel.git] / Documentation / kernel-parameters.txt
index b29f3c416296ef880203a02c1d9b8c707f09206a..da449991e8ae0c3c72a709c9820858725477c83d 100644 (file)
@@ -967,6 +967,20 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        i8k.restricted  [HW] Allow controlling fans only if SYS_ADMIN
                        capability is set.
 
+       i915.invert_brightness=
+                       [DRM] Invert the sense of the variable that is used to
+                       set the brightness of the panel backlight. Normally a
+                       brightness value of 0 indicates backlight switched off,
+                       and the maximum of the brightness value sets the backlight
+                       to maximum brightness. If this parameter is set to 0
+                       (default) and the machine requires it, or this parameter
+                       is set to 1, a brightness value of 0 sets the backlight
+                       to maximum brightness, and the maximum of the brightness
+                       value switches the backlight off.
+                       -1 -- never invert brightness
+                        0 -- machine default
+                        1 -- force brightness inversion
+
        icn=            [HW,ISDN]
                        Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
 
@@ -1059,6 +1073,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        By default, super page will be supported if Intel IOMMU
                        has the capability. With this option, super page will
                        not be supported.
+
+       intel_idle.max_cstate=  [KNL,HW,ACPI,X86]
+                       0       disables intel_idle and fall back on acpi_idle.
+                       1 to 6  specify maximum depth of C-state.
+
        intremap=       [X86-64, Intel-IOMMU]
                        on      enable Interrupt Remapping (default)
                        off     disable Interrupt Remapping