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feat: HDMI refresh boost (Steam Machine, pinned kernel)

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The pinned 7.1.6 kernel doesn't read the extra EDID block (HDMI Forum
EEODB) where monitors list their fast modes, and does no HDMI 2.1, so HDMI
displays often stay at 60 Hz. The new menu item reads the display's EDID
over DDC, calculates the highest rate that fits HDMI 2.0 at the desktop
resolution (rounded down to ten, plus the hundred below as a safe option),
tests each step live with a confirmation, and makes the confirmed ones
permanent through drm.edid_firmware (Limine, sdboot-manage or GRUB).
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theupriser committed 2026-09-25 20:32:46 +02:00
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CHANGELOG.md
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@@ -5,6 +5,17 @@ All notable changes, per version and per commit. Versions follow
`steamify.sh`. Versions before 0.7.0 were numbered afterwards,
one per merged pull request.
## 1.2.0 - 2026-09-25
- **feat: HDMI refresh boost (Steam Machine, pinned kernel)**
- The pinned 7.1.6 kernel doesn't read the extra EDID block where monitors
list their fast modes, and does no HDMI 2.1, so HDMI displays often stay
at 60 Hz. The new menu item reads the display's EDID over DDC,
calculates the highest rate that fits HDMI 2.0 at the desktop resolution
(rounded down to ten, plus the hundred below as a safe option), tests
each step live with a confirmation, and makes the confirmed ones
permanent through `drm.edid_firmware` (Limine, sdboot-manage or GRUB).
## 1.1.4 - 2026-09-25
- **fix: No lock screen in single user mode before a restart**