feat(ui): Manage button for HDMI refresh boost

The item's switch becomes a Set up / Manage button. Manage lists the
saved displays, removes one with its Remove button, and sets up the
connected display when it has no saved rates.

CHANGELOG.md

@@ -7,7 +7,13 @@ one per merged pull request.
 
 ## 2.1.0 - 2026-09-26
 
-- **feat: HDMI refresh boost per display, with a Saved displays screen**
+- **feat(ui): Manage button for HDMI refresh boost**
+  - The item's switch is a button: Set up… while no display is saved,
+    Manage after that. Manage lists the saved displays (connected or not),
+    removes one with its Remove button, and sets up the connected display
+    when it has no saved rates yet.
+- **4cc87aa feat: HDMI refresh boost per display, with a Saved displays screen**
+- **36d0a9d feat: HDMI refresh boost only for the display it was set up for**
   - The EDID override was on the kernel command line, so any display on that
     HDMI port got the first display's timings. Rates are now saved per
     display and loaded at boot and at every hotplug for the display that's
@@ -17,7 +23,6 @@ one per merged pull request.
     re-applied (`a`).
   - The item shows on only while the connected display is boosted, so a new
     display can be set up by ticking it; unticking removes only that one.
-  - The app lists the saved displays (▶ on the item) and removes any of them.
 
 ## 2.0.3 - 2026-09-26
 

TECHNICAL.md

@@ -277,8 +277,10 @@ itself doesn't loop.
 The item is on when the connected display runs on its saved EDID; with
 another display it's off, and ticking it sets that one up. Turning it off
 removes the connected display's EDID; the unit and rule go with the last
-one. The app's **Saved displays** screen (▶ on the item) lists every saved
+one. In the app the item is a **Set up…** button, and **Manage** once a
-display and removes any of them. Unpinning the kernel removes them all.
+display is saved: it lists every saved display, removes any of them, and
+sets up the connected display when it has none. Unpinning the kernel
+removes them all.
 
 Versions before 2.1.0 used `drm.edid_firmware=` on the kernel command line
 (and the initramfs), which applied to any display on that port; re-applying

ui/qml/Main.qml

@@ -74,7 +74,7 @@ ApplicationWindow {
                 changes: ["linux-cachyos from Steamify's release (signature checked)", "Kept in /var/cache/steamify/kernel", "Added to IgnorePkg"] },
         hdmi: { label: "HDMI refresh boost", hint: "Higher refresh rates over HDMI",
                 body: "The pinned kernel keeps many HDMI displays at 60 Hz. Turning this on shows which refresh rates your display can run at the desktop resolution; you pick them, and each one is tried for 15 seconds so you can check the picture before it's installed.",
-                changes: ["The display's EDID with the rates you confirmed, saved for that display only", "Loaded whenever that display is connected; other displays keep their own settings", "Off: the connected display uses its own EDID again", "Saved displays: ▶ on this row lists them, to remove one"] },
+                changes: ["The display's EDID with the rates you confirmed, saved for that display only", "Loaded whenever that display is connected; other displays keep their own settings", "Manage: every saved display, remove one or set up the connected display"] },
         bios: { label: "Update BIOS", hint: "",
                 body: "Installs Valve's newest Steam Machine BIOS, at your own risk. It checks Valve's checksum and asks fwupd whether the file fits this machine, then warns you twice before anything is written.",
                 changes: ["Valve's fremont-hw-support package (checksum checked)", "fwupd writes the BIOS during the next restart", "Keep the power on until the machine has fully started again"] }
@@ -196,7 +196,7 @@ ApplicationWindow {
     // HDMI refresh boost, saved displays: [{id, name, mode, rates, active}].
     readonly property var hdmiSaved: status.hdmiDisplays || []
     property int hdmiListSel: 0
-    property string hdmiConfirm: ""          // the display to remove on a second press
+    property string hdmiConfirm: ""          // the display being removed
     function hdmiRowHint() {
         var on = hdmiSaved.filter(function (d) { return d.active; });
         var others = hdmiSaved.length - on.length;
@@ -204,6 +204,8 @@ ApplicationWindow {
         if (others) return "Not set up for this display · " + others + " saved";
         return "";
     }
+    // Manage offers setting up the connected display when it has no saved rates.
+    readonly property bool hdmiCanAdd: !hdmiSaved.some(function (d) { return d.active; })
     function openHdmiList() {
         if (!hdmiSaved.length) return;
         hdmiListSel = 0; hdmiConfirm = ""; hdmiNote = ""; screen = "hdmilist";
@@ -211,8 +213,7 @@ ApplicationWindow {
     function hdmiForget() {
         var d = hdmiSaved[hdmiListSel];
         if (!d) return;
-        // A second press removes it: nothing to undo but testing again.
+        hdmiConfirm = d.id;
-        if (hdmiConfirm !== d.id) { hdmiConfirm = d.id; return; }
         if (!sessionPassword && askPassword("forget")) return;
         hdmiForgetNow();
     }
@@ -243,6 +244,7 @@ ApplicationWindow {
         if (id === "single" && w.single) w.gaming = true;
         // Turning HDMI refresh boost on goes through its own screen: pick
         // the rates and try each one first.
+        if (id === "hdmi" && !hdmiChoice && hdmiSaved.length) { openHdmiList(); return; }
         if (id === "hdmi" && w.hdmi && !nowOn("hdmi") && !hdmiChoice) { startHdmi(); return; }
         if (id === "hdmi" && !w.hdmi) hdmiChoice = "";
         if (id === "machine") w.kpin = w.machine;
@@ -399,7 +401,6 @@ ApplicationWindow {
             }
             else if ((a === "left" || a === "right") && sel < rows.length && rows[sel].kind === "choice")
                 boot = a === "left" ? "gamescope" : "desktop";
-            else if (a === "right" && sel < rows.length && rows[sel].id === "hdmi") openHdmiList();
             else if (a === "apply") goReview(false);
             else if (a === "reapply") goReview(true);
             else if (a === "back") Qt.quit();
@@ -432,9 +433,9 @@ ApplicationWindow {
         } else if (screen === "hdmilist") {
             if (backend.busy) return;
             if (a === "up") { hdmiListSel = Math.max(0, hdmiListSel - 1); hdmiConfirm = ""; }
-            else if (a === "down") { hdmiListSel = Math.min(hdmiSaved.length - 1, hdmiListSel + 1); hdmiConfirm = ""; }
+            else if (a === "down") { hdmiListSel = Math.min(hdmiSaved.length - (hdmiCanAdd ? 0 : 1), hdmiListSel + 1); hdmiConfirm = ""; }
-            else if (a === "accept") hdmiForget();
+            else if (a === "accept") { if (hdmiListSel === hdmiSaved.length) { hdmiConfirm = ""; startHdmi(); } else hdmiForget(); }
-            else if (a === "back") { if (hdmiConfirm) hdmiConfirm = ""; else hdmiListBack(); }
+            else if (a === "back") hdmiListBack();
         } else if (screen === "hdmitest") {
             if (a === "accept" || a === "apply") hdmiKeep();
             else if (a === "back") hdmiReject();
@@ -545,7 +546,7 @@ ApplicationWindow {
                 anchors.left: parent.left; anchors.leftMargin: 40; anchors.verticalCenter: parent.verticalCenter; spacing: 14
                 Image { source: iconUrl; width: 40; height: 40; sourceSize: Qt.size(80, 80); anchors.verticalCenter: parent.verticalCenter }
                 Text { text: "Steamify"; color: t.text; font.family: t.display; font.pixelSize: 28; font.weight: Font.Bold; anchors.verticalCenter: parent.verticalCenter }
-                Text { text: screen === "menu" ? "v" + (status.version || "") : "/ " + ({review: "Review", password: "Password", applying: biosRun ? "BIOS update" : "Applying", done: "Done", bios1: "BIOS update", bios2: "BIOS update", hdmi: "HDMI refresh boost", hdmitest: "HDMI refresh boost", hdmilist: "Saved displays"})[screen]
+                Text { text: screen === "menu" ? "v" + (status.version || "") : "/ " + ({review: "Review", password: "Password", applying: biosRun ? "BIOS update" : "Applying", done: "Done", bios1: "BIOS update", bios2: "BIOS update", hdmi: "HDMI refresh boost", hdmitest: "HDMI refresh boost", hdmilist: "HDMI refresh boost"})[screen]
                        color: t.faint; font.family: screen === "menu" ? t.mono : t.body; font.pixelSize: screen === "menu" ? 13 : 15; anchors.verticalCenter: parent.verticalCenter }
             }
             Rectangle {
@@ -598,7 +599,7 @@ ApplicationWindow {
                             readonly property bool selected: shown && rowIndex === sel
                             readonly property bool on: modelData.kind === "choice" ? true : !!want[modelData.id]
                             // HDMI refresh boost is set up on its own screen: a button while off.
-                            readonly property bool setup: modelData.id === "hdmi" && !modelData.on
+                            readonly property bool setup: modelData.id === "hdmi"
                             onSelectedChanged: if (selected) Qt.callLater(list.showSelected)
                             width: list.width - 12; x: 2
                             height: shown ? 62 : 0
@@ -650,8 +651,8 @@ ApplicationWindow {
                                         width: sut.implicitWidth + 24; height: 30; radius: 8; color: hdmiChoice && want.hdmi ? t.goodBg : "#1b2b40"
                                         Text { id: sut; anchors.centerIn: parent; font.family: t.body; font.pixelSize: 13; font.weight: Font.DemiBold
                                                color: hdmiChoice && want.hdmi ? t.good : "#7cc4ff"
-                                               text: hdmiChoice && want.hdmi ? (hdmiChoice.split(":")[1] ? hdmiChoice.split(":")[1].split(",").join(", ") + " Hz ✓" : "Own modes ✓") : "Set up…" }
+                                               text: hdmiChoice && want.hdmi ? (hdmiChoice.split(":")[1] ? hdmiChoice.split(":")[1].split(",").join(", ") + " Hz ✓" : "Own modes ✓") : (hdmiSaved.length ? "Manage" : "Set up…") }
-                                        MouseArea { anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: { sel = row.rowIndex; startHdmi(); } } }
+                                        MouseArea { anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: { sel = row.rowIndex; toggle("hdmi"); } } }
                                     // action
                                     Rectangle { visible: row.modelData.kind === "action"; anchors.right: parent.right; anchors.verticalCenter: parent.verticalCenter
                                         width: at.implicitWidth + 24; height: 30; radius: 8; color: t.warnBg
@@ -690,8 +691,6 @@ ApplicationWindow {
                                 Text { text: "WHAT IT CHANGES"; color: t.faint; font.family: t.body; font.pixelSize: 12; font.weight: Font.DemiBold; font.letterSpacing: 0.8; topPadding: 4 }
                                 Repeater { model: detail.tx.changes || []
                                     Text { required property string modelData; text: "•  " + modelData; color: t.soft; font.family: t.body; font.pixelSize: 14; wrapMode: Text.WordWrap; width: detailCol.width } }
-                                Btn { visible: !!detail.it && detail.it.id === "hdmi" && hdmiSaved.length > 0; k: "▶"; height: 40
-                                      text: "Saved displays (" + hdmiSaved.length + ")"; onClicked: openHdmiList() }
                             }
                         }
                         Column {
@@ -722,7 +721,7 @@ ApplicationWindow {
                 Row {
                     anchors.left: parent.left; anchors.leftMargin: 40; anchors.verticalCenter: parent.verticalCenter; spacing: 28
                     Repeater {
-                        model: [[g.toggle, "Toggle"], sel < rows.length && rows[sel].id === "hdmi" && hdmiSaved.length ? ["▶", "Saved displays"] : [g.choose, "Choose"], [g.reapply, "Re-apply what's on"], [g.quit, "Quit"]]
+                        model: [[g.toggle, "Toggle"], [g.choose, "Choose"], [g.reapply, "Re-apply what's on"], [g.quit, "Quit"]]
                         Row { required property var modelData; spacing: 8
                             Glyph { k: parent.modelData[0]; anchors.verticalCenter: parent.verticalCenter }
                             Text { text: parent.modelData[1]; color: "#b8c3d1"; font.family: t.body; font.pixelSize: 14; anchors.verticalCenter: parent.verticalCenter } }
@@ -1012,7 +1011,7 @@ ApplicationWindow {
             Column {
                 visible: hdmiSaved.length > 0
                 x: 40; y: 28; width: 740; spacing: 12
-                Text { text: "Saved displays"; color: t.text; font.family: t.display; font.pixelSize: 30; font.weight: Font.DemiBold }
+                Text { text: "Manage displays"; color: t.text; font.family: t.display; font.pixelSize: 30; font.weight: Font.DemiBold }
                 Text { text: "Each display gets its own rates; they're loaded whenever it's connected."; color: t.mute; font.family: t.body; font.pixelSize: 14 }
                 Repeater {
                     model: hdmiSaved
@@ -1021,7 +1020,7 @@ ApplicationWindow {
                         readonly property bool confirm: hdmiConfirm === modelData.id
                         width: 740; height: 64; radius: 12
                         color: hdmiListSel === index ? t.cardSel : t.card; border.width: hdmiListSel === index ? 2 : 0; border.color: confirm ? t.bad : t.accent
-                        MouseArea { anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: { inputType = "keyboard"; hdmiListSel = parent.index; hdmiForget(); } }
+                        MouseArea { anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: { inputType = "keyboard"; hdmiListSel = parent.index; } }
                         Column { anchors.left: parent.left; anchors.leftMargin: 18; anchors.verticalCenter: parent.verticalCenter; spacing: 2
                             Text { text: parent.parent.modelData.name; color: t.textHi; font.family: t.body; font.pixelSize: 18; font.weight: Font.DemiBold }
                             Text { text: parent.parent.modelData.mode.replace("x", "×") + (parent.parent.modelData.rates ? "  ·  " + parent.parent.modelData.rates.split(" ").join(", ") + " Hz" : "  ·  its own modes")
@@ -1031,12 +1030,24 @@ ApplicationWindow {
                                    fg: parent.parent.modelData.active ? t.good : "#b8c3d1"; bgc: parent.parent.modelData.active ? t.goodBg : t.line }
                             Btn { height: 38; anchors.verticalCenter: parent.verticalCenter; focusRing: hdmiListSel === parent.parent.index
                                   k: hdmiListSel === parent.parent.index ? g.ok : ""; color: parent.parent.confirm ? "#8a2c2c" : "#232c38"
-                                  text: parent.parent.confirm ? (backend.busy ? "Removing…" : "Press again to remove") : "Remove"
+                                  text: parent.parent.confirm && backend.busy ? "Removing…" : "Remove"
                                   onClicked: { hdmiListSel = parent.parent.index; hdmiForget(); } }
                         }
                     }
                 }
             }
+            Rectangle {
+                visible: hdmiSaved.length > 0 && hdmiCanAdd
+                x: 40; y: 28 + 84 + hdmiSaved.length * 76; width: 740; height: 64; radius: 12
+                color: hdmiListSel === hdmiSaved.length ? t.cardSel : t.card; border.width: hdmiListSel === hdmiSaved.length ? 2 : 0; border.color: t.accent
+                MouseArea { anchors.fill: parent; cursorShape: Qt.PointingHandCursor; onClicked: { inputType = "keyboard"; hdmiListSel = hdmiSaved.length; } }
+                Column { anchors.left: parent.left; anchors.leftMargin: 18; anchors.verticalCenter: parent.verticalCenter; spacing: 2
+                    Text { text: "The connected display"; color: t.textHi; font.family: t.body; font.pixelSize: 18; font.weight: Font.DemiBold }
+                    Text { text: "No saved rates yet"; color: t.mute; font.family: t.body; font.pixelSize: 13 } }
+                Btn { anchors.right: parent.right; anchors.rightMargin: 14; anchors.verticalCenter: parent.verticalCenter; height: 38
+                      focusRing: hdmiListSel === hdmiSaved.length; k: hdmiListSel === hdmiSaved.length ? g.ok : ""; text: "Set up…"
+                      onClicked: { hdmiConfirm = ""; startHdmi(); } }
+            }
             Rectangle {
                 visible: hdmiSaved.length > 0
                 x: parent.width - 468; y: 28; width: 428; height: 200; radius: 16; color: t.card