feat(deck): Add new gamescope display definition for the Legion Go

system_files/deck/shared/usr/share/gamescope/scripts/00-gamescope/displays/lenovo.legiongo.lcd.lua

@@ -0,0 +1,50 @@
+local lenovo_legiongo_lcd_colorimetry = {
+    r = { x = 0.6250, y = 0.3398 },
+    g = { x = 0.2802, y = 0.5947 },
+    b = { x = 0.1552, y = 0.0703 },
+    w = { x = 0.2832, y = 0.2978 }
+}
+
+gamescope.config.known_displays.lenovo_legiongo_lcd = {
+    pretty_name = "Lenovo Legion Go LCD",
+    dynamic_refresh_rates = {
+        60, 125, 126, 127, 128, 129, 130, 131, 132, 133,
+        134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
+        144
+    },
+    hdr = {
+        supported = false,
+        force_enabled = false,
+        eotf = gamescope.eotf.gamma22,
+        max_content_light_level = 500,
+        max_frame_average_luminance = 500,
+        min_content_light_level = 0.5
+    },
+    colorimetry = lenovo_legiongo_lcd_colorimetry,
+    dynamic_modegen = function(base_mode, refresh)
+        debug("Generating mode "..refresh.."Hz for Lenovo Legion Go LCD")
+        local mode = base_mode
+
+        -- Set resolution to 1600x2560
+        gamescope.modegen.set_resolution(mode, 1600, 2560)
+
+        -- Horizontal timings: Hfront, Hsync, Hback
+        gamescope.modegen.set_h_timings(mode, 60, 30, 130)
+        -- Vertical timings: Vfront, Vsync, Vback
+        gamescope.modegen.set_v_timings(mode, 30, 4, 96)
+
+        -- Calculate pixel clock and refresh rate
+        mode.clock = gamescope.modegen.calc_max_clock(mode, refresh)
+        mode.vrefresh = gamescope.modegen.calc_vrefresh(mode)
+
+        return mode
+    end,
+    matches = function(display)
+        if display.vendor == "LEN" and display.model == "Go Display" then
+            debug("[lenovo_legiongo_lcd] Matched vendor: "..display.vendor.." model: "..display.model)
+            return 5000
+        end
+        return -1
+    end
+}
+debug("Registered Lenovo Legion Go LCD as a known display")