feat: expand Intel GPU display management

kernel/src/Api/Graphics.hpp

@@ -96,6 +96,22 @@ namespace montauk::abi {
         return GPU::Flip((int)index, (flags & 1) != 0);
     }
 
+    static int64_t Sys_DisplayInfo(DisplayInfo* out) {
+        return Drivers::Graphics::IntelGPU::GetDisplayInfo(out) ? 0 : -1;
+    }
+
+    static int64_t Sys_DisplayModes(DisplayModeInfo* out, int maxCount) {
+        return Drivers::Graphics::IntelGPU::GetDisplayModes(out, maxCount);
+    }
+
+    static int64_t Sys_DisplaySetMode(int modeIndex) {
+        return Drivers::Graphics::IntelGPU::SetDisplayMode(modeIndex);
+    }
+
+    static int64_t Sys_DisplayBrightness(int percent) {
+        return Drivers::Graphics::IntelGPU::Brightness(percent);
+    }
+
     static uint64_t Sys_TermSize() {
         // If the process is redirected to a GUI terminal, return those dimensions
         auto* proc = Sched::GetCurrentProcessPtr();