feat: show effective VRAM clockspeed in the GUI on GDDR6

lact-daemon/src/server/gpu_controller/mod.rs

@@ -189,6 +189,8 @@ impl GpuController {
 
     #[cfg(feature = "libdrm_amdgpu_sys")]
     fn get_drm_info(&self) -> Option<DrmInfo> {
+        use libdrm_amdgpu_sys::AMDGPU::VRAM_TYPE;
+
         trace!("Reading DRM info");
         let drm_handle = self.drm_handle.as_ref();
 
@@ -211,6 +213,10 @@ impl GpuController {
                 chip_class: drm_info.get_chip_class().to_string(),
                 compute_units: drm_info.cu_active_number,
                 vram_type: drm_info.get_vram_type().to_string(),
+                vram_clock_ratio: match drm_info.get_vram_type() {
+                    VRAM_TYPE::GDDR6 => 2.0,
+                    _ => 1.0,
+                },
                 vram_bit_width: drm_info.vram_bit_width,
                 vram_max_bw: drm_info.peak_memory_bw_gb().to_string(),
                 l1_cache_per_cu: drm_info.get_l1_cache_size(),

lact-gui/src/app/graphs_window/mod.rs

@@ -18,7 +18,7 @@ glib::wrapper! {
 
 impl GraphsWindow {
     pub fn new() -> Self {
-        Object::builder().build()
+        Object::builder().property("vram_clock_ratio", 1.0).build()
     }
 
     pub fn set_stats(&self, stats: &DeviceStats) {
@@ -79,7 +79,7 @@ impl GraphsWindow {
             clockspeed_plot.push_line_series("GPU (Trgt)", point as f64);
         }
         if let Some(point) = stats.clockspeed.vram_clockspeed {
-            clockspeed_plot.push_line_series("VRAM", point as f64);
+            clockspeed_plot.push_line_series("VRAM", point as f64 * self.vram_clock_ratio());
         }
 
         if let Some(max_speed) = stats.fan.speed_max {
@@ -132,16 +132,18 @@ impl Default for GraphsWindow {
 mod imp {
     use super::plot::Plot;
     use gtk::{
-        glib::{self, subclass::InitializingObject},
+        glib::{self, subclass::InitializingObject, Properties},
         prelude::*,
         subclass::{
             prelude::*,
             widget::{CompositeTemplateClass, WidgetImpl},
         },
         CompositeTemplate,
     };
+    use std::cell::Cell;
 
-    #[derive(CompositeTemplate, Default)]
+    #[derive(CompositeTemplate, Default, Properties)]
+    #[properties(wrapper_type = super::GraphsWindow)]
     #[template(file = "ui/graphs_window.blp")]
     pub struct GraphsWindow {
         #[template_child]
@@ -152,6 +154,9 @@ mod imp {
         pub(super) power_plot: TemplateChild<Plot>,
         #[template_child]
         pub(super) fan_plot: TemplateChild<Plot>,
+
+        #[property(get, set)]
+        pub vram_clock_ratio: Cell<f64>,
     }
 
     #[glib::object_subclass]
@@ -171,6 +176,7 @@ mod imp {
         }
     }
 
+    #[glib::derived_properties]
     impl ObjectImpl for GraphsWindow {}
 
     impl WidgetImpl for GraphsWindow {}

lact-gui/src/app/mod.rs

@@ -361,6 +361,14 @@ impl App {
         trace!("setting info {info:?}");
 
         self.root_stack.info_page.set_info(&info);
+        self.root_stack.oc_page.set_info(&info);
+
+        let vram_clock_ratio = info
+            .drm_info
+            .as_ref()
+            .map(|info| info.vram_clock_ratio)
+            .unwrap_or(1.0);
+        self.graphs_window.set_vram_clock_ratio(vram_clock_ratio);
 
         self.set_initial(gpu_id);
         self.root_stack.thermals_page.set_info(&info);