Description: lp1957094-adjust-on-demand-mode-description
 Since on-demand mode doesn't work on nvidia-390, we fall back to ON mode if
 user selected on-demand if installed nvidia-driver version less than 450. Thus,
 explain more about the behavior in on-demand mode.

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Origin: other
Bug: https://launchpad.net/bugs/1957094
Bug-Ubuntu: https://launchpad.net/bugs/1957094
Forwarded: no
Reviewed-By: jeremy.szu@canonical.com
Last-Update: 2022-01-11

--- nvidia-settings-470.57.01.orig/src/gtk+-2.x/ctkprime.c
+++ nvidia-settings-470.57.01/src/gtk+-2.x/ctkprime.c
@@ -565,8 +565,10 @@ GtkWidget* ctk_prime_new(CtkConfig *ctk_
         /* Set the tooltip for ON-Demand */
         ctk_config_set_tooltip(ctk_config, radio[1],
                                "Enabling this option allows using the Nvidia GPU"
-                               " in on-demand mode. This option is "
-                               "applied after a system restart.");
+                               " in on-demand mode (only if nvidia version >= 450; "
+                               "otherwise, the behavior will approach to "
+                               "performance mode). This option is applied after "
+                               "a system restart.");
 
         /* Button for Intel */
         radio[2] = prime_radio_button_add(ctk_prime,