services: sddm: Use sddm-qt5 by default.

This improves out-of-box experience of the service, since the default theme
only supports sddm-qt5.

* gnu/services/sddm.scm (<sddm-configuration>) [sddm]: Use sddm-qt5.
* doc/guix.texi (X Window) [sddm-configuration]: Adjust accordingly.

Change-Id: I97825751fc230b41fbc3d5d1ae86eb2408c4dc29
Merges: #7480

2 files changed, 2 insertions, 7 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index c25a30701f9..2170df62103 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -25995,14 +25995,9 @@ This data type represents the configuration of the SDDM login manager.
 The available fields are:
 
 @table @asis
-@item @code{sddm} (default: @code{sddm})
+@item @code{sddm} (default: @code{sddm-qt5})
 The SDDM package to use.
 
-@quotation Note
-sddm has Qt6 enabled by default. If you want to still use a Qt5 theme,
-you need to set it to @code{sddm-qt5}.
-@end quotation
-
 @item @code{display-server} (default: "x11")
 Select display server to use for the greeter.  Valid values are
 @samp{"x11"} or @samp{"wayland"}.
diff --git a/gnu/services/sddm.scm b/gnu/services/sddm.scm
index d8d14b5af32..00d71dfb663 100644
--- a/gnu/services/sddm.scm
+++ b/gnu/services/sddm.scm
@@ -44,7 +44,7 @@
   sddm-configuration      make-sddm-configuration
   sddm-configuration?
   (sddm                   sddm-configuration-sddm
-                          (default sddm))
+                          (default sddm-qt5))
 
   ;; [General]
   ;; valid values are x11 and wayland