The dependencies are outdated: both versions need texlive-dejavu
fonts. Also, for PDF generation, python311-Sphinx-latex is
required.

With that, all PDF files are now tuilt on both:

openSUSE Leap 15.6:
-------------------
    PASSED: OS detection: openSUSE Leap 15.6
    SKIPPED (Sphinx Sphinx 7.2.6): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 5:29, return code: 0
    PASSED: Build PDF documentation: Build time: 13:45, return code: 0

openSUSE Tumbleweed:
--------------------
    PASSED: OS detection: openSUSE Tumbleweed
    SKIPPED (Sphinx Sphinx 8.2.3): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 4:33, return code: 0
    PASSED: Build PDF documentation: Build time: 13:18, return code: 0

Summary
=======
  PASSED - openSUSE Leap 15.6 (7 tests)
  PASSED - openSUSE Tumbleweed (7 tests)

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 scripts/sphinx-pre-install | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index f987abfec802..86f129c76ecd 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -901,7 +901,7 @@ class SphinxDependencyChecker(MissingCheckers):
             "dot":           "graphviz",
             "python-sphinx": "python3-sphinx",
             "virtualenv":    "python3-virtualenv",
-            "xelatex":       "texlive-xetex-bin",
+            "xelatex":       "texlive-xetex-bin texlive-dejavu",
             "yaml":          "python3-pyyaml",
         }
 
@@ -937,7 +937,7 @@ class SphinxDependencyChecker(MissingCheckers):
                     self.recommend_python = True
 
                 progs.update({
-                    "python-sphinx": "python311-Sphinx",
+                    "python-sphinx": "python311-Sphinx python311-Sphinx-latex",
                     "virtualenv":    "python311-virtualenv",
                     "yaml":          "python311-PyYAML",
                 })
@@ -945,7 +945,7 @@ class SphinxDependencyChecker(MissingCheckers):
             # Tumbleweed defaults to Python 3.11
 
             progs.update({
-                "python-sphinx": "python313-Sphinx",
+                "python-sphinx": "python313-Sphinx python313-Sphinx-latex",
                 "virtualenv":    "python313-virtualenv",
                 "yaml":          "python313-PyYAML",
             })
-- 
2.50.1