[PATCH] docs/sphinx: More depth in the rtd sidebar toc

[Jonathan Corbet]

Daniel Vetter <daniel.vetter at ffwll.ch> writes:

> We love to nest our documenation for good structure, but that means
> the table of contents needs to keep up or you can't navigate them.
>
> Realized this trying to find the drm property documentation, which
> with some shuffling around disappeared. Why I didn't realize we can do
> this earlier, no idea.
>
> Since the relevant parts of the toc are only loaded if you're in the
> right .html file there's no harm in going all the way to unlimited.
>
> Note that this has no impact on the alabaster theme (which has a much
> simpler sidebar toc which doesn't show the entire hierarchy, only
> what's in the local rendered file) nor on the various :toctree:
> rendered inline in the output.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Jonathan Corbet <corbet at lwn.net>
> Cc: linux-doc at vger.kernel.org
> ---
> v2: Rebase onto linux-next, reword commit message to take into account
> that alabaster is the default now.
> ---
>  Documentation/conf.py | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/conf.py b/Documentation/conf.py
> index c715610d6297..a5c45df0bd83 100644
> --- a/Documentation/conf.py
> +++ b/Documentation/conf.py
> @@ -296,6 +296,10 @@ if html_theme == 'sphinx_rtd_theme' or html_theme == 'sphinx_rtd_dark_mode':
>                  # Add color-specific RTD normal mode
>                  html_css_files.append('theme_rtd_colors.css')
>  
> +        html_theme_options = {
> +            'navigation_depth': -1,
> +        }
> +
>      except ImportError:
>          html_theme = 'alabaster'

Applied, thanks.

jon