Jani Nikula d930ffa5d6 drm/gma500: use drm_crtc_vblank_crtc()
We have drm_crtc_vblank_crtc() to get the struct drm_vblank_crtc pointer
for a crtc. Use it instead of poking at dev->vblank[] directly.

However, we also need to get the crtc to start with. We could use
drm_crtc_from_index(), but refactor to use drm_for_each_crtc() instead.

This is all a bit tedious, and perhaps the driver shouldn't be poking at
vblank->enabled directly in the first place. But at least hide away the
dev->vblank[] access in drm_vblank.c where it belongs.

Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patch.msgid.link/27b2c6772c68120d0d5ec28477db0d993743e955.1762513240.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2025-11-10 13:24:24 +02:00
2025-10-17 13:02:22 +02:00
2025-10-24 14:45:08 +02:00
…
2025-02-19 14:53:27 -07:00
2025-10-19 15:19:16 -10:00
…

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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