[PATCH v4 00/10] backlight: Replace struct fb_info in interfaces

Lee Jones lee at kernel.org
Wed Mar 13 08:03:21 UTC 2024


On Wed, 13 Mar 2024, Uwe Kleine-König wrote:

> Hello Thomas,
> 
> On Tue, Mar 05, 2024 at 05:22:33PM +0100, Thomas Zimmermann wrote:
> > Backlight drivers implement struct backlight_ops.check_fb, which
> > uses struct fb_info in its interface. Replace the callback with one
> > that does not use fb_info.
> > 
> > In DRM, we have several drivers that implement backlight support. By
> > including <linux/backlight.h> these drivers depend on <linux/fb.h>.
> > At the same time, fbdev is deprecated for new drivers and likely to
> > be replaced on many systems.
> > 
> > This patchset is part of a larger effort to implement the backlight
> > code without depending on fbdev.
> > 
> > Patch 1 makes the backlight core match backlight and framebuffer
> > devices via struct fb_info.bl_dev. Patches 2 to 9 then go through
> > drivers and remove unnecessary implementations of check_fb. Finally,
> > patch 10 replaces the check_fb hook with controls_device, which
> > uses the framebuffer's Linux device instead of the framebuffer.
> 
> I assume the merge plan for this series is via drm-misc in one go?

Backlight in one go.  This will be the second attempt at applying it.

-- 
Lee Jones [李琼斯]


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