[Intel-gfx] [PATCH] i915: Add native backlight control
mjg59 at srcf.ucam.org
Thu Sep 9 10:14:09 PDT 2010
On Thu, Sep 09, 2010 at 06:09:40PM +0100, Chris Wilson wrote:
> On Wed, 8 Sep 2010 12:32:18 -0400, Matthew Garrett <mjg at redhat.com> wrote:
> > Not all systems expose a firmware or platform mechanism for changing the
> > backlight intensity on i915, so add native driver support.
> This will conflict with a similar patch I have in drm-intel-next to unify
> the various bits of code that were attempting to modify the BLC PWM, each
> in their own unique fashion.
> I'll respin this native interface on top of that. Do you want to add a
> native RAW interface all in one go, or to base it on the current
> backlight_device and then to add the RAW property with this patch set?
I don't think providing a native interface in i915 is beneficial without
providing the type information - userspace just doesn't have any way to
identify the correct device otherwise.
Matthew Garrett | mjg59 at srcf.ucam.org
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