Re: [PATCH v5 00/16] acpi/pwm/i915: Convert pwm-crc and i915 driver's PWM code to use the atomic PWM API

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cHi,

On 7/29/20 10:23 AM, Andy Shevchenko wrote:
On Mon, Jul 27, 2020 at 09:41:20AM +0200, Thierry Reding wrote:
On Fri, Jul 17, 2020 at 03:37:37PM +0200, Hans de Goede wrote:

I've applied patches 3 through 12 to the PWM tree. I thought it was a
bit odd that only a handful of these patches had been reviewed and there
were no Tested-bys, but I'm going to trust that you know what you're
doing. =) If this breaks things for anyone I'm sure they'll complain.

Thank you for picking up these patches, but ...

Can we postpone a bit?

I have to agree with Andy here, as mentioned my plan was to push the
entire series through drm-intel-next-queued once the last few PWM
patches are reviewed.

There are some fixes, to the pwm-crc driver which change behavior in
a possibly undesirable way, unless combined with the i915 changes.

E.g. there is a fix which makes the pwm-crc driver actually honor
the requested output frequency (it was not doing this due to a bug)
and before the i915 changes, the i915 driver was hardcoding an output
freq, rather then looking at the video-bios-tables as it should.

So having just the pwm-crc fix, will change the output frequency
which some LCD panels might not like.

Note things are probably fine with the hardcoded output freq, but I
would like to play it safe here.

Also Andy was still reviewing some of the PWM patches, and has requested
changes to 1 patch, nothing functional just some code-reshuffling for
cleaner code, so we could alternatively fix this up with a follow-up patch.

Either way please let us know how you want to proceed.

That said I see that Rafael has acked patches 1-2 and Jani did so for
patches 13-16. I'm not sure if you expect me to pick those patches up as
well. As far as I can tell the ACPI, PWM and DRM parts are all
independent, so these patches could be applied to the corresponding
subsystem trees.

Anyway, if you want me to pick those all up into the PWM tree, I suppose
that's something I can do as well.

drm-intel-next-queued is usually seeing quite a bit of churn, so the i915
patches really should go upstream through that branch.

Regards,

Hans

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