[PATCH v4] drm/i915/hwmon: expose fan speed

Raag Jadav raag.jadav at intel.com
Tue Aug 13 11:23:13 UTC 2024


On Fri, Aug 09, 2024 at 02:48:08PM +0300, Andy Shevchenko wrote:
> On Fri, Aug 09, 2024 at 11:45:25AM +0530, Raag Jadav wrote:
> 
> > +	/*
> > +	 * HW register value is accumulated count of pulses from
> > +	 * PWM fan with the scale of 2 pulses per rotation.
> > +	 */
> > +	rotations = pulses >> 1;
> 
> In accordance with the comment the
> 
> 	rotations = pulses / 2;
> 
> looks better.

This change seems to cause a build error in v5.
Something to do with __udivdi3 on i386.

Should we revert back to shift?

Found something similar here,
drivers/target/target_core_xcopy.c +697

Raag


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