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drm/nouveau/fan: fix a typo in PWM's input clock calculation

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Reported-by: Jukka Hopeavuori <jukka.hopea@gmail.com>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Martin Peres 2012-10-07 19:34:21 +02:00 committed by Ben Skeggs
parent b47f1421ad
commit bbebb4ebc8
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
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@ -92,7 +92,7 @@ nv50_fan_pwm_clock(struct nouveau_therm *therm)
if (nv_rd32(therm, 0xc040) & 0x800000) {
/* Use the HOST clock (100 MHz)
* Where does this constant(2.4) comes from? */
pwm_clock = (100000000 >> pwm_div) / 10 / 24;
pwm_clock = (100000000 >> pwm_div) * 10 / 24;
} else {
/* Where does this constant(20) comes from? */
pwm_clock = (crystal * 1000) >> pwm_div;