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

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>

diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
index f87a7a3..9360ddd 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv50.c
@@ -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;