From: Ville Syrjälä Date: Tue, 24 Sep 2013 18:26:19 +0000 (+0300) Subject: drm/i915: Use DIV_ROUND_CLOSEST() X-Git-Tag: v3.13-rc1~69^2~81^2~26 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5de56df5c708f5d0d1bb2c156385a6740436affa;p=platform%2Fkernel%2Flinux-stable.git drm/i915: Use DIV_ROUND_CLOSEST() vlv_find_best_dpll() has an open coded DIV_ROUND_CLOSEST(). Replace it with the real thing. Signed-off-by: Ville Syrjälä Reviewed-by: Mika Kuoppala Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fcf2296..76870f0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -695,8 +695,7 @@ vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, p = p1 * p2; /* based on hardware requirement, prefer bigger m1,m2 values */ for (m1 = limit->m1.min; m1 <= limit->m1.max; m1++) { - m2 = (((2*(fastclk * p * n / m1 )) + - refclk) / (2*refclk)); + m2 = DIV_ROUND_CLOSEST(fastclk * p * n, refclk * m1); m = m1 * m2; vco = updrate * m;