From a2572f5cfb6c373cd4bc0acbd9f25f0af591ee7c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 4 Dec 2015 22:20:21 +0200 Subject: [PATCH] drm/i915: Round to closest when computing the VGA dotclock for LPT-H MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Bspec says we should round to closest when computing the LPT-H VGA dotclock, so let's do that. v2: Fix typo in commit message (Paulo) Signed-off-by: Ville Syrjälä Reviewed-by: Paulo Zanoni Link: http://patchwork.freedesktop.org/patch/msgid/1449260421-14243-1-git-send-email-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c69a0d6..7e3afcc 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3978,7 +3978,7 @@ static void lpt_program_iclkip(struct drm_crtc *crtc) u32 iclk_pi_range = 64; u32 desired_divisor, msb_divisor_value, pi_value; - desired_divisor = (iclk_virtual_root_freq / clock); + desired_divisor = DIV_ROUND_CLOSEST(iclk_virtual_root_freq, clock); msb_divisor_value = desired_divisor / iclk_pi_range; pi_value = desired_divisor % iclk_pi_range; -- 2.7.4