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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-12-04 22:20:21 +0200
committerVille Syrjälä <ville.syrjala@linux.intel.com>2015-12-08 16:30:21 +0200
commita2572f5cfb6c373cd4bc0acbd9f25f0af591ee7c (patch)
tree42ada6ad7ea35cdb8d83e7bee8e701611f9fee1b /drivers/gpu/drm/i915/intel_display.c
parentf7be2c2150b0457ae88cb1cf7799846f996d72c7 (diff)
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drm/i915: Round to closest when computing the VGA dotclock for LPT-H
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 <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449260421-14243-1-git-send-email-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c69a0d6c5a1e..7e3afcc62997 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;
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