From: Andy Whitcroft Date: Wed, 1 Jul 2009 14:20:59 +0000 (+0100) Subject: drm/i915: fix up a raw 64bit divide X-Git-Tag: v2.6.31-rc3~25^2~17 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=956dba3caaf66b84fe5f6180e0e4dd03902c7980;p=profile%2Fivi%2Fkernel-x86-ivi.git drm/i915: fix up a raw 64bit divide We are seeing compilation failures on i386 in some environments due to an undefined reference as below: ERROR: "__udivdi3" [drivers/gpu/drm/i915/i915.ko] undefined! This is generated due to a raw 64 bit divide in the i915 driver. Fix up this raw divide. Signed-off-by: Andy Whitcroft Acked-by: Jesse Barnes Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a84ac05..59de495 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1577,7 +1577,7 @@ igdng_compute_m_n(int bytes_per_pixel, int nlanes, temp = (u64) DATA_N * pixel_clock; temp = div_u64(temp, link_clock); - m_n->gmch_m = (temp * bytes_per_pixel) / nlanes; + m_n->gmch_m = div_u64(temp * bytes_per_pixel, nlanes); m_n->gmch_n = DATA_N; fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);