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Commit 956dba3c authored by Andy Whitcroft's avatar Andy Whitcroft Committed by Eric Anholt
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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: default avatarAndy Whitcroft <apw@canonical.com>
Acked-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 12682a97

drivers/gpu/drm/i915/intel_display.c

+1 −1
Original line number Diff line number Diff line
@@ -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);