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 <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
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 73e7b9c..9f79de3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1574,7 +1574,7 @@ 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);
--
1.6.3.rc3.199.g24398
------------------------------------------------------------------------------
--
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