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drm/amd/display: Fix 64-bit division for 32-bit builds

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[Why]
32-bit builds break when doing 64-bit division directly.

[How]
Use the div_u64() function instead to perform the division.

Fixes: https://lists.freedesktop.org/archives/dri-devel/2018-December/201008.html
Signed-off-by: Ken Chalmers <[email protected]>
Reviewed-by: Leo Li <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Ken Chalmers authored and Alex Deucher committed 2019-01-14 15:04:45 -05:00
1 parent 785fd44c25
commit 32e61361b8
1 file changed
+1 -1
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drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c
+1 -1
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@@ -94,7 +94,7 @@ static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_100hz)
if (pix_clk_100hz == 0)
return;
pix_dur = 10000000000ull / pix_clk_100hz;
pix_dur = div_u64(10000000000ull, pix_clk_100hz);
set_reg_field_value(
value,