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

[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 <ken.chalmers@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ken Chalmers 2018-12-19 14:50:20 -05:00 committed by Alex Deucher
parent 785fd44c25
commit 32e61361b8
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c
View File

@ -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,