From 485b747ea6ecf491bf07c69a4ea36c0ccf3c8435 Mon Sep 17 00:00:00 2001 From: Mikita Lipski Date: Fri, 10 Jan 2020 14:31:52 -0500 Subject: [PATCH] drm/amd/display: Fix compilation warnings on i386 [why] Compilation error "undefined reference to `__udivdi3'" was thrown on i386 architecture. [how] Use div_u64 for unsigned long division instead of a divide operator. Reported-by: Randy Dunlap Reviewed-by: Alex Deucher Signed-off-by: Mikita Lipski Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 5a476028ee37..52fb207393ef 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -533,7 +533,7 @@ static int kbps_to_peak_pbn(int kbps) u64 peak_kbps = kbps; peak_kbps *= 1006; - peak_kbps /= 1000; + peak_kbps = div_u64(peak_kbps, 1000); return (int) DIV_ROUND_UP(peak_kbps * 64, (54 * 8 * 1000)); } @@ -565,7 +565,7 @@ static int bpp_x16_from_pbn(struct dsc_mst_fairness_params param, int pbn) struct dc_dsc_config dsc_config; u64 kbps; - kbps = (u64)pbn * 994 * 8 * 54 / 64; + kbps = div_u64((u64)pbn * 994 * 8 * 54, 64); dc_dsc_compute_config( param.sink->ctx->dc->res_pool->dscs[0], ¶m.sink->sink_dsc_caps.dsc_dec_caps, -- 2.30.2