Commit 6fbbb660 authored by Li Zetao's avatar Li Zetao Committed by Alex Deucher
Browse files

drm/amd: use clamp() in amdgpu_pll_get_fb_ref_div() 



When it needs to get a value within a certain interval, using clamp()
makes the code easier to understand than min(max()).

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarLi Zetao <lizetao1@huawei.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2c7795e2

drivers/gpu/drm/amd/amdgpu/amdgpu_pll.c

+1 −1
Original line number Diff line number Diff line
@@ -94,7 +94,7 @@ static void amdgpu_pll_get_fb_ref_div(struct amdgpu_device *adev, unsigned int n 
		ref_div_max = min(128 / post_div, ref_div_max);



	/* get matching reference and feedback divider */

	*ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);

	*ref_div = clamp(DIV_ROUND_CLOSEST(den, post_div), 1u, ref_div_max);

	*fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den);



	/* limit fb divider to its maximum */