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drm/radeon: replace min/max nesting with clamp()

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The clamp() macro explicitly expresses the intent of constraining
a value within bounds.Therefore, replacing min(max(a, b), c) and
max(min(a,b),c) with clamp(val, lo, hi) can improve code readability.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xichao Zhao 2025-08-12 11:16:03 +08:00 committed by Alex Deucher
parent f101c13a87
commit 3e03525ce1
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/radeon_display.c
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@ -926,10 +926,10 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div,
unsigned *fb_div, unsigned *ref_div)
{
/* limit reference * post divider to a maximum */
ref_div_max = max(min(100 / post_div, ref_div_max), 1u);
ref_div_max = clamp(100 / post_div, 1u, ref_div_max);
/* get matching reference and feedback divider */
*ref_div = min(max(den/post_div, 1u), ref_div_max);
*ref_div = clamp(den / post_div, 1u, ref_div_max);
*fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den);
/* limit fb divider to its maximum */