Lines Matching refs:fb_div
85 unsigned *fb_div, unsigned *ref_div) in amdgpu_pll_get_fb_ref_div() argument
92 *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); in amdgpu_pll_get_fb_ref_div()
95 if (*fb_div > fb_div_max) { in amdgpu_pll_get_fb_ref_div()
96 *ref_div = DIV_ROUND_CLOSEST(*ref_div * fb_div_max, *fb_div); in amdgpu_pll_get_fb_ref_div()
97 *fb_div = fb_div_max; in amdgpu_pll_get_fb_ref_div()
125 unsigned fb_div_min, fb_div_max, fb_div; in amdgpu_pll_compute() local
202 ref_div_max, &fb_div, &ref_div); in amdgpu_pll_compute()
203 diff = abs(target_clock - (pll->reference_freq * fb_div) / in amdgpu_pll_compute()
217 &fb_div, &ref_div); in amdgpu_pll_compute()
221 amdgpu_pll_reduce_ratio(&fb_div, &ref_div, fb_div_min, ref_div_min); in amdgpu_pll_compute()
224 if (pll->flags & AMDGPU_PLL_USE_FRAC_FB_DIV && (fb_div % 10)) { in amdgpu_pll_compute()
225 fb_div_min = max(fb_div_min, (9 - (fb_div % 10)) * 20 + 60); in amdgpu_pll_compute()
226 if (fb_div < fb_div_min) { in amdgpu_pll_compute()
227 unsigned tmp = DIV_ROUND_UP(fb_div_min, fb_div); in amdgpu_pll_compute()
228 fb_div *= tmp; in amdgpu_pll_compute()
235 *fb_div_p = fb_div / 10; in amdgpu_pll_compute()
236 *frac_fb_div_p = fb_div % 10; in amdgpu_pll_compute()
238 *fb_div_p = fb_div; in amdgpu_pll_compute()