Searched refs:mult_q (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/drivers/gpu/drm/imx/dcss/ |
| H A D | dcss-scaler.c | 112 static int mult_q(int A, int B) in mult_q() function
153 term = mult_q(term, div_q(x, 1 << PSC_Q_FRACTION)); in exp_approx_q()
155 term = mult_q(term, div_q(x, 2 << PSC_Q_FRACTION)); in exp_approx_q()
157 term = mult_q(term, div_q(x, 3 << PSC_Q_FRACTION)); in exp_approx_q()
159 term = mult_q(term, div_q(x, 4 << PSC_Q_FRACTION)); in exp_approx_q()
199 mult_q(sigma_q, sigma_q))); in dcss_scaler_gaussian_filter()
200 g2_q = mult_q(g1_q, g1_q); in dcss_scaler_gaussian_filter()
208 g0_q = mult_q(g0_q, g1_q); in dcss_scaler_gaussian_filter()
209 g1_q = mult_q(g1_q, g2_q); in dcss_scaler_gaussian_filter()
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