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Searched refs:PSC_Q_FRACTION (Results 1 – 1 of 1) sorted by relevance

/Linux-v6.6/drivers/gpu/drm/imx/dcss/
Ddcss-scaler.c104 #define PSC_Q_FRACTION 19 macro
105 #define PSC_Q_ROUND_OFFSET (1 << (PSC_Q_FRACTION - 1))
119 result = (int)(temp >> PSC_Q_FRACTION); in mult_q()
133 temp = (int64_t)A << PSC_Q_FRACTION; in div_q()
150 int sum = 1 << PSC_Q_FRACTION; in exp_approx_q()
151 int term = 1 << PSC_Q_FRACTION; in exp_approx_q()
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()
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