drm/omap: move HDMI PLL calc function to pll.c

Move hdmi_pll_compute(), used to calculate the config for HDMI PLL, from
hdmi_pll.c to pll.c, with the name of dss_pll_calc_b(), to make it
available to non-HDMI users.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 0 insertions, 60 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
index a9896e7454c5..ac866d23c2dc 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
@@ -39,66 +39,6 @@ void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s)
 	DUMPPLL(PLLCTRL_CFG4);
 }
 
-void hdmi_pll_compute(struct hdmi_pll_data *pll,
-	unsigned long target_tmds, struct dss_pll_clock_info *pi)
-{
-	unsigned long fint, clkdco, clkout;
-	unsigned long target_bitclk, target_clkdco;
-	unsigned long min_dco;
-	unsigned n, m, mf, m2, sd;
-	unsigned long clkin;
-	const struct dss_pll_hw *hw = pll->pll.hw;
-
-	clkin = clk_get_rate(pll->pll.clkin);
-
-	DSSDBG("clkin %lu, target tmds %lu\n", clkin, target_tmds);
-
-	target_bitclk = target_tmds * 10;
-
-	/* Fint */
-	n = DIV_ROUND_UP(clkin, hw->fint_max);
-	fint = clkin / n;
-
-	/* adjust m2 so that the clkdco will be high enough */
-	min_dco = roundup(hw->clkdco_min, fint);
-	m2 = DIV_ROUND_UP(min_dco, target_bitclk);
-	if (m2 == 0)
-		m2 = 1;
-
-	target_clkdco = target_bitclk * m2;
-	m = target_clkdco / fint;
-
-	clkdco = fint * m;
-
-	/* adjust clkdco with fractional mf */
-	if (WARN_ON(target_clkdco - clkdco > fint))
-		mf = 0;
-	else
-		mf = (u32)div_u64(262144ull * (target_clkdco - clkdco), fint);
-
-	if (mf > 0)
-		clkdco += (u32)div_u64((u64)mf * fint, 262144);
-
-	clkout = clkdco / m2;
-
-	/* sigma-delta */
-	sd = DIV_ROUND_UP(fint * m, 250000000);
-
-	DSSDBG("N = %u, M = %u, M.f = %u, M2 = %u, SD = %u\n",
-		n, m, mf, m2, sd);
-	DSSDBG("Fint %lu, clkdco %lu, clkout %lu\n", fint, clkdco, clkout);
-
-	pi->n = n;
-	pi->m = m;
-	pi->mf = mf;
-	pi->mX[0] = m2;
-	pi->sd = sd;
-
-	pi->fint = fint;
-	pi->clkdco = clkdco;
-	pi->clkout[0] = clkout;
-}
-
 static int hdmi_pll_enable(struct dss_pll *dsspll)
 {
 	struct hdmi_pll_data *pll = container_of(dsspll, struct hdmi_pll_data, pll);