Commit 196145eb authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Rob Clark

drm/msm/dsi_pll_10nm: Solve TODO for multiplier frac_bits assignment

The number of fractional registers bits is known and already set in
the frac_bits variable of the dsi_pll_config struct here in 10nm:
remove the TODO by simply using that variable.
Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 5c191fef
......@@ -481,6 +481,7 @@ static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
{
struct msm_dsi_pll *pll = hw_clk_to_pll(hw);
struct dsi_pll_10nm *pll_10nm = to_pll_10nm(pll);
struct dsi_pll_config *config = &pll_10nm->pll_configuration;
void __iomem *base = pll_10nm->mmio;
u64 ref_clk = pll_10nm->vco_ref_clk_rate;
u64 vco_rate = 0x0;
......@@ -501,9 +502,8 @@ static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
/*
* TODO:
* 1. Assumes prescaler is disabled
* 2. Multiplier is 2^18. it should be 2^(num_of_frac_bits)
*/
multiplier = 1 << 18;
multiplier = 1 << config->frac_bits;
pll_freq = dec * (ref_clk * 2);
tmp64 = (ref_clk * 2 * frac);
pll_freq += div_u64(tmp64, multiplier);
......
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