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video: omap: add loop exit conditions to the dpll setup
In case of null error, round rate is equal to target rate, so it is useless to continue to search the DPLL setup parameters to get the desidered pixel clock rate. Signed-off-by: Dario Binacchi <dariobin@libero.it> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
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@ -160,7 +160,7 @@ int am335xfb_init(struct am335x_lcdpanel *panel)
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err = panel->pxl_clk;
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err_r = err;
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for (d = 2; d < 255; d++) {
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for (d = 2; err_r && d < 255; d++) {
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for (m = 2; m < 2047; m++) {
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if ((V_OSCK * m) < (panel->pxl_clk * d))
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continue;
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@ -176,6 +176,8 @@ int am335xfb_init(struct am335x_lcdpanel *panel)
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dpll_disp.m = m;
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dpll_disp.n = n;
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best_d = d;
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if (err_r == 0)
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break;
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}
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}
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}
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