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 ---
drivers/video/am335x-fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/video/am335x-fb.c b/drivers/video/am335x-fb.c index 779032396e..bb89cb515d 100644 --- a/drivers/video/am335x-fb.c +++ b/drivers/video/am335x-fb.c @@ -160,7 +160,7 @@ int am335xfb_init(struct am335x_lcdpanel *panel) err = panel->pxl_clk; err_r = err;
- for (d = 2; d < 255; d++) { + for (d = 2; err_r && d < 255; d++) { for (m = 2; m < 2047; m++) { if ((V_OSCK * m) < (panel->pxl_clk * d)) continue; @@ -176,6 +176,8 @@ int am335xfb_init(struct am335x_lcdpanel *panel) dpll_disp.m = m; dpll_disp.n = n; best_d = d; + if (err_r == 0) + break; } } }