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 ---
Changes in v3: None Changes in v2: None
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 bbe965af84..684223f275 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; } } }