diff options
| author | Dario Binacchi <dariobin@libero.it> | 2020-02-22 14:05:43 +0100 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-03-03 13:08:14 +0530 |
| commit | 9d7f53c1e50f0c32a62d5ab76b47f34791b571f3 (patch) | |
| tree | 874f9cafbced4767887ce64822e3863b6160e6cf | |
| parent | 9aead9ae09416f4c54dfb7a4a076dd2147561ba3 (diff) | |
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>
| -rw-r--r-- | drivers/video/am335x-fb.c | 4 |
1 files changed, 3 insertions, 1 deletions
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; } } } |