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gdsys: osd: Allow osdsize on valid screens only

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Limit "osdsize"-command to access valid screens only.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Dirk Eibach 2016-06-02 09:05:40 +02:00 committed by Tom Rini
parent 52b13f275e
commit df3223f9f7
1 changed files with 3 additions and 0 deletions
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3
board/gdsys/common/osd.c
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@ -469,6 +469,9 @@ int osd_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
}
for (screen = 0; screen < MAX_OSD_SCREEN; ++screen) {
if (!(osd_screen_mask & (1 << screen)))
continue;
OSD_SET_REG(screen, xy_size, ((x - 1) << 8) | (y - 1));
OSD_SET_REG(screen, x_pos, 32767 * (640 - 12 * x) / 65535);
OSD_SET_REG(screen, y_pos, 32767 * (480 - 18 * y) / 65535);