diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/dispc.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/dss/dispc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c index cc61513afdb4..ddce8fcfc5c1 100644 --- a/drivers/video/fbdev/omap2/dss/dispc.c +++ b/drivers/video/fbdev/omap2/dss/dispc.c @@ -2326,6 +2326,21 @@ again: error = (error || in_width > maxsinglelinewidth * 2 || (in_width > maxsinglelinewidth && *five_taps) || !*core_clk || *core_clk > dispc_core_clk_rate()); + + if (!error) { + /* verify that we're inside the limits of scaler */ + if (in_width / 4 > out_width) + error = 1; + + if (*five_taps) { + if (in_height / 4 > out_height) + error = 1; + } else { + if (in_height / 2 > out_height) + error = 1; + } + } + if (error) { if (*decim_x == *decim_y) { *decim_x = min_factor; |