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OMAPDSS: skip pclk check for WB mem2mem

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When doing mem-to-mem writeback, there's no pixelclock. However, the
code that calculates scaling factors check that there is a pixel clock.
We can just skip the check when doing mem-to-mem writeback.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2015-11-04 17:10:51 +02:00
parent ecb0b366af
commit fd2eac5a66
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/omap2/dss/dispc.c
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@ -2477,7 +2477,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
if (width == out_width && height == out_height)
return 0;
if (pclk == 0 || mgr_timings->pixelclock == 0) {
if (!mem_to_mem && (pclk == 0 || mgr_timings->pixelclock == 0)) {
DSSERR("cannot calculate scaling settings: pclk is zero\n");
return -EINVAL;
}