From fd2eac5a66e5830e99324ba65a33d883cfd31d9e Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Wed, 4 Nov 2015 17:10:51 +0200 Subject: [PATCH] OMAPDSS: skip pclk check for WB mem2mem 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 --- drivers/video/fbdev/omap2/dss/dispc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c index 3cd78dcfefc5..837b1f508d79 100644 --- a/drivers/video/fbdev/omap2/dss/dispc.c +++ b/drivers/video/fbdev/omap2/dss/dispc.c @@ -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; } -- 2.39.5