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video: IPU framebuffer: honor clock and enable polarities 

These flags are already parsed from DT, so we can just use them to
configure the timings correctly.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jan Luebbe 2016-12-08 18:04:40 +01:00 committed by Sascha Hauer
parent c6b10f69a9
commit 34babf2121
1 changed files with 3 additions and 2 deletions
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5
drivers/video/imx-ipu-v3/ipufb.c
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@ -128,8 +128,9 @@ int ipu_crtc_mode_set(struct ipufb_info *fbi,
if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
sig_cfg.Vsync_pol = 1;
sig_cfg.enable_pol = 1;
sig_cfg.clk_pol = 0;
sig_cfg.enable_pol = !(mode->display_flags & DISPLAY_FLAGS_DE_LOW);
/* Default to driving pixel data on negative clock edges */
sig_cfg.clk_pol = !!(mode->display_flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
sig_cfg.width = mode->xres;
sig_cfg.height = mode->yres;
sig_cfg.h_start_width = mode->left_margin;