diff options
Diffstat (limited to 'drivers/video/sh_mipi_dsi.c')
| -rw-r--r-- | drivers/video/sh_mipi_dsi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c index 77743f4388a0..b8aea8c60bc7 100644 --- a/drivers/video/sh_mipi_dsi.c +++ b/drivers/video/sh_mipi_dsi.c @@ -153,7 +153,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, void __iomem *base = mipi->base; struct sh_mobile_lcdc_chan_cfg *ch = pdata->lcd_chan; u32 pctype, datatype, pixfmt, linelength, vmctr2; - u32 tmp, top, bottom, delay; + u32 tmp, top, bottom, delay, div; bool yuv; int bpp; @@ -364,17 +364,23 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, bottom = 0x00000001; delay = 0; + div = 1; /* HSbyteCLK is calculation base + * HS4divCLK = HSbyteCLK/2 + * HS6divCLK is not supported for now */ + if (pdata->flags & SH_MIPI_DSI_HS4divCLK) + div = 2; + if (pdata->flags & SH_MIPI_DSI_HFPBM) { /* HBPLEN */ top = ch->lcd_cfg[0].hsync_len + ch->lcd_cfg[0].left_margin; - top = ((pdata->lane * top) - 10) << 16; + top = ((pdata->lane * top / div) - 10) << 16; } if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */ bottom = ch->lcd_cfg[0].right_margin; - bottom = (pdata->lane * bottom) - 12; + bottom = (pdata->lane * bottom / div) - 12; } bpp = linelength / ch->lcd_cfg[0].xres; /* byte / pixel */ - if (pdata->lane > bpp) { + if ((pdata->lane / div) > bpp) { tmp = ch->lcd_cfg[0].xres / bpp; /* output cycle */ tmp = ch->lcd_cfg[0].xres - tmp; /* (input - output) cycle */ delay = (pdata->lane * tmp); |