diff options
Diffstat (limited to 'drivers/video/sunxi_display.c')
| -rw-r--r-- | drivers/video/sunxi_display.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index af728b51c7..f5f24fc020 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -645,7 +645,8 @@ static int sunxi_lcdc_get_clk_delay(const struct ctfb_res_modes *mode) return (delay > 30) ? 30 : delay; } -static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode) +static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode, + bool for_ext_vga_dac) { struct sunxi_lcdc_reg * const lcdc = (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE; @@ -719,6 +720,11 @@ static void sunxi_lcdc_tcon0_mode_set(const struct ctfb_res_modes *mode) val |= SUNXI_LCDC_TCON_HSYNC_MASK; if (!(mode->sync & FB_SYNC_VERT_HIGH_ACT)) val |= SUNXI_LCDC_TCON_VSYNC_MASK; + +#ifdef CONFIG_VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH + if (for_ext_vga_dac) + val = 0; +#endif writel(val, &lcdc->tcon0_io_polarity); writel(0, &lcdc->tcon0_io_tristate); @@ -1015,7 +1021,7 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, hitachi_tx18d42vm_init(); } sunxi_composer_mode_set(mode, address); - sunxi_lcdc_tcon0_mode_set(mode); + sunxi_lcdc_tcon0_mode_set(mode, false); sunxi_composer_enable(); sunxi_lcdc_enable(); #ifdef CONFIG_VIDEO_LCD_SSD2828 @@ -1033,7 +1039,7 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, sunxi_vga_enable(); #elif defined CONFIG_VIDEO_VGA_VIA_LCD sunxi_composer_mode_set(mode, address); - sunxi_lcdc_tcon0_mode_set(mode); + sunxi_lcdc_tcon0_mode_set(mode, true); sunxi_composer_enable(); sunxi_lcdc_enable(); sunxi_vga_external_dac_enable(); |