diff options
Diffstat (limited to 'drivers/video/da8xx-fb.c')
| -rw-r--r-- | drivers/video/da8xx-fb.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 217c05f7454..55f91d9ab00 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -460,18 +460,43 @@ static int lcd_cfg_frame_buffer(struct da8xx_fb_par *par, u32 width, u32 height, /* Set the Panel Width */ /* Pixels per line = (PPL + 1)*16 */ - /*0x3F in bits 4..9 gives max horisontal resolution = 1024 pixels*/ - width &= 0x3f0; + if (lcd_revision == LCD_VERSION_1) { + /* + * 0x3F in bits 4..9 gives max horizontal resolution = 1024 + * pixels. + */ + width &= 0x3f0; + } else { + /* + * 0x7F in bits 4..10 gives max horizontal resolution = 2048 + * pixels. + */ + width &= 0x7f0; + } + reg = lcdc_read(LCD_RASTER_TIMING_0_REG); reg &= 0xfffffc00; - reg |= ((width >> 4) - 1) << 4; + if (lcd_revision == LCD_VERSION_1) { + reg |= ((width >> 4) - 1) << 4; + } else { + width = (width >> 4) - 1; + reg |= ((width & 0x3f) << 4) | ((width & 0x40) >> 3); + } lcdc_write(reg, LCD_RASTER_TIMING_0_REG); /* Set the Panel Height */ + /* Set bits 9:0 of Lines Per Pixel */ reg = lcdc_read(LCD_RASTER_TIMING_1_REG); reg = ((height - 1) & 0x3ff) | (reg & 0xfffffc00); lcdc_write(reg, LCD_RASTER_TIMING_1_REG); + /* Set bit 10 of Lines Per Pixel */ + if (lcd_revision == LCD_VERSION_2) { + reg = lcdc_read(LCD_RASTER_TIMING_2_REG); + reg |= ((height - 1) & 0x400) << 16; + lcdc_write(reg, LCD_RASTER_TIMING_2_REG); + } + /* Set the Raster Order of the Frame Buffer */ reg = lcdc_read(LCD_RASTER_CTRL_REG) & ~(1 << 8); if (raster_order) |