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sandbox: Support changing the LCD colour depth

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Add a new device-tree property to control the colour depth. At present we
support 16bpp and 32bpp.

While we are here, update the code to use livetree.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Simon Glass
2020-02-03 07:36:14 -07:00
parent 6be88c7282
commit a466db5adb
3 changed files with 9 additions and 6 deletions
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8
drivers/video/sandbox_sdl.c
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@@ -47,13 +47,11 @@ static int sandbox_sdl_bind(struct udevice *dev)
{
struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
struct sandbox_sdl_plat *plat = dev_get_platdata(dev);
const void *blob = gd->fdt_blob;
int node = dev_of_offset(dev);
int ret = 0;
plat->xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH);
plat->yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT);
plat->bpix = VIDEO_BPP16;
plat->xres = dev_read_u32_default(dev, "xres", LCD_MAX_WIDTH);
plat->yres = dev_read_u32_default(dev, "yres", LCD_MAX_HEIGHT);
plat->bpix = dev_read_u32_default(dev, "log2-depth", VIDEO_BPP16);
uc_plat->size = plat->xres * plat->yres * (1 << plat->bpix) / 8;
debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);