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x86: fsp: video: Allocate a frame buffer when needed

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When the copy framebuffer is in use, we must also have the standard U-Boot
framebuffer available. Update the FSP driver to support this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-07-02 21:12:31 -06:00 committed by Bin Meng
parent 0938767da1
commit be7418f35e
1 changed files with 12 additions and 0 deletions
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12
arch/x86/lib/fsp/fsp_graphics.c
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@ -117,6 +117,16 @@ err:
return ret;
}
static int fsp_video_bind(struct udevice *dev)
{
struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
/* Set the maximum supported resolution */
plat->size = 2560 * 1600 * 4;
return 0;
}
static const struct udevice_id fsp_video_ids[] = {
{ .compatible = "fsp-fb" },
{ }
@ -126,7 +136,9 @@ U_BOOT_DRIVER(fsp_video) = {
.name = "fsp_video",
.id = UCLASS_VIDEO,
.of_match = fsp_video_ids,
.bind = fsp_video_bind,
.probe = fsp_video_probe,
.flags = DM_FLAG_PRE_RELOC,
};
static struct pci_device_id fsp_video_supported[] = {