[PATCH 20/26] x86: fsp: video: Allocate a frame buffer when needed

Simon Glass
2020-05-19T23:10:52Z

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>
---

arch/x86/lib/fsp/fsp_graphics.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/x86/lib/fsp/fsp_graphics.c b/arch/x86/lib/fsp/fsp_graphics.c
index 70224c1a48..4eaa4fa6d4 100644
--- a/arch/x86/lib/fsp/fsp_graphics.c
+++ b/arch/x86/lib/fsp/fsp_graphics.c
@@ -116,6 +116,16 @@ 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" },
{ }
@@ -125,7 +135,9 @@ 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[] = {
--
2.26.2.761.g0e0b3e54be-goog