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[RESEND,v3,20/26] x86: fsp: video: Allocate a frame buffer when needed

Message ID 20200702211204.RESEND.v3.20.I924a9e665cb5136a4034703a9360c1b4049c97b7@changeid
State Accepted
Commit be7418f35e80b3d836034a11866d47cdf3ba82ea
Delegated to: Bin Meng
Headers show
Series x86: video: Speed up the framebuffer | expand

Commit Message

Simon Glass July 3, 2020, 3:12 a.m. UTC 
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>
---

(no changes since v1)

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

diff --git a/arch/x86/lib/fsp/fsp_graphics.c b/arch/x86/lib/fsp/fsp_graphics.c
index 6e23f3c95f..e8c1e07af1 100644
--- a/arch/x86/lib/fsp/fsp_graphics.c
+++ b/arch/x86/lib/fsp/fsp_graphics.c
@@ -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[] = {