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1
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forked from pool/u-boot
u-boot/0006-efi_loader-gop-Expose-fb-when-32bpp.patch

65 lines
1.8 KiB
Diff

From 91c624a0bb3e400b28b3ac7ed3382ef9d5c0f752 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Mon, 6 Jun 2016 17:35:10 +0200
Subject: [PATCH] efi_loader: gop: Expose fb when 32bpp
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When we're running in 32bpp mode, expose the frame buffer address
to our payloads so that Linux efifb can pick it up.
Signed-off-by: Alexander Graf <agraf@suse.de>
[AF: Backport v2 (fb_base, fb_size) as build fix]
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
lib/efi_loader/efi_gop.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index 33a3d71..286ad83 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -129,6 +129,7 @@ int efi_gop_register(void)
{
struct efi_gop_obj *gopobj;
u32 bpix, col, row;
+ u64 fb_base, fb_size;
#ifdef CONFIG_DM_VIDEO
struct udevice *vdev;
@@ -141,11 +142,16 @@ int efi_gop_register(void)
bpix = priv->bpix;
col = video_get_xsize(vdev);
row = video_get_ysize(vdev);
+ fb_base = (uintptr_t)priv->fb;
+ fb_size = priv->fb_size;
#else
+ int line_len;
bpix = panel_info.vl_bpix;
col = panel_info.vl_col;
row = panel_info.vl_row;
+ fb_base = gd->fb_base;
+ fb_size = lcd_get_size(&line_len);
#endif
switch (bpix) {
@@ -177,6 +183,16 @@ int efi_gop_register(void)
gopobj->mode.info = &gopobj->info;
gopobj->mode.info_size = sizeof(gopobj->info);
+#ifdef CONFIG_DM_VIDEO
+ if (bpix == VIDEO_BPP32) {
+#else
+ if (bpix == LCD_COLOR32) {
+#endif
+ /* With 32bit color space we can directly expose the fb */
+ gopobj->mode.fb_base = fb_base;
+ gopobj->mode.fb_size = fb_size;
+ }
+
gopobj->info.version = 0;
gopobj->info.width = col;
gopobj->info.height = row;