From e6d22570a84ce1e158f184a8a90cfd53be48bbf4 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Thu, 22 Aug 2019 02:54:06 +0200
Subject: bcm: invalidate cache on Fbinfo after firmware completion

---
 sys/src/9/bcm/vcore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sys/src')

diff --git a/sys/src/9/bcm/vcore.c b/sys/src/9/bcm/vcore.c
index 9b9b8cc1a..818c12a35 100644
--- a/sys/src/9/bcm/vcore.c
+++ b/sys/src/9/bcm/vcore.c
@@ -220,7 +220,8 @@ fbinit(int set, int *width, int *height, int *depth)
 	cachedwbinvse(fi, sizeof(*fi));
 	vcwrite(ChanFb, dmaaddr(fi));
 	if(vcread(ChanFb) != 0)
-		return 0;
+		return nil;
+	cachedinvse(fi, sizeof(*fi));
 	va = mmukmap(FRAMEBUFFER, (fi->base&~0xC0000000)|PHYSDRAM, fi->screensize);
 	if(va)
 		memset((char*)va, 0x7F, fi->screensize);
-- 
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