From: Dave Airlie <airlied@linux.ie>
Date: Sun, 23 Apr 2006 08:14:00 +0000 (+1000)
Subject: drm: fixup r300 scratch on BE machines
X-Git-Tag: firefly_0821_release~35995^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=caa98c41c0db9bfda5bc9a0e680f304283089268;p=firefly-linux-kernel-4.4.55.git

drm: fixup r300 scratch on BE machines

This fixes the r300 scratch stuff to work on PPC,
from Ben Herrenschmidt on IRC.

Signed-off-by: Dave Airlie <airlied@linux.ie>
---

diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c
index b108c7f913b2..26bdf2ca59d7 100644
--- a/drivers/char/drm/r300_cmdbuf.c
+++ b/drivers/char/drm/r300_cmdbuf.c
@@ -723,7 +723,7 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
 	
 	dev_priv->scratch_ages[header.scratch.reg]++;
 	
-	ref_age_base = *(u32 **)cmdbuf->buf;
+	ref_age_base =  (u32 *)(unsigned long)*((uint64_t *)cmdbuf->buf);
 	
 	cmdbuf->buf += sizeof(u64);
 	cmdbuf->bufsz -= sizeof(u64);