From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Tue, 24 Jan 2012 12:04:42 +0000 (+0000)
Subject: cirrus_vga: do not reset videoram
X-Git-Tag: qemu-xen-4.2.0~36
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=0ea2d40b85ca8af409492959d20c5504d0699bfe;p=qemu-upstream-4.2-testing.git

cirrus_vga: do not reset videoram

There is no need to set the videoram to 0xff in cirrus_reset, because it
is the BIOS' job.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Avi Kivity <avi@redhat.com>
---

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index c7e365b2a..9724efef6 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2784,10 +2784,6 @@ static void cirrus_reset(void *opaque)
     }
     s->vga.cr[0x27] = s->device_id;
 
-    /* Win2K seems to assume that the pattern buffer is at 0xff
-       initially ! */
-    memset(s->vga.vram_ptr, 0xff, s->real_vram_size);
-
     s->cirrus_hidden_dac_lockindex = 5;
     s->cirrus_hidden_dac_data = 0;
 }