[Xen-devel] [PATCH v6 1/6] cirrus_vga: do not reset videoram

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx>
Reviewed-by: Avi Kivity <avi@xxxxxxxxxx>
---
 hw/cirrus_vga.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 4edcb94..afedaa4 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2767,10 +2767,6 @@ 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;
 }
-- 
1.7.2.5


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