diff options
author | Jan Kiszka | 2010-01-29 15:12:48 +0100 |
---|---|---|
committer | Anthony Liguori | 2010-01-29 16:53:00 +0100 |
commit | 4516e45f82b7ee0cedce875477e785989a719b67 (patch) | |
tree | bf0747551c5827f15cf8b5b096ebeb0057dc17c5 | |
parent | virtio-serial-bus: Fix bus initialisation and allow for bus identification (diff) | |
download | qemu-4516e45f82b7ee0cedce875477e785989a719b67.tar.gz qemu-4516e45f82b7ee0cedce875477e785989a719b67.tar.xz qemu-4516e45f82b7ee0cedce875477e785989a719b67.zip |
cirrus: Properly re-register cirrus_linear_io_addr on vram unmap
This fixes CONFIG_FB_CIRRUS for Linux guests and probably much more:
When switching away from linearly mapped vram, we also have to restore
the I/O handlers for the LFB.
This regression was once introduced by commit 2bec46dc97.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rw-r--r-- | hw/cirrus_vga.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 6fe433db20..9f61a01d45 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -2585,9 +2585,11 @@ static void map_linear_vram(CirrusVGAState *s) static void unmap_linear_vram(CirrusVGAState *s) { - if (s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end) + if (s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end) { s->vga.map_addr = s->vga.map_end = 0; - + cpu_register_physical_memory(s->vga.lfb_addr, s->vga.vram_size, + s->cirrus_linear_io_addr); + } cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000, s->vga.vga_io_memory); } |