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qxl: stop using non revision 4 rom fields for revision < 4

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Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Alon Levy 2013-01-21 14:48:06 +02:00 • committed by Gerd Hoffmann
parent 1356b98d3e
commit e0ac6097b6
2 changed files with 13 additions and 0 deletions
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11
hw/qxl.c
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@ -945,6 +945,12 @@ static void interface_set_client_capabilities(QXLInstance *sin,
{
PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
if (qxl->revision < 4) {
trace_qxl_set_client_capabilities_unsupported_by_revision(qxl->id,
qxl->revision);
return;
}
if (runstate_check(RUN_STATE_INMIGRATE) ||
runstate_check(RUN_STATE_POSTMIGRATE)) {
return;
@ -979,6 +985,11 @@ static int interface_client_monitors_config(QXLInstance *sin,
QXLRom *rom = memory_region_get_ram_ptr(&qxl->rom_bar);
int i;
if (qxl->revision < 4) {
trace_qxl_client_monitors_config_unsupported_by_device(qxl->id,
qxl->revision);
return 0;
}
/*
* Older windows drivers set int_mask to 0 when their ISR is called,
* then later set it to ~0. So it doesn't relate to the actual interrupts