On 08/03/2011 06:20 PM, Alon Levy wrote:
RHBZ: 727886The io port range test was too large, requiring support for the new io ports introduced in revision 3. The purpose was just the opposite, to only require the revision 2 range, and use the revision 3 range only if the device claims revision 3. Fix by checking that either rev == 2&& io range contains 2 rev> 2&& io range contains 3 --- miniport/qxl.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/miniport/qxl.c b/miniport/qxl.c index 4271104..40e8379 100644 --- a/miniport/qxl.c +++ b/miniport/qxl.c @@ -180,7 +180,10 @@ VP_STATUS InitIO(QXLExtension *dev, PVIDEO_ACCESS_RANGE range) PAGED_CODE(); DEBUG_PRINT((dev, 0, "%s\n", __FUNCTION__)); - if (range->RangeLength< QXL_IO_RANGE_SIZE + if ((dev->pci_revision == QXL_REVISION_STABLE_V06&& + range->RangeLength< QXL_IO_DESTROY_ALL_SURFACES + 1) + || (dev->pci_revision> QXL_REVISION_STABLE_V06&& + range->RangeLength< QXL_IO_FLUSH_RELEASE + 1) || !range->RangeInIoSpace) { DEBUG_PRINT((dev, 0, "%s: bad io range\n", __FUNCTION__)); return ERROR_INVALID_DATA;
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