Commit 786ad214 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

xhci iso: fix time calculation 



Frameid specifies frames not microframes, so we
need to shift it to get the microframe index.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent c348e481

hw/usb/hcd-xhci.c

+2 −2
Original line number Diff line number Diff line
@@ -1974,8 +1974,8 @@ static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 
            xfer->mfindex_kick = asap;

        }

    } else {

        xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)

            & TRB_TR_FRAMEID_MASK;

        xfer->mfindex_kick = ((xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)

                              & TRB_TR_FRAMEID_MASK) << 3;

        xfer->mfindex_kick |= mfindex & ~0x3fff;

        if (xfer->mfindex_kick < mfindex) {

            xfer->mfindex_kick += 0x4000;