Changeset 88166 in vbox for trunk/src/VBox/Devices/Audio

Timestamp:

Mar 17, 2021 5:50:10 PM (4 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

143315

Message:

DevHDA: DMA schduling fix. bugref:9890

File:

• trunk/src/VBox/Devices/Audio/HDAStream.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/HDAStream.cpp

@@ -1934 +1934 @@
         {
             idxSched += 1;
-            if (   idxSched > pStreamShared->State.cSchedule
+            if (   idxSched >= pStreamShared->State.cSchedule
                 || idxSched >= RT_ELEMENTS(pStreamShared->State.aSchedule) /*paranoia^2*/)
             {
@@ -1940 +1940 @@
                 AssertStmt(idxSched < RT_ELEMENTS(pStreamShared->State.aSchedule), idxSched = 0);
             }
+            pStreamShared->State.idxSchedule = idxSched;
             idxLoop = 0;
         }
         pStreamShared->State.idxScheduleLoop = (uint16_t)idxLoop;
 
-        /* Do the arcual timer arming. */
+        /* Do the actual timer re-arming. */
         uint64_t const tsNow = PDMDevHlpTimerGet(pDevIns, pStreamShared->hTimer); /* (For virtual sync this remains the same for the whole callout IIRC) */
         uint64_t const tsTransferNext = tsNow + pStreamShared->State.aSchedule[idxSched].cPeriodTicks;