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* [edk2-devel] [PATCH] MdeModulePkg/Xhci: Skip another size round up for TRB address translation
@ 2024-02-22 21:48 Dat Mach via groups.io
  2024-03-05  0:34 ` [edk2-devel] 回复: " gaoliming via groups.io
  0 siblings, 1 reply; 6+ messages in thread
From: Dat Mach via groups.io @ 2024-02-22 21:48 UTC (permalink / raw)
  To: devel; +Cc: Dat Mach

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4560

Commit f36e1ec1f0a5fd3be84913e09181d7813444b620 had fixed the DXE_ASSERT
caused by the TRB size round up from 16 to 64 for most cases.

However, there is a remaining case that the TRB size is also rounded up
during setting TR dequeue pointer that would trigger DXE_ASSERT.

This patch sets the alignment flag to FALSE in XhcSetTrDequeuePointer
to fix this issue as well.

Signed-off-by: Dat Mach <dmach@nvidia.com>
---
 MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c | 2 +-
 MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
index 05528a478b..5d735008ba 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
@@ -3539,7 +3539,7 @@ XhcSetTrDequeuePointer (
   // Send stop endpoint command to transit Endpoint from running to stop state
   //
   ZeroMem (&CmdSetTRDeq, sizeof (CmdSetTRDeq));
-  PhyAddr              = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER), TRUE);
+  PhyAddr              = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER), FALSE);
   CmdSetTRDeq.PtrLo    = XHC_LOW_32BIT (PhyAddr) | Urb->Ring->RingPCS;
   CmdSetTRDeq.PtrHi    = XHC_HIGH_32BIT (PhyAddr);
   CmdSetTRDeq.CycleBit = 1;
diff --git a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
index 53272f62dd..c956e45907 100644
--- a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
+++ b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
@@ -2526,7 +2526,7 @@ XhcPeiSetTrDequeuePointer (
   // Send stop endpoint command to transit Endpoint from running to stop state
   //
   ZeroMem (&CmdSetTRDeq, sizeof (CmdSetTRDeq));
-  PhyAddr              = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER), TRUE);
+  PhyAddr              = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER), FALSE);
   CmdSetTRDeq.PtrLo    = XHC_LOW_32BIT (PhyAddr) | Urb->Ring->RingPCS;
   CmdSetTRDeq.PtrHi    = XHC_HIGH_32BIT (PhyAddr);
   CmdSetTRDeq.CycleBit = 1;
-- 
2.44.0.rc2



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^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2024-03-11 16:17 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-02-22 21:48 [edk2-devel] [PATCH] MdeModulePkg/Xhci: Skip another size round up for TRB address translation Dat Mach via groups.io
2024-03-05  0:34 ` [edk2-devel] 回复: " gaoliming via groups.io
2024-03-09  1:11   ` [edk2-devel] " Dat Mach via groups.io
2024-03-11  3:26     ` Wu, Hao A
2024-03-11  4:45       ` Gao
2024-03-11 16:17         ` Dat Mach via groups.io

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