https://bugzilla.redhat.com/show_bug.cgi?id=1851845 v5 device requires explicit reset to switch to VGA mode. Signed-off-by: Yuri Benditovich <yuri.benditovich@xxxxxxxxxx> --- qxldod/QxlDod.cpp | 4 +++- qxldod/QxlDod.h | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp index 7f03ee1..341518e 100755 --- a/qxldod/QxlDod.cpp +++ b/qxldod/QxlDod.cpp @@ -134,6 +134,7 @@ NTSTATUS QxlDod::CheckHardware() Header.DeviceID == 0x0100 && Header.RevisionID >= 4) { + m_Revision = Header.RevisionID; Status = STATUS_SUCCESS; } @@ -4795,7 +4796,8 @@ NTSTATUS QxlDevice::HWClose(void) { PAGED_CODE(); QxlClose(); - if (m_bUefiMode) + /* QXL device rev 5+ requires explicit reset to switch to VGA mode */ + if (m_bUefiMode || m_pQxlDod->Revision() > 4) { DbgPrint(TRACE_LEVEL_INFORMATION, ("%s: Resetting the device\n", __FUNCTION__)); WRITE_PORT_UCHAR((PUCHAR)(m_IoBase + QXL_IO_RESET), 0); diff --git a/qxldod/QxlDod.h b/qxldod/QxlDod.h index 016b1aa..24cbd39 100755 --- a/qxldod/QxlDod.h +++ b/qxldod/QxlDod.h @@ -720,6 +720,7 @@ private: KTIMER m_VsyncTimer; KDPC m_VsyncTimerDpc; BOOLEAN m_bVsyncEnabled; + UCHAR m_Revision = 0; LONG m_VsyncFiredCounter; public: QxlDod(_In_ DEVICE_OBJECT* pPhysicalDeviceObject); @@ -819,6 +820,7 @@ public: return m_DxgkInterface.DxgkCbAcquirePostDisplayOwnership(m_DxgkInterface.DeviceHandle, &DispInfo); } VOID EnableVsync(BOOLEAN bEnable); + UCHAR Revision() const { return m_Revision; } private: VOID CleanUp(VOID); NTSTATUS CheckHardware(); -- 2.22.0.windows.1 _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/spice-devel