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If a DiplayPort cable is directly connected to the host routers USB4
port, there is no tunnel involved but the port is in "redrive" mode
meaning that it is re-driving the DisplayPort signals from its
DisplayPort source. In this case we need to keep the domain powered on
otherwise once the domain enters D3cold the connected monitor blanks
too.
Since this happens only on Intel Barlow Ridge add a quirk that takes
runtime PM reference if we detect that the USB4 port entered redrive
mode (and release it once it exits the mode).
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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This is not needed when firmware connection manager is run so limit this
to software connection manager.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Intel Barlow Ridge discrete USB4 host router has the same limitation as
the previous generations so make sure the USB3 bandwidth limitation
quirk is applied to Barlow Ridge too.
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Add a debug log to this quirk as well so we can see what quirks have
been applied when debugging.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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This is useful when debugging whether a quirk has been matched or not.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Current Intel USB4 host routers have hardware limitation that the USB3
bandwidth cannot go higher than 16376 Mb/s. Work this around by adding a
new quirk that limits the bandwidth for the affected host routers.
Cc: stable@vger.kernel.org
Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Add QUIRK_NO_CLX to disable the CLx state for hardware which
doesn't supports it.
AMD Yellow Carp and Pink Sardine don't support CLx state,
hence disabling it using QUIRK_NO_CLX.
Cc: stable@vger.kernel.org
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
[mw: added debug log when the quirk is run]
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Intel Goshen Ridge reports wrong DP main credits in NVM 27 and earlier,
so add a quirk that fixes it. We also need to expand the quirk table to
match on hardware vendor/device IDs too.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Add new device known to support self-authenticate on disconnect.
Signed-off-by: Crag Wang <crag.wang@dell.com>
Reviewed-by: Mario Limonciello <mario.limonciello@outlook.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Remove extra white space and make the sentence end with a period.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Fix gcc build warning:
drivers/thunderbolt/quirks.c:21:1: warning:
'static' is not at beginning of declaration [-Wold-style-declaration]
21 | const static struct tb_quirk tb_quirks[] = {
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Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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Some external devices can support completing thunderbolt authentication
when they are unplugged. For this to work though, the link controller must
remain operational.
The only device known to support this right now is the Dell WD19TB, so add
a quirk for this.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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