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add support for pagepool on rx, and remove the legacy path
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-4-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Under stress test scenarios, hibmcge driver may not receive packets
in a timely manner, which can lead to the buffer of the hardware queue
being exhausted, resulting in packet drop.
This patch doubles the software queue depth and uses half of the buffer
to fill the hardware queue before receiving packets, thus preventing
packet loss caused by the hardware queue buffer being exhausted.
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-3-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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add support for tracepoint to dump some fields of rx_desc
Signed-off-by: Tao Lan <lantao5@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-2-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When using the SGMII PCS as a fixed-link chip-to-chip connection, it is
easy to miss the fact that traffic passes only at 1G, since that's what
any normal such connection would use.
When using the SGMII PCS connected towards an on-board PHY or an SFP
module, it is immediately noticeable that when the link resolves to a
speed other than 1G, traffic from the MAC fails to pass: TX counters
increase, but nothing gets decoded by the other end, and no local RX
counters increase either.
Artificially lowering a fixed-link rate to speed = <100> makes us able
to see the same issue as in the case of having an SGMII PHY.
Some debugging shows that the XPCS configuration is A-OK, but that the
MAC Configuration Table entry for the port has the SPEED bits still set
to 1000Mbps, due to a special condition in the driver. Deleting that
condition, and letting the resolved link speed be programmed directly
into the MAC speed field, results in a functional link at all 3 speeds.
This piece of evidence, based on testing on both generations with SGMII
support (SJA1105S and SJA1110A) directly contradicts the statement from
the blamed commit that "the MAC is fixed at 1 Gbps and we need to
configure the PCS only (if even that)". Worse, that statement is not
backed by any documentation, and no one from NXP knows what it might
refer to.
I am unable to recall sufficient context regarding my testing from March
2020 to understand what led me to draw such a braindead and factually
incorrect conclusion. Yet, there is nothing of value regarding forcing
the MAC speed, either for SGMII or 2500Base-X (introduced at a later
stage), so remove all such logic.
Fixes: ffe10e679cec ("net: dsa: sja1105: Add support for the SGMII port")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122111324.136761-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The FMan driver has support for 2 MACs: mEMAC (newer, present on
Layerscape and PowerPC T series) and dTSEC/TGEC (older, present on
PowerPC P series). I only have handy access to the mEMAC, and this adds
support for MAC counters for those platforms.
MAC counters are necessary for any kind of low-level debugging, and
currently there is no mechanism to dump them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122115931.151719-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The DPAA phylink conversion in the following commits partially developed
code for handling the 2500base-x host interface mode (called "2.5G
SGMII" in LS1043A/LS1046A reference manuals).
- 0fc83bd79589 ("net: fman: memac: Add serdes support")
- 5d93cfcf7360 ("net: dpaa: Convert to phylink")
In principle, having phy-interface-mode = "2500base-x" and a pcsphy-handle
(unnamed or with pcs-handle-names = "sgmii") in the MAC device tree node
results in PHY_INTERFACE_MODE_2500BASEX being set in phylink_config ::
supported_interfaces, but this isn't sufficient.
Because memac_select_pcs() returns no PCS for PHY_INTERFACE_MODE_2500BASEX,
the Lynx PCS code never engages. There's a chance the PCS driver doesn't
have any configuration to change for 2500base-x fixed-link (based on
bootloader pre-initialization), but there's an even higher chance that
this is not the case, and the PCS remains misconfigured.
More importantly, memac_if_mode() does not handle
PHY_INTERFACE_MODE_2500BASEX, and it should be telling the mEMAC to
configure itself in GMII mode (which is upclocked by the PCS). Currently
it prints a WARN_ON() and returns zero, aka IF_MODE_10G (incorrect).
The additional case statement in memac_prepare() for calling
phy_set_mode_ext() does not make any difference, because there is no
generic PHY driver for the Lynx 10G SerDes from LS1043A/LS1046A. But we
add it nonetheless, for consistency.
Regarding the question "did 2500base-x ever work with the FMan mEMAC
mainline code prior to the phylink conversion?" - the answer is more
nuanced.
For context, the previous phylib-based implementation was unable to
describe the fixed-link speed as 2500, because the software PHY
implementation is limited to 1G. However, improperly describing the link
as an sgmii fixed-link with speed = <1000> would have resulted in a
functional 2.5G speed, because there is no other difference than the
SerDes lane clock net frequency (3.125 GHz for 2500base-x) - all the
other higher-level settings are the same, and the SerDes lane frequency
is currently handled by the RCW.
But this hack cannot be extended towards a phylib PHY such as Aquantia
operating in OCSGMII, because the latter requires phy-mode = "2500base-x",
which the mEMAC driver did not support prior to the phylink conversion.
So I do not really consider this a regression, just completing support
for a missing feature.
The FMan mEMAC driver sets phylink's "default_an_inband" property to
true, making it as if the device tree node had the managed =
"in-band-status" property anyway. This default made sense for SGMII,
where it was added to avoid regressions, but for 2500base-x we learned
only recently how to enable in-band autoneg:
https://lore.kernel.org/netdev/20251122113433.141930-1-vladimir.oltean@nxp.com/
so the driver needs to opt out of this default in-band enabled
behaviour, and only enable in-band based on the device tree property.
Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Link: https://lore.kernel.org/netdev/aIyx0OLWGw5zKarX@shell.armlinux.org.uk/#t
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122115523.150260-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Implement the inband_caps() and config_inband() PHY driver methods, to
allow working with PCS devices that do not support or want in-band to be
used.
There is a complication due to existing logic from commit c76acfb7e19d
("net: phy: dp83867: retrigger SGMII AN when link change") which might
re-enable what dp83867_config_inband() has disabled. So we need to
modify dp83867_link_change_notify() to use phy_modify_changed() when
temporarily disabling in-band autoneg. If the return code is 0, it means
the original in-band was disabled and we need to keep it disabled.
If the return code is 1, the original was enabled and we need to
re-enable it. If negative, there was an error, which was silent before,
and remains silent now.
dp83867_config_inband() and dp83867_link_change_notify() are serialized
by the phydev->lock.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122110427.133035-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Starting with commit 69a8b62a7aa1 ("riscv: acpi: avoid errors caused by
probing DT devices when ACPI is used"), riscv images no longer populate
devicetree if ACPI is enabled. This causes unit tests to fail which require
the root node to be set.
# Subtest: of_dtb
# module: of_test
1..2
# of_dtb_root_node_found_by_path: EXPECTATION FAILED at drivers/of/of_test.c:21
Expected np is not null, but is
# of_dtb_root_node_found_by_path: pass:0 fail:1 skip:0 total:1
not ok 1 of_dtb_root_node_found_by_path
# of_dtb_root_node_populates_of_root: EXPECTATION FAILED at drivers/of/of_test.c:31
Expected of_root is not null, but is
# of_dtb_root_node_populates_of_root: pass:0 fail:1 skip:0 total:1
not ok 2 of_dtb_root_node_populates_of_root
Skip those tests for RISCV if the root node is not populated.
Fixes: 69a8b62a7aa1 ("riscv: acpi: avoid errors caused by probing DT devices when ACPI is used")
Cc: Han Gao <rabenda.cn@gmail.com>
Cc: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Paul Walmsley <pjw@kernel.org> # arch/riscv
Link: https://patch.msgid.link/20251023160415.705294-1-linux@roeck-us.net
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-11-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-10-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-9-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-8-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-7-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-6-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-5-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Acked-by: Chen-Yu Tsai <wens@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-4-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-3-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with two new helpers: of_machine_get_match_data() and
of_machine_device_match().
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-2-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Several drivers duplicate same code for getting reference to the root
node, matching it against 'struct of_device_id' table and getting out
the match data from the table entry.
There is a of_machine_compatible_match() wrapper but it takes array of
strings, which is not suitable for many drivers since they want the
driver data associated with each compatible.
Add two wrappers, similar to existing of_device_get_match_data():
1. of_machine_device_match() doing only matching against 'struct
of_device_id' and returning bool.
2. of_machine_get_match_data() doing the matching and returning
associated driver data for found compatible.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-1-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns fm10k with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-8-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns ixgbevf with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-7-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns igc with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-6-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns igb with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-5-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns idpf with the new
ethtool API for querying RX ring parameters.
I was not totally convinced I needed to have the lock, but, I decided to
be on the safe side and get the exact same behaviour it was before.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-4-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns ice with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-3-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns iavf with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-2-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns i40e with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-1-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert STMMAC PCI glue driver to use the generic platform
suspend/resume routines for PCI controllers, instead of implementing its
own one.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-4-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert glue driver for Loongson DWMAC controller to use the generic
platform suspend/resume routines for PCI controllers, instead of
implementing its own one.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-3-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Most glue driver for PCI-based DWMAC controllers utilize similar
platform suspend/resume routines. Add a generic implementation to reduce
duplicated code.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-2-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Correct it since M.2 device T99W640 has updated from T99W515.
We need to align it with MHI side otherwise this modem can't
get the network.
Fixes: ae5a34264354 ("bus: mhi: host: pci_generic: Fix the modem name of Foxconn T99W640")
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20251125070900.33324-1-slark_xiao@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver partially stores HW timestamping configuration, but missing
pieces can be read from HW. Add callback to report configuration.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-8-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores HW timestamping configuration and can technically
report it. Add callback to do it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-7-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores HW configuration and can technically report it.
Add callback to do it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-6-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores configuration of TX timestamping and can technically
report it. Patch RX timestamp configuration storage to be more precise
on reporting and add callback to actually report it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-5-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores configuration information and can technically report
it. Implement hwtstamp_get callback to report the configuration.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251124181151.277256-4-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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PHY devices had lack of hwtstamp_get callback even though most of them
are tracking configuration info. Introduce new call back to
mii_timestamper.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-3-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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PHY devices has hwtstamp callback which actually performs set operation.
Rename it to better reflect the action.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-2-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge series from Johan Hovold <johan@kernel.org>:
This series fixes device and OF node reference leaks during probe and
a clock prepare imbalance on probe failures.
Included is a related cleanup of an error path.
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When discarding descriptors with IN_ORDER, we should rewind
next_avail_head otherwise it would run out of sync with
last_avail_idx. This would cause driver to report
"id X is not a head".
Fixing this by returning the number of descriptors that is used for
each buffer via vhost_get_vq_desc_n() so caller can use the value
while discarding descriptors.
Fixes: 67a873df0c41 ("vhost: basic in order support")
Cc: stable@vger.kernel.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://patch.msgid.link/20251120022950.10117-1-jasowang@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patchset enables support for the Gamma 2.2.
With this patch the following IGT subtests pass:
kms_colorop --run plane-XR30-XR30-gamma_2_2
kms_colorop --run plane-XR30-XR30-gamma_2_2_inv-gamma_2_2
kms_colorop --run plane-XR30-XR30-gamma_2_2_inv-gamma_2_2-gamma_2_2_inv
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-52-alex.hung@amd.com
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Add "DRM_COLOROP_1D_CURVE_GAMMA22" and DRM_COLOROP_1D_CURVE_GAMMA22_INV
subtypes to drm_colorop of DRM_COLOROP_1D_CURVE.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-51-alex.hung@amd.com
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The degamma is to be handled by Color pipeline API.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-50-alex.hung@amd.com
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Check dpp.hw_3d_lut before creating shaper tf/lut and 3dlut colorops in
colorpipeline and handling these colorops.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-49-alex.hung@amd.com
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Add kernel doc for AMD color pipeline.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-48-alex.hung@amd.com
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This adds support for a 3D LUT.
The color pipeline now consists of the following colorops:
1. 1D curve colorop
2. Multiplier
3. 3x4 CTM
4. 1D curve colorop
5. 1D LUT
6. 3D LUT
7. 1D curve colorop
8. 1D LUT
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-47-alex.hung@amd.com
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It is to be used to enable HDR by allowing userpace to create and pass
3D LUTs to kernel and hardware.
new drm_colorop_type: DRM_COLOROP_3D_LUT.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-46-alex.hung@amd.com
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Not all HW will be able to do bypass on all color
operations. Introduce an 32 bits 'flags' for all colorop
init functions and DRM_COLOROP_FLAG_ALLOW_BYPASS for creating
the BYPASS property when it's true.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-45-alex.hung@amd.com
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We want to make sure userspace is aware of the 1D LUT
interpolation. While linear interpolation is common it
might not be supported on all HW. Give driver implementers
a way to specify their interpolation.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-44-alex.hung@amd.com
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Swap the order of matrix and multiplier as designed in hardware.
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-43-alex.hung@amd.com
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