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2d5ee43dc6
Manually rebased generic/pending-5.4/680-NET-skip-GRO-for-foreign-MAC-addresses.patch All others updated automatically. Compile-tested on: ramips/mt7621, armvirt/32 Runtime-tested on: ramips/mt7621, armvirt/32 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
64 lines
2.8 KiB
Diff
64 lines
2.8 KiB
Diff
From 487203abdef24b7d3cdd110f1b1e699fd22aa02c Mon Sep 17 00:00:00 2001
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From: Jacopo Mondi <jacopo+renesas@jmondi.org>
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Date: Tue, 16 Jun 2020 16:12:36 +0200
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Subject: [PATCH]_mbus_config
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pad ops
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Upstream https://patchwork.linuxtv.org/patch/64669/
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Introduce two new pad operations to allow retrieving and configuring the
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media bus parameters on a subdevice pad.
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The newly introduced operations aims to replace the s/g_mbus_config video
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operations, which have been on their way for deprecation since a long
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time.
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Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
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---
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include/media/v4l2-subdev.h | 27 +++++++++++++++++++++++++++
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1 file changed, 27 insertions(+)
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--- a/include/media/v4l2-subdev.h
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+++ b/include/media/v4l2-subdev.h
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@@ -674,6 +674,29 @@ struct v4l2_subdev_pad_config {
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*
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* @set_frame_desc: set the low level media bus frame parameters, @fd array
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* may be adjusted by the subdev driver to device capabilities.
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+ *
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+ * @get_mbus_config: get the media bus configuration of a remote sub-device.
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+ * The media bus configuration is usually retrieved from the
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+ * firmware interface at sub-device probe time, immediately
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+ * applied to the hardware and eventually adjusted by the
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+ * driver. Remote sub-devices (usually video receivers) shall
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+ * use this operation to query the transmitting end bus
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+ * configuration in order to adjust their own one accordingly.
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+ * Callers should make sure they get the most up-to-date as
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+ * possible configuration from the remote end, likely calling
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+ * this operation as close as possible to stream on time. The
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+ * operation shall fail if the pad index it has been called on
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+ * is not valid.
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+ *
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+ * @set_mbus_config: set the media bus configuration of a remote sub-device.
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+ * This operations is intended to allow, in combination with
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+ * the get_mbus_config operation, the negotiation of media bus
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+ * configuration parameters between media sub-devices. The
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+ * operation shall not fail if the requested configuration is
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+ * not supported, but the driver shall update the content of
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+ * the %config argument to reflect what has been actually
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+ * applied to the hardware. The operation shall fail if the
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+ * pad index it has been called on is not valid.
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*/
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struct v4l2_subdev_pad_ops {
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int (*init_cfg)(struct v4l2_subdev *sd,
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@@ -714,6 +737,10 @@ struct v4l2_subdev_pad_ops {
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struct v4l2_mbus_frame_desc *fd);
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int (*set_frame_desc)(struct v4l2_subdev *sd, unsigned int pad,
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struct v4l2_mbus_frame_desc *fd);
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+ int (*get_mbus_config)(struct v4l2_subdev *sd, unsigned int pad,
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+ struct v4l2_mbus_config *config);
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+ int (*set_mbus_config)(struct v4l2_subdev *sd, unsigned int pad,
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+ struct v4l2_mbus_config *config);
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};
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/**
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