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2022-08-29drm/bridge: tc358767: Handle bridge past DPI outputMarek Vasut1-7/+8
Currently the driver only handles panel directly connected to the DPI output. Handle the case where a bridge is connected past DPI output of this bridge. This could be e.g. DPI to LVDS encoder chip. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220724224317.288727-1-marex@denx.de
2022-08-29drm/bridge: anx7625: Support HDMI_I2S audio formatXin Ji1-6/+17
1. Support HDMI_I2S audio format. 2. Return 0 if there is no sink connection in .hw_param callback. Signed-off-by: Xin Ji <xji@analogixsemi.com> Acked-by: Hsin-Yi Wang <hsinyi@chromium.org> Acked-by: Jiaxin Yu<jiaxin.yu@mediatek.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220726033058.403715-1-xji@analogixsemi.com
2022-08-26drm: bridge: icn6211: Add support for external REFCLKMarek Vasut1-5/+34
The ICN6211 is capable of deriving its internal PLL clock from either MIPI DSI HS clock, external REFCLK clock, or even internal oscillator. Currently supported is only the first option. Add support for external REFCLK clock input in addition to that. There is little difference between these options, except that in case of MIPI DSI HS clock input, the HS clock are pre-divided by a fixed /4 divider before being fed to the PLL input, while in case of external REFCLK, the RECLK clock are fed directly into the PLL input. Per exceptionally poor documentation, the REFCLK must be in range of 10..154 MHz. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220801131747.183041-2-marex@denx.de
2022-08-26drm: bridge: icn6211: Add and use hs_rate and lp_rateMarek Vasut1-3/+4
Fill in hs_rate and lp_rate to struct mipi_dsi_device for this bridge and adjust DSI input frequency calculations such that they expect the DSI host to configure HS clock according to hs_rate. This is an optimization for the DSI burst mode case. In case the DSI device supports DSI burst mode, it is recommended to operate the DSI interface at the highest possible HS clock frequency which the DSI device supports. This permits the DSI host to send as short as possible bursts of data on the DSI link and keep the DSI data lanes in LP mode otherwise, which reduces power consumption. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220801131555.182969-1-marex@denx.de
2022-08-18Merge tag 'drm-misc-fixes-2022-08-16' of ↵Dave Airlie1-1/+1
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes One patch for imx/dcss to get rid of a warning message, one off-by-one fix and GA103 support for nouveau, a refcounting fix for meson, a NULL pointer dereference fix for ttm, a error check fix for lvds-codec, a dt-binding schema fix and an underflow fix for sun4i Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220816094401.wtadc7ddr6lzq6aj@houat
2022-08-17Merge drm/drm-fixes into drm-misc-fixesThomas Zimmermann43-381/+3974
Backmerging for v6.0-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2022-08-16i2c: Make remove callback return voidUwe Kleine-König24-74/+25
The value returned by an i2c driver's remove function is mostly ignored. (Only an error message is printed if the value is non-zero that the error is ignored.) So change the prototype of the remove function to return no value. This way driver authors are not tempted to assume that passing an error to the upper layer is a good idea. All drivers are adapted accordingly. There is no intended change of behaviour, all callbacks were prepared to return 0 before. Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Crt Mori <cmo@melexis.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013 Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/* Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5 Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860 Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power Acked-by: Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-11drm/bridge: tc358767: disable main link PHYs on main link disableLucas Stach1-1/+7
Disable the main link PHYs and put them into reset when the main link is disabled. When the PHYs stay enabled while the rest of the DP link circuits are disabled there is some noise on the data lanes, which some displays try to lock onto, waking them up from their low power state. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Marek Vasut <marex@denx.de> Tested-by: Marek Vasut <marex@denx.de> Signed-off-by: Marek Vasut <marex@denx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220706132812.2171250-3-l.stach@pengutronix.de
2022-08-11drm/bridge: tc358767: increase CLRSIPO countLucas Stach1-4/+4
The current CLRSIPO count is marginal and does not work with high DSI clock rates. Increase it a bit to allow the DSI link to work at up to 1Gbps lane speed. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Marek Vasut <marex@denx.de> Tested-by: Marek Vasut <marex@denx.de> Signed-off-by: Marek Vasut <marex@denx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220706132812.2171250-2-l.stach@pengutronix.de
2022-08-11drm/bridge: tc358767: don't fixup mode sync polarityLucas Stach1-36/+18
There is no need to enforce a specific sync signal polarity on the DPI interface, as we can simply tell the TC358767 which polarities it should expect on the input interface. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Reviewed-by: Marek Vasut <marex@denx.de> Tested-by: Marek Vasut <marex@denx.de> Signed-off-by: Marek Vasut <marex@denx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220706132812.2171250-1-l.stach@pengutronix.de
2022-08-11drm/bridge: lvds-codec: Fix error checking of drm_of_lvds_get_data_mapping()Marek Vasut1-1/+1
The drm_of_lvds_get_data_mapping() returns either negative value on error or MEDIA_BUS_FMT_* otherwise. The check for 'ret' would also catch the positive case of MEDIA_BUS_FMT_* and lead to probe failure every time 'data-mapping' DT property is specified. Fixes: 7c4dd0a266527 ("drm: of: Add drm_of_lvds_get_data_mapping") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Sam Ravnborg <sam@ravnborg.org> To: dri-devel@lists.freedesktop.org Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220801125419.167562-1-marex@denx.de
2022-08-08gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()Zeng Jingxiang1-1/+2
A NULL check for bridge->encoder shows that it may be NULL, but it already been dereferenced on all paths leading to the check. 812 if (!bridge->encoder) { Dereference the pointer bridge->encoder. 810 drm_connector_attach_encoder(&lt9611->connector, bridge->encoder); Signed-off-by: Zeng Jingxiang <linuszeng@tencent.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220727073119.1578972-1-zengjx95@gmail.com
2022-08-06Merge tag 'sound-6.0-rc1' of ↵Linus Torvalds2-3/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound updates from Takashi Iwai: "As the diffstat shows, we've had lots of developments in a wide range at this time; the majority of changes are about ASoC, including subsystem-wide cleanups, continued SOF / Intel updates and a bunch of new drivers (as usual), while there have been some significant (but almost invisible) improvements in ALSA core side, too. Below are some highlights: Core: - Faster lookups of control elements with Xarray; normal user won't notice, but on the devices with tons of control elements, it can be visibly faster - Support for input validation for controls; this will harden for badly written drivers in general with a slight overhead - Deferred async signal handling for working around the potential deadlocks - Cleanup / refactoring raw MIDI locking code ASoC: - Restructing of the set_fmt() callbacks for making things clearer in situations like CODEC to CODEC links - Clean up and modernizing the DAI naming scheme setups - Merge of more of the Intel AVS driver stack, including some board integrations - New version 4 mechanism for communication with SOF DSPs - Suppoort for dynamically selecting the PLL to use at runtime on i.MX platforms - Improvements for CODEC to CODEC support in the generic cards - Support for AMD Jadeite and various machines, AMD RPL, Intel MetorLake DSPs, Mediatek MT8186 DSPs and MT6366, nVidia Tegra MDDRC, OPE and PEQ, NXP TFA9890, Qualcomm SDM845, WCD9335 and WAS883x, and Texas Instruments TAS2780 HD- and USB-audio: - Continued improvement for CS35L41 (sub)codec support - More quirks for various devices (HP, Lenovo, Dell, Clevo)" * tag 'sound-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (778 commits) ALSA: hda/realtek: Add quirk for HP Spectre x360 15-eb0xxx ALSA: line6: Replace sprintf() with sysfs_emit() ALSA: hda: Replace sprintf() with sysfs_emit() ALSA: pcm: Replace sprintf() with sysfs_emit() ALSA: core: Replace scnprintf() with sysfs_emit() ALSA: control-led: Replace sprintf() with sysfs_emit() ALSA: aoa: Replace sprintf() with sysfs_emit() ALSA: ac97: Replace sprintf() with sysfs_emit() ALSA: hda/realtek: Add quirk for Clevo NV45PZ ALSA: hda/realtek: Add quirk for Lenovo Yoga9 14IAP7 ALSA: control: Use deferred fasync helper ALSA: pcm: Use deferred fasync helper ALSA: timer: Use deferred fasync helper ALSA: core: Add async signal helpers ASoC: q6asm: use kcalloc() instead of kzalloc() ACPI: scan: Add CLSA0101 Laptop Support ALSA: hda: cs35l41: Support CLSA0101 ALSA: hda: cs35l41: Use the CS35L41 HDA internal define ASoC: dt-bindings: use spi-peripheral-props.yaml ASoC: codecs: va-macro: use fsgen as clock ...
2022-07-23drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the logJavier Martinez Canillas1-4/+3
If devm_drm_of_get_bridge() can't find the connected bridge, it returns an ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred. But this path also prints an error message, which pollutes the kernel log since is printed on every probe deferral, i.e: $ dmesg | grep "failed to create panel bridge" | wc -l 38 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220722074755.660258-1-javierm@redhat.com
2022-07-21drm/bridge: parade-ps8640: Fix regulator supply orderChen-Yu Tsai1-2/+2
The datasheet says that VDD12 must be enabled and at full voltage before VDD33 is enabled. Reorder the bulk regulator supply names so that VDD12 is enabled before VDD33. Any enable ramp delays should be handled by setting proper constraints on the regulators. Fixes: bc1aee7fc8f0 ("drm/bridge: Add I2C based driver for ps8640 bridge") Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220721092258.3397461-1-wenst@chromium.org
2022-07-19drm/bridge: ti-sn65dsi86: support DRM_BRIDGE_ATTACH_NO_CONNECTORDmitry Baryshkov1-10/+8
Now as the driver does not depend on pdata->connector, add support for attaching the bridge with DRM_BRIDGE_ATTACH_NO_CONNECTOR. Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Steev Klimaszewski <steev@kali.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220711092117.360797-3-dmitry.baryshkov@linaro.org
2022-07-19drm/bridge: ti-sn65dsi86: fetch bpc using drm_atomic_stateDmitry Baryshkov1-6/+16
Rather than reading the pdata->connector directly, fetch the connector using drm_atomic_state. This allows us to make pdata->connector optional (and thus supporting DRM_BRIDGE_ATTACH_NO_CONNECTOR). Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Steev Klimaszewski <steev@kali.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220711092117.360797-2-dmitry.baryshkov@linaro.org
2022-07-19drm/bridge: tc358767: Add of_node_put() when breaking out of loopLiang He1-2/+3
In tc_probe_bridge_endpoint(), we should call of_node_put() when breaking out of the for_each_endpoint_of_node() which will automatically increase and decrease the refcount. Fixes: 71f7d9c03118 ("drm/bridge: tc358767: Detect bridge mode from connected endpoints in DT") Signed-off-by: Liang He <windhl@126.com> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220719065447.1080817-2-windhl@126.com
2022-07-19drm/bridge: anx7625: Fix refcount bug in anx7625_parse_dt()Liang He1-0/+1
In anx7625_parse_dt(), 'pdata->mipi_host_node' will be assigned a new reference with of_graph_get_remote_node() which will increase the refcount of the object, correspondingly, we should call of_node_put() for the old reference stored in the 'pdata->mipi_host_node'. Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP") Signed-off-by: Liang He <windhl@126.com> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220719065447.1080817-1-windhl@126.com
2022-07-18drm/bridge: it6505: Modified video clock calculation and video debug messageallen chen1-4/+2
Speed up video clock calculation and remove redundant video debug message. Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Signed-off-by: Allen Chen <allen.chen@ite.com.tw> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220715024910.12578-4-allen.chen@ite.com.tw
2022-07-18drm/bridge: it6505: Add i2c api power on checkallen chen1-2/+10
Use i2c bus to read/write when it6505 power off will occur i2c error. Add this check will prevent i2c error when it6505 power off. Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Signed-off-by: Allen Chen <allen.chen@ite.com.tw> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220715024910.12578-3-allen.chen@ite.com.tw
2022-07-18drm/bridge: it6505: Modified power sequenceallen chen1-1/+1
Change power sequence to meet it6505 data sheet requirement when boot on. Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Signed-off-by: Allen Chen <allen.chen@ite.com.tw> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220715024910.12578-2-allen.chen@ite.com.tw
2022-07-18drm/bridge: it6505: Power on downstream device in .atomic_enablePin-Yen Lin1-0/+3
Send DPCD DP_SET_POWER_D0 command to the monitor in .atomic_enable callback. Without this command, some monitors won't show up again after changing the resolution. Fixes: 46ca7da7f1e8 ("drm/bridge: it6505: Send DPCD SET_POWER to downstream") Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Reviewed-by: Allen Chen <allen.chen@ite.com.tw> Fixes: 46ca7da7f1e8 ("drm/bridge: it6505: Send DPCD SET_POWER to downstream") Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220714173715.v2.1.I85af54e9ceda74ec69f661852825845f983fc343@changeid
2022-07-15Merge tag 'asoc-v5.20' of ↵Takashi Iwai2-3/+4
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next ASoC: Updates for v5.20 This is a big release thus far and there will probably be more changes to come, it's a combination of a larger than usual crop of new drivers and some subsysetm wide cleanups from Charles rather than anything structural. The SOF and Intel DSP code both also continue to be very actively developed. - Restructing of the set_fmt() callbacks to be specified in terms of the device rather than with semantics depending on if the device is supposed to be a CODEC or SoC, making things clearer in situations like CODEC to CODEC links. - Clean up of the way we flag which DAI naming scheme we use to reflect the progress that's been made modernising things. - Merge of more of the Intel AVS driver stack, including some board integrations. - New version 4 mechanism for communication with SOF DSPs. - Suppoort for dynamically selecting the PLL to use at runtime on i.MX platforms. - Improvements for CODEC to CODEC support in the generic cards. - Support for AMD Jadeite and various machines, Intel MetorLake DSPs, Mediatek MT8186 DSPs and MT6366, nVidia Tegra MDDRC, OPE and PEQ, NXP TFA9890, Qualcomm SDM845, WCD9335 and WAS883x, and Texas Instruments TAS2780.
2022-07-13drm/bridge: panel: Introduce drmm_of_get_bridgeMaxime Ripard1-0/+35
Unlike what can be found for other DRM entities, we don't have a DRM-managed function equivalent to devm_drm_of_get_bridge(). Let's create it. Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20220711173939.1132294-12-maxime@cerno.tech
2022-07-13drm/bridge: panel: Introduce drmm_panel_bridge_addMaxime Ripard1-0/+39
Unlike what can be found for other entities, there's no DRM-managed function to create a panel_bridge instance from a panel. Let's introduce one. Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20220711173939.1132294-11-maxime@cerno.tech
2022-07-09drm/mipi-dsi: Make remove callback return voidUwe Kleine-König3-9/+3
All implementations return 0 and the return value of mipi_dsi_drv_remove() is ignored anyhow. So change the prototype of the remove function to return no value. This way driver authors are not tempted to assume that passing an error to the upper layer is a good idea. All drivers are adapted accordingly. There is no intended change of behaviour. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220708094922.1408248-4-u.kleine-koenig@pengutronix.de
2022-07-07drm: bridge: adv7511: unregister cec i2c device after cec adapterAlvin Šipraga1-3/+2
cec_unregister_adapter() assumes that the underlying adapter ops are callable. For example, if the CEC adapter currently has a valid physical address, then the unregistration procedure will invalidate the physical address by setting it to f.f.f.f. Whence the following kernel oops observed after removing the adv7511 module: Unable to handle kernel execution of user memory at virtual address 0000000000000000 Internal error: Oops: 86000004 [#1] PREEMPT_RT SMP Call trace: 0x0 adv7511_cec_adap_log_addr+0x1ac/0x1c8 [adv7511] cec_adap_unconfigure+0x44/0x90 [cec] __cec_s_phys_addr.part.0+0x68/0x230 [cec] __cec_s_phys_addr+0x40/0x50 [cec] cec_unregister_adapter+0xb4/0x118 [cec] adv7511_remove+0x60/0x90 [adv7511] i2c_device_remove+0x34/0xe0 device_release_driver_internal+0x114/0x1f0 driver_detach+0x54/0xe0 bus_remove_driver+0x60/0xd8 driver_unregister+0x34/0x60 i2c_del_driver+0x2c/0x68 adv7511_exit+0x1c/0x67c [adv7511] __arm64_sys_delete_module+0x154/0x288 invoke_syscall+0x48/0x100 el0_svc_common.constprop.0+0x48/0xe8 do_el0_svc+0x28/0x88 el0_svc+0x1c/0x50 el0t_64_sync_handler+0xa8/0xb0 el0t_64_sync+0x15c/0x160 Code: bad PC value ---[ end trace 0000000000000000 ]--- Protect against this scenario by unregistering i2c_cec after unregistering the CEC adapter. Duly disable the CEC clock afterwards too. Fixes: 3b1b975003e4 ("drm: adv7511/33: add HDMI CEC support") Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220612144854.2223873-3-alvin@pqrs.dk
2022-07-07drm: bridge: adv7511: fix CEC power down control register offsetAlvin Šipraga2-6/+3
The ADV7511_REG_CEC_CTRL = 0xE2 register is part of the main register map - not the CEC register map. As such, we shouldn't apply an offset to the register address. Doing so will cause us to address a bogus register for chips with a CEC register map offset (e.g. ADV7533). Fixes: 3b1b975003e4 ("drm: adv7511/33: add HDMI CEC support") Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220612144854.2223873-2-alvin@pqrs.dk
2022-07-06drm/bridge: ti-sn65dsi86: Use atomic variants of drm_bridge_funcsSam Ravnborg1-8/+15
Move away from the deprecated enable/disable operations in drm_bridge_funcs and enable atomic use. v3: - Drop use of DRM_BRIDGE_STATE_OPS v2: - fix build (kernel test robot <lkp@intel.com>) Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Kieran Bingham <kieran.bingham@ideasonboard.com> Cc: Douglas Anderson <dianders@chromium.org> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220703202724.9553-2-sam@ravnborg.org
2022-07-06drm/bridge: fsl-ldb: Enable split mode for LVDS dual linkLiu Ying1-1/+1
When LVDS dual link is used, we have to enable the LDB_CTRL_SPLIT_MODE bit. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-3-victor.liu@nxp.com Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-4-victor.liu@nxp.com
2022-07-06drm/bridge: fsl-ldb: Fix mode clock rate validationLiu Ying1-1/+1
With LVDS dual link, up to 160MHz mode clock rate is supported. With LVDS single link, up to 80MHz mode clock rate is supported. Fix mode clock rate validation by swapping the maximum mode clock rates of the two link modes. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-2-victor.liu@nxp.com
2022-07-06drm: bridge: ldb: Drop DE flip from Freescale i.MX8MP LDB bridgeMarek Vasut1-17/+0
The DE inversion is implemented in LCDIFv3 driver and is no longer needed in the LDB bridge which does not invert the DE signal. Drop the inversion. Fixes: 463db5c2ed4ae ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Peng Fan <peng.fan@nxp.com> Cc: Robby Cai <robby.cai@nxp.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> To: dri-devel@lists.freedesktop.org Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220630174031.92354-1-marex@denx.de
2022-07-06drm/bridge: anx7625: Add wait_hpd_asserted() callbackHsin-Yi Wang1-6/+27
Move hpd polling check into wait_hpd_asserted() callback. For the cases that aux transfer function wasn't used, do hpd polling check after pm runtime resume, which will power on the bridge. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Xin Ji <xji@analogixsemi.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220706125254.2474095-5-hsinyi@chromium.org
2022-07-06drm/bridge: anx7625: Fix NULL pointer crash when using edp-panelHsin-Yi Wang1-8/+9
Move devm_of_dp_aux_populate_ep_devices() after pm runtime and i2c setup to avoid NULL pointer crash. edp-panel probe (generic_edp_panel_probe) calls pm_runtime_get_sync() to read EDID. At this time, bridge should have pm runtime enabled and i2c clients ready. Fixes: adca62ec370c ("drm/bridge: anx7625: Support reading edid through aux channel") Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Xin Ji <xji@analogixsemi.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220706125254.2474095-4-hsinyi@chromium.org
2022-07-06drm/bridge: anx7625: use pm_runtime_force_suspend(resume)Hsin-Yi Wang1-31/+2
There's no need to check for IRQ or disable it in suspend. Use pm_runtime_force_suspend(resume) to make sure anx7625 is powered off correctly. Make the system suspend/resume and pm runtime suspend/resume more consistent. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Xin Ji <xji@analogixsemi.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220706125254.2474095-3-hsinyi@chromium.org
2022-07-06drm/bridge: anx7625: Convert to devm_i2c_new_dummy_device()Hsin-Yi Wang1-69/+27
Simplify the resource management. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Xin Ji <xji@analogixsemi.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220706125254.2474095-2-hsinyi@chromium.org
2022-07-05drm: Remove linux/i2c.h from drm_crtc.hVille Syrjälä5-0/+5
drm_crtc.h has no need for linux/i2c.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/i2c.h. Quite a few placs do currently depend on linux/i2c.h without actually including it directly. All of those need to be fixed up. v2: imx and mcde need linux/io.h for readl()/etc. Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-5-ville.syrjala@linux.intel.com
2022-07-05drm: Remove linux/media-bus-format.h from drm_crtc.hVille Syrjälä21-0/+21
drm_crtc.h has no need for linux/media-bus-format.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/media-bus-format.h. Quite a few placs do currently depend on linux/media-bus-format.h without actually including it directly. All of those need to be fixed up. v2: Deal with ingenic as well v3: Fix up mxsfb and remaining parts of imx Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-4-ville.syrjala@linux.intel.com
2022-07-05drm: Remove linux/fb.h from drm_crtc.hVille Syrjälä1-0/+1
drm_crtc.h has no need for linux/fb.h, so don't include it. Avoids useless rebuilds of the entire universe when touching linux/fb.h. Quite a few placs do currently depend on linux/fb.h or other headers pulled in by it without actually including any of it directly. All of those need to be fixed up. v2: Split the vmwgfx change out Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-3-ville.syrjala@linux.intel.com
2022-07-04drm: bridge: sii8620: fix possible off-by-oneHangyu Hua1-2/+2
The next call to sii8620_burst_get_tx_buf will result in off-by-one When ctx->burst.tx_count + size == ARRAY_SIZE(ctx->burst.tx_buf). The same thing happens in sii8620_burst_get_rx_buf. This patch also change tx_count and tx_buf to rx_count and rx_buf in sii8620_burst_get_rx_buf. It is unreasonable to check tx_buf's size and use rx_buf. Fixes: e19e9c692f81 ("drm/bridge/sii8620: add support for burst eMSC transmissions") Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220518065856.18936-1-hbh25y@gmail.com
2022-07-04drm/bridge: fsl-ldb: Drop DE signal polarity inversionLiu Ying1-17/+0
It's unnecessary to invert input data enable signal polarity according to the output one. Let's drop the inversion. Since ->atomic_check() does nothing more than the inversion, it can be dropped entirely as well. Without this patch, 'koe,tx26d202vm0bwa' LVDS panel connected with i.MX8MP EVK board does not show any data on screen. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-4-victor.liu@nxp.com
2022-07-04drm/bridge: fsl-ldb: Enable split mode for LVDS dual linkLiu Ying1-1/+1
When LVDS dual link is used, we have to enable the LDB_CTRL_SPLIT_MODE bit. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-3-victor.liu@nxp.com
2022-07-04drm/bridge: fsl-ldb: Fix mode clock rate validationLiu Ying1-1/+1
With LVDS dual link, up to 160MHz mode clock rate is supported. With LVDS single link, up to 80MHz mode clock rate is supported. Fix mode clock rate validation by swapping the maximum mode clock rates of the two link modes. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Cc: NXP Linux Team <linux-imx@nxp.com> Signed-off-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-2-victor.liu@nxp.com
2022-07-01drm/bridge: imx: i.MX8 bridge drivers should depend on ARCH_MXCGeert Uytterhoeven1-0/+4
The various Freescale i.MX8 display bridges are only present on Freescale i.MX8 SoCs. Hence add a dependency on ARCH_MXC, to prevent asking the user about these drivers when configuring a kernel without i.MX SoC support. Fixes: e60c4354840b2fe8 ("drm/bridge: imx: Add LDB support for i.MX8qm") Fixes: 3818715f62b42b5c ("drm/bridge: imx: Add LDB support for i.MX8qxp") Fixes: 96988a526c97cfbe ("drm/bridge: imx: Add i.MX8qxp pixel link to DPI support") Fixes: 1ec17c26bc06289d ("drm/bridge: imx: Add i.MX8qm/qxp display pixel link support") Fixes: 93e163a9e0392aca ("drm/bridge: imx: Add i.MX8qm/qxp pixel combiner support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Liu Ying <victor.liu@nxp.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/42c542b53a1c8027b23a045045fbb7b34479913d.1656072500.git.geert+renesas@glider.be
2022-06-29drm/bridge: tc358767: Do not cache dsi_lanes twiceMarek Vasut1-4/+2
The DSI lane count can be accessed via the dsi device pointer, make use of that. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220624181902.151959-1-marex@denx.de
2022-06-24drm: bridge: adv7511: Add check for mipi_dsi_driver_registerJiasheng Jiang1-3/+14
As mipi_dsi_driver_register could return error if fails, it should be better to check the return value and return error if fails. Moreover, if i2c_add_driver fails, mipi_dsi_driver_register should be reverted. Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220602103401.2980938-1-jiasheng@iscas.ac.cn
2022-06-24drm/bridge: parade-ps8622: Use backlight helperStephen Kitt1-5/+1
backlight_properties.fb_blank is deprecated. The states it represents are handled by other properties; but instead of accessing those properties directly, drivers should use the helpers provided by backlight.h. Instead of retrieving the backlight brightness in struct backlight_properties manually, and then checking whether the backlight should be on at all, use backlight_get_brightness() which does all this and insulates this from future changes. Signed-off-by: Stephen Kitt <steve@sk2.org> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220607181022.1119546-1-steve@sk2.org
2022-06-21drm/bridge: parade-ps8640: Provide wait_hpd_asserted() in struct drm_dp_auxDouglas Anderson1-13/+26
This implements the callback added by the patch ("drm/dp: Add wait_hpd_asserted() callback to struct drm_dp_aux"). With this change and all the two "DP AUX Endpoint" drivers changed to use wait_hpd_asserted(), we no longer need to have an long delay in the AUX transfer function. It's up to the panel code to make sure that the panel is powered now. If someone tried to call the aux transfer function without making sure the panel is powered we'll just get a normal transfer failure. We'll still keep the wait for HPD in the pre_enable() function. Though it's probably not actually needed there, this driver is used in the old mode (pre-DP AUX Endpoints) and it may be important for those cases. If nothing else, it shouldn't cause any big problems. NOTE: When handling the timeout for HPD we start the timer _after_ we've runtime resumed the device. This is definitely important for the panel on my homestar which comes up 170 ms after we start timing (the panel specifies 200 ms max). It's a little unclear how much of this extra time is due to some internal state machine in the parade firmware vs. debouncing but it seems to work for the two test cases I have to do it this way. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220614145327.v4.4.Ie827321ce263be52fdb8c1276f6f8cc00d78029f@changeid
2022-06-21drm: Config orientation property if panel provides itHsin-Yi Wang1-0/+34
Panel orientation property should be set before drm_dev_register(). Some drm driver calls drm_dev_register() in .bind(). However, most panels sets orientation property relatively late, mostly in .get_modes() callback, since this is when they are able to get the connector and binds the orientation property to it, though the value should be known when the panel is probed. In drm_bridge_connector_init(), if a bridge is a panel bridge, use it to set the connector's panel orientation property. Suggested-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> [dianders: fixed space vs. tab indentation] Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-9-hsinyi@chromium.org
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 14:08:54 +0000