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2023-10-11gpu: host1x: Syncpoint interrupt shardingMikko Perttunen
Support sharded syncpoint interrupts on Tegra234+. This feature allows specifying one of eight interrupt lines for each syncpoint to lower processing latency of syncpoint threshold interrupts. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230901114008.672433-1-cyndis@kapsi.fi
2023-10-11gpu: host1x: Enable system suspend callbacksMikko Perttunen
With the previous CDMA stop fix, executing runtime PM ops around system suspend now makes channel submissions work after system suspend, so do that. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230901111510.663401-3-cyndis@kapsi.fi
2023-10-11gpu: host1x: Stop CDMA before suspendingMikko Perttunen
Before going into suspend, wait all CDMA to go idle and stop it. This will ensure no channel is still active while we enter suspend, and ensures the driver doesn't think that CDMA is still active when coming back from suspend (as HW state has been reset). Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230901111510.663401-2-cyndis@kapsi.fi
2023-10-11gpu: host1x: Add locking in channel allocationMikko Perttunen
Add locking around channel allocation to avoid race conditions. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230901111510.663401-1-cyndis@kapsi.fi
2023-10-11drm/tegra: hub: Increase buffer size to ensure all possible values can be storedLee Jones
When converting from int to string, we must allow for up to 10-chars (2147483647). Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/tegra/hub.c: In function ‘tegra_display_hub_probe’: drivers/gpu/drm/tegra/hub.c:1106:47: warning: ‘%u’ directive output may be truncated writing between 1 and 10 bytes into a region of size 4 [-Wformat-truncation=] drivers/gpu/drm/tegra/hub.c:1106:42: note: directive argument in the range [0, 4294967294] drivers/gpu/drm/tegra/hub.c:1106:17: note: ‘snprintf’ output between 6 and 15 bytes into a destination of size 8 Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230824073710.2677348-16-lee@kernel.org
2023-10-11drm/tegra: Remove two unused function declarationsYue Haibing
Commit 776dc3840367 ("drm/tegra: Move subdevice infrastructure to host1x") removed the implementation but not the declaration. Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230809030226.3412-1-yuehaibing@huawei.com
2023-10-11drm/tegra: Remove surplus else after returnSui Jingfeng
else is not generally useful after return Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230626143331.640454-2-suijingfeng@loongson.cn
2023-10-11drm/bridge_connector: implement oob_hotplug_eventDmitry Baryshkov
Implement the oob_hotplug_event() callback. Translate it to the HPD notification sent to the HPD bridge in the chain. Reviewed-by: Janne Grunau <j@jannau.net> Link: https://lore.kernel.org/r/20231009174048.2695981-4-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-4-dmitry.baryshkov@linaro.org
2023-10-11drm/bridge_connector: stop filtering events in drm_bridge_connector_hpd_cb()Dmitry Baryshkov
In some cases the bridge drivers would like to receive hotplug events even in the case new status is equal to the old status. In the DP case this is used to deliver "attention" messages to the DP host. Stop filtering the events in the drm_bridge_connector_hpd_cb() and let drivers decide whether they would like to receive the event or not. Reviewed-by: Janne Grunau <j@jannau.net> Link: https://lore.kernel.org/r/20231009174048.2695981-3-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-3-dmitry.baryshkov@linaro.org
2023-10-11drm: Add HPD state to drm_connector_oob_hotplug_event()Bjorn Andersson
In some implementations, such as the Qualcomm platforms, the display driver has no way to query the current HPD state and as such it's impossible to distinguish between disconnect and attention events. Add a parameter to drm_connector_oob_hotplug_event() to pass the HPD state. Also push the test for unchanged state in the displayport altmode driver into the i915 driver, to allow other drivers to act upon each update. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20231009174048.2695981-2-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231009174048.2695981-2-dmitry.baryshkov@linaro.org
2023-10-11Merge drm/drm-next into drm-misc-nextThomas Zimmermann
Updating drm-misc-next to the state of Linux v6.6-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2023-10-10drm/panel: ltk050h3146w: add support for Leadtek LTK050H3148W-CTA6 variantKlaus Goger
The LTK050H3148W-CTA6 is a 5.0" 720x1280 DSI display, whose driving controller is a Himax HX8394-F, slightly different from LTK050H3146W by its init sequence, mode details and mode flags. Cc: Quentin Schulz <foss+kernel@0leil.net> Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220131164723.714836-2-quentin.schulz@theobroma-systems.com
2023-10-10dt-bindings: ltk050h3146w: add compatible for LTK050H3148W-CTA6 variantQuentin Schulz
The LTK050H3148W-CTA6 is a 5.0" 720x1280 DSI display, whose driving controller is a Himax HX8394-F, slightly different from LTK050H3146W by its init sequence, mode details and mode flags. Cc: Quentin Schulz <foss+kernel@0leil.net> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220131164723.714836-3-quentin.schulz@theobroma-systems.com
2023-10-10drm/panel: ltk050h3146w: add mipi_dsi_device.mode_flags to of_match_dataQuentin Schulz
To prepare for a new display to be supported by this driver which has a slightly different set of DSI mode related flags, let's move the currently hardcoded mode flags to the .data field of of_device_id structure. Cc: Quentin Schulz <foss+kernel@0leil.net> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220131164723.714836-1-quentin.schulz@theobroma-systems.com
2023-10-10drm/panel/panel-tpo-tpg110: fix a possible null pointer dereferenceMa Ke
In tpg110_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. Signed-off-by: Ma Ke <make_ruc2021@163.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20231009090446.4043798-1-make_ruc2021@163.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231009090446.4043798-1-make_ruc2021@163.com
2023-10-10drm/panel: fix a possible null pointer dereferenceMa Ke
In versatile_panel_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. Signed-off-by: Ma Ke <make_ruc2021@163.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20231007033105.3997998-1-make_ruc2021@163.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231007033105.3997998-1-make_ruc2021@163.com
2023-10-09drm/rockchip: dsi: Use devm_platform_get_and_ioremap_resource()Yang Li
Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230421081303.122452-1-yang.lee@linux.alibaba.com
2023-10-09drm/rockchip: remove redundant of_match_ptrZhu Wang
The driver depends on CONFIG_OF, so it is not necessary to use of_match_ptr here. Even for drivers that do not depend on CONFIG_OF, it's almost always better to leave out the of_match_ptr(), since the only thing it can possibly do is to save a few bytes of .text if a driver can be used both with and without it. Hence we remove of_match_ptr. Signed-off-by: Zhu Wang <wangzhu9@huawei.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230731125304.87059-1-wangzhu9@huawei.com
2023-10-09drm/rockchip: cdn-dp: Fix some error handling paths in cdn_dp_probe()Christophe JAILLET
cdn_dp_audio_codec_init() can fail. So add some error handling. If component_add() fails, the previous cdn_dp_audio_codec_init() call should be undone, as already done in the remove function. Fixes: 88582f564692 ("drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/8494a41602fadb7439630921a9779640698f2f9f.1693676045.git.christophe.jaillet@wanadoo.fr
2023-10-09drm/rockchip: vop2: Convert to use maple tree register cacheMark Brown
The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20231001-drm-rockchip-maple-v1-1-ca396ab75be7@kernel.org
2023-10-09drm/rockchip: vop2: Demote message in mod_supported to drm_dbg_kmsMichael Tretter
Checking if a modifier is supported by a plane is normal behavior. It is normal that a plane may not support certain modifiers. Failing the check doesn't justify an error message in the kernel log and may mislead users. Demote the error message to drm_dbg_kms to only print the message if the respective debug messages are enabled. This is similar to the behavior in rockchip_drm_vop.c. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20231009103753.830458-1-m.tretter@pengutronix.de
2023-10-09Documentation/gpu: fix Panfrost documentation build warningsAdrián Larumbe
Fix issues revealed by `make htmldocs` after adding Panfrost DRM documentation file. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Fixes: f11b0417eec2 ("drm/panfrost: Add fdinfo support GPU load metrics") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202310030917.Txzlpoeq-lkp@intel.com Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231005141239.132783-1-adrian.larumbe@collabora.com
2023-10-09drm/panel-simple: allow LVDS format overrideJohannes Zink
Some panels support multiple LVDS data mapping formats, which can be used e.g. run displays on jeida-18 format when only 3 LVDS lanes are available. Add parsing of an optional data-mapping devicetree property, which also touches up the bits per color to match the bus format. Signed-off-by: Johannes Zink <j.zink@pengutronix.de> Link: https://lore.kernel.org/r/20230523-simplepanel_support_nondefault_datamapping-v5-3-0d7928edafab@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230523-simplepanel_support_nondefault_datamapping-v5-3-0d7928edafab@pengutronix.de
2023-10-09dt-bindings: display: simple: support non-default data-mappingJohannes Zink
Some Displays support more than just a single default LVDS data mapping, which can be used to run displays on only 3 LVDS lanes in the jeida-18 data-mapping mode. Add an optional data-mapping property to allow overriding the default data mapping. As it does not generally apply to any display and bus, use it selectively on the innolux,g101ice-l01, which supports changing the data mapping via a strapping pin. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Johannes Zink <j.zink@pengutronix.de> Link: https://lore.kernel.org/r/20230523-simplepanel_support_nondefault_datamapping-v5-2-0d7928edafab@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230523-simplepanel_support_nondefault_datamapping-v5-2-0d7928edafab@pengutronix.de
2023-10-09dt-bindings: display: move LVDS data-mapping definition to separate fileJohannes Zink
As the LVDS data-mapping property is required in multiple bindings: move it to separate file and include instead of duplicating it. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Johannes Zink <j.zink@pengutronix.de> Link: https://lore.kernel.org/r/20230523-simplepanel_support_nondefault_datamapping-v5-1-0d7928edafab@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230523-simplepanel_support_nondefault_datamapping-v5-1-0d7928edafab@pengutronix.de
2023-10-09drm/bridge: samsung-dsim: calculate porches in HzMichael Tretter
Calculating the byte_clk in kHz is imprecise for a hs_clock of 55687500 Hz, which may be used with a pixel clock of 74.25 MHz with mode 1920x1080-30. Fix the calculation by using HZ instead of kHZ. This requires to change the type to u64 to prevent overflows of the integer type. Reviewed-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Tested-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E) Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-5-846603df0e0a@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-5-846603df0e0a@pengutronix.de
2023-10-09drm/bridge: samsung-dsim: adjust porches by rounding upMichael Tretter
Rounding the porches up instead of down fixes the samsung-dsim at some more resolutions and refresh rates: The following resolutions are working with rounded-up porches, but don't work when the porches are rounded down: 1920x1080-59.94 1920x1080-30.00 1920x1080-29.97 1920x1080-25.00 1680x1050-59.88 1280x1024-75.02 1200x960-59.99 1280x720-50.00 1024x768-75.03 1024x768-60.00 640x480-60.00 640x480-59.94 Reviewed-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Tested-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E) Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-4-846603df0e0a@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-4-846603df0e0a@pengutronix.de
2023-10-09drm/bridge: samsung-dsim: update PLL reference clockMichael Tretter
The PLL requires a clock frequency in a certain platform-dependent range after the pre-divider. The reference clock for the PLL may change due to changes to it's parent clock. Thus, the frequency may be out of range or unsuited for generating the high speed clock for MIPI DSI. Try to keep the pre-devider small, and set the reference clock close to the upper limit before recalculating the PLL configuration. Use a divider with a power of two for the reference clock as this seems to work best in my tests. Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E) Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-3-846603df0e0a@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-3-846603df0e0a@pengutronix.de
2023-10-09drm/bridge: samsung-dsim: reread ref clock before configuring PLLMichael Tretter
The PLL reference clock may change at runtime when its parent clock changes. For example, this may happen on the i.MX8M Nano if the reference clock is a child of the Video PLL. If the pixel clock changes, this may propagate to the Video PLL and as a side effect change the reference clock. Thus, reading the clock rate during probe is not sufficient to correctly configure the PLL for the expected hs clock. Read the actual rate of the reference clock before calculating the PLL configuration parameters. Note that the "samsung,pll-clock-frequency" is always preferred and PLL reference clock is only read from the clock tree if that device tree property is not set. Reviewed-by: Inki Dae <inki.dae@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E) Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-2-846603df0e0a@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-2-846603df0e0a@pengutronix.de
2023-10-09drm/bridge: samsung-dsim: add more mipi-dsi device debug informationMarco Felsch
Since the MIPI configuration can be changed on demand it is very useful to print more MIPI settings during the MIPI device attach step. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Reviewed-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Tested-by: Adam Ford <aford173@gmail.com> #imx8mm-beacon Reviewed-by: Inki Dae <inki.dae@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> # Kontron BL i.MX8MM + Waveshare 10.1inch HDMI LCD (E) Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20230818-samsung-dsim-v2-1-846603df0e0a@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230818-samsung-dsim-v2-1-846603df0e0a@pengutronix.de
2023-10-06drm: exynos: dsi: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() is renamed to .remove(). samsung_dsim_remove() returned 0 unconditionally. Make it return void instead to convert the two related platform drivers to use .remove_new(). Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Inki Dae <inki.dae@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Link: https://lore.kernel.org/r/20230919103939.1367659-1-u.kleine-koenig@pengutronix.de Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230919103939.1367659-1-u.kleine-koenig@pengutronix.de
2023-10-05drm/amd/display: Fix mst hub unplug warningWayne Lin
[Why] Unplug mst hub will cause warning. That's because dm_helpers_construct_old_payload() is changed to be called after payload removement from dc link. In dm_helpers_construct_old_payload(), We refer to the vcpi in payload allocation table of dc link to construct the old payload and payload is no longer in the table when we call the function now. [How] Refer to the mst_state to construct the number of time slot for old payload now. Note that dm_helpers_construct_old_payload() is just a quick workaround before and we are going to abandon it soon. Fixes: 5aa1dfcdf0a4 ("drm/mst: Refactor the flow for payload allocation/removement") Reviewed-by: Jerry Zuo <jerry.zuo@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231005080405.169841-1-Wayne.Lin@amd.com
2023-10-05drm/panel: nv3051d: Add Support for Anbernic 351VChris Morgan
Add support for the Anbernic 351V. Just like the 353 series the underlying vendor is unknown/unmarked (at least not visible in a non-destructive manner). The panel had slightly different init sequences and timings in the BSP kernel, but works fine with the same ones used in the existing driver. The panel will not work without the inclusion of the MIPI_DSI_CLOCK_NON_CONTINUOUS flag, and this flag prevents the 353 series from working correctly, so a new compatible string is added. Tested colors and timings using modetest and all seem to work identical to the 353 otherwise. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com> Link: https://lore.kernel.org/r/20231003163355.143704-3-macroalpha82@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231003163355.143704-3-macroalpha82@gmail.com
2023-10-05dt-bindings: display: newvision,nv3051d: Add Anbernic 351VChris Morgan
Document the Anbernic RG351V panel, which is identical to the panel used in their 353 series except for in inclusion of an additional DSI format flag. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20231003163355.143704-2-macroalpha82@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231003163355.143704-2-macroalpha82@gmail.com
2023-10-05drm/dp: switch drm_dp_downstream_*() helpers to struct drm_edidJani Nikula
Prefer struct drm_edid where possible. With limited users for the drm_dp_downstream_*() helpers, this is fairly straightforward. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231004162149.2802113-1-jani.nikula@intel.com
2023-10-05drm/v3d: Annotate struct v3d_perfmon with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct v3d_perfmon. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Emma Anholt <emma@anholt.net> Cc: Melissa Wen <mwen@igalia.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Maíra Canal <mcanal@igalia.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-9-keescook@chromium.org
2023-10-05drm/vmwgfx: Annotate struct vmw_surface_dirty with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct vmw_surface_dirty. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Zack Rusin <zackr@vmware.com> Cc: VMware Graphics Reviewers <linux-graphics-maintainer@vmware.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Zack Rusin <zackr@vmware.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-8-keescook@chromium.org
2023-10-05drm/virtio: Annotate struct virtio_gpu_object_array with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct virtio_gpu_object_array. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: David Airlie <airlied@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Gurchetan Singh <gurchetansingh@chromium.org> Cc: Chia-I Wu <olvaffe@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Cc: virtualization@lists.linux-foundation.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-7-keescook@chromium.org
2023-10-05drm/vc4: Annotate struct vc4_perfmon with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct vc4_perfmon. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Emma Anholt <emma@anholt.net> Cc: Maxime Ripard <mripard@kernel.org> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-6-keescook@chromium.org
2023-10-05drm/nouveau/pm: Annotate struct nvkm_perfdom with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct nvkm_perfdom. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Karol Herbst <kherbst@redhat.com> Cc: Lyude Paul <lyude@redhat.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Lyude Paul <lyude@redhat.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-5-keescook@chromium.org
2023-10-05drm/msm/dpu: Annotate struct dpu_hw_intr with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct dpu_hw_intr. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Rob Clark <robdclark@gmail.com> Cc: Abhinav Kumar <quic_abhinavk@quicinc.com> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Sean Paul <sean@poorly.run> Cc: Marijn Suijten <marijn.suijten@somainline.org> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Bjorn Andersson <andersson@kernel.org> Cc: linux-arm-msm@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-4-keescook@chromium.org
2023-10-05drm/i915/selftests: Annotate struct perf_series with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct perf_series. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: John Harrison <john.c.harrison@Intel.com> Cc: Andi Shyti <andi.shyti@linux.intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-3-keescook@chromium.org
2023-10-05drm/amdgpu/discovery: Annotate struct ip_hw_instance with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct ip_hw_instance. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-2-keescook@chromium.org
2023-10-05drm/amd/pm: Annotate struct smu10_voltage_dependency_table with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct smu10_voltage_dependency_table. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Evan Quan <evan.quan@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Xiaojian Du <Xiaojian.Du@amd.com> Cc: Huang Rui <ray.huang@amd.com> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-1-keescook@chromium.org
2023-10-04drm/panfrost: Implement generic DRM object RSS reporting functionAdrián Larumbe
BO's RSS is updated every time new pages are allocated on demand and mapped for the object at GPU page fault's IRQ handler, but only for heap buffers. The reason this is unnecessary for non-heap buffers is that they are mapped onto the GPU's VA space and backed by physical memory in their entirety at BO creation time. This calculation is unnecessary for imported PRIME objects, since heap buffers cannot be exported by our driver, and the actual BO RSS size is the one reported in its attached dmabuf structure. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-6-adrian.larumbe@collabora.com
2023-10-04drm/drm_file: Add DRM obj's RSS reporting function for fdinfoAdrián Larumbe
Some BO's might be mapped onto physical memory chunkwise and on demand, like Panfrost's tiler heap. In this case, even though the drm_gem_shmem_object page array might already be allocated, only a very small fraction of the BO is currently backed by system memory, but drm_show_memory_stats will then proceed to add its entire virtual size to the file's total resident size regardless. This led to very unrealistic RSS sizes being reckoned for Panfrost, where said tiler heap buffer is initially allocated with a virtual size of 128 MiB, but only a small part of it will eventually be backed by system memory after successive GPU page faults. Provide a new DRM object generic function that would allow drivers to return a more accurate RSS and purgeable sizes for their BOs. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-5-adrian.larumbe@collabora.com
2023-10-04drm/panfrost: Add fdinfo support for memory statsAdrián Larumbe
A new DRM GEM object function is added so that drm_show_memory_stats can provide more accurate memory usage numbers. Ideally, in panfrost_gem_status, the BO's purgeable flag would be checked after locking the driver's shrinker mutex, but drm_show_memory_stats takes over the drm file's object handle database spinlock, so there's potential for a race condition here. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-4-adrian.larumbe@collabora.com
2023-10-04drm/panfrost: Add fdinfo support GPU load metricsAdrián Larumbe
The drm-stats fdinfo tags made available to user space are drm-engine, drm-cycles, drm-max-freq and drm-curfreq, one per job slot. This deviates from standard practice in other DRM drivers, where a single set of key:value pairs is provided for the whole render engine. However, Panfrost has separate queues for fragment and vertex/tiler jobs, so a decision was made to calculate bus cycles and workload times separately. Maximum operating frequency is calculated at devfreq initialisation time. Current frequency is made available to user space because nvtop uses it when performing engine usage calculations. It is important to bear in mind that both GPU cycle and kernel time numbers provided are at best rough estimations, and always reported in excess from the actual figure because of two reasons: - Excess time because of the delay between the end of a job processing, the subsequent job IRQ and the actual time of the sample. - Time spent in the engine queue waiting for the GPU to pick up the next job. To avoid race conditions during enablement/disabling, a reference counting mechanism was introduced, and a job flag that tells us whether a given job increased the refcount. This is necessary, because user space can toggle cycle counting through a debugfs file, and a given job might have been in flight by the time cycle counting was disabled. The main goal of the debugfs cycle counter knob is letting tools like nvtop or IGT's gputop switch it at any time, to avoid power waste in case no engine usage measuring is necessary. Also add a documentation file explaining the possible values for fdinfo's engine keystrings and Panfrost-specific drm-curfreq-<keystr> pairs. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-3-adrian.larumbe@collabora.com
2023-10-04drm/panfrost: Add cycle count GPU register definitionsAdrián Larumbe
These GPU registers will be used when programming the cycle counter, which we need for providing accurate fdinfo drm-cycles values to user space. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-2-adrian.larumbe@collabora.com
2023-10-04Merge tag 'drm-intel-next-2023-09-29' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next drm/i915 feature pull for v6.7: Features and functionality: - Early Xe2 LPD / Lunarlake (LNL) display enabling (Lucas, Matt, Gustavo, Stanislav, Luca, Clint, Juha-Pekka, Balasubramani, Ravi) - Plenty of various DSC improvements and fixes (Ankit) - Add DSC PPS state readout and verification (Suraj) - Improve fastsets for VRR, LRR and M/N updates (Ville) - Use connector->ddc to create (non-DP MST) connector sysfs ddc symlinks (Ville) - Various DSB improvements, load LUTs using DSB (Ville) - Improve shared link bandwidth management, starting with FDI (Imre) - Optimize get param ioctl for PXP status (Alan) - Remove DG2 pre-production hardware workarounds (Matt) - Add more RPL P/U PCI IDs (Dnyaneshwar) - Add new DG2-G12 stepping (Swati) - Add PSR sink error status to debugfs (Jouni) - Add DP enhanced framing to crtc state checker (Ville) Refactoring and cleanups: - Simplify TileY/Tile4 tiling selftest enumeration (Matt) - Remove some unused power domain code (Gustavo) - Check stepping of display IP version rather than MTL platform (Matt) - DP audio compute config cleanups (Vinod) - SDVO cleanups and refactoring, more robust failure handling (Ville) - Color register definition and readout cleanups (Jani) - Reduce header interdependencies for frontbuffer tracking (Jani) - Continue replacing struct edid with struct drm_edid (Jani) - Use source physical address instead of EDID for CEC (Jani) - Clean up Type-C port lane count functions (Luca) - Clean up DSC PPS register definitions and readout (Jani) - Stop using GEM_BUG_ON()/GEM_WARN_ON() in display code (Jani) - Move more of the display probe to display code (Jani) - Remove redundant runtime suspended state flag (Jouni) - Move display info printing to display code (Balasubramani) - Frontbuffer tracking improvements (Jouni) - Add trailing newlines to debug logging (Jim Cromie) - Separate display workarounds from clock gating init (Matt) - Reduce dmesg log spamming for combo PHY, PLL state, FEC, DP MST (Ville, Imre) Fixes: - Fix hotplug poll detect loops via suspend/resume (Imre) - Fix hotplug detect for forced connectors (Imre) - Fix DSC first_line_bpg_offset calculation (Suraj) - Fix debug prints for SDP CRC16 (Arun) - Fix PXP runtime resume (Alan) - Fix cx0 PHY lane handling (Gustavo) - Fix frontbuffer tracking locking in debugfs (Juha-Pekka) - Fix SDVO detect on some models (Ville) - Fix SDP split configuration for DP MST (Vinod) - Fix AUX usage and reads for HDCP on DP MST (Suraj) - Fix PSR workaround (Jouni) - Fix redundant AUX power get/put in DP force (Imre) - Fix ICL DSI TCLK POST by letting hardware handle it (William) - Fix IRQ reset for XE LP+ (Gustavo) - Fix h/vsync_end instead of h/vtotal in VBT (Ville) - Fix C20 PHY msgbus timeout issues (Gustavo) - Fix pre-TGL FEC pipe A vs. DDI A mixup (Ville) - Fix FEC state readout for DP MST (Ville) DRM subsystem core changes: - Assume sink supports 8 bpc when DSC is supported (Ankit) - Add drm_edid_is_digital() helper (Jani) - Parse source physical address from EDID (Jani) - Add function to attach CEC without EDID (Jani) - Reorder connector sysfs/debugfs remove (Ville) - Register connector sysfs ddc symlink later (Ville) Media subsystem changes: - Add comments about CEC source physical address usage (Jani) Merges: - Backmerge drm-next to get v6.6-rc1 (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com> # Conflicts: # drivers/gpu/drm/i915/i915_drv.h From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87r0mhi7a6.fsf@intel.com
generated by cgit (git 2.34.1) at 2025-07-15 22:22:48 +0000