- 30 Mar, 2023 1 commit
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Maarten Lankhorst authored
Backmerge to get rc4. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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- 29 Mar, 2023 8 commits
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Krzysztof Kozlowski authored
Allow 'rotation' property (coming from panel-common.yaml) already used in DTS: sc7180-trogdor-quackingstick-r0.dtb: panel@0: 'rotation' does not match any of the regexes: 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-6-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
Panels are supposed to have one reg. This fixes dtbs_check warnings like: sc7180-idp.dtb: panel@0: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-5-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
Panels are supposed to have one port (coming from panel-common.yaml binding): msm8916-samsung-a3u-eur.dtb: panel@0: 'port' does not match any of the regexes: 'pinctrl-[0-9]+' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-4-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
Few panels like Samsung s6e3fc2x01 and sofef00 use vddio-supply instead of power-supply (in DTS and Linux driver), so allow it to fix: sdm845-oneplus-enchilada.dtb: panel@0: 'power-supply' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
The nt36672a bindings were added with a mistake on VDDIO supply calling it in one place vddio and in other vddi0. Typical name is rather vddio which is also now used by DTS (sdm845-xiaomi-beryllium-common.dtsi) and Linux driver. Fixes: c2abcf30 ("dt-bindings: display: novatek,nt36672a: Fix unevaluated properties warning") Fixes: 9528a024 ("dt-bindings: display: panel: Add bindings for Novatek nt36672a") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-2-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Krzysztof Kozlowski authored
There is nothing special in Innolux p120zdg-bf1 panel, so just like other Innolux panels it can be made part of panel-simple. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230326155425.91181-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Daniel Vetter authored
I just landed the fence deadline PR from Rob that a bunch of drivers want/need to apply driver-specific patches. Backmerge -rc4 so that they don't have to be stuck on -rc2 for no reason at all. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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https://gitlab.freedesktop.org/drm/msmDaniel Vetter authored
This series adds a deadline hint to fences, so realtime deadlines such as vblank can be communicated to the fence signaller for power/ frequency management decisions. This is partially inspired by a trick i915 does, but implemented via dma-fence for a couple of reasons: 1) To continue to be able to use the atomic helpers 2) To support cases where display and gpu are different drivers See https://patchwork.freedesktop.org/series/93035/ This does not yet add any UAPI, although this will be needed in a number of cases: 1) Workloads "ping-ponging" between CPU and GPU, where we don't want the GPU freq governor to interpret time stalled waiting for GPU as "idle" time 2) Cases where the compositor is waiting for fences to be signaled before issuing the atomic ioctl, for example to maintain 60fps cursor updates even when the GPU is not able to maintain that framerate. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGt5nDQpa6J86V1oFKPA30YcJzPhAVpmF7N1K1g2N3c=Zg@mail.gmail.com
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- 28 Mar, 2023 24 commits
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Rob Clark authored
For an atomic commit updating a single CRTC (ie. a pageflip) calculate the next vblank time, and inform the fence(s) of that deadline. v2: Comment typo fix (danvet) v3: If there are multiple CRTCs, consider the time of the soonest vblank Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Rob Clark authored
Will be used in the next commit to set a deadline on fences that an atomic update is waiting on. v2: Calculate time at *start* of vblank period, not end v3: Fix kbuild complaints Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
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Rob Clark authored
As the finished fence is the one that is exposed to userspace, and therefore the one that other operations, like atomic update, would block on, we need to propagate the deadline from from the finished fence to the actual hw fence. v2: Split into drm_sched_fence_set_parent() (ckoenig) v3: Ensure a thread calling drm_sched_fence_set_deadline_finished() sees fence->parent set before drm_sched_fence_set_parent() does this test_bit(DMA_FENCE_FLAG_HAS_DEADLINE_BIT). Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Luben Tuikov <luben.tuikov@amd.com>
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Rob Clark authored
We had all of the internal driver APIs, but not the all important userspace uABI, in the dma-buf doc. Fix that. And re-arrange the comments slightly as otherwise the comments for the ioctl nr defines would not show up. v2: Fix docs build warning coming from newly including the uabi header in the docs build Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
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Rob Clark authored
Add a way to set a deadline on remaining resv fences according to the requested usage. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Christian König <christian.koenig@amd.com>
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Rob Clark authored
Propagate the deadline to all the fences in the chain. v2: Use dma_fence_chain_contained [Tvrtko] Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Christian König <christian.koenig@amd.com>
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Rob Herring authored
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Reviewed-by: Liu Ying <victor.liu@nxp.com> # i.MX bridge Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20230310144705.1542207-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>
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Daniel Vetter authored
Merge tag 'exynos-drm-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next A patch series for moving MIPI-DSI driver for Exynos DRM to drm/bridge directory so that I.MX SoC family can also share the same device driver. Samsung MIPI DSIM device is a common IP that can be used by Exynos and I.MX8M Mini/Nano/Plus SoC. Regarding this, this patch series has added several things below to existing MIPI DSI driver, - Add exynos_dsi_type enum type to provide controller data from different platforms. - Add two pipeline detection ways support - existing Exynos DSI child node and I.MX family of-graph port or ports. - Consider component and bridged based DRM drivers. - Add device tree binding support of I.MX family. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Inki Dae <inki.dae@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230328040524.49278-1-inki.dae@samsung.com
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Marek Vasut authored
Add extras to support i.MX8M Plus. The main change is the removal of HS/VS/DE signal inversion in the LCDIFv3-DSIM glue logic, otherwise the implementation of this IP in i.MX8M Plus is very much compatible with the i.MX8M Mini/Nano one. Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Acked-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <m.szyprowski@samsung.com>
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Jagan Teki authored
Samsung MIPI DSIM bridge can also be found in i.MX8M Plus SoC. Add dt-bingings for it. Reviewed-by: Marek Vasut <marex@denx.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Samsung MIPI DSIM master can also be found in i.MX8M Mini/Nano SoC. Add compatible and associated driver_data for it. Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Acked-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Adam Ford <aford173@gmail.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Samsung MIPI DSIM bridge can also be found in i.MX8M Mini/Nano SoC. Add dt-bingings for it. Reviewed-by: Marek Vasut <marex@denx.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Samsung MIPI DSIM controller is common DSI IP that can be used in various SoCs like Exynos, i.MX8M Mini/Nano. In order to access this DSI controller between various platform SoCs, the ideal way to incorporate this in the drm stack is via the drm bridge driver. We already have a consolidated code for supporting component and bridge based DRM drivers, so keep the exynos component based code in existing exynos_drm_dsi.c and move generic bridge code as part of samsung-dsim.c Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
IRQ handler for te-gpio seems to be common across DSIM host. However, Exynos is handling this via CRTC drivers but there is no clear evidence on how the same has been handled in i.MX8MM. Keeping the handler as-it-is can be a viable option but adding DSIM bridge core in upcoming patches is not possible to call Exynos CRTC handler as DSIM bridge has to be common across DRM bridge core instead of platform specific DRM drivers like Exynos here. So, this patch handles the handler via platform host helper, so-that handling platform specific hook across Exynos and generic can be reasonable till it makes it generic across all platforms. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
DSI host registration, attach and detach operations are quite different for the component and bridge-based DRM drivers. Supporting generic bridge driver to use both component and bridge based DRM drivers can be tricky and would require additional host related operation hooks. Add host operation hooks for registering and unregistering Exynos and generic drivers, where Exynos hooks are used in existing Exynos component based DRM drivers and generic hooks are used in i.MX8M bridge based DRM drivers. Add host attach and detach operation hooks for Exynos component DRM drivers and those get invoked while DSI core host attach and detach gets called. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Finding the right input bus format throughout the pipeline is hard so add atomic_get_input_bus_fmts callback and initialize with the proper input format from list of supported output formats. This format can be used in pipeline for negotiating bus format between the DSI-end of this bridge and the other component closer to pipeline components. List of Pixel formats are taken from, AN13573 i.MX 8/RT MIPI DSI/CSI-2, Rev. 0, 21 March 2022 3.7.4 Pixel formats Table 14. DSI pixel packing formats Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
LCDIF-DSIM glue logic inverts the HS/VS/DE signals and expecting the i.MX8M Mini/Nano DSI host to add additional Data Enable signal active low (DE_LOW). This makes the valid data transfer on each horizontal line. So, add additional bus flags DE_LOW setting via input_bus_flags for i.MX8M Mini/Nano platforms. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Suggested-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Look like an explicit fixing up of mode_flags is required for DSIM IP present in i.MX8M Mini/Nano SoCs. At least the LCDIF + DSIM needs active low sync polarities in order to correlate the correct sync flags of the surrounding components in the chain to make sure the whole pipeline can work properly. On the other hand the i.MX 8M Mini Applications Processor Reference Manual, Rev. 3, 11/2020 says. "13.6.3.5.2 RGB interface Vsync, Hsync, and VDEN are active high signals." i.MX 8M Mini Applications Processor Reference Manual Rev. 3, 11/2020 3.6.3.5.2 RGB interface i.MX 8M Nano Applications Processor Reference Manual Rev. 2, 07/2022 13.6.2.7.2 RGB interface both claim "Vsync, Hsync, and VDEN are active high signals.", the LCDIF must generate inverted HS/VS/DE signals, i.e. active LOW. No clear evidence about whether it can be documentation issues or something, so added proper comments on the code. Comments are suggested by Marek Vasut. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Marek Szyprowski authored
Host transfer() in the DSI master will invoke only when the DSI commands are sent from DSI devices like DSI Panel or DSI bridges and this host the transfer wouldn't invoke for I2C-based-DSI bridge drivers. Handling DSI host initialization in transfer calls misses the controller setup for I2C configured DSI bridges. This patch updates the DSI host initialization by calling host to init from bridge pre_enable as the bridge pre_enable API is invoked by core as it is common across all classes of DSI device drivers. The host init during pre_enable is conditional and not invoked for Exynos as existing downstream drm panels and bridges in Exynos are expecting the host initialization during DSI transfer. Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Samsung MIPI DSIM controller is common DSI IP that can be used in various SoCs like Exynos, i.MX8M Mini/Nano/Plus. Add hw_type enum via platform_data so that accessing the different controller data between various platforms becomes easy and meaningful. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Look like PLL PMS_P offset value varies between platforms that have Samsung DSIM IP. However, there is no clear evidence for it as both Exynos and i.MX 8M Mini Application Processor Reference Manual is still referring the PMS_P offset as 13. The offset 13 is not working for i.MX8M Mini SoCs but the downstream NXP sec-dsim.c driver is using offset 14 for i.MX8M Mini SoC platforms [1] [2]. PMS_P value set in sec_mipi_dsim_check_pll_out using PLLCTRL_SET_P() with offset 13 and then an additional offset of one bit added in sec_mipi_dsim_config_pll via PLLCTRL_SET_PMS(). Not sure whether it is reference manual documentation or something else but this patch trusts the downstream code and handle PLL_P offset via platform driver data so-that imx8mm driver data shall use pll_p_offset to 14. Similar to Mini the i.MX8M Nano/Plus also has P=14, unlike Exynos. [1] https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/gpu/drm/bridge/sec-dsim.c?h=imx_5.4.47_2.2.0#n210 [2] https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/gpu/drm/bridge/sec-dsim.c?h=imx_5.4.47_2.2.0#n211Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
The same Samsung MIPI DSIM master can also be used in NXP's i.MX8M Mini/Nano/Plus SoC. In i.MX8M Mini/Nano/Plus SoC the DSI Phy requires a MIPI DPHY bit to reset in order to activate the PHY and that can be done via upstream i.MX8M blk-ctrl driver. So, mark the phy get as optional. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
In general, for MIPI DSI there are three ways to represent the pipeline for an upstream bridge to find the connected downstream panel or bridge. 1. Child panel or bridge as a conventional device tree child node. 2. Child panel or bridge as an OF-graph port node. 3. Child panel or bridge as an OF-graph ports node. There are three different downstream panels or bridges that are possible to connect an upstream DSI host bridge - DSI Panel, DSI Bridge, and I2C-Configured DSI bridge. An example of the downstream panel represented as a child node, &dsi { compatible = "samsung,exynos5433-mipi-dsi"; ports { port@0 { reg = <0>; dsi_to_mic: endpoint { remote-endpoint = <&mic_to_dsi>; }; }; }; panel@0 { reg = <0>; }; }; An example of the downstream bridge represented as a port node, &i2c4 { bridge@2c { compatible = "ti,sn65dsi84"; ports { port@0 { reg = <0>; bridge_in_dsi: endpoint { remote-endpoint = <&dsi_out_bridge>; data-lanes = <1 2>; }; }; port@2 { reg = <2>; bridge_out_panel: endpoint { remote-endpoint = <&panel_out_bridge>; }; }; }; }; }; &dsi { compatible = "fsl,imx8mm-mipi-dsim"; port { dsi_in_lcdif: endpoint@0 { reg = <0>; remote-endpoint = <&lcdif_out_dsi>; }; dsi_out_bridge: endpoint@1 { reg = <1>; remote-endpoint = <&bridge_in_dsi>; }; }; }; An example of the downstream bridge represented as a ports node, &dsi { compatible = "fsl,imx8mm-mipi-dsim"; ports { port@0 { reg = <0>; dsi_in_lcdif: endpoint@0 { reg = <0>; remote-endpoint = <&lcdif_out_dsi>; }; }; port@1 { reg = <1>; dsi_out_bridge: endpoint { remote-endpoint = <&bridge_in_dsi>; }; }; }; In, summary it is possible to represent all three downstream slaves devices using OF-graph port or ports node however only DSI Panel and DSI Bridge are possible but not possible to represent I2C-Configured DSI bridge child nodes since I2C-Configure bridges are child of I2C node, not upstream DSI host bridge and it is must represent them endpoint port linking. This indeed means, the OF-graph port or ports representation is mandatory for I2C-Configured DSI bridges. This patch tries to add an OF-graph port or ports representation detection code on top of existing child node detection. It is possible to replace the entire detection code using existing drm_of helper drm_of_find_panel_or_bridge but it will break the Exynos DSI since the pipeline doesn't support OF-graph port or ports node. Overall, this patch has a combination of child and OF-graph pipeline detections in order to support the backward compatibility of Exynos DSI child node and i.MX8M Mini/Nano/Plus OF-graph port or ports node pipelines. This is the first common DSI host bridge driver that needs to support all possible downstream connection pipeline combinations. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Jagan Teki authored
Exynos DSI already converted into a bridge driver, so bridge detach will suppose happened during bridge chain removal done by the bridge core. Drop the explicit call chain to detach the bridge. Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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- 27 Mar, 2023 5 commits
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Bjorn Andersson authored
This panel is found in Lenovo Flex 5G laptop, so add the entry for it Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Vinod Koul <vkoul@kernel.org> Acked-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230324165909.131831-1-vkoul@kernel.org
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Dan Carpenter authored
Don't dereference "db->dsi_dev" when it is an error pointer. Fixes: 249a4f5e ("drm/panel: Add Magnachip D53E6EA8966 Panel Driver") Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/de0273a8-8910-4ac4-b4ed-f7691c4d2ca6@kili.mountain
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Daniel Vetter authored
Merge tag 'drm-rcar-next-20230325' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux into drm-next Miscellaneous fixes and improvements for rcar-du Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230325204922.GD19335@pendragon.ideasonboard.com
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Caio Novais authored
Compiling AMD GPU drivers displays two warnings: drivers/gpu/drm/scheduler/sched_main.c:738: warning: Function parameter or member 'file' not described in 'drm_sched_job_add_syncobj_dependency' drivers/gpu/drm/scheduler/sched_main.c:738: warning: Excess function parameter 'file_private' description in 'drm_sched_job_add_syncobj_dependency' Get rid of them by renaming the variable name on the function description Signed-off-by: Caio Novais <caionovais@usp.br> Link: https://lore.kernel.org/r/20230325131532.6356-1-caionovais@usp.brReviewed-by: Luben Tuikov <luben.tuikov@amd.com> Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
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Hsin-Yi Wang authored
There are 2 banks on it6505, and when writing to different bank, REG_BANK_SEL needs to be set to the targeted bank. The current code set this additionally, which causes a race condition when a process is writing bank 0 registers while another process set the bank to 1. Set ranges in regmap config so the regmap API would handle the bank changes. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230327044804.3657551-1-hsinyi@chromium.org
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- 26 Mar, 2023 2 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB / Thunderbolt driver fixes from Greg KH: "Here are a small set of USB and Thunderbolt driver fixes for reported problems and a documentation update, for 6.3-rc4. Included in here are: - documentation update for uvc gadget driver - small thunderbolt driver fixes - cdns3 driver fixes - dwc3 driver fixes - dwc2 driver fixes - chipidea driver fixes - typec driver fixes - onboard_usb_hub device id updates - quirk updates All of these have been in linux-next with no reported problems" * tag 'usb-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits) usb: dwc2: fix a race, don't power off/on phy for dual-role mode usb: dwc2: fix a devres leak in hw_enable upon suspend resume usb: chipidea: core: fix possible concurrent when switch role usb: chipdea: core: fix return -EINVAL if request role is the same with current role thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit thunderbolt: Disable interrupt auto clear for rings thunderbolt: Use const qualifier for `ring_interrupt_index` usb: gadget: Use correct endianness of the wLength field for WebUSB uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS583Gen 2 usb: cdnsp: changes PCI Device ID to fix conflict with CNDS3 driver usb: cdns3: Fix issue with using incorrect PCI device function usb: cdnsp: Fixes issue with redundant Status Stage MAINTAINERS: make me a reviewer of USB/IP thunderbolt: Use scale field when allocating USB3 bandwidth thunderbolt: Limit USB3 bandwidth of certain Intel USB4 host routers thunderbolt: Call tb_check_quirks() after initializing adapters thunderbolt: Add missing UNSET_INBOUND_SBTX for retimer access thunderbolt: Fix memory leak in margining usb: dwc2: drd: fix inconsistent mode if role-switch-default-mode="host" docs: usb: Add documentation for the UVC Gadget ...
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