- Mar 16, 2022
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Marek Vasut authored
The Innolux G070Y2-L01 supports two modes of operation: 1) FRC=Low/NC ... MEDIA_BUS_FMT_RGB666_1X7X3_SPWG ... BPP=6 2) FRC=High ..... MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ... BPP=8 Currently the panel description mixes both, BPP from 1) and bus format from 2), which triggers a warning at panel-simple.c:615. Pick the later, set bpp=8, fix the warning. Fixes: a5d2ade6 ("drm/panel: simple: Add support for Innolux G070Y2-L01") Signed-off-by:
Marek Vasut <marex@denx.de> Cc: Christoph Fritz <chf.fritz@googlemail.com> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220220040718.532866-1-marex@denx.de Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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- Feb 06, 2022
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Christoph Niedermaier authored
In the function panel_simple_probe() the pointer panel->desc is assigned to the passed pointer desc. If function panel_dpi_probe() is called panel->desc will be updated, but further on only desc will be evaluated. So update the desc pointer to be able to use the data from the function panel_dpi_probe(). Fixes: 4a1d0dbc ("drm/panel: simple: add panel-dpi support") Signed-off-by:
Christoph Niedermaier <cniedermaier@dh-electronics.com> Cc: Marek Vasut <marex@denx.de> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> To: dri-devel@lists.freedesktop.org Reviewed-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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- Dec 16, 2021
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Marek Vasut authored
Add Team Source Display TST043015CMHX 4.3" 480x272 DPI panel support. Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20211127031909.283383-3-marex@denx.de
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- Oct 14, 2021
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Nikola Pavlica authored
The model and make of the LCD panel of the Vivax TPC-9150 is unknown, hence the panel settings that were retrieved with a FEX dump are named after the device NOT the actual panel. The LCD in question is a 50 pin MISO TFT LCD panel of the resolution 1024x600 used by the aforementioned device. Version 2, as Thierry kindly suggested that I fix the order in which the panel was ordered compared to others. Version 3, filling in the required info suggested by Sam. Plus some factual issues that I've corrected myself (tested working) Version 4, rearranged the display parameters and fix invalid bit format issue. (Thanks Sam) Version 5, referred to FEX file instead of manual debugging for information. Version 6, same as above. This time, it'll be documented. A bit of context first: I experimented with this a long time ago whilst I was first learning how to get Linux running on Allwinner boards, I didn't have many resources at hand so this was quite slow. Anyways, I stumbled upon this guide (https://linux-sunxi.org/LCD ) and was reading about how to setup the LCD for my tablet. Since I was able to make a proper FEX dump, I was also able to read the correct parameters for myself without relying on leaked documents or part numbers and whatnot. In the FEX dump the value lcd_frm IS SET to 1, which means, at least according to the document, that this display is INDEED an 18 bit per pixel panel. Compiling U-Boot and seeing the tux in proper colors confirmed this. As per Sam Ravnborg's suggestion, I've changed the panel to his format "MEDIA_BUS_FMT_RGB666_1X7X3_SPWG", however this does not lead to any actual change in regards to the functionality since the sunxi panel driver just ignores this value. However, hopefully this clears up any errors down the road as either the driver becomes advanced enough to not ignore this value or that some other piece of software relies on this value being known. PS: Apologies to the maintainers that have to endure my misjudgement about how these things work. As for the concerns about a single patch series, I wasn't sure where to send the patches as they clearly aren't dt-bindings related and my previous patches have ended up in drm-misc-fixes anyway. So I'm guessing I'll be fine if I just post them in the list from last time??? Signed-off-by:
Nikola Pavlica <pavlica.nikola@gmail.com> Signed-off-by:
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Oleksij Rempel authored
Add compatible and timings for the Innolux G070Y2-T02 panel. It is 7" WVGA (800x480) TFT LCD panel with TTL interface and a backlight unit. Co-Developed-by:
Robin van der Gracht <robin@protonic.nl> Signed-off-by:
Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by:
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- Oct 09, 2021
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Søren Andersen authored
Add support for the Logic Technologies LTTD800x480 L2RT 7" 800x480 TFT Resistive Touch Module. Signed-off-by:
Søren Andersen <san@skov.dk> Signed-off-by:
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- Sep 20, 2021
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Douglas Anderson authored
All of the "HPD" handling added to panel-simple recently was for eDP panels. Remove it from panel-simple now that panel-edp handles eDP panels. The "prepare_to_enable" delay only makes sense in the context of HPD, so remove it too. No non-eDP panels used it anyway. Signed-off-by:
Douglas Anderson <dianders@chromium.org> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.9.I77d7a48df0a6585ef2cc2ff140fbe8f236a9a9f7@changeid
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Douglas Anderson authored
Not all panels in panel-simple were marked what type of panel they were. I searched through ARM/ARM64 Chromebooks or Chromebook-related reference boards that I was aware of and found some panels that needed to be moved. I also skimmed for panels that had no mode and were "big" since it's quite rare to see a small eDP panel. Here's what I found: * auo,b101ean01 - rk3288-veyron-minnie * auo,b133htn01 - exynos5800-peach-pi * auo,b133xtn01 - tegra124-nyan-big * boe,nv101wxmn51 - rk3399-gru-bob * innolux,p120zdg-bf1 - sdm845-cheza * lg,lp079qx1-sp0v - rk3399-evb and similar * lg,lp097qx1-spa1 - According to commit 0355dde2 ("drm/panel: simple: Add support for LG LP097QX1-SPA1 panel") this is an eDP panel. * lg,lp129qe - tegra124-venice2 * samsung,lsn122dl01-c01 - According to commit 0330eaf3 ("drm/panel: simple: Add support for Samsung LSN122DL01-C01 panel") this is an eDP panel. * samsung,ltn140at29-301 - tegra124-nyan-blaze * sharp,ld-d5116z01b - According to commit cd5e1cbe ("drm/panel: simple: Add support for Sharp LD-D5116Z01B panel") this is an eDP panel. * sharp,lq123p1jx31 - rk3399-gru-kevin * starry,kr122ea0sra - rk3399-gru-gru (reference board, not upstream) I won't promise that I didn't miss a single panel, but that's fairly complete I think. I'm not sure the full impact of the fact that they didn't have the connector type specified, but at least as of commit 9f069c6f ("drm/panel: panel-simple: add default connector_type") we may have been accidentally thinking of them as DPI panels. We also would certainly have had a warning. In any case since we don't want to support anything eDP in the old simple-panel driver, we should move these. Cc: Yakir Yang <ykk@rock-chips.com> Cc: Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Cc: Thierry Reding <treding@nvidia.com> Signed-off-by:
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Douglas Anderson authored
The panel-simple driver handles way too much. Let's start trying to get a handle on it by splitting out the eDP panels. This patch does this: 1. Start by copying simple-panel verbatim over to a new driver, simple-panel-edp. 2. Rename "panel_simple" to "panel_edp" in the new driver. 3. Keep only panels marked with `DRM_MODE_CONNECTOR_eDP` in the new driver. Remove those panels from the old driver. 4. Remove all recent "DP AUX bus" stuff from the old driver. The DP AUX bus is only possible on DP panels. 5. Remove all DSI / MIPI related functions from the new driver. 6. Remove bus_format / bus_flags from eDP driver. These things don't seem to make any sense for eDP panels so let's stop filling in made up stuff. In the end we end up with a bunch of duplicated code for now. Future patches will try to address _some_ of this duplicated code though some of it will be unavoidable. NOTE: This may not actually move all eDP panels over to the new driver since not all panels were properly marked with `DRM_MODE_CONNECTOR_eDP`. A future patch will attempt to move wayward panels I could identify but even so there may be some missed. Suggested-by:
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- Sep 09, 2021
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Douglas Anderson authored
The "logicpd_type_28" panel data was splitting up the mitsubishi_aa070mc01 panel data. Reorganize it so that the panel descs and modes are kept together. This is a no-op code-cleanup change, found by code inspection. Signed-off-by:
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- Aug 05, 2021
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Søren Andersen authored
Add support for the LOGIC Technologies, Inc LTTD800480070-L6WH-RT Signed-off-by:
Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by:
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Sam Ravnborg authored
The Multi Innotechnology is a 10.1" 1280x800 panel. The datasheet did not specify specific values for sync, back, front porch. The values are a best guess based on values for similar panels. Signed-off-by:
Ulrich Ölmann <u.oelmann@pengutronix.de> Signed-off-by:
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Artjom Vejsel authored
The Gopher 2b LCD panel is used in Gopher 2b handhelds. It's simple panel with NewVision NV3047 driver, but SPI lines are not connected. It has no specific name, since it's unique to that handheld. lot name at AliExpress: 4.3 inch 40PIN TFT LCD Screen COG NV3047 Drive IC 480(RGB)*272 No Touch 24Bit RGB Interface Signed-off-by:
Artjom Vejsel <akawolf0@gmail.com> Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Link: https://patchwork.freedesktop.org/patch/msgid/20210804002353.76385-4-akawolf0@gmail.com
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- Aug 01, 2021
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Alistair Francis authored
Add support for the 10.3" E Ink panel described at: https://www.eink.com/product.html?type=productdetail&id=7 Signed-off-by:
Alistair Francis <alistair@alistair23.me> Acked-by:
Rob Herring <robh@kernel.org> Reviewed-by:
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- Jul 31, 2021
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Douglas Anderson authored
This reverts commit 18a1488b . Those delays were added to support the Samsung ATNA33XC20 panel. However, we've moving that to its own panel driver and out of panel-simple. That means we don't need the ability to specify this delay. NOTE: it's unlikely we want to keep this delay "just in case" some other panel needs it. The enable-gpio and the power supply are really supposed to be different ways to specify the same thing: the main enable of the panel. Supporting a delay between them doesn't really make sense. Signed-off-by:
Sean Paul <seanpaul@chromium.org> Signed-off-by:
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Douglas Anderson authored
This reverts commit 4bfe6c8f . This panel's power sequencing really can't be handled properly by panel-simple because of the special sequencing needed for the EL_ON3 GPIO. The only way it was sorta working in the past was by trying to jam that signal into the "enable-gpio", but that really wasn't a good fit. We'll add a custom panel driver for this panel to do it right. Signed-off-by:
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- Jul 27, 2021
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Nicolas Boichat authored
Many of the DSI flags have names opposite to their actual effects, e.g. MIPI_DSI_MODE_EOT_PACKET means that EoT packets will actually be disabled. Fix this by including _NO_ in the flag names, e.g. MIPI_DSI_MODE_NO_EOT_PACKET. Signed-off-by:
Nicolas Boichat <drinkcat@chromium.org> Reviewed-by:
Robert Foss <robert.foss@linaro.org> Reviewed-by:
Andrzej Hajda <andrzej.hajda@samsung.com> Reviewed-by: Xin Ji <xji@analogixsemi.com> # anx7625.c Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org> # msm/dsi Signed-off-by:
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- Jul 26, 2021
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Bjorn Andersson authored
Add definition of the AUO B133HAN05.4 13.3" FHD panel and the B140HAN06.4 14.0" FHD panel. Signed-off-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by:
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- Jul 25, 2021
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Jagan Teki authored
ytc700tlag_05_201c panel support 8 bpc not 6 bpc as per recent testing in i.MX8MM platform. Fix it. Fixes: 7a1f4fa4 ("drm/panel: simple: Add YTC700TLAG-05-201C") Signed-off-by:
Jagan Teki <jagan@amarulasolutions.com> Signed-off-by:
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- Jul 15, 2021
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Douglas Anderson authored
When I tried booting up a device that needed the DP AUX backlight, I found an error in the logs: panel-simple-dp-aux: probe of aux-ti_sn65dsi86.aux.0 failed with error -110 The aux transfers were failing because the panel wasn't powered. Just like when reading the EDID we need to power the panel when trying to talk to it. Add the needed pm_runtime calls. After I do this I can successfully probe the panel and adjust the backlight on my board. Fixes: bfd45140 ("drm/panel-simple: Support DP AUX backlight") Signed-off-by:
Lyude Paul <lyude@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210714093334.1.Idb41f87e5abae4aee0705db7458b0097fc50e7ab@changeid
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- Jul 09, 2021
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Stefan Riedmueller authored
This patch adds support for the EDT ETM0350G0DH6 3.5" (320x240) lcd panel to DRM simple panel driver. Signed-off-by:
Stefan Riedmueller <s.riedmueller@phytec.de> Signed-off-by:
Yunus Bas <y.bas@phytec.de> Signed-off-by:
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Stefan Riedmueller authored
This patch adds support for the EDT ETMV570G2DHU 5.7" (640x480) lcd panel to DRM simple panel driver. Signed-off-by:
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Rajeev Nandan authored
Add Samsung 13.3" FHD eDP AMOLED panel. Signed-off-by:
Rajeev Nandan <rajeevny@codeaurora.org> Reviewed-by:
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Rajeev Nandan authored
Do not give a warning for the eDP panels if the "bus_format" is not specified, since most eDP panels can support more than one bus formats and this can be auto-detected. Also, update the check to include bpc=10 for the eDP panel. Signed-off-by:
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Rajeev Nandan authored
Some panels datasheets may specify a delay between the enable GPIO and the regulator. Support this in panel-simple. Signed-off-by:
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Rajeev Nandan authored
If there is no backlight specified in the device tree and the panel has access to the DP AUX channel then create a DP AUX backlight if supported by the panel. Signed-off-by:
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- Jun 21, 2021
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Stefan Riedmueller authored
Add corresponding bus_format and bus_flags for the EDT ETM0430G0DH6 display. Signed-off-by:
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Stefan Riedmueller authored
The connector_type for following two EDT displays is missing: - EDT ETM0430G0DH6 - EDT ETM0700G0BDH6 Both are parallel displays thus add the corresponding connector_type. Signed-off-by:
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Stefan Riedmueller authored
The AUO G104SN02 V2 is an LVDS display which supports 6 and 8 bpc PSWG. Add the corresponding connector type and 8 bpc as default bus_format. Signed-off-by:
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- Jun 11, 2021
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Douglas Anderson authored
If panel-simple is instantiated as a DP AUX bus endpoint then we have access to the DP AUX bus. Let's stash it in the panel-simple structure, leaving it NULL for the cases where the panel is instantiated in other ways. If we happen to have access to the DP AUX bus and we weren't provided the ddc-i2c-bus in some other manner, let's use the DP AUX bus for it. Signed-off-by:
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Douglas Anderson authored
The panel-simple driver can already have devices instantiated as platform devices or MIPI DSI devices. Let's add a 3rd way to instantiate it: as DP AUX endpoint devices. At the moment there is no benefit to instantiating it in this way, but: - In the next patch we'll give it access to the DDC channel via the DP AUX bus. - Possibly in the future we may use this channel to configure the backlight. Signed-off-by:
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- May 24, 2021
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Douglas Anderson authored
The PM Runtime docs specifically call out the need to call pm_runtime_dont_use_autosuspend() in the remove() callback if pm_runtime_use_autosuspend() was called in probe(): > Drivers in ->remove() callback should undo the runtime PM changes done > in ->probe(). Usually this means calling pm_runtime_disable(), > pm_runtime_dont_use_autosuspend() etc. We should do this. This fixes a warning splat that I saw when I was testing out the panel-simple's remove(). Fixes: 3235b0f2 ("drm/panel: panel-simple: Use runtime pm to avoid excessive unprepare / prepare") Signed-off-by:
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- May 03, 2021
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Douglas Anderson authored
It doesn't make sense to go out to the bus and read the EDID over and over again. Let's cache it and throw away the cache when we turn power off from the panel. Autosuspend means that even if there are several calls to read the EDID before we officially turn the power on then we should get good use out of this cache. Signed-off-by:
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Douglas Anderson authored
I don't believe that it ever makes sense to read the EDID when a panel is not powered and the powering on of the panel is the job of prepare(). Let's make sure that this happens before we try to read the EDID. We use the pm_runtime functions directly rather than directly calling the normal prepare() function because the pm_runtime functions are definitely refcounted whereas it's less clear if the prepare() one is. NOTE: I'm not 100% sure how EDID reading was working for folks in the past, but I can only assume that it was failing on the initial attempt and then working only later. This patch, presumably, will fix that. If some panel out there really can read the EDID without powering up and it's a big advantage to preserve the old behavior we can add a per-panel flag. It appears that providing the DDC bus to the panel in the past was somewhat uncommon in any case. Signed-off-by:
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Douglas Anderson authored
As of commit 5186421c ("drm: Introduce epoch counter to drm_connector") the drm_get_edid() function calls drm_connector_update_edid_property() for us. There's no reason for us to call it again. Signed-off-by:
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Douglas Anderson authored
When I added support for the hpd-gpio to simple-panel in commit 48834e60 ("drm/panel-simple: Support hpd-gpios for delaying prepare()"), I added a special case to handle a circular dependency I was running into on the ti-sn65dsi86 bridge chip. On my board the hpd-gpio is actually provided by the bridge chip. That was causing some circular dependency problems that I had to work around by getting the hpd-gpio late. I've now reorganized the ti-sn65dsi86 bridge chip driver to be a collection of sub-drivers. Now the GPIO part can probe separately and that breaks the chain. Let's get rid of the old code to clean things up. Signed-off-by:
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- Apr 30, 2021
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Douglas Anderson authored
In commit 3235b0f2 ("drm/panel: panel-simple: Use runtime pm to avoid excessive unprepare / prepare") we started using pm_runtime, but my patch neglected to add the proper pm_runtime_disable(). Doh! Add them now. Fixes: 3235b0f2 ("drm/panel: panel-simple: Use runtime pm to avoid excessive unprepare / prepare") Reported-by:
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- Apr 20, 2021
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Douglas Anderson authored
Unpreparing and re-preparing a panel can be a really heavy operation. Panels datasheets often specify something on the order of 500ms as the delay you should insert after turning off the panel before turning it on again. In addition, turning on a panel can have delays on the order of 100ms - 200ms before the panel will assert HPD (AKA "panel ready"). The above means that we should avoid turning a panel off if we're going to turn it on again shortly. The above becomes a problem when we want to read the EDID of a panel. The way that ordering works is that userspace wants to read the EDID of the panel _before_ fully enabling it so that it can set the initial mode correctly. However, we can't read the EDID until we power it up. This leads to code that does this dance (like ps8640_bridge_get_edid()): 1. When userspace requests EDID / the panel modes (through an ioctl), we power on the panel just enough to read the EDID and then power it off. 2. Userspace then turns the panel on. There's likely not much time between step #1 and #2 and so we want to avoid powering the panel off and on again between those two steps. Let's use Runtime PM to help us. We'll move the existing prepare() and unprepare() to be runtime resume() and runtime suspend(). Now when we want to prepare() or unprepare() we just increment or decrement the refcount. We'll default to a 1 second autosuspend delay which seems sane given the typical delays we see for panels. A few notes: - It seems the existing unprepare() and prepare() are defined to be no-ops if called extra times. We'll preserve that behavior but may try to remove it in a future patch. - This is a slight change in the ABI of simple panel. If something was absolutely relying on the unprepare() to happen instantly that simply won't be the case anymore. I'm not aware of anyone relying on that behavior, but if there is someone then we'll need to figure out how to enable (or disable) this new delayed behavior selectively. - In order for this to work we now have a hard dependency on "PM". From memory this is a legit thing to assume these days and we don't have to find some fallback to keep working if someone wants to build their system without "PM". Signed-off-by:
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- Mar 11, 2021
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Douglas Anderson authored
Panel power sequence says timing T8 (time from link idle to turn on the backlight) should be at least 50 ms. This is what the .enable delay in simple-panel is for, so set it. NOTE: this overlaps with the 80 ms .prepare_to_enable delay on purpose. The data sheet says that at least 80 ms needs to pass between HPD going high and turning on the backlight and that at least 50 ms needs to pass between the link idle and the backlight going on. Thus it works like this on the system in front of me: * In bridge chip pre_enable call drm_panel_prepare() * drm_panel_prepare() -> panel_simple_prepare() * Wait for HPD GPIO to go high. * Start counting for 80 ms (store in prepared_time) * In bridge chip enable, train link then call drm_panel_enable() * drm_panel_enable() -> panel_simple_enable() * panel_simple_enable() does hardcoded 50 ms delay then enforces 80 ms from HPD going high (in case the bridge took less than 30 ms to enable / link train). * drm_panel_enable() -> backlight_enable(). Signed-off-by:
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Douglas Anderson authored
This panel is quite similar to the similarly named N116BGE panel (the nominal timings are, in fact identical). However, let's add a new entry because the full range of clocks listed for N116BGE aren't supported for N116BCA-EA1, at least according to the datasheet. Signed-off-by:
Stephen Boyd <swboyd@chromium.org> Reviewed-by:
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