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519 Commits

Author SHA1 Message Date
Ondrej Jirman
da1409ea08 drm/panel: st7703: Pick different reset sequence 
[ Upstream commit d12d635bb03c7cb4830acb641eb176ee9ff2aa89 ]

Switching to a different reset sequence, enabling IOVCC before enabling
VCC.

There also needs to be a delay after enabling the supplies and before
deasserting the reset. The datasheet specifies 1ms after the supplies
reach the required voltage. Use 10-20ms to also give the power supplies
some time to reach the required voltage, too.

This fixes intermittent panel initialization failures and screen
corruption during resume from sleep on panel xingbangda,xbd599 (e.g.
used in PinePhone).

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Frank Oltmanns <frank@oltmanns.dev>
Reported-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Tested-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230211171748.36692-2-frank@oltmanns.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-11-28 16:54:50 +00:00
Ma Ke
9acc2bc001 drm/panel/panel-tpo-tpg110: fix a possible null pointer dereference 
[ Upstream commit f22def5970c423ea7f87d5247bd0ef91416b0658 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-11-28 16:54:50 +00:00
Ma Ke
c7dc0aca59 drm/panel: fix a possible null pointer dereference 
[ Upstream commit 924e5814d1f84e6fa5cb19c6eceb69f066225229 ]

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
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-11-28 16:54:50 +00:00
Marek Vasut
e2d1c9b397 drm/panel: simple: Add missing connector type and pixel format for AUO T215HVN01 
[ Upstream commit 7a675a8fa598edb29a664a91adb80f0340649f6f ]

The connector type and pixel format are missing for this panel,
add them to prevent various drivers from failing to determine
either of those parameters.

Fixes: 7ee933a1d5 ("drm/panel: simple: Add support for AUO T215HVN01")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230709134914.449328-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-09-19 12:20:12 +02:00
Luca Ceresoli
c8d0d3811e drm/panel: simple: Fix AUO G121EAN01 panel timings according to the docs 
[ Upstream commit e8470c0a7bcaa82f78ad34282d662dd7bd9630c2 ]

Commit 03e909acd9 ("drm/panel: simple: Add support for AUO G121EAN01.4
panel") added support for this panel model, but the timings it implements
are very different from what the datasheet describes. I checked both the
G121EAN01.0 datasheet from [0] and the G121EAN01.4 one from [1] and they
all have the same timings: for example the LVDS clock typical value is 74.4
MHz, not 66.7 MHz as implemented.

Replace the timings with the ones from the documentation. These timings
have been tested and the clock frequencies verified with an oscilloscope to
ensure they are correct.

Also use struct display_timing instead of struct drm_display_mode in order
to also specify the minimum and maximum values.

[0] https://embedded.avnet.com/product/g121ean01-0/
[1] https://embedded.avnet.com/product/g121ean01-4/

Fixes: 03e909acd9 ("drm/panel: simple: Add support for AUO G121EAN01.4 panel")
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804151239.835216-1-luca.ceresoli@bootlin.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-08-26 15:26:52 +02:00
Marek Vasut
2a587b71c5 drm/panel: simple: Add Powertip PH800480T013 drm_display_mode flags 
[ Upstream commit 1c519980aced3da1fae37c1339cf43b24eccdee7 ]

Add missing drm_display_mode DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC
flags. Those are used by various bridges in the pipeline to correctly
configure its sync signals polarity.

Fixes: d69de69f2b ("drm/panel: simple: Add Powertip PH800480T013 panel")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230615201602.565948-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-07-27 08:44:19 +02:00
Fabio Estevam
547ab8ea86 drm/panel: simple: Add connector_type for innolux_at043tn24 
[ Upstream commit 2c56a751845ddfd3078ebe79981aaaa182629163 ]

The innolux at043tn24 display is a parallel LCD. Pass the 'connector_type'
information to avoid the following warning:

panel-simple panel: Specify missing connector_type

Signed-off-by: Fabio Estevam <festevam@denx.de>
Fixes: 41bcceb4de ("drm/panel: simple: Add support for Innolux AT043TN24")
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230620112202.654981-1-festevam@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-07-27 08:44:19 +02:00
Dario Binacchi
b574cd7e4d drm/panel: simple: fix active size for Ampire AM-480272H3TMQW-T01H 
[ Upstream commit f24b49550814fdee4a98b9552e35e243ccafd4a8 ]

The previous setting was related to the overall dimension and not to the
active display area.
In the "PHYSICAL SPECIFICATIONS" section, the datasheet shows the
following parameters:

 ----------------------------------------------------------
|       Item        |         Specifications        | unit |
 ----------------------------------------------------------
| Display area      | 98.7 (W) x 57.5 (H)           |  mm  |
 ----------------------------------------------------------
| Overall dimension | 105.5(W) x 67.2(H) x 4.96(D)  |  mm  |
 ----------------------------------------------------------

Fixes: 966fea78ad ("drm/panel: simple: Add support for Ampire AM-480272H3TMQW-T01H")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
[narmstrong: fixed Fixes commit id length]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230516085039.3797303-1-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-07-27 08:43:48 +02:00
Dmitry Baryshkov
617a4da09d drm/panel: sharp-ls043t1le01: adjust mode settings 
[ Upstream commit dee23b2c9e3ff46d59c5d45e1436eceb878e7c9a ]

Using current settings causes panel flickering on APQ8074 dragonboard.
Adjust panel settings to follow the vendor-provided mode. This also
enables MIPI_DSI_MODE_VIDEO_SYNC_PULSE, which is also specified by the
vendor dtsi for the mentioned dragonboard.

Fixes: ee01723831 ("drm/panel: Add Sharp LS043T1LE01 MIPI DSI panel")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230507172639.2320934-1-dmitry.baryshkov@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-07-27 08:43:46 +02:00
James Cowgill
c85327c1e9 drm/panel: otm8009a: Set backlight parent to panel device 
commit ab4f869fba6119997f7630d600049762a2b014fa upstream.

This is the logical place to put the backlight device, and it also
fixes a kernel crash if the MIPI host is removed. Previously the
backlight device would be unregistered twice when this happened - once
as a child of the MIPI host through `mipi_dsi_host_unregister`, and
once when the panel device is destroyed.

Fixes: 12a6cbd4f3 ("drm/panel: otm8009a: Use new backlight API")
Signed-off-by: James Cowgill <james.cowgill@blaize.com>
Cc: stable@vger.kernel.org
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230412173450.199592-1-james.cowgill@blaize.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-05-17 11:48:15 +02:00
Marek Vasut
576828e59a drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure 
[ Upstream commit c62102165dd79284d42383d2f7ed17301bd8e629 ]

In case mipi_dsi_attach() fails, call drm_panel_remove() to
avoid memory leak.

Fixes: 849b2e3ff9 ("drm/panel: Add Sitronix ST7701 panel driver")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014231106.468063-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2023-01-14 10:15:26 +01:00
Aishwarya Kothari
c776a49d09 drm/panel: simple: set bpc field for logic technologies displays 
[ Upstream commit 876153ab068b2507a19aa3ef481f5b00a2cc780f ]

In case bpc is not set for a panel it then throws a WARN(). Add bpc to
the panels logictechno_lt170410_2whc and logictechno_lt161010_2nh.

Fixes: 5728fe7fa5 ("drm/panel: simple: add display timings for logic technologies displays")
Signed-off-by: Aishwarya Kothari <aishwarya.kothari@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220831141622.39605-1-francesco.dolcini@toradex.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-11-25 17:45:44 +01:00
Heiko Schocher
1ac50c1ad4 drm/panel: simple: Fix innolux_g121i1_l01 bus_format 
[ Upstream commit a7c48a0ab87ae52c087d663e83e56b8225ac4cce ]

innolux_g121i1_l01 sets bpc to 6, so use the corresponding bus format:
MEDIA_BUS_FMT_RGB666_1X7X3_SPWG.

Fixes: 4ae13e4868 ("drm/panel: simple: Add more properties to Innolux G121I1-L01")
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220826165021.1592532-1-festevam@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-09-28 11:10:32 +02:00
Jagan Teki
e19ece6f24 drm/panel: panel-simple: Fix proper bpc for AM-1280800N3TZQW-T00H 
[ Upstream commit 7eafbecd2288c542ea15ea20cf1a7e64a25c21bc ]

AM-1280800N3TZQW-T00H panel support 8 bpc not 6 bpc as per
recent testing in i.MX8MM platform.

Fix it.

Fixes: bca684e69c ("drm/panel: simple: Add AM-1280800N3TZQW-T00H")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211111094103.494831-1-jagan@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-06-09 10:21:05 +02:00
Marek Vasut
d764a7d647 drm/panel: simple: Add missing bus flags for Innolux G070Y2-L01 
[ Upstream commit 0f73a559f916b618c0c05186bd644c90cc9e9695 ]

The DE signal is active high on this display, fill in the missing bus_flags.
This aligns panel_desc with its display_timing .

Fixes: a5d2ade627 ("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>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220406093627.18011-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-06-09 10:21:03 +02:00
Dave Stevenson
405d984274 drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare 
[ Upstream commit 5f18c0782b99e26121efa93d20b76c19e17aa1dd ]

The panel has a prepare call which is before video starts, and an
enable call which is after.
The Toshiba bridge should be configured before video, so move
the relevant power and initialisation calls to prepare.

Fixes: 2f733d6194 ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415162513.42190-3-stefan.wahren@i2se.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-04-27 13:53:56 +02:00
Dave Stevenson
231381f521 drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised 
[ Upstream commit f92055ae0acb035891e988ce345d6b81a0316423 ]

If a call to rpi_touchscreen_i2c_write from rpi_touchscreen_probe
fails before mipi_dsi_device_register_full is called, then
in trying to log the error message if uses ts->dsi->dev when
it is still NULL.

Use ts->i2c->dev instead, which is initialised earlier in probe.

Fixes: 2f733d6194 ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.")
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415162513.42190-2-stefan.wahren@i2se.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-04-27 13:53:56 +02:00
Marek Vasut
336b6be6ad drm/panel: simple: Fix Innolux G070Y2-L01 BPP settings 
[ Upstream commit fc1b6ef7bfb3d1d4df868b1c3e0480cacda6cd81 ]

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: a5d2ade627 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-03-23 09:13:28 +01:00
Christoph Niedermaier
3b72d3f020 drm/panel: simple: Assign data from panel_dpi_probe() correctly 
[ Upstream commit 6df4432a5eca101b5fd80fbee41d309f3d67928d ]

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: 4a1d0dbc83 ("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: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220201110153.3479-1-cniedermaier@dh-electronics.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-02-16 12:54:24 +01:00
Brian Norris
9bc19022aa drm/panel: innolux-p079zca: Delete panel on attach() failure 
[ Upstream commit 32a267e9c057e1636e7afdd20599aa5741a73079 ]

If we fail to attach (e.g., because 1 of 2 dual-DSI controllers aren't
ready), we leave a dangling drm_panel reference to freed memory. Clean
that up on failure.

This problem exists since the driver's introduction, but is especially
relevant after refactored for dual-DSI variants.

Fixes: 14c8f2e9f8 ("drm/panel: add Innolux P079ZCA panel driver")
Fixes: 7ad4e4636c ("drm/panel: p079zca: Refactor panel driver to support multiple panels")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210923173336.2.I9023cf8811a3abf4964ed84eb681721d8bb489d6@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-01-27 10:53:45 +01:00
Brian Norris
b01b7b8684 drm/panel: kingdisplay-kd097d04: Delete panel on attach() failure 
[ Upstream commit 5f31dbeae8a88f31c3eb4eb526ab4807c40da241 ]

If we fail to attach (e.g., because 1 of 2 dual-DSI controllers aren't
ready), we leave a dangling drm_panel reference to freed memory. Clean
that up on failure.

Fixes: 2a994cbed6 ("drm/panel: Add Kingdisplay KD097D04 panel driver")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210923173336.1.Icb4d9dbc1817f4e826361a4f1cea7461541668f0@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2022-01-27 10:53:44 +01:00
Dan Johansen
00ad7a0154 drm/panel: ilitek-ili9881c: Fix sync for Feixin K101-IM2BYL02 panel 
[ Upstream commit 772970620a839141835eaf2bc507d957b10adcca ]

This adjusts sync values according to the datasheet

Fixes: 1c243751c0 ("drm/panel: ilitek-ili9881c: add support for Feixin K101-IM2BYL02 panel")
Co-developed-by: Marius Gripsgard <marius@ubports.com>
Signed-off-by: Dan Johansen <strit@manjaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210818214818.298089-1-strit@manjaro.org
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-10-27 09:56:49 +02:00
Vegard Nossum
d0f0e17103 drm/panel: olimex-lcd-olinuxino: select CRC32 
commit a14bc107edd0c108bda2245e50daa22f91c95d20 upstream.

Fix the following build/link error by adding a dependency on the CRC32
routines:

  ld: drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.o: in function `lcd_olinuxino_probe':
  panel-olimex-lcd-olinuxino.c:(.text+0x303): undefined reference to `crc32_le'

Fixes: 17fd7a9d32 ("drm/panel: Add support for Olimex LCD-OLinuXino panel")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211012115242.10325-1-vegard.nossum@oracle.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-10-20 11:45:05 +02:00
Maxime Ripard
b91e5b6347 drm/panel: raspberrypi-touchscreen: Prevent double-free 
[ Upstream commit 7bbcb919e32d776ca8ddce08abb391ab92eef6a9 ]

The mipi_dsi_device allocated by mipi_dsi_device_register_full() is
already free'd on release.

Fixes: 2f733d6194 ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720134525.563936-9-maxime@cerno.tech
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 14:35:41 +02:00
Linus Walleij
bfdb38a426 drm/panel: nt35510: Do not fail if DSI read fails 
commit 1988e0d84161dabd99d1c27033fbd6ee439bf432 upstream.

Failing to read the MTP over DSI should not bring down the
system and make us bail out from using the display, it turns
out that this happens when toggling the display off and on,
and that write is often still working so the display output
is just fine. Printing an error is enough.

Tested by killing the Gnome session repeatedly on the
Samsung Skomer.

Fixes: 899f24ed8d ("drm/panel: Add driver for Novatek NT35510-based panels")
Cc: Stephan Gerhold <stephan@gerhold.net>
Reported-by: newbyte@disroot.org
Acked-by: Stefan Hansson <newbyte@disroot.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603231830.3200040-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-07-25 14:36:21 +02:00
Linus Walleij
ef8a039012 drm/mcde/panel: Inverse misunderstood flag 
[ Upstream commit d0c5ac04e7feedbc069f26f4dcbf35b521ae7fc5 ]

A recent patch renaming MIPI_DSI_MODE_EOT_PACKET to
MIPI_DSI_MODE_NO_EOT_PACKET brought to light the
misunderstanding in the current MCDE driver and all
its associated panel drivers that MIPI_DSI_MODE_EOT_PACKET
would mean "use EOT packet" when in fact it means the
reverse.

Fix it up by implementing the flag right in the MCDE
DSI driver and remove the flag from panels that actually
want the EOT packet.

Suggested-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Fixes: 5fc537bfd0 ("drm/mcde: Add new driver for ST-Ericsson MCDE")
Fixes: 899f24ed8d ("drm/panel: Add driver for Novatek NT35510-based panels")
Fixes: ac1d6d7488 ("drm/panel: Add driver for Samsung S6D16D0 panel")
Fixes: 435e06c06c ("drm/panel: s6e63m0: Add DSI transport")
Fixes: 8152c2bfd7 ("drm/panel: Add driver for Sony ACX424AKP panel")
Link: https://patchwork.freedesktop.org/patch/msgid/20210304004138.1785057-1-linus.walleij@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-05-14 09:50:22 +02:00
Heiko Stuebner
7397365737 drm/panel: kd35t133: allow using non-continuous dsi clock 
commit d922d58fedcd98ba625e89b625a98e222b090b10 upstream.

The panel is able to work when dsi clock is non-continuous, thus
the system power consumption can be reduced using such feature.

Add MIPI_DSI_CLOCK_NON_CONTINUOUS to panel's mode_flags.

Also the flag actually becomes necessary after
commit c6d94e37bd ("drm/bridge/synopsys: dsi: add support for non-continuous HS clock")
and without it the panel only emits stripes instead of output.

Fixes: c6d94e37bd ("drm/bridge/synopsys: dsi: add support for non-continuous HS clock")
Cc: stable@vger.kernel.org # 5.10+
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Christopher Morgan <macromorgan@hotmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210206135020.1991820-1-heiko@sntech.de
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-03-04 11:38:28 +01:00
Guido Günther
5eb0784f4d drm/panel: mantix: Tweak init sequence 
[ Upstream commit dd396dbc4d7811c1567cc43faa4b9ad68094c44d ]

We've seen some (non permanent) burn in and bad white balance
on some of the panels. Adding this bit from a vendor supplied
sequence fixes it.

Fixes: 72967d5616 ("drm/panel: Add panel driver for the Mantix MLAF057WE51-X DSI panel")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/8451831b60d5ecb73a156613d98218a31bd55680.1605688147.git.agx@sigxcpu.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-03-04 11:37:36 +01:00
Antonio Borneo
a6d508c635 drm/panel: otm8009a: allow using non-continuous dsi clock 
commit 880ee3b7615e7cc087f659cb80ce22f5db56f9a2 upstream.

The panel is able to work when dsi clock is non-continuous, thus
the system power consumption can be reduced using such feature.

Add MIPI_DSI_CLOCK_NON_CONTINUOUS to panel's mode_flags.

Changes in v2:
  - Added my signed-off

Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200922074253.28810-1-yannick.fertre@st.com
Cc: "Alex G." <mr.nuke.me@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-23 16:04:04 +01:00
Stephen Boyd
1a5f0500d8 drm/panel: simple: Add flags to boe_nv133fhm_n61 
[ Upstream commit ab6fd5d44aa21ede9e566f89132f7bdda7f33093 ]

Reading the EDID of this panel shows that these flags should be set. Set
them so that we match what is in the EDID.

Cc: Douglas Anderson <dianders@chromium.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Fixes: b0c664cc80 ("panel: simple: Add BOE NV133FHM-N61")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106182333.3080124-1-swboyd@chromium.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-12-30 11:53:04 +01:00
Sebastian Reichel
7c4bada12d drm/panel: sony-acx565akm: Fix race condition in probe 
The probe routine acquires the reset GPIO using GPIOD_OUT_LOW. Directly
afterwards it calls acx565akm_detect(), which sets the GPIO value to
HIGH. If the bootloader initialized the GPIO to HIGH before the probe
routine was called, there is only a very short time period of a few
instructions where the reset signal is LOW. Exact time depends on
compiler optimizations, kernel configuration and alignment of the stars,
but I expect it to be always way less than 10us. There are no public
datasheets for the panel, but acx565akm_power_on() has a comment with
timings and reset period should be at least 10us. So this potentially
brings the panel into a half-reset state.

The result is, that panel may not work after boot and can get into a
working state by re-enabling it (e.g. by blanking + unblanking), since
that does a clean reset cycle. This bug has recently been hit by Ivaylo
Dimitrov, but there are some older reports which are probably the same
bug. At least Tony Lindgren, Peter Ujfalusi and Jarkko Nikula have
experienced it in 2017 describing the blank/unblank procedure as
possible workaround.

Note, that the bug really goes back in time. It has originally been
introduced in the predecessor of the omapfb driver in commit 3c45d05be3
("OMAPDSS: acx565akm panel: handle gpios in panel driver") in 2012.
That driver eventually got replaced by a newer one, which had the bug
from the beginning in commit 84192742d9 ("OMAPDSS: Add Sony ACX565AKM
panel driver") and still exists in fbdev world. That driver has later
been copied to omapdrm and then was used as a basis for this driver.
Last but not least the omapdrm specific driver has been removed in
commit 45f16c82db ("drm/omap: displays: Remove unused panel drivers").

Reported-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes: 1c8fc3f0c5 ("drm/panel: Add driver for the Sony ACX565AKM panel")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127200429.129868-1-sebastian.reichel@collabora.com
 2020-11-29 22:38:12 +01:00
Guido Günther
6af672523f drm/panel: mantix: Fix panel reset 
The mantix panel needs two reset lines (RESX and TP_RSTN) deasserted to
output an image. Only deasserting RESX is not enough and the display
will stay blank. Deassert in prepare() and assert in unprepare() to keep
device held in reset when off.

Fixes: 72967d5616 ("drm/panel: Add panel driver for the Mantix MLAF057WE51-X DSI panel")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ba71a8ab010d263a8058dd4f711e3bcd95877bf2.1602584953.git.agx@sigxcpu.org
 2020-10-23 10:05:17 +02:00
Guido Günther
938f324e7d drm/panel: mantix: Don't dereference NULL mode 
Don't dereference mode which was just NULL checked.

Fixes: 72967d5616 ("drm/panel: Add panel driver for the Mantix MLAF057WE51-X DSI panel")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/659158549f3c6cc1c71ceed0943e760e861c1206.1602584953.git.agx@sigxcpu.org
 2020-10-23 10:05:06 +02:00
YueHaibing
13138ab2da drm/panel: s6e63m0: Add missing MODULE_LICENSE 
Kbuild warns when this file is built as a loadable module:

WARNING: modpost: missing MODULE_LICENSE() in drivers/gpu/drm/panel/panel-samsung-s6e63m0.o

Add the missing license/author/description tags.

Fixes: b7b23e4476 ("drm/panel: s6e63m0: Break out SPI transport")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909134137.32284-1-yuehaibing@huawei.com
 2020-09-10 08:53:06 +02:00
Linus Walleij
d2024cdf0f drm/panel: s6e63m0: Fix up DRM_DEV* regression 
Ooops the panel drivers stopped to use DRM_DEV* messages
and we predictably create errors by merging code that
still use it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20200906132903.5739-1-linus.walleij@linaro.org
 2020-09-06 21:55:03 +02:00
Linus Walleij
ec219f1ba2 drm/panel: s6e63m0: Order enable/disable sequence 
The upstream S6E63M0 driver has some peculiarities around
the prepare/enable disable/unprepare sequence: the screen
is taken out of sleep in prepare() as part of
s6e63m0_init() the put to on with MIPI_DCS_SET_DISPLAY_ON
in enable().

However it is just put into sleep mode directly in
disable(). As disable()/enable() can be called without
unprepare()/prepare() being called, this is unbalanced,
we should take the display out of sleep in enable()
then turn it off().

Further MIPI_DCS_SET_DISPLAY_OFF is never called
balanced with MIPI_DCS_SET_DISPLAY_ON.

The vendor driver for Samsung GT-I8190 (Golden) does all
of these things in strict order.

Augment the driver to do exit sleep/set display on in
enable() and set display off/enter sleep in disable().

Further send an explicit reset pulse in power_on() so we
come up in a known state, and issue the MCS_ERROR_CHECK
command after setting display on like the vendor driver
does. Also use the timings from the vendor driver in
the sequence.

Doing all of these things makes the display much more
stable on the Samsung GT-I8190 when enabling/disabling
the display pipeline.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Cc: Stephan Gerhold <stephan@gerhold.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200817213906.88207-1-linus.walleij@linaro.org
 2020-09-05 01:28:11 +02:00
Linus Walleij
83ba7a7b3d drm/panel: s6e63m0: Add code to identify panel 
We add code to identify a few different panels mounted
on the s6e63m0 controller. This is necessary to achieve
the proper biasing with DSI versions of the panel.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200809215104.1830206-5-linus.walleij@linaro.org
 2020-09-05 01:26:30 +02:00
Linus Walleij
91867ac7d6 drm/panel: s6e63m0: Add reading functionality 
This adds code to send read commands to read a single
byte from the display, in order to perform MTP ID
look-up of the mounted panel on the s6e63m0 controller.
This is needed for proper biasing on the DSI variants.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200809215104.1830206-4-linus.walleij@linaro.org
 2020-09-05 01:24:26 +02:00
Linus Walleij
435e06c06c drm/panel: s6e63m0: Add DSI transport 
This makes it possible to use the s6e63m0 panel with a
DSI host, such as in the Samsung GT-I8190 (Golden) mobile
phone.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200809215104.1830206-3-linus.walleij@linaro.org
 2020-09-05 01:23:45 +02:00
Linus Walleij
b7b23e4476 drm/panel: s6e63m0: Break out SPI transport 
This panel can be accessed using both SPI and DSI.

To make it possible to probe and use the device also from
a DSI bus, first break out the SPI support to its own file.

Since all the panel driver does is write DCS commands to
the panel, we pass a DCS write function to probe()
from each subdriver.

We make the Kconfig entry for SPI mode default so all
current users will continue to work.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/384873/
 2020-09-05 01:21:48 +02:00
Laurent Pinchart
3b80951699 drm: panel: Fix bpc for OrtusTech COM43H4M85ULC panel 
The OrtusTech COM43H4M85ULC panel is a 18-bit RGB panel. Commit
f098f168e9 ("drm: panel: Fix bus format for OrtusTech COM43H4M85ULC
panel") has fixed the bus formats, but forgot to address the bpc value.
Set it to 6.

Fixes: f098f168e9 ("drm: panel: Fix bus format for OrtusTech COM43H4M85ULC panel")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200824003254.21904-1-laurent.pinchart@ideasonboard.com
 2020-08-30 00:10:44 +02:00
Robert Chiras
3b634b479a drm/panel: rm67191: Remove CLOCK_NON_CONTINUOUS flag 
The flag MIPI_DSI_CLOCK_NON_CONTINUOUS was wrong used in the DSI driver,
so it was added to this panel, but not necessary.
So, remove this flag since it is not needed.

Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1598626713-5595-1-git-send-email-robert.chiras@oss.nxp.com
 2020-08-29 23:01:36 +02:00
Jagan Teki
bca684e69c drm/panel: simple: Add AM-1280800N3TZQW-T00H 
Add Ampire, AM-1280800N3TZQW-T00H 10.1" TFT LCD panel timings.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200829163328.249211-2-jagan@amarulasolutions.com
 2020-08-29 23:01:09 +02:00
Douglas Anderson
fc26a3758b drm: panel: simple: Add KD116N21-30NV-A010 
Values come from the vendor and have been tested on hardware.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200821083454.2.Idf25356dff4b36c62704188c3e3d39a2010d6f6a@changeid
 2020-08-21 19:14:28 +02:00
Paul Cercueil
d738005da9 drm/panel: novatek,nt39016: Remove 'dev' field in priv struct 
There is already a 'struct device' pointer in the drm_panel structure,
that we can access easily from our priv structure, so there's no need
for a separate 'dev' field there.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200820121256.32037-3-paul@crapouillou.net
 2020-08-20 18:34:42 +02:00
Paul Cercueil
2f4b769e4d drm/panel: novatek,nt39016: Reorder calls in probe 
The drm_panel_of_backlight() function must be called after
drm_panel_init(), according to the function's documentation; otherwise
the backlight won't be properly initialized.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200820121256.32037-2-paul@crapouillou.net
 2020-08-20 18:34:28 +02:00
Sam Ravnborg
a25b6b273f drm/panel: Use dev_ based logging 
Standardize on the dev_ based logging and drop the include of drm_print.h.
Fix a few cases where "x@" was used when printing the mode.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Cc: Jerry Han <hanxu5@huaqin.corp-partner.google.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Icenowy Zheng <icenowy@aosc.io>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200815125406.1153224-6-sam@ravnborg.org
 2020-08-18 22:32:37 +02:00
Sam Ravnborg
65d5c86fc5 drm/panel: sitronix: Use dev_ based logging 
Standardize on the dev_ based logging and drop the include of drm_print.h.
Fix a few cases where "x@" was used when printing the mode.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200815125406.1153224-5-sam@ravnborg.org
 2020-08-18 22:32:23 +02:00
Sam Ravnborg
c8cf6990f9 drm/panel: raydium: Use dev_ based logging 
Standardize on the dev_ based logging and drop the include of drm_print.h.
Fix a few cases where "x@" was used when printing the mode.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Cc: Robert Chiras <robert.chiras@nxp.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200815125406.1153224-4-sam@ravnborg.org
 2020-08-18 22:32:08 +02:00
Sam Ravnborg
b75efff5f5 drm/panel: leadtek: Use dev_ based logging 
Standardize on the dev_ based logging and drop the include of drm_print.h.
Fix a few cases where "x@" was used when printing the mode.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200815125406.1153224-3-sam@ravnborg.org
 2020-08-18 22:31:48 +02:00