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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: 2a994cbed6b2 ("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
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: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211011212731.77763-1-pavlica.nikola@gmail.com
Add helper function to convert DT "data-mapping" property string value
into media bus format value, and deduplicate the code in panel-lvds.c
and lvds-codec.c .
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211012224252.29185-1-marex@denx.de
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: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014095202.16716-2-o.rempel@pengutronix.de
Up to now s6e63m0_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.
Also the return value of spi remove callbacks is ignored anyway.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211011132754.2479853-2-u.kleine-koenig@pengutronix.de
Add driver to support Sharp LS06T1SX01 FullHD panel. The panel uses
nt35695 driver IC. For example this LCD module can be found in the
kwaek.ca Dragonboard Display Adapter Bundle.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211009203806.56821-3-dmitry.baryshkov@linaro.org
Add driver to support Sharp LS06T1SX01 FullHD panel. The panel uses
nt35695 driver IC. For example this LCD module can be found in the
kwaek.ca Dragonboard Display Adapter Bundle.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210926001005.3442668-3-dmitry.baryshkov@linaro.org
Support for these two panels fits in nicely with the existing
panel-boe-tv101wum-nl6 driver as suggested by Sam [1].
This is an incell IC, TDDI use time division multiplexing.
Init code effect touch sensing.The main things
we needed to handle were:
a) These panels need slightly longer delays in two places. Since these
new delays aren't much longer, let's just unconditionally increase
them for the driver.
b) These panel use video BURST mode
[1] https://lore.kernel.org/r/YSPAseE6WD8dDRuz@ravnborg.org/
Signed-off-by: yangcong <yangcong5@huaqin.corp-partner.google.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
[dianders: fix whitespace issues reported by dim apply-branch]
[dianders: inx,=>innolux,]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914032252.3770756-4-yangcong5@huaqin.corp-partner.google.com
The auo,b101uan08.3 panel (already supported by this driver) has
a 3.3V rail that needs to be turned on. For previous users of
this panel this voltage was directly output by pmic. On a new
user (the not-yet-upstream sc7180-trogdor-mrbland board) we need
to turn the 3.3V rail on. Add support in the driver for this.
Signed-off-by: yangcong <yangcong5@huaqin.corp-partner.google.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914032252.3770756-2-yangcong5@huaqin.corp-partner.google.com
As discussed in the patch ("dt-bindings: drm/panel-simple: Introduce
generic eDP panels") we can actually support probing eDP panels at
runtime instead of hardcoding what panel is connected. Add support to
the panel-edp driver for this.
We'll implement a solution like this:
* We'll read in two delays from the device tree that are used for
powering up the panel the initial time (to read the EDID).
* In the EDID we can find a 32-bit ID that identifies what panel we've
found. From this ID we can look up the full set of delays.
After this change we'll still need to add per-panel delays into the
panel-simple driver but we will no longer need to specify exactly
which panel is connected to which board in the device tree. Nicely,
any panels that are only supported this way also don't need to
hardcode mode data since it's guaranteed that we can get that through
the EDID.
This patch will seed the ID-to-delay table with a few panels that I
have access to, many of which are on sc7180-trogdor devices.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.15.Id9c96cba4eba3e5ee519bfb09cd64b39f2490293@changeid
While cleaning up the descriptions of the delay for eDP panels I
realized that we'd have a bug if any panels need the
"prepare_to_enable" but HPD handling isn't happening in the panel
driver. Let's put in a stopgap to at least make us not violate
timings. This is not perfectly optimal but trying to do better is
hard. At the moment only 2 panels specify this delay and only 30 ms is
at stake. These panels are also currently hooked up with "hpd-gpios"
so effectively this "fix" is just a theoretical fix and won't actually
do anything for any devices currently supported in mainline.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.13.Ia8288d36df4b12770af59ae3ff73ef7e08fb4e2e@changeid
Now that the delays are named / described with eDP-centric names, it
becomes clear that we should really specify the "hpd_reliable" and
"hpd_absent" separately without taking the other into account. Let's
fix it.
This should be a no-op change and just adjust how we specify
things. The actual delays should be the same before and after for the
one panel that currently species both "hpd_reliable" and "hpd_absent".
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.12.I2522235fca3aa6790ede0bf22a93d79a1f694e6b@changeid
Now that the eDP panel driver only handles eDP panels we can make
better sense of the delays here. Let's describe them in terms of the
standard eDP timing diagram from the eDP spec.
As part of this, it becomes pretty clear that some eDP panels have too
long of a "hpd_reliable_delay". This used to be the "prepare"
delay. It's the fixed delay that we do in the panel driver after
powering on our panel before we look at the HPD signal. To understand
this better, first realize that there could be 3 paths we follow
depending on how HPD is hooked up. Let's walk through them:
1. HPD is handled by the eDP controller driver. Until "recently"
(commit 48834e6084f1 ("drm/panel-simple: Support hpd-gpios for
delaying prepare()") in May 2020) this was the only supported
way. This is supposed to be when the controller driver gets HPD
straight to a dedicated pin. In this case the controller driver
should be waiting for HPD in its pre_enable() routine which should
be called right after the panel's prepare() function is
called. That means that the old "prepare" delay was only needed as
a delay after powering the panel but before looking at HPD.
2. HPD is handled via hpd-gpios in the panel. This is much like #1 but
much easier to follow since all the handling is in the panel
driver.
3. The no-hpd case. This is also easy to follow.
In any case, even though it seems like some old panel data was using
this incorrectly, let's not touch the old data structures but we'll
add a note indicating that something seems off.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.11.I2d798dd015332661c5895ef744bc8ec5cd2e06ca@changeid
In the case where we can read an EDID for a panel the only part of the
panel description that can't be found directly from the EDID is the
description of the delays. Let's break the delay structure out so that
we can specify just the delays for panels that are detected by EDID.
This is simple code motion. No functional change is intended.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.10.I24f3646dd09954958645cc05c538909f169bf362@changeid
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: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.9.I77d7a48df0a6585ef2cc2ff140fbe8f236a9a9f7@changeid
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 0355dde26e52 ("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 0330eaf39082
("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 cd5e1cbe1f0a ("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 9f069c6fbc72
("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: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.8.I84e36f9f86d5d693fce0641a55ddb264a518a947@changeid
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: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.7.I0a2f75bb822d17ce06f5b147734764eeb0c3e3df@changeid
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t
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Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Highlights:
- i915 has seen a lot of refactoring and uAPI cleanups due to a
change in the upstream direction going forward
This has all been audited with known userspace, but there may be
some pitfalls that were missed.
- i915 now uses common TTM to enable discrete memory on DG1/2 GPUs
- i915 enables Jasper and Elkhart Lake by default and has preliminary
XeHP/DG2 support
- amdgpu adds support for Cyan Skillfish
- lots of implicit fencing rules documented and fixed up in drivers
- msm now uses the core scheduler
- the irq midlayer has been removed for non-legacy drivers
- the sysfb code now works on more than x86.
Otherwise the usual smattering of stuff everywhere, panels, bridges,
refactorings.
Detailed summary:
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t"
* tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits)
drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box
drm/amd/display: Remove duplicate dml init
drm/amd/display: Update bounding box states (v2)
drm/amd/display: Update number of DCN3 clock states
drm/amdgpu: disable GFX CGCG in aldebaran
drm/amdgpu: Clear RAS interrupt status on aldebaran
drm/amdgpu: Add support for RAS XGMI err query
drm/amdkfd: Account for SH/SE count when setting up cu masks.
drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain
drm/amdgpu: drop redundant cancel_delayed_work_sync call
drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend
drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
drm/amdkfd: map SVM range with correct access permission
drm/amdkfd: check access permisson to restore retry fault
drm/amdgpu: Update RAS XGMI Error Query
drm/amdgpu: Add driver infrastructure for MCA RAS
drm/amd/display: Add Logging for HDMI color depth information
drm/amd/amdgpu: consolidate PSP TA init shared buf functions
drm/amd/amdgpu: add name field back to ras_common_if
drm/amdgpu: Fix build with missing pm_suspend_target_state module export
...
This adds a driver for Samsung S6D27A1 display controller and panel.
This panel is found in the Samsung GT-I8160 mobile phone,
and possibly some other mobile phones.
This display needs manufacturer commands to configure it;
the commands used in this driver were taken from downstream driver
by Gareth Phillips; sadly, there is almost no documentation on what they
actually do.
This driver re-uses the DBI infrastructure to communicate with the display.
This driver is heavily based on WideChips WS2401 display controller
driver by Linus Walleij and on other panel drivers for reference.
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
[Up reset out time to 120 ms]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210807133111.5935-3-markuss.broks@gmail.com
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: Sam Ravnborg <sam@ravnborg.org>
Co-developed-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805111944.13533-2-o.rempel@pengutronix.de
This driver combines tiny/ili9341.c mipi_dbi_interface driver
with mipi_dpi_interface driver, can support ili9341 with serial
mode and parallel rgb interface mode by different dts bindings.
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1627098243-2742-4-git-send-email-dillon.minfei@gmail.com
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
The Samsung ATNA33XC20 panel is an AMOLED eDP panel that has backlight
control over the DP AUX channel.
This panel is _almost_ able to be controlled in a "simple" way (and it
originally was implemented in panel-simple.c), but it's really
impossible to get the backlight semantics right there without adding
wacky special-case code to panel-simple. Let's give up and clone the
parts of panel-simple that we need and implement the power sequence
that this panel needs.
NOTE: we'll still leave the devicetree bindings alone. Even though the
power-sequencing is non-standard the bindings are still "simple".
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730084534.v2.6.I3a2900080f8749d2bb4baf49ca902db4b0e1df7d@changeid
This reverts commit 18a1488bf1e13fc3fc96d7948466b2166067c6c8.
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: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730084534.v2.5.Ie44e3e5b7a926392541d575ca84c56931596513f@changeid
This reverts commit 4bfe6c8f7c23b01719671b69fd29b87a35ccd9d6.
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: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730084534.v2.4.Id9f076ec5f35633f8ce931051af268a04c45c075@changeid
This converts the internal backlight in the Sony ACX424AKP
driver to do it the canonical way:
- Assign the panel->backlight during probe.
- Let the panel framework handle the backlight.
- Make the backlight .set_brightness() turn the backlight
off completely if blank.
- Fix some dev_err_probe() use cases along the way.
Tested on the U8500 HREF520 reference design.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210715092808.1100106-1-linus.walleij@linaro.org
Required bump from v5.13-rc3 to v5.14-rc3, and to pick up sysfb compilation fixes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210727094435.v3.1.I629b2366a6591410359c7fcf6d385b474b705ca2@changeid
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Backmerge tag 'v5.14-rc3' into drm-next
Linux 5.14-rc3
Daniel said we should pull the nouveau fix from fixes in here, probably
a good plan.
Signed-off-by: Dave Airlie <airlied@redhat.com>
UAPI Changes:
- Remove sysfs stats for dma-buf attachments, as it causes a performance regression.
Previous merge is not in a rc kernel yet, so no userspace regression possible.
Cross-subsystem Changes:
- Sanitize user input in kyro's viewport ioctl.
- Use refcount_t in fb_info->count
- Assorted fixes to dma-buf.
- Extend x86 efifb handling to all archs.
- Fix neofb divide by 0.
- Document corpro,gm7123 bridge dt bindings.
Core Changes:
- Slightly rework drm master handling.
- Cleanup vgaarb handling.
- Assorted fixes.
Driver Changes:
- Add support for ws2401 panel.
- Assorted fixes to stm, ast, bochs.
- Demidlayer ingenic irq.
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Merge tag 'drm-misc-next-2021-07-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.15-rc1:
UAPI Changes:
- Remove sysfs stats for dma-buf attachments, as it causes a performance regression.
Previous merge is not in a rc kernel yet, so no userspace regression possible.
Cross-subsystem Changes:
- Sanitize user input in kyro's viewport ioctl.
- Use refcount_t in fb_info->count
- Assorted fixes to dma-buf.
- Extend x86 efifb handling to all archs.
- Fix neofb divide by 0.
- Document corpro,gm7123 bridge dt bindings.
Core Changes:
- Slightly rework drm master handling.
- Cleanup vgaarb handling.
- Assorted fixes.
Driver Changes:
- Add support for ws2401 panel.
- Assorted fixes to stm, ast, bochs.
- Demidlayer ingenic irq.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2d0d2fe8-01fc-e216-c3fd-38db9e69944e@linux.intel.com
The mipi_dsi_device allocated by mipi_dsi_device_register_full() is
already free'd on release.
Fixes: 2f733d6194bd ("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
UAPI Changes:
Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.
Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.
Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.
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Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.15:
UAPI Changes:
Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.
Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.
Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.
Signed-off-by: Dave Airlie <airlied@redhat.com>
# gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST
# gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3
# gpg: Good signature from "Maarten Lankhorst <maarten.lankhorst@linux.intel.com>" [expired]
# gpg: aka "Maarten Lankhorst <maarten@debian.org>" [expired]
# gpg: aka "Maarten Lankhorst <maarten.lankhorst@canonical.com>" [expired]
# gpg: Note: This key has expired!
# Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/444811c3-cbec-e9d5-9a6b-9632eda7962a@linux.intel.com
This adds a driver for panels based on the WideChips WS2401 display
controller. This display controller is used in the Samsung LMS380KF01
display found in the Samsung GT-I8160 (Codina) mobile phone and
possibly others.
As is common with Samsung displays manufacturer commands are necessary
to configure the display to a working state.
The display optionally supports internal backlight control, but can
also use an external backlight.
This driver re-uses the DBI infrastructure to communicate with the
display.
Cc: phone-devel@vger.kernel.org
Cc: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714225002.1065107-2-linus.walleij@linaro.org
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: bfd451403d70 ("drm/panel-simple: Support DP AUX backlight")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714093334.1.Idb41f87e5abae4aee0705db7458b0097fc50e7ab@changeid
Add support for the Innolux/Chimei EJ030NA 3.0"
320x480 TFT panel.
This panel can be found in the LDKs, RS97 V2.1 and RG300 (non IPS)
handheld gaming consoles.
While being 320x480, it is actually a horizontal 4:3
panel with non-square pixels in delta arrangement.
Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210625121045.81711-2-paul@crapouillou.net
