History log of /linux/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c (Results 51 – 74 of 74)
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# 1d36dffa 14-Dec-2020 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
"Not a huge amount of big things here, AMD has support for a few new HW
variants (vango

Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
"Not a huge amount of big things here, AMD has support for a few new HW
variants (vangogh, green sardine, dimgrey cavefish), Intel has some
more DG1 enablement. We have a few big reworks of the TTM layers and
interfaces, GEM and atomic internal API reworks cross tree. fbdev is
marked orphaned in here as well to reflect the current reality.

core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT

sched:
- avoid infinite waits

ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support

vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support

displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps

fbdev:
- mark as orphaned

amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes

radeon:
- expose voltage via hwmon on SUMO

amdkfd:
- fix unique id handling

i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+

msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support

aspeed:
- sysfs output config support

ast:
- LUT fix
- new display mode

gma500:
- remove 2d framebuffer accel

panfrost:
- move gpu reset to a worker

exynos:
- new HDMI mode support

mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved

etnaviv:
- new perf counter
- more lockdep annotation

hibmc:
- i2c DDC support

ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes

tilcdc:
- don't keep vblank irq enabled

vc4:
- new maintainer added
- DSI registration fix

virtio:
- blob resource support
- host visible and cross-device support
- uuid api support"

* tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm: (1754 commits)
drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs
drm/amdgpu: fix size calculation with stolen vga memory
drm/amdgpu: remove amdgpu_ttm_late_init and amdgpu_bo_late_init
drm/amdgpu: free the pre-OS console framebuffer after the first modeset
drm/amdgpu: enable runtime pm using BACO on CI dGPUs
drm/amdgpu/cik: enable BACO reset on Bonaire
drm/amd/pm: update smu10.h WORKLOAD_PPLIB setting for raven
drm/amd/pm: remove one unsupported smu function for vangogh
drm/amd/display: setup system context for APUs
drm/amd/display: add S/G support for Vangogh
drm/amdkfd: Fix leak in dmabuf import
drm/amdgpu: use AMDGPU_NUM_VMID when possible
drm/amdgpu: fix sdma instance fw version and feature version init
drm/amd/pm: update driver if version for dimgrey_cavefish
drm/amd/display: 3.2.115
drm/amd/display: [FW Promotion] Release 0.0.45
drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
drm/amd/display: Enable gpu_vm_support for dcn3.01
drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on
drm/amd/display: Add wm table for Renoir
...

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Revision tags: v5.10
# 58f7553f 11-Dec-2020 Mark Brown <broonie@kernel.org>

Merge remote-tracking branch 'spi/for-5.10' into spi-linus


# 031616c4 11-Dec-2020 Mark Brown <broonie@kernel.org>

Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus


# 3c09ec59 09-Dec-2020 Catalin Marinas <catalin.marinas@arm.com>

Merge branches 'for-next/kvm-build-fix', 'for-next/va-refactor', 'for-next/lto', 'for-next/mem-hotplug', 'for-next/cppc-ffh', 'for-next/pad-image-header', 'for-next/zone-dma-default-32-bit', 'for-nex

Merge branches 'for-next/kvm-build-fix', 'for-next/va-refactor', 'for-next/lto', 'for-next/mem-hotplug', 'for-next/cppc-ffh', 'for-next/pad-image-header', 'for-next/zone-dma-default-32-bit', 'for-next/signal-tag-bits' and 'for-next/cmdline-extended' into for-next/core

* for-next/kvm-build-fix:
: Fix KVM build issues with 64K pages
KVM: arm64: Fix build error in user_mem_abort()

* for-next/va-refactor:
: VA layout changes
arm64: mm: don't assume struct page is always 64 bytes
Documentation/arm64: fix RST layout of memory.rst
arm64: mm: tidy up top of kernel VA space
arm64: mm: make vmemmap region a projection of the linear region
arm64: mm: extend linear region for 52-bit VA configurations

* for-next/lto:
: Upgrade READ_ONCE() to RCpc acquire on arm64 with LTO
arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y
arm64: alternatives: Remove READ_ONCE() usage during patch operation
arm64: cpufeatures: Add capability for LDAPR instruction
arm64: alternatives: Split up alternative.h
arm64: uaccess: move uao_* alternatives to asm-uaccess.h

* for-next/mem-hotplug:
: Memory hotplug improvements
arm64/mm/hotplug: Ensure early memory sections are all online
arm64/mm/hotplug: Enable MEM_OFFLINE event handling
arm64/mm/hotplug: Register boot memory hot remove notifier earlier
arm64: mm: account for hotplug memory when randomizing the linear region

* for-next/cppc-ffh:
: Add CPPC FFH support using arm64 AMU counters
arm64: abort counter_read_on_cpu() when irqs_disabled()
arm64: implement CPPC FFH support using AMUs
arm64: split counter validation function
arm64: wrap and generalise counter read functions

* for-next/pad-image-header:
: Pad Image header to 64KB and unmap it
arm64: head: tidy up the Image header definition
arm64/head: avoid symbol names pointing into first 64 KB of kernel image
arm64: omit [_text, _stext) from permanent kernel mapping

* for-next/zone-dma-default-32-bit:
: Default to 32-bit wide ZONE_DMA (previously reduced to 1GB for RPi4)
of: unittest: Fix build on architectures without CONFIG_OF_ADDRESS
mm: Remove examples from enum zone_type comment
arm64: mm: Set ZONE_DMA size based on early IORT scan
arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges
of: unittest: Add test for of_dma_get_max_cpu_address()
of/address: Introduce of_dma_get_max_cpu_address()
arm64: mm: Move zone_dma_bits initialization into zone_sizes_init()
arm64: mm: Move reserve_crashkernel() into mem_init()
arm64: Force NO_BLOCK_MAPPINGS if crashkernel reservation is required
arm64: Ignore any DMA offsets in the max_zone_phys() calculation

* for-next/signal-tag-bits:
: Expose the FAR_EL1 tag bits in siginfo
arm64: expose FAR_EL1 tag bits in siginfo
signal: define the SA_EXPOSE_TAGBITS bit in sa_flags
signal: define the SA_UNSUPPORTED bit in sa_flags
arch: provide better documentation for the arch-specific SA_* flags
signal: clear non-uapi flag bits when passing/returning sa_flags
arch: move SA_* definitions to generic headers
parisc: start using signal-defs.h
parisc: Drop parisc special case for __sighandler_t

* for-next/cmdline-extended:
: Add support for CONFIG_CMDLINE_EXTENDED
arm64: Extend the kernel command line from the bootloader
arm64: kaslr: Refactor early init command line parsing

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Revision tags: v5.10-rc7, v5.10-rc6
# 22f8c805 27-Nov-2020 Dave Airlie <airlied@redhat.com>

Merge tag 'drm-misc-next-2020-11-18' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

* media: Add MEDIA_BUS_FMT_RGB888_3X8_DELTA format

Cross-su

Merge tag 'drm-misc-next-2020-11-18' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

* media: Add MEDIA_BUS_FMT_RGB888_3X8_DELTA format

Cross-subsystem Changes:

* console: Remove unused functions; Store characters-per-font in font-
descriptor structure instead of hard-coding
* DT: Add vendor prefix for ShenZhen Asia Better Technology Ltd. (ABT)

Core Changes:

* Fix build warnings
* Update debug logging to new interfaces, plus fixes
* Add error messages for ioctls;
* Fix kernel docs
* doc: Fix kernel docs
* fbcon: Remove accelerated scrolling
* selftests: Fix build warnings
* ttm: Fix missing NULL check in new page pool; Fix build warnings
* video: Fix kernel docs

Driver Changes:

* armada: Fix build warnings
* atmel-hlcdc: Fix build warnings
* exynos: Fix build warnings
* gma500: Remove 2d framebuffer acceleration
* lima: Fix build warnings; Cleanups
* mediatek: Fix build warnings
* meson: Module removal fixes; Fix build warnings
* nouveau: Fix build warnings
* omap: Fix return values
* panel: Fix build warnings; Add support and DT bindings for OnePlus 6/T; Add
support and DT bindings for ABT Y030XX067A
* panel/s6e63m0: Add/improve SPi reading/writing; Support 3WIRE protocol; Set
connector display info; Add more comments
* panfrost: Move GPU reset into separate worker, avoid race conditions
* pl111: Fix build warnings
* qxl: Cleanup fbcon acceleration
* rockchip: Fix build warnings
* savage: Fix build warnings
* sti: Fix build warnings
* udl: Fix missing error code in udl_handle_damage()
* v3d: Fix build warnings
* vc4: Fix build warnings
* via: Fix build warnings
* virtio: Make dma-buf ops static

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118123221.GA19755@linux-uq9g

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# 20c7775a 26-Nov-2020 Peter Zijlstra <peterz@infradead.org>

Merge remote-tracking branch 'origin/master' into perf/core

Further perf/core patches will depend on:

d3f7b1bb2040 ("mm/gup: fix gup_fast with dynamic page table folding")

which is already in Li

Merge remote-tracking branch 'origin/master' into perf/core

Further perf/core patches will depend on:

d3f7b1bb2040 ("mm/gup: fix gup_fast with dynamic page table folding")

which is already in Linus' tree.

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Revision tags: v5.10-rc5, v5.10-rc4
# 4680e9cc 11-Nov-2020 Linus Walleij <linus.walleij@linaro.org>

drm/panel: s6e63m0: Support 3WIRE protocol

The panel can be connected using 3WIRE, then it is
however necessary that the flag SPI_3WIRE is preserved
on the device, as we set this from generic device

drm/panel: s6e63m0: Support 3WIRE protocol

The panel can be connected using 3WIRE, then it is
however necessary that the flag SPI_3WIRE is preserved
on the device, as we set this from generic device tree
parsing code (or similar). Just |= the SPI mode.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110234653.2248594-5-linus.walleij@linaro.org

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# 9cea1698 11-Nov-2020 Linus Walleij <linus.walleij@linaro.org>

drm/panel: s6e63m0: Add some explanations

The SPI DCS code was a bit hard to understand as the
device accepts 9-bit transfers packed into 16-bit words
with the most significant bit in bit 9 of the
1

drm/panel: s6e63m0: Add some explanations

The SPI DCS code was a bit hard to understand as the
device accepts 9-bit transfers packed into 16-bit words
with the most significant bit in bit 9 of the
16-bit word. Add some clarifying comments.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110234653.2248594-4-linus.walleij@linaro.org

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# 1b72ea1e 11-Nov-2020 Linus Walleij <linus.walleij@linaro.org>

drm/panel: s6e63m0: Implement reading from panel

This code was found in the Samsung vendor tree for the
Samsung GT-I9070 mobile phone. Let's support reading before
we implement the 3WIRE protocol fo

drm/panel: s6e63m0: Implement reading from panel

This code was found in the Samsung vendor tree for the
Samsung GT-I9070 mobile phone. Let's support reading before
we implement the 3WIRE protocol for both reading and
writing.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110234653.2248594-3-linus.walleij@linaro.org

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# 49ef0c6d 11-Nov-2020 Linus Walleij <linus.walleij@linaro.org>

drm/panel: s6e63m0: Simplify SPI writing

This writing code is equivalent to the spi_write()
helper in the SPI framework. Insert a comment
that this will always work fine since SPI buffers
are in nat

drm/panel: s6e63m0: Simplify SPI writing

This writing code is equivalent to the spi_write()
helper in the SPI framework. Insert a comment
that this will always work fine since SPI buffers
are in native endianness.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110234653.2248594-2-linus.walleij@linaro.org

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Revision tags: v5.10-rc3
# 666fab4a 07-Nov-2020 Ingo Molnar <mingo@kernel.org>

Merge branch 'linus' into perf/kprobes

Conflicts:
include/asm-generic/atomic-instrumented.h
kernel/kprobes.c

Use the upstream atomic-instrumented.h checksum, and pick
the kprobes version of kerne

Merge branch 'linus' into perf/kprobes

Conflicts:
include/asm-generic/atomic-instrumented.h
kernel/kprobes.c

Use the upstream atomic-instrumented.h checksum, and pick
the kprobes version of kernel/kprobes.c, which effectively
reverts this upstream workaround:

645f224e7ba2: ("kprobes: Tell lockdep about kprobe nesting")

Since the new code *should* be fine without nesting.

Knock on wood ...

Signed-off-by: Ingo Molnar <mingo@kernel.org>

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# 5f8f9652 05-Nov-2020 Jani Nikula <jani.nikula@intel.com>

Merge drm/drm-next into drm-intel-next-queued

Catch up with v5.10-rc2 and drm-misc-next.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>


# 01be83ee 04-Nov-2020 Thomas Gleixner <tglx@linutronix.de>

Merge branch 'core/urgent' into core/entry

Pick up the entry fix before further modifications.


# 4f6b838c 12-Nov-2020 Marc Zyngier <maz@kernel.org>

Merge tag 'v5.10-rc1' into kvmarm-master/next

Linux 5.10-rc1

Signed-off-by: Marc Zyngier <maz@kernel.org>


Revision tags: v5.10-rc2
# 4a95857a 30-Oct-2020 Zhenyu Wang <zhenyuw@linux.intel.com>

Merge tag 'drm-intel-fixes-2020-10-29' into gvt-fixes

Backmerge for 5.10-rc1 to apply one extra APL fix.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>


# f59cddd8 28-Oct-2020 Mark Brown <broonie@kernel.org>

Merge tag 'v5.10-rc1' into regulator-5.10

Linux 5.10-rc1


# 3bfd5f42 28-Oct-2020 Mark Brown <broonie@kernel.org>

Merge tag 'v5.10-rc1' into spi-5.10

Linux 5.10-rc1


# ce038aea 28-Oct-2020 Mark Brown <broonie@kernel.org>

Merge tag 'v5.10-rc1' into asoc-5.10

Linux 5.10-rc1


Revision tags: v5.10-rc1
# 93b694d0 15-Oct-2020 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
"Not a major amount of change, the i915 trees got split into display
and gt trees to be

Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
"Not a major amount of change, the i915 trees got split into display
and gt trees to better facilitate higher level review, and there's a
major refactoring of i915 GEM locking to use more core kernel concepts
(like ww-mutexes). msm gets per-process pagetables, older AMD SI cards
get DC support, nouveau got a bump in displayport support with common
code extraction from i915.

Outside of drm this contains a couple of patches for hexint
moduleparams which you've acked, and a virtio common code tree that
you should also get via it's regular path.

New driver:
- Cadence MHDP8546 DisplayPort bridge driver

core:
- cross-driver scatterlist cleanups
- devm_drm conversions
- remove drm_dev_init
- devm_drm_dev_alloc conversion

ttm:
- lots of refactoring and cleanups

bridges:
- chained bridge support in more drivers

panel:
- misc new panels

scheduler:
- cleanup priority levels

displayport:
- refactor i915 code into helpers for nouveau

i915:
- split into display and GT trees
- WW locking refactoring in GEM
- execbuf2 extension mechanism
- syncobj timeline support
- GEN 12 HOBL display powersaving
- Rocket Lake display additions
- Disable FBC on Tigerlake
- Tigerlake Type-C + DP improvements
- Hotplug interrupt refactoring

amdgpu:
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support for DC
- Plane rotation enabled
- TMZ state info ioctl
- PCIe DPC recovery support
- DC interrupt handling refactor
- OLED panel fixes

amdkfd:
- add SMI events for thermal throttling
- SMI interface events ioctl update
- process eviction counters

radeon:
- move to dma_ for allocations
- expose sclk via sysfs

msm:
- DSI support for sm8150/sm8250
- per-process GPU pagetable support
- Displayport support

mediatek:
- move HDMI phy driver to PHY
- convert mtk-dpi to bridge API
- disable mt2701 tmds

tegra:
- bridge support

exynos:
- misc cleanups

vc4:
- dual display cleanups

ast:
- cleanups

gma500:
- conversion to GPIOd API

hisilicon:
- misc reworks

ingenic:
- clock handling and format improvements

mcde:
- DSI support

mgag200:
- desktop g200 support

mxsfb:
- i.MX7 + i.MX8M
- alpha plane support

panfrost:
- devfreq support
- amlogic SoC support

ps8640:
- EDID from eDP retrieval

tidss:
- AM65xx YUV workaround

virtio:
- virtio-gpu exported resources

rcar-du:
- R8A7742, R8A774E1 and R8A77961 support
- YUV planar format fixes
- non-visible plane handling
- VSP device reference count fix
- Kconfig fix to avoid displaying disabled options in .config"

* tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm: (1494 commits)
drm/ingenic: Fix bad revert
drm/amdgpu: Fix invalid number of character '{' in amdgpu_acpi_init
drm/amdgpu: Remove warning for virtual_display
drm/amdgpu: kfd_initialized can be static
drm/amd/pm: setup APU dpm clock table in SMU HW initialization
drm/amdgpu: prevent spurious warning
drm/amdgpu/swsmu: fix ARC build errors
drm/amd/display: Fix OPTC_DATA_FORMAT programming
drm/amd/display: Don't allow pstate if no support in blank
drm/panfrost: increase readl_relaxed_poll_timeout values
MAINTAINERS: Update entry for st7703 driver after the rename
Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached"
drm/amd/display: HDMI remote sink need mode validation for Linux
drm/amd/display: Change to correct unit on audio rate
drm/amd/display: Avoid set zero in the requested clk
drm/amdgpu: align frag_end to covered address space
drm/amdgpu: fix NULL pointer dereference for Renoir
drm/vmwgfx: fix regression in thp code due to ttm init refactor.
drm/amdgpu/swsmu: add interrupt work handler for smu11 parts
drm/amdgpu/swsmu: add interrupt work function
...

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Revision tags: v5.9, v5.9-rc8, v5.9-rc7
# 6ea6be77 23-Sep-2020 Dave Airlie <airlied@redhat.com>

Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.10:

UAPI Changes:

Cross-subsystem Changes:
- virtio: Merged a PR for patches

Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.10:

UAPI Changes:

Cross-subsystem Changes:
- virtio: Merged a PR for patches that will affect drm/virtio

Core Changes:
- dev: More devm_drm convertions and removal of drm_dev_init
- atomic: Split out drm_atomic_helper_calc_timestamping_constants of
drm_atomic_helper_update_legacy_modeset_state
- ttm: More rework

Driver Changes:
- i915: selftests improvements
- panfrost: support for Amlogic SoC
- vc4: one fix
- tree-wide: conversions to devm_drm_dev_alloc,
- ast: simplifications of the atomic modesetting code
- panfrost: multiple fixes
- vc4: multiple fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921152956.2gxnsdgxmwhvjyut@gilmour.lan

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Revision tags: v5.9-rc6, v5.9-rc5, v5.9-rc4
# d2024cdf 06-Sep-2020 Linus Walleij <linus.walleij@linaro.org>

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 Wall

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

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Revision tags: v5.9-rc3, v5.9-rc2, v5.9-rc1
# 91867ac7 09-Aug-2020 Linus Walleij <linus.walleij@linaro.org>

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 cont

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

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# 435e06c0 09-Aug-2020 Linus Walleij <linus.walleij@linaro.org>

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.wal

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

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# b7b23e44 09-Aug-2020 Linus Walleij <linus.walleij@linaro.org>

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 t

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/

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