This became wide and scattered updates all over the sound tree as
diffstat shows: lots of (still ongoing) refactoring works in ASoC,
fixes and cleanups caught by static analysis, inclusive term
conversions as well as lots of new drivers. Below are highlights:
ASoC core:
* API cleanups and conversions to the unified mute_stream() call
* Simplify I/O helper functions
* Use helper macros to retrieve RTD from substreams
ASoC drivers:
* Lots of fixes and cleanups in Intel ASoC drivers
* Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
boards, TI J721e EVM
ALSA core:
* Minor code refacotring for SG-buffer handling
HD-audio:
* Generalization of mute-LED handling with LED classdev
* Intel silent stream support for HDMI
* Device-specific fixes: CA0132, Loongson-3
Others:
* Usual USB- and HD-audio quirks for various devices
* Fixes for echoaudio DMA position handling
* Various documents and trivial fixes for sparse warnings
* Conversion to adapt inclusive terms
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Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became wide and scattered updates all over the sound tree as
diffstat shows: lots of (still ongoing) refactoring works in ASoC,
fixes and cleanups caught by static analysis, inclusive term
conversions as well as lots of new drivers. Below are highlights:
ASoC core:
- API cleanups and conversions to the unified mute_stream() call
- Simplify I/O helper functions
- Use helper macros to retrieve RTD from substreams
ASoC drivers:
- Lots of fixes and cleanups in Intel ASoC drivers
- Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
boards, TI J721e EVM
ALSA core:
- Minor code refacotring for SG-buffer handling
HD-audio:
- Generalization of mute-LED handling with LED classdev
- Intel silent stream support for HDMI
- Device-specific fixes: CA0132, Loongson-3
Others:
- Usual USB- and HD-audio quirks for various devices
- Fixes for echoaudio DMA position handling
- Various documents and trivial fixes for sparse warnings
- Conversion to adopt inclusive terms"
* tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (479 commits)
ALSA: pci: delete repeated words in comments
ALSA: isa: delete repeated words in comments
ALSA: hda/tegra: Add 100us dma stop delay
ALSA: hda: Add dma stop delay variable
ASoC: hda/tegra: Set buffer alignment to 128 bytes
ALSA: seq: oss: Serialize ioctls
ALSA: hda/hdmi: Add quirk to force connectivity
ALSA: usb-audio: add startech usb audio dock name
ALSA: usb-audio: Add support for Lenovo ThinkStation P620
Revert "ALSA: hda: call runtime_allow() for all hda controllers"
ALSA: hda/ca0132 - Fix AE-5 microphone selection commands.
ALSA: hda/ca0132 - Add new quirk ID for Recon3D.
ALSA: hda/ca0132 - Fix ZxR Headphone gain control get value.
ALSA: hda/realtek: Add alc269/alc662 pin-tables for Loongson-3 laptops
ALSA: docs: fix typo
ALSA: doc: use correct config variable name
ASoC: core: Two step component registration
ASoC: core: Simplify snd_soc_component_initialize declaration
ASoC: core: Relocate and expose snd_soc_component_initialize
ASoC: sh: Replace 'select' DMADEVICES 'with depends on'
...
core:
- add user def flag to cmd line modes
- dma_fence_wait added might_sleep
- dma-fence lockdep annotations
- indefinite fences are bad documentation
- gem CMA functions used in more drivers
- struct mutex removal
- more drm_ debug macro usage
- set/drop master api fixes
- fix for drm/mm hole size comparison
- drm/mm remove invalid entry optimization
- optimise drm/mm hole handling
- VRR debugfs added
- uncompressed AFBC modifier support
- multiple display id blocks in EDID
- multiple driver sg handling fixes
- __drm_atomic_helper_crtc_reset in all drivers
- managed vram helpers
ttm:
- ttm_mem_reg handling cleanup
- remove bo offset field
- drop CMA memtype flag
- drop mappable flag
xilinx:
- New Xilinx ZynqMP DisplayPort Subsystem driver
nouveau:
- add CRC support
- start using NVIDIA published class header files
- convert all push buffer emission to new macros
- Proper push buffer space management for EVO/NVD channels.
- firmware loading fixes
- 2MiB system memory pages support on Pascal and newer
vkms:
- larget cursor support
i915:
- Rocketlake platform enablement
- Early DG1 enablement
- Numerous GEM refactorings
- DP MST fixes
- FBC, PSR, Cursor, Color, Gamma fixes
- TGL, RKL, EHL workaround updates
- TGL 8K display support fixes
- SDVO/HDMI/DVI fixes
amdgpu:
- Initial support for Sienna Cichlid GPU
- Initial support for Navy Flounder GPU
- SI UVD/VCE support
- expose rotation property
- Add support for unique id on Arcturus
- Enable runtime PM on vega10 boards that support BACO
- Skip BAR resizing if the bios already did id
- Major swSMU code cleanup
- Fixes for DCN bandwidth calculations
amdkfd:
- Track SDMA usage per process
- SMI events interface
radeon:
- Default to on chip GART for AGP boards on all arches
- Runtime PM reference count fixes
msm:
- headers regenerated causing churn
- a650/a640 display and GPU enablement
- dpu dither support for 6bpc panels
- dpu cursor fix
- dsi/mdp5 enablement for sdm630/sdm636/sdm66
tegra:
- video capture prep support
- reflection support
mediatek:
- convert mtk_dsi to bridge API
meson:
- FBC support
sun4i:
- iommu support
rockchip:
- register locking fix
- per-pixel alpha support PX30 VOP
-
mgag200:
- ported to simple and shmem helpers
- device init cleanups
- use managed pci functions
- dropped hw cursor support
ast:
- use managed pci functions
- use managed VRAM helpers
- rework cursor support
malidp:
- dev_groups support
hibmc:
- refactor hibmc_drv_vdac:
vc4:
- create TXP CRTC
imx:
- error path fixes and cleanups
etnaviv:
- clock handling and error handling cleanups
- use pin_user_pages
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Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"New xilinx displayport driver, AMD support for two new GPUs (more
header files), i915 initial support for RocketLake and some work on
their DG1 (discrete chip).
The core also grew some lockdep annotations to try and constrain what
drivers do with dma-fences, and added some documentation on why the
idea of indefinite fences doesn't work.
The long list is below.
I do have some fixes trees outstanding, but I'll follow up with those
later.
core:
- add user def flag to cmd line modes
- dma_fence_wait added might_sleep
- dma-fence lockdep annotations
- indefinite fences are bad documentation
- gem CMA functions used in more drivers
- struct mutex removal
- more drm_ debug macro usage
- set/drop master api fixes
- fix for drm/mm hole size comparison
- drm/mm remove invalid entry optimization
- optimise drm/mm hole handling
- VRR debugfs added
- uncompressed AFBC modifier support
- multiple display id blocks in EDID
- multiple driver sg handling fixes
- __drm_atomic_helper_crtc_reset in all drivers
- managed vram helpers
ttm:
- ttm_mem_reg handling cleanup
- remove bo offset field
- drop CMA memtype flag
- drop mappable flag
xilinx:
- New Xilinx ZynqMP DisplayPort Subsystem driver
nouveau:
- add CRC support
- start using NVIDIA published class header files
- convert all push buffer emission to new macros
- Proper push buffer space management for EVO/NVD channels.
- firmware loading fixes
- 2MiB system memory pages support on Pascal and newer
vkms:
- larger cursor support
i915:
- Rocketlake platform enablement
- Early DG1 enablement
- Numerous GEM refactorings
- DP MST fixes
- FBC, PSR, Cursor, Color, Gamma fixes
- TGL, RKL, EHL workaround updates
- TGL 8K display support fixes
- SDVO/HDMI/DVI fixes
amdgpu:
- Initial support for Sienna Cichlid GPU
- Initial support for Navy Flounder GPU
- SI UVD/VCE support
- expose rotation property
- Add support for unique id on Arcturus
- Enable runtime PM on vega10 boards that support BACO
- Skip BAR resizing if the bios already did id
- Major swSMU code cleanup
- Fixes for DCN bandwidth calculations
amdkfd:
- Track SDMA usage per process
- SMI events interface
radeon:
- Default to on chip GART for AGP boards on all arches
- Runtime PM reference count fixes
msm:
- headers regenerated causing churn
- a650/a640 display and GPU enablement
- dpu dither support for 6bpc panels
- dpu cursor fix
- dsi/mdp5 enablement for sdm630/sdm636/sdm66
tegra:
- video capture prep support
- reflection support
mediatek:
- convert mtk_dsi to bridge API
meson:
- FBC support
sun4i:
- iommu support
rockchip:
- register locking fix
- per-pixel alpha support PX30 VOP
mgag200:
- ported to simple and shmem helpers
- device init cleanups
- use managed pci functions
- dropped hw cursor support
ast:
- use managed pci functions
- use managed VRAM helpers
- rework cursor support
malidp:
- dev_groups support
hibmc:
- refactor hibmc_drv_vdac:
vc4:
- create TXP CRTC
imx:
- error path fixes and cleanups
etnaviv:
- clock handling and error handling cleanups
- use pin_user_pages"
* tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits)
drm/msm: use kthread_create_worker instead of kthread_run
drm/msm/mdp5: Add MDP5 configuration for SDM636/660
drm/msm/dsi: Add DSI configuration for SDM660
drm/msm/mdp5: Add MDP5 configuration for SDM630
drm/msm/dsi: Add phy configuration for SDM630/636/660
drm/msm/a6xx: add A640/A650 hwcg
drm/msm/a6xx: hwcg tables in gpulist
drm/msm/dpu: add SM8250 to hw catalog
drm/msm/dpu: add SM8150 to hw catalog
drm/msm/dpu: intf timing path for displayport
drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3
drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845
drm/msm/dpu: move some sspp caps to dpu_caps
drm/msm/dpu: update UBWC config for sm8150 and sm8250
drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250
drm/msm/a6xx: set ubwc config for A640 and A650
drm/msm/adreno: un-open-code some packets
drm/msm: sync generated headers
drm/msm/a6xx: add build_bw_table for A640/A650
drm/msm/a6xx: fix crashstate capture for A650
...
A couple of subsystems have their own subsystem maintainers but choose
to have the code merged through the soc tree as upstream, as the code
tends to be used across multiple SoCs or has SoC specific drivers itself:
- memory controllers:
Krzysztof Kozlowski takes ownership of the drivers/memory
subsystem and its drivers, starting out with a set of cleanup
patches.
A larger driver for the Tegra memory controller that was accidentally
missed for v5.8 is now added.
- reset controllers:
Only minor updates to drivers/reset this time
- firmware:
The "turris mox" firmware driver gains support for signed firmware blobs
The tegra firmware driver gets extended to export some debug information
Various updates to i.MX firmware drivers, mostly cosmetic
- ARM SCMI/SCPI:
A new mechanism for platform notifications is added, among a number
of minor changes.
- optee:
Probing of the TEE bus is rewritten to better support detection of
devices that depend on the tee-supplicant user space.
A new firmware based trusted platform module (fTPM) driver is added
based on OP-TEE
- SoC attributes:
A new driver is added to provide a generic soc_device for identifying
a machine through the SMCCC ARCH_SOC_ID firmware interface rather than
by probing SoC family specific registers.
The series also contains some cleanups to the common soc_device code.
There are also a number of updates to SoC specific drivers,
the main ones are:
- Mediatek cmdq driver gains a few in-kernel interfaces
- Minor updates to Qualcomm RPMh, socinfo, rpm drivers, mostly adding
support for additional SoC variants
- The Qualcomm GENI core code gains interconnect path voting and
performance level support, and integrating this into a number of
device drivers.
- A new driver for Samsung Exynos5800 voltage coupler for
- Renesas RZ/G2H (R8A774E1) SoC support gets added to a couple of SoC
specific device drivers
- Updates to the TI K3 Ring Accelerator driver
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Merge tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"A couple of subsystems have their own subsystem maintainers but choose
to have the code merged through the soc tree as upstream, as the code
tends to be used across multiple SoCs or has SoC specific drivers
itself:
- memory controllers:
Krzysztof Kozlowski takes ownership of the drivers/memory subsystem
and its drivers, starting out with a set of cleanup patches.
A larger driver for the Tegra memory controller that was
accidentally missed for v5.8 is now added.
- reset controllers:
Only minor updates to drivers/reset this time
- firmware:
The "turris mox" firmware driver gains support for signed firmware
blobs The tegra firmware driver gets extended to export some debug
information Various updates to i.MX firmware drivers, mostly
cosmetic
- ARM SCMI/SCPI:
A new mechanism for platform notifications is added, among a number
of minor changes.
- optee:
Probing of the TEE bus is rewritten to better support detection of
devices that depend on the tee-supplicant user space. A new
firmware based trusted platform module (fTPM) driver is added based
on OP-TEE
- SoC attributes:
A new driver is added to provide a generic soc_device for
identifying a machine through the SMCCC ARCH_SOC_ID firmware
interface rather than by probing SoC family specific registers.
The series also contains some cleanups to the common soc_device
code.
There are also a number of updates to SoC specific drivers, the main
ones are:
- Mediatek cmdq driver gains a few in-kernel interfaces
- Minor updates to Qualcomm RPMh, socinfo, rpm drivers, mostly adding
support for additional SoC variants
- The Qualcomm GENI core code gains interconnect path voting and
performance level support, and integrating this into a number of
device drivers.
- A new driver for Samsung Exynos5800 voltage coupler for
- Renesas RZ/G2H (R8A774E1) SoC support gets added to a couple of SoC
specific device drivers
- Updates to the TI K3 Ring Accelerator driver"
* tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (164 commits)
soc: qcom: geni: Fix unused label warning
soc: qcom: smd-rpm: Fix kerneldoc
memory: jz4780_nemc: Only request IO memory the driver will use
soc: qcom: pdr: Reorder the PD state indication ack
MAINTAINERS: Add Git repository for memory controller drivers
memory: brcmstb_dpfe: Fix language typo
memory: samsung: exynos5422-dmc: Correct white space issues
memory: samsung: exynos-srom: Correct alignment
memory: pl172: Enclose macro argument usage in parenthesis
memory: of: Correct kerneldoc
memory: omap-gpmc: Fix language typo
memory: omap-gpmc: Correct white space issues
memory: omap-gpmc: Use 'unsigned int' for consistency
memory: omap-gpmc: Enclose macro argument usage in parenthesis
memory: omap-gpmc: Correct kerneldoc
memory: mvebu-devbus: Align with open parenthesis
memory: mvebu-devbus: Add missing braces to all arms of if statement
memory: bt1-l2-ctl: Add blank lines after declarations
soc: TI knav_qmss: make symbol 'knav_acc_range_ops' static
firmware: ti_sci: Replace HTTP links with HTTPS ones
...
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Merge tag 'mediatek-drm-next-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 5.9
This include converting mtk_dsi to drm_bridge API.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716233102.566-1-chunkuang.hu@kernel.org
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Merge v5.8-rc6 into drm-next
I've got a silent conflict + two trees based on fixes to merge.
Fixes a silent merge with amdgpu
Signed-off-by: Dave Airlie <airlied@redhat.com>
snd_soc_dai_digital_mute() is internally using both
mute_stream() (1) or digital_mute() (2), but the difference between
these 2 are only handling direction.
We can merge digital_mute() into mute_stream
int snd_soc_dai_digital_mute(xxx, int direction)
{
...
else if (dai->driver->ops->mute_stream)
(1) return dai->driver->ops->mute_stream(xxx, direction);
else if (direction == SNDRV_PCM_STREAM_PLAYBACK &&
dai->driver->ops->digital_mute)
(2) return dai->driver->ops->digital_mute(xxx);
...
}
For hdmi-codec, we need to update struct hdmi_codec_ops,
and all its users in the same time.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/87d055xxj2.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use the drm_bridge_connector helper to create a connector for pipelines
that use drm_bridge. This allows splitting connector operations across
multiple bridges when necessary, instead of having the last bridge in
the chain creating the connector and handling all connector operations
internally.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Replace the manual panel handling code by a drm_panel_bridge. This
simplifies the driver and allows all components in the display pipeline
to be treated as bridges, paving the way to generic connector handling.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
The mtk_dsi driver uses an empty implementation for its encoder. Replace
the code with the generic simple encoder.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Convert mtk_dsi to a bridge driver with built-in encoder support for
compatibility with existing component drivers.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This is really a cosmetic change just to make a bit more readable the
code after convert the driver to drm_bridge. The bridge variable name
will be used by the encoder drm_bridge, and the chained bridge will be
named next_bridge.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Equivalent information can be nowadays obtained using function tracer
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
There are some `static const u8` variables that are not used, this
triggers a warning building with `make W=1`, it is safe to remove them,
so do it and make the compiler more happy.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
The driver will be loaded by via a platform device. So we
will need to get the device_node from the parent device.
Depending on this we will set the driver data.
As all this is done later already, just delete the call to
of_device_get_match_data.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
In function mtk_dsi_clk_hs_state, remove unnecessary conversion
to bool return, this change is to make the code a bit readable.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Disable the plane if it's not visible. Otherwise mtk_ovl_layer_config()
would proceed with invalid plane and we may see vblank timeout.
Fixes: 119f517362 ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Equivalent information can be nowadays obtained using function tracer.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
UAPI Changes:
- Add DRM_MODE_TYPE_USERDEF for video modes specified in cmdline.
Cross-subsystem Changes:
- Assorted devicetree binding updates.
- Add might_sleep() to dma_fence_wait().
- Fix fbdev's get_user_pages_fast() handling, and use pin_user_pages.
- Small cleanup with IS_BUILTIN in video/fbdev drivers.
- Fix video/hdmi coding style for infoframe size.
Core Changes:
- Silence vblank output during init.
- Fix DP-MST corruption during send msg timeout.
- Clear leak in drm_gem_objecs_lookup().
- Make newlines work with force connector attribute.
- Fix module refcounting error in drm_encoder_slave, and use new i2c api.
- Header fix for drm_managed.c
- More struct_mutex removal for !legacy drivers:
- Remove gem_free_object()
- Removal of drm_gem_object_put_unlocked().
- Show current->comm alongside pid in debug printfs.
- Add drm_client_modeset_check() + drm_client_framebuffer_flush().
- Replace drm_fb_swab16 with drm_fb_swap that also supports 32-bits.
- Remove mode->vrefresh, and compactify drm_display_mode.
- Use drm_* macros for logging and warnings.
- Add WARN when drm_gem_get_pages is used on a private obj.
- Handle importing and imported dmabuf better in shmem helpers.
- Small fix for drm/mm hole size comparison, and remove invalid entry optimization.
- Add a drm/mm selftest.
- Set DSI connector type for DSI panels.
- Assorted small fixes and documentation updates.
- Fix DDI I2C device registration for MST ports, and flushing on destroy.
- Fix master_set return type, used by vmwgfx.
- Make the drm_set/drop_master ioctl symmetrical.
Driver Changes:
Allow iommu in the sun4i driver and use it for sun8i.
- Simplify backlight lookup for omap, amba-clcd and tilcdc.
- Hold reg_lock for rockchip.
- Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice.
- Small assorted fixes to tilcdc, vc4, i915, omap, fbdev/sm712fb, fbdev/pxafb, console/newport_con, msm, virtio, udl, malidp, hdlcd, bridge/ti-sn65dsi86, panfrost.
- Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers.
- Add support for KOE Allow iommu in the sun4i driver and use it for sun8i.
- Simplify backlight lookup for omap, amba-clcd and tilcdc.
- Hold reg_lock for rockchip.
- Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice.
- Small assorted fixes to tilcdc, vc4 (multiple), i915.
- Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers.
- Add support for KOE TX26D202VM0BWA panel.
- Use GEM CMA functions in arc, arm, atmel-hlcdc, fsi-dcu, hisilicon, imx, ingenic, komeda, malidp, mcde, meson, msxfb, rcar-du, shmobile, stm, sti, tilcdc, tve200, zte.
- Remove gem_print_info.
- Improve gem_create_object_helper so udl can use shmem helpers.
- Convert vc4 dt bindings to schemas, and add clock properties.
- Device initialization cleanups for mgag200.
- Add a workaround to fix DP-MST short pulses handling on broken hardware in i915.
- Allow build test compiling arm drivers.
- Use managed pci functions in mgag200 and ast.
- Use dev_groups in malidp.
- Add per pixel alpha support for PX30 VOP in rockchip.
- Silence deferred probe logs in panfrost.
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Merge tag 'drm-misc-next-2020-06-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.9:
UAPI Changes:
- Add DRM_MODE_TYPE_USERDEF for video modes specified in cmdline.
Cross-subsystem Changes:
- Assorted devicetree binding updates.
- Add might_sleep() to dma_fence_wait().
- Fix fbdev's get_user_pages_fast() handling, and use pin_user_pages.
- Small cleanup with IS_BUILTIN in video/fbdev drivers.
- Fix video/hdmi coding style for infoframe size.
Core Changes:
- Silence vblank output during init.
- Fix DP-MST corruption during send msg timeout.
- Clear leak in drm_gem_objecs_lookup().
- Make newlines work with force connector attribute.
- Fix module refcounting error in drm_encoder_slave, and use new i2c api.
- Header fix for drm_managed.c
- More struct_mutex removal for !legacy drivers:
- Remove gem_free_object()
- Removal of drm_gem_object_put_unlocked().
- Show current->comm alongside pid in debug printfs.
- Add drm_client_modeset_check() + drm_client_framebuffer_flush().
- Replace drm_fb_swab16 with drm_fb_swap that also supports 32-bits.
- Remove mode->vrefresh, and compactify drm_display_mode.
- Use drm_* macros for logging and warnings.
- Add WARN when drm_gem_get_pages is used on a private obj.
- Handle importing and imported dmabuf better in shmem helpers.
- Small fix for drm/mm hole size comparison, and remove invalid entry optimization.
- Add a drm/mm selftest.
- Set DSI connector type for DSI panels.
- Assorted small fixes and documentation updates.
- Fix DDI I2C device registration for MST ports, and flushing on destroy.
- Fix master_set return type, used by vmwgfx.
- Make the drm_set/drop_master ioctl symmetrical.
Driver Changes:
Allow iommu in the sun4i driver and use it for sun8i.
- Simplify backlight lookup for omap, amba-clcd and tilcdc.
- Hold reg_lock for rockchip.
- Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice.
- Small assorted fixes to tilcdc, vc4, i915, omap, fbdev/sm712fb, fbdev/pxafb, console/newport_con, msm, virtio, udl, malidp, hdlcd, bridge/ti-sn65dsi86, panfrost.
- Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers.
- Add support for KOE Allow iommu in the sun4i driver and use it for sun8i.
- Simplify backlight lookup for omap, amba-clcd and tilcdc.
- Hold reg_lock for rockchip.
- Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice.
- Small assorted fixes to tilcdc, vc4 (multiple), i915.
- Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers.
- Add support for KOE TX26D202VM0BWA panel.
- Use GEM CMA functions in arc, arm, atmel-hlcdc, fsi-dcu, hisilicon, imx, ingenic, komeda, malidp, mcde, meson, msxfb, rcar-du, shmobile, stm, sti, tilcdc, tve200, zte.
- Remove gem_print_info.
- Improve gem_create_object_helper so udl can use shmem helpers.
- Convert vc4 dt bindings to schemas, and add clock properties.
- Device initialization cleanups for mgag200.
- Add a workaround to fix DP-MST short pulses handling on broken hardware in i915.
- Allow build test compiling arm drivers.
- Use managed pci functions in mgag200 and ast.
- Use dev_groups in malidp.
- Add per pixel alpha support for PX30 VOP in rockchip.
- Silence deferred probe logs in panfrost.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/001cd9a6-405d-4e29-43d8-354f53ae4e8b@linux.intel.com
Export finalize function to client which helps append eoc and jump
command to pkt. Let client decide call finalize or not.
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/1592749115-24158-9-git-send-email-dennis-yc.hsieh@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
These are updates to SoC specific drivers that did not have
another subsystem maintainer tree to go through for some
reason:
- Some bus and memory drivers for the MIPS P5600 based
Baikal-T1 SoC that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3,
Qualcomm MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas
RZ/G1H, and Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC
as a transport.
- Mediatek platforms now use a new driver for their "MMSYS"
hardware block that controls clocks and some other aspects
in behalf of the media and gpu drivers.
- Some Tegra processors have improved power management
support, including getting woken up by the PMIC and cluster
power down during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon,
Mediatek, and Tegra.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM/SoC driver updates from Arnd Bergmann:
"These are updates to SoC specific drivers that did not have another
subsystem maintainer tree to go through for some reason:
- Some bus and memory drivers for the MIPS P5600 based Baikal-T1 SoC
that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3, Qualcomm
MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas RZ/G1H, and
Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC as a
transport.
- Mediatek platforms now use a new driver for their "MMSYS" hardware
block that controls clocks and some other aspects in behalf of the
media and gpu drivers.
- Some Tegra processors have improved power management support,
including getting woken up by the PMIC and cluster power down
during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon, Mediatek, and
Tegra"
* tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (155 commits)
clk: sprd: fix compile-testing
bus: bt1-axi: Build the driver into the kernel
bus: bt1-apb: Build the driver into the kernel
bus: bt1-axi: Use sysfs_streq instead of strncmp
bus: bt1-axi: Optimize the return points in the driver
bus: bt1-apb: Use sysfs_streq instead of strncmp
bus: bt1-apb: Use PTR_ERR_OR_ZERO to return from request-regs method
bus: bt1-apb: Fix show/store callback identations
bus: bt1-apb: Include linux/io.h
dt-bindings: memory: Add Baikal-T1 L2-cache Control Block binding
memory: Add Baikal-T1 L2-cache Control Block driver
bus: Add Baikal-T1 APB-bus driver
bus: Add Baikal-T1 AXI-bus driver
dt-bindings: bus: Add Baikal-T1 APB-bus binding
dt-bindings: bus: Add Baikal-T1 AXI-bus binding
staging: tegra-video: fix V4L2 dependency
tee: fix crypto select
drivers: soc: ti: knav_qmss_queue: Make knav_gp_range_ops static
soc: ti: add k3 platforms chipid module driver
dt-bindings: soc: ti: add binding for k3 platforms chipid module
...
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Merge tag 'mediatek-drm-next-5.8' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 5.8
This include dpi pin mode swap, config mipi_tx current and impedance,
and some fixup.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200521014612.17175-1-chunkuang.hu@kernel.org
Eiminate the magic number in array size, there macro defines in
hdmi.h.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This code change is to make code bit more readable.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
If dma_map_sg() merges pages when creating the mapping, only the first
entries will have a valid sg_dma_address() and sg_dma_len(), followed by
entries with sg_dma_len() == 0.
Signed-off-by: Anand K Mistry <amistry@google.com>
Signed-off-by: Anand K Mistry <amistry@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Spelling out _unlocked for each and every driver is a annoying.
Especially if we consider how many drivers, do not know (or need to)
about the horror stories involving struct_mutex.
Just drop the suffix. It makes the API cleaner.
Done via the following script:
__from=drm_gem_object_put_unlocked
__to=drm_gem_object_put
for __file in $(git grep --name-only $__from); do
sed -i "s/$__from/$__to/g" $__file;
done
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515095118.2743122-23-emil.l.velikov@gmail.com
Read calibration data from nvmem, and config mipitx impedance with
calibration data to make sure their impedance are 100ohm.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Add a property in device tree to control the driving by different
board.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Config dpi pins mode to output and pull low when dpi is disabled.
Aovid leakage current from some dpi pins (Hsync Vsync DE ... ).
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
In the actual implementation the same compatible string
"mediatek,<chip>-mmsys" is used to bind the clock drivers
(drivers/soc/mediatek) as well as to the gpu driver
(drivers/gpu/drm/mediatek/mtk_drm_drv.c). This ends with the problem
that the only probed driver is the clock driver and there is no display
at all.
In any case having the same compatible string for two drivers is not
correct and should be fixed. To fix this, and maintain backward
compatibility, we can consider that the mmsys driver is the top-level
entry point for the multimedia subsystem, so is not a pure clock
controller but a system controller, and the drm driver is instantiated
by that MMSYS driver.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Provide a mtk_mmsys_ddp_connect() and mtk_mmsys_disconnect() functions to
replace mtk_ddp_add_comp_to_path() and mtk_ddp_remove_comp_from_path().
Those functions will allow DRM driver and others to control the data
path routing.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
It can happen that the mmsys clock drivers aren't probed before the
platform driver gets invoked. The platform driver used to print a warning
that the driver failed to get the clocks. Omit this error on
the defered probe path.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Remove the error check from the fbdev setup function. The function
will print a warning.
v2:
* fix subject line
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200408082641.590-6-tzimmermann@suse.de
This became again a busy development cycle. There are a few ALSA
core updates (merely API cleanups and sparse fixes), while majority
of other changes are found in ASoC scene.
Here are some highlights:
* ALSA core:
- More helper macros for sparse warning fixes (e.g. bitwise types)
- Slight optimization of PCM OSS locks
- Make common handling for PCM / compress buffers (for SOF)
* ASoC:
- Lots of code refactoring and modernization for (still ongoing)
componentization works
- Conversion of SND_SOC_ALL_CODECS to use imply
- Continued refactoring and fixing of the Intel SOF/SST support,
including the initial (but still incomplete) SoundWire support
- SoundWire and more advanced clocking support for Realtek RT5682
- Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563
and TLV320ADCX140
* HD-audio:
- Optimizations in HDMI jack handling
- A few new quirks and fixups for Realtek codecs
* USB-audio:
- Delayed registration support
- New quirks for Motu, Kingston, Presonus
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Merge tag 'sound-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became again a busy development cycle. There are few ALSA core
updates (merely API cleanups and sparse fixes), with the majority of
other changes are found in ASoC scene.
Here are some highlights:
ALSA core:
- More helper macros for sparse warning fixes (e.g. bitwise types)
- Slight optimization of PCM OSS locks
- Make common handling for PCM / compress buffers (for SOF)
ASoC:
- Lots of code refactoring and modernization for (still ongoing)
componentization works
- Conversion of SND_SOC_ALL_CODECS to use imply
- Continued refactoring and fixing of the Intel SOF/SST support,
including the initial (but still incomplete) SoundWire support
- SoundWire and more advanced clocking support for Realtek RT5682
- Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563
and TLV320ADCX140
HD-audio:
- Optimizations in HDMI jack handling
- A few new quirks and fixups for Realtek codecs
USB-audio:
- Delayed registration support
- New quirks for Motu, Kingston, Presonus"
* tag 'sound-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (415 commits)
ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor
Revert "ALSA: uapi: Drop asound.h inclusion from asoc.h"
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
ALSA: hda/realtek - Set principled PC Beep configuration for ALC256
ALSA: doc: Document PC Beep Hidden Register on Realtek ALC256
ALSA: hda/realtek - a fake key event is triggered by running shutup
ALSA: hda: default enable CA0132 DSP support
ASoC: amd: acp3x-pcm-dma: clean up two indentation issues
ASoC: tlv320adcx140: Remove undocumented property
ASoC: Intel: sof_sdw: Add Volteer support with RT5682 SNDW helper function
ASoC: Intel: common: add match table for TGL RT5682 SoundWire driver
ASoC: Intel: boards: add sof_sdw machine driver
ASoC: Intel: soc-acpi: update topology and driver name for SoundWire platforms
ASoC: rt5682: move DAI clock registry to I2S mode
ASoC: pxa: magician: convert to use i2c_new_client_device()
ASoC: SOF: Intel: hda-ctrl: add reset cycle before parsing capabilities
Asoc: SOF: Intel: hda: check SoundWire wakeen interrupt in irq thread
ASoC: SOF: Intel: hda: add WAKEEN interrupt support for SoundWire
ASoC: SOF: Intel: hda: add parameter to control SoundWire clock stop quirks
ASoC: SOF: Intel: hda: merge IPC, stream and SoundWire interrupt handlers
...
The mediatek driver uses empty implementations for its encoders. Replace
the code with the generic simple encoder.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305155950.2705-11-tzimmermann@suse.de
It's right above the drm_dev_put().
This is made possible by a preceeding patch which added a drmm_
cleanup action to drm_mode_config_init(), hence all we need to do to
ensure that drm_mode_config_cleanup() is run on final drm_device
cleanup is check the new error code for _init().
Aside: Another driver with a bit much devm_kzalloc, which should
probably use drmm_kzalloc instead ...
v2: Explain why this cleanup is possible (Laurent).
v3: Use drmm_mode_config_init() for more clarity (Sam, Thomas)
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-41-daniel.vetter@ffwll.ch
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Merge tag 'mediatek-drm-next-5.7' of https://github.com/ckhu-mediatek/linux.git-tags into drm-next
Mediatek DRM Next for Linux 5.7
This include MT8183 DPI support.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1584580683.29614.5.camel@mtksdaap41
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Merge v5.6-rc5 into drm-next
Requested my mripard for some misc patches that need this as a base.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Most bridge drivers create a DRM connector to model the connector at the
output of the bridge. This model is historical and has worked pretty
well so far, but causes several issues:
- It prevents supporting more complex display pipelines where DRM
connector operations are split over multiple components. For instance a
pipeline with a bridge connected to the DDC signals to read EDID data,
and another one connected to the HPD signal to detect connection and
disconnection, will not be possible to support through this model.
- It requires every bridge driver to implement similar connector
handling code, resulting in code duplication.
- It assumes that a bridge will either be wired to a connector or to
another bridge, but doesn't support bridges that can be used in both
positions very well (although there is some ad-hoc support for this in
the analogix_dp bridge driver).
In order to solve these issues, ownership of the connector should be
moved to the display controller driver (where it can be implemented
using helpers provided by the core).
Extend the bridge API to allow disabling connector creation in bridge
drivers as a first step towards the new model. The new flags argument to
the bridge .attach() operation allows instructing the bridge driver to
skip creating a connector. Unconditionally set the new flags argument to
0 for now to keep the existing behaviour, and modify all existing bridge
drivers to return an error when connector creation is not requested as
they don't support this feature yet.
The change is based on the following semantic patch, with manual review
and edits.
@ rule1 @
identifier funcs;
identifier fn;
@@
struct drm_bridge_funcs funcs = {
...,
.attach = fn
};
@ depends on rule1 @
identifier rule1.fn;
identifier bridge;
statement S, S1;
@@
int fn(
struct drm_bridge *bridge
+ , enum drm_bridge_attach_flags flags
)
{
... when != S
+ if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
+ DRM_ERROR("Fix bridge driver to make connector optional!");
+ return -EINVAL;
+ }
+
S1
...
}
@ depends on rule1 @
identifier rule1.fn;
identifier bridge, flags;
expression E1, E2, E3;
@@
int fn(
struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags
) {
<...
drm_bridge_attach(E1, E2, E3
+ , flags
)
...>
}
@@
expression E1, E2, E3;
@@
drm_bridge_attach(E1, E2, E3
+ , 0
)
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-10-laurent.pinchart@ideasonboard.com
The factor depends on the divider of DPI in MT8183, therefore,
we should fix this factor to the right and new one.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
The larb device remains NULL if the type is MTK_DISP_OVL_2L.
A kernel panic is raised when a crtc uses mtk_smi_larb_get or
mtk_smi_larb_put.
Fixes: b17bdd0d7a ("drm/mediatek: add component OVL_2L0")
Signed-off-by: Phong LE <ple@baylibre.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Mediatek CMDQ driver removed atomic parameter and implementation
related to atomic. DRM driver need to make sure previous message
done or be aborted before we send next message.
If previous message is still waiting for event, it means the
setting hasn't been updated into display hardware register,
we can abort the message and send next message to update the
newest setting into display hardware.
If previous message already started, we have to wait it until
transmission has been completed.
So we flush mbox client before we send new message to controller
driver.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
According mtk hardware design, stream_done0 and stream_done1 are
generated by mutex, so we move gce event property to mutex device mode.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Linus Torvalds