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388 Commits

Author SHA1 Message Date
Thomas Zimmermann
0929391a82 staging: fbtft: Use backlight power constants 
Replace FB_BLANK_ constants with their counterparts from the
backlight subsystem. The values are identical, so there's no
change in functionality or semantics.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240731130130.1148153-2-tzimmermann@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-08-13 11:26:12 +02:00
Riyan Dhiman
f67a5f76a6 staging: fbtft: Fix mutex and spinlock without comment warning 
Adhere to Linux kernel coding style

Reported by checkpatch:

CHECK: spinlock_t definition without comment
CHECK: mutex definition without comment

Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com>
Link: https://lore.kernel.org/r/20240727093106.11214-1-riyandhiman14@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-07-30 09:20:50 +02:00
Riyan Dhiman
ed50113fa2 staging: fbtft: Remove ftrace-like logging 
Adhere to Linux kernel coding style

Reported by checkpatch:

WARNING: Unnecessary ftrace-like logging - prefer using ftrace

Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com>
Link: https://lore.kernel.org/r/20240725130351.14877-1-riyandhiman14@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-07-30 09:20:44 +02:00
Jeff Johnson
f2278c6117 staging: fbtft: add missing MODULE_DESCRIPTION() macro 
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/fbtft/fbtft.o

Add the missing invocation of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240608-md-drivers-staging-fbtft-v1-1-e2ab70ec0614@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-06-24 15:18:01 +02:00
Linus Torvalds
be81389c82 Staging driver changes for 6.10-rc1 
Here is the big set of staging driver changes for 6.10-rc1.  Not a lot
 of cleanups happening this kernel release, intern applications must be
 out of sync at the moment.  But we did delete two drivers, wlan-ng and
 pi433, as they are no longer in use and the developers involved wanted
 them just gone entirely, allowing us to drop 19k lines from the tree.
 
 Other than the normal coding style cleanups here, there has been a lot
 of work on the vc04_services code, with the intent to finally get that
 out of staging hopefully soon.  It's getting closer, which is nice to
 see.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver changes for 6.10-rc1. Not a lot
  of cleanups happening this kernel release, intern applications must be
  out of sync at the moment. But we did delete two drivers, wlan-ng and
  pi433, as they are no longer in use and the developers involved wanted
  them just gone entirely, allowing us to drop 19k lines from the tree.

  Other than the normal coding style cleanups here, there has been a lot
  of work on the vc04_services code, with the intent to finally get that
  out of staging hopefully soon. It's getting closer, which is nice to
  see.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (98 commits)
  staging: pi433: Remove unused driver
  staging: vchiq_core: Add missing blank lines
  staging: vchiq_core: Drop unnecessary blank lines
  staging: vchiq_core: Add parentheses to VCHIQ_MSG_SRCPORT
  staging: vchiq_core: Use printk messages for devices
  staging: vchiq_arm: Drop unnecessary NULL check
  staging: vc04_services: Delete unnecessary NULL check
  staging: vc04_services: vchiq_arm: Fix NULL ptr dereferences
  Staging: rtl8192e: Rename variable DssCCk
  Staging: rtl8192e: Rename variable ExtHTCapInfo
  Staging: rtl8192e: Rename variable MPDUDensity
  Staging: rtl8192e: Rename variable MaxRxAMPDUFactor
  Staging: rtl8192e: Rename variable MaxAMSDUSize
  Staging: rtl8192e: Rename variable DelayBA
  Staging: rtl8192e: Rename variable RxSTBC
  Staging: rtl8192e: Rename variable TxSTBC
  Staging: rtl8192e: Rename variable GreenField
  Staging: rtl8192e: Rename variable ShortGI20Mhz
  Staging: rtl8192e: Rename variable ShortGI40Mhz
  Staging: rtl8192e: Rename variable MimoPwrSave
  ...
 2024-05-22 12:11:48 -07:00
Andy Shevchenko
aae7272403 fbtft: seps525: Don't use "proxy" headers 
Update header inclusions to follow IWYU (Include What You Use)
principle.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Link: https://lore.kernel.org/r/20240423173623.2748621-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-05-04 18:39:24 +02:00
Thomas Zimmermann
9a7bb61ffe staging: fbtft: Remove reference to fb_blank 
The field fb_blank in struct backlight_properties is deprecated and
should not be used. Don't output its value in the driver's debug print.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20240319093915.31778-6-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>
 2024-03-28 10:12:55 +00:00
Linus Torvalds
0a59b3f42e Staging driver cleanups for 6.9-rc1 
Here is the big set of Staging driver cleanups for 6.9-rc1.  Nothing
 major in here, lots of small coding style cleanups for most drivers, and
 the removal of some obsolete hardare (the emxx_udc and some
 drivers/staging/board/ files).
 
 All of these have been in linux-next for a long time with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of Staging driver cleanups for 6.9-rc1. Nothing
  major in here, lots of small coding style cleanups for most drivers,
  and the removal of some obsolete hardare (the emxx_udc and some
  drivers/staging/board/ files).

  All of these have been in linux-next for a long time with no reported
  issues"

* tag 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (122 commits)
  staging: greybus: Replaces directive __attribute__((packed)) by __packed as suggested by checkpatch
  staging: greybus: Replace __attribute__((packed)) by __packed in various instances
  Staging: rtl8192e: Rename function GetHalfNmodeSupportByAPsHandler()
  Staging: rtl8192e: Rename function rtllib_FlushRxTsPendingPkts()
  Staging: rtl8192e: Rename goto OnADDBARsp_Reject
  Staging: rtl8192e: Rename goto OnADDBAReq_Fail
  Staging: rtl8192e: Rename function rtllib_send_ADDBARsp()
  Staging: rtl8192e: Rename function rtllib_send_ADDBAReq()
  Staging: rtl8192e: Rename variable TxRxSelect
  Staging: rtl8192e: Fix 5 chckpatch alignment warnings in rtl819x_BAProc.c
  Staging: rtl8192e: Rename function MgntQuery_MgntFrameTxRate
  Staging: rtl8192e: Rename boolean variable bHalfWirelessN24GMode
  Staging: rtl8192e: Rename reference AllowAllDestAddrHandler
  Staging: rtl8192e: Rename varoable asSta
  Staging: rtl8192e: Rename varoable osCcxVerNum
  Staging: rtl8192e: Rename variable CcxAironetBuf
  Staging: rtl8192e: Rename variable osCcxAironetIE
  Staging: rtl8192e: Rename variable AironetIeOui
  Staging: rtl8192e: Rename variable asRsn
  Staging: rtl8192e: Rename variable CcxVerNumBuf
  ...
 2024-03-21 13:03:44 -07:00
Linus Torvalds
480e035fc4 drm for 6.9: 
core:
 - EDID cleanups
 - scheduler error handling fixes
 - managed: add drmm_release_action() with tests
 - add ratelimited drm debug print
 - DPCD PSR early transport macro
 - DP tunneling and bandwidth allocation helpers
 - remove built-in edids
 - dp: Avoid AUX transfers on powered-down displays
 - dp: Add VSC SDP helpers
 
 cross drivers:
 - use new drm print helpers
 - switch to ->read_edid callback
 - gem: add stats for shared buffers plus updates to amdgpu, i915, xe
 
 syncobj:
 - fixes to waiting and sleeping
 
 ttm:
 - add tests
 - fix errno codes
 - simply busy-placement handling
 - fix page decryption
 
 media:
 - tc358743: fix v4l device registration
 
 video:
 - move all kernel parameters for video behind CONFIG_VIDEO
 
 sound:
 - remove <drm/drm_edid.h> include from header
 
 ci:
 - add tests for msm
 - fix apq8016 runner
 
 efifb:
 - use copy of global screen_info state
 
 vesafb:
 - use copy of global screen_info state
 
 simplefb:
 - fix logging
 
 bridge:
 - ite-6505: fix DP link-training bug
 - samsung-dsim: fix error checking in probe
 - samsung-dsim: add bsh-smm-s2/pro boards
 - tc358767: fix regmap usage
 - imx: add i.MX8MP HDMI PVI plus DT bindings
 - imx: add i.MX8MP HDMI TX plus DT bindings
 - sii902x: fix probing and unregistration
 - tc358767: limit pixel PLL input range
 - switch to new drm_bridge_read_edid() interface
 
 panel:
 - ltk050h3146w: error-handling fixes
 - panel-edp: support delay between power-on and enable; use put_sync in
   unprepare; support Mediatek MT8173 Chromebooks, BOE NV116WHM-N49 V8.0,
   BOE NV122WUM-N41, CSO MNC207QS1-1 plus DT bindings
 - panel-lvds: support EDT ETML0700Z9NDHA plus DT bindings
 - panel-novatek: FRIDA FRD400B25025-A-CTK plus DT bindings
 - add BOE TH101MB31IG002-28A plus DT bindings
 - add EDT ETML1010G3DRA plus DT bindings
 - add Novatek NT36672E LCD DSI plus DT bindings
 - nt36523: support 120Hz timings, fix includes
 - simple: fix display timings on RK32FN48H
 - visionox-vtdr6130: fix initialization
 - add Powkiddy RGB10MAX3 plus DT bindings
 - st7703: support panel rotation plus DT bindings
 - add Himax HX83112A plus DT bindings
 - ltk500hd1829: add support for ltk101b4029w and admatec 9904370
 - simple: add BOE BP082WX1-100 8.2" panel plus DT bindungs
 
 panel-orientation-quirks:
 - GPD Win Mini
 
 amdgpu:
 - Validate DMABuf imports in compute VMs
 - Add RAS ACA framework
 - PSP 13 fixes
 - Misc code cleanups
 - Replay fixes
 - Atom interpretor PS, WS bounds checking
 - DML2 fixes
 - Audio fixes
 - DCN 3.5 Z state fixes
 - Remove deprecated ida_simple usage
 - UBSAN fixes
 - RAS fixes
 - Enable seq64 infrastructure
 - DC color block enablement
 - Documentation updates
 - DC documentation updates
 - DMCUB updates
 - ATHUB 4.1 support
 - LSDMA 7.0 support
 - JPEG DPG support
 - IH 7.0 support
 - HDP 7.0 support
 - VCN 5.0 support
 - SMU 13.0.6 updates
 - NBIO 7.11 updates
 - SDMA 6.1 updates
 - MMHUB 3.3 updates
 - DCN 3.5.1 support
 - NBIF 6.3.1 support
 - VPE 6.1.1 support
 
 amdkfd:
 - Validate DMABuf imports in compute VMs
 - SVM fixes
 - Trap handler updates and enhancements
 - Fix cache size reporting
 - Relocate the trap handler
 
 radeon:
 - Atom interpretor PS, WS bounds checking
 - Misc code cleanups
 
 xe:
 - new query for GuC submission version
 - Remove unused persistent exec_queues
 - Add vram frequency sysfs attributes
 - Add the flag XE_VM_BIND_FLAG_DUMPABLE
 - Drop pre-production workarounds
 - Drop kunit tests for unsupported platforms
 - Start pumbling SR-IOV support with memory based interrupts for VF
 - Allow to map BO in GGTT with PAT index corresponding to
   XE_CACHE_UC to work with memory based interrupts
 - Add GuC Doorbells Manager as prep work SR-IOV
 - Implement additional workarounds for xe2 and MTL
 - Program a few registers according to perfomance guide spec for Xe2
 - Fix remaining 32b build issues and enable it back
 - Fix build with CONFIG_DEBUG_FS=n
 - Fix warnings from GuC ABI headers
 - Introduce Relay Communication for SR-IOV for VF <-> GuC <-> PF
 - Release mmap mappings on rpm suspend
 - Disable mid-thread preemption when not properly supported by hardware
 - Fix xe_exec by reserving extra fence slot for CPU bind
 - Fix xe_exec with full long running exec queue
 - Canonicalize addresses where needed for Xe2 and add to devcoredum
 - Toggle USM support for Xe2
 - Only allow 1 ufence per exec / bind IOCTL
 - Add GuC firmware loading for Lunar Lake
 - Add XE_VMA_PTE_64K VMA flag
 
 i915:
 - Add more ADL-N PCI IDs
 - Enable fastboot also on older platforms
 - Early transport for panel replay and PSR
 - New ARL PCI IDs
 - DP TPS4 PHY test pattern support
 - Unify and improve VSC SDP for PSR and non-PSR cases
 - Refactor memory regions and improve debug logging
 - Rework global state serialization
 - Remove unused CDCLK divider fields
 - Unify HDCP connector logging format
 - Use display instead of graphics version in display code
 - Move VBT and opregion debugfs next to the implementation
 - Abstract opregion interface, use opaque type
 - MTL fixes
 - HPD handling fixes
 - Add GuC submission interface version query
 - Atomically invalidate userptr on mmu-notifier
 - Update handling of MMIO triggered reports
 - Don't make assumptions about intel_wakeref_t type
 - Extend driver code of Xe_LPG to Xe_LPG+
 - Add flex arrays to struct i915_syncmap
 - Allow for very slow HuC loading
 - DP tunneling and bandwidth allocation support
 
 msm:
 - Correct bindings for MSM8976 and SM8650 platforms
 - Start migration of MDP5 platforms to DPU driver
 - X1E80100 MDSS support
 - DPU:
 - Improve DSC allocation, fixing several important corner cases
 - Add support for SDM630/SDM660 platforms
 - Simplify dpu_encoder_phys_ops
 - Apply fixes targeting DSC support with a single DSC encoder
 - Apply fixes for HCTL_EN timing configuration
 - X1E80100 support
 - Add support for YUV420 over DP
 - GPU:
 - fix sc7180 UBWC config
 - fix a7xx LLC config
 - new gpu support: a305B, a750, a702
 - machine support: SM7150 (different power levels than other a618)
 - a7xx devcoredump support
 
 habanalabs:
 - configure IRQ affinity according to NUMA node
 - move HBM MMU page tables inside the HBM
 - improve device reset
 - check extended PCIe errors
 
 ivpu:
 - updates to firmware API
 - refactor BO allocation
 
 imx:
 - use devm_ functions during init
 
 hisilicon:
 - fix EDID includes
 
 mgag200:
 - improve ioremap usage
 - convert to struct drm_edid
 - Work around PCI write bursts
 
 nouveau:
 - disp: use kmemdup()
 - fix EDID includes
 - documentation fixes
 
 qaic:
 - fixes to BO handling
 - make use of DRM managed release
 - fix order of remove operations
 
 rockchip:
 - analogix_dp: get encoder port from DT
 - inno_hdmi: support HDMI for RK3128
 - lvds: error-handling fixes
 
 ssd130x:
 - support SSD133x plus DT bindings
 
 tegra:
 - fix error handling
 
 tilcdc:
 - make use of DRM managed release
 
 v3d:
 - show memory stats in debugfs
 - Support display MMU page size
 
 vc4:
 - fix error handling in plane prepare_fb
 - fix framebuffer test in plane helpers
 
 virtio:
 - add venus capset defines
 
 vkms:
 - fix OOB access when programming the LUT
 - Kconfig improvements
 
 vmwgfx:
 - unmap surface before changing plane state
 - fix memory leak in error handling
 - documentation fixes
 - list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid
 - fix null-pointer deref in execbuf
 - refactor display-mode probing
 - fix fencing for creating cursor MOBs
 - fix cursor-memory lifetime
 
 xlnx:
 - fix live video input for ZynqMP DPSUB
 
 lima:
 - fix memory leak
 
 loongson:
 - fail if no VRAM present
 
 meson:
 - switch to new drm_bridge_read_edid() interface
 
 renesas:
 - add RZ/G2L DU support plus DT bindings
 
 mxsfb:
 - Use managed mode config
 
 sun4i:
 - HDMI: updates to atomic mode setting
 
 mediatek:
 - Add display driver for MT8188 VDOSYS1
 - DSI driver cleanups
 - Filter modes according to hardware capability
 - Fix a null pointer crash in mtk_drm_crtc_finish_page_flip
 
 etnaviv:
 - enhancements for NPU and MRT support
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Merge tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "Highlights are usual, more AMD IP blocks for future hw, i915/xe
  changes, Displayport tunnelling support for i915, msm YUV over DP
  changes, new tests for ttm, but its mostly a lot of stuff all over the
  place from lots of people.

  core:
   - EDID cleanups
   - scheduler error handling fixes
   - managed: add drmm_release_action() with tests
   - add ratelimited drm debug print
   - DPCD PSR early transport macro
   - DP tunneling and bandwidth allocation helpers
   - remove built-in edids
   - dp: Avoid AUX transfers on powered-down displays
   - dp: Add VSC SDP helpers

  cross drivers:
   - use new drm print helpers
   - switch to ->read_edid callback
   - gem: add stats for shared buffers plus updates to amdgpu, i915, xe

  syncobj:
   - fixes to waiting and sleeping

  ttm:
   - add tests
   - fix errno codes
   - simply busy-placement handling
   - fix page decryption

  media:
   - tc358743: fix v4l device registration

  video:
   - move all kernel parameters for video behind CONFIG_VIDEO

  sound:
   - remove <drm/drm_edid.h> include from header

  ci:
   - add tests for msm
   - fix apq8016 runner

  efifb:
   - use copy of global screen_info state

  vesafb:
   - use copy of global screen_info state

  simplefb:
   - fix logging

  bridge:
   - ite-6505: fix DP link-training bug
   - samsung-dsim: fix error checking in probe
   - samsung-dsim: add bsh-smm-s2/pro boards
   - tc358767: fix regmap usage
   - imx: add i.MX8MP HDMI PVI plus DT bindings
   - imx: add i.MX8MP HDMI TX plus DT bindings
   - sii902x: fix probing and unregistration
   - tc358767: limit pixel PLL input range
   - switch to new drm_bridge_read_edid() interface

  panel:
   - ltk050h3146w: error-handling fixes
   - panel-edp: support delay between power-on and enable; use put_sync
     in unprepare; support Mediatek MT8173 Chromebooks, BOE NV116WHM-N49
     V8.0, BOE NV122WUM-N41, CSO MNC207QS1-1 plus DT bindings
   - panel-lvds: support EDT ETML0700Z9NDHA plus DT bindings
   - panel-novatek: FRIDA FRD400B25025-A-CTK plus DT bindings
   - add BOE TH101MB31IG002-28A plus DT bindings
   - add EDT ETML1010G3DRA plus DT bindings
   - add Novatek NT36672E LCD DSI plus DT bindings
   - nt36523: support 120Hz timings, fix includes
   - simple: fix display timings on RK32FN48H
   - visionox-vtdr6130: fix initialization
   - add Powkiddy RGB10MAX3 plus DT bindings
   - st7703: support panel rotation plus DT bindings
   - add Himax HX83112A plus DT bindings
   - ltk500hd1829: add support for ltk101b4029w and admatec 9904370
   - simple: add BOE BP082WX1-100 8.2" panel plus DT bindungs

  panel-orientation-quirks:
   - GPD Win Mini

  amdgpu:
   - Validate DMABuf imports in compute VMs
   - Add RAS ACA framework
   - PSP 13 fixes
   - Misc code cleanups
   - Replay fixes
   - Atom interpretor PS, WS bounds checking
   - DML2 fixes
   - Audio fixes
   - DCN 3.5 Z state fixes
   - Remove deprecated ida_simple usage
   - UBSAN fixes
   - RAS fixes
   - Enable seq64 infrastructure
   - DC color block enablement
   - Documentation updates
   - DC documentation updates
   - DMCUB updates
   - ATHUB 4.1 support
   - LSDMA 7.0 support
   - JPEG DPG support
   - IH 7.0 support
   - HDP 7.0 support
   - VCN 5.0 support
   - SMU 13.0.6 updates
   - NBIO 7.11 updates
   - SDMA 6.1 updates
   - MMHUB 3.3 updates
   - DCN 3.5.1 support
   - NBIF 6.3.1 support
   - VPE 6.1.1 support

  amdkfd:
   - Validate DMABuf imports in compute VMs
   - SVM fixes
   - Trap handler updates and enhancements
   - Fix cache size reporting
   - Relocate the trap handler

  radeon:
   - Atom interpretor PS, WS bounds checking
   - Misc code cleanups

  xe:
   - new query for GuC submission version
   - Remove unused persistent exec_queues
   - Add vram frequency sysfs attributes
   - Add the flag XE_VM_BIND_FLAG_DUMPABLE
   - Drop pre-production workarounds
   - Drop kunit tests for unsupported platforms
   - Start pumbling SR-IOV support with memory based interrupts for VF
   - Allow to map BO in GGTT with PAT index corresponding to XE_CACHE_UC
     to work with memory based interrupts
   - Add GuC Doorbells Manager as prep work SR-IOV
   - Implement additional workarounds for xe2 and MTL
   - Program a few registers according to perfomance guide spec for Xe2
   - Fix remaining 32b build issues and enable it back
   - Fix build with CONFIG_DEBUG_FS=n
   - Fix warnings from GuC ABI headers
   - Introduce Relay Communication for SR-IOV for VF <-> GuC <-> PF
   - Release mmap mappings on rpm suspend
   - Disable mid-thread preemption when not properly supported by
     hardware
   - Fix xe_exec by reserving extra fence slot for CPU bind
   - Fix xe_exec with full long running exec queue
   - Canonicalize addresses where needed for Xe2 and add to devcoredum
   - Toggle USM support for Xe2
   - Only allow 1 ufence per exec / bind IOCTL
   - Add GuC firmware loading for Lunar Lake
   - Add XE_VMA_PTE_64K VMA flag

  i915:
   - Add more ADL-N PCI IDs
   - Enable fastboot also on older platforms
   - Early transport for panel replay and PSR
   - New ARL PCI IDs
   - DP TPS4 PHY test pattern support
   - Unify and improve VSC SDP for PSR and non-PSR cases
   - Refactor memory regions and improve debug logging
   - Rework global state serialization
   - Remove unused CDCLK divider fields
   - Unify HDCP connector logging format
   - Use display instead of graphics version in display code
   - Move VBT and opregion debugfs next to the implementation
   - Abstract opregion interface, use opaque type
   - MTL fixes
   - HPD handling fixes
   - Add GuC submission interface version query
   - Atomically invalidate userptr on mmu-notifier
   - Update handling of MMIO triggered reports
   - Don't make assumptions about intel_wakeref_t type
   - Extend driver code of Xe_LPG to Xe_LPG+
   - Add flex arrays to struct i915_syncmap
   - Allow for very slow HuC loading
   - DP tunneling and bandwidth allocation support

  msm:
   - Correct bindings for MSM8976 and SM8650 platforms
   - Start migration of MDP5 platforms to DPU driver
   - X1E80100 MDSS support
   - DPU:
      - Improve DSC allocation, fixing several important corner cases
      - Add support for SDM630/SDM660 platforms
      - Simplify dpu_encoder_phys_ops
      - Apply fixes targeting DSC support with a single DSC encoder
      - Apply fixes for HCTL_EN timing configuration
      - X1E80100 support
      - Add support for YUV420 over DP
   - GPU:
      - fix sc7180 UBWC config
      - fix a7xx LLC config
      - new gpu support: a305B, a750, a702
      - machine support: SM7150 (different power levels than other a618)
      - a7xx devcoredump support

  habanalabs:
   - configure IRQ affinity according to NUMA node
   - move HBM MMU page tables inside the HBM
   - improve device reset
   - check extended PCIe errors

  ivpu:
   - updates to firmware API
   - refactor BO allocation

  imx:
   - use devm_ functions during init

  hisilicon:
   - fix EDID includes

  mgag200:
   - improve ioremap usage
   - convert to struct drm_edid
   - Work around PCI write bursts

  nouveau:
   - disp: use kmemdup()
   - fix EDID includes
   - documentation fixes

  qaic:
   - fixes to BO handling
   - make use of DRM managed release
   - fix order of remove operations

  rockchip:
   - analogix_dp: get encoder port from DT
   - inno_hdmi: support HDMI for RK3128
   - lvds: error-handling fixes

  ssd130x:
   - support SSD133x plus DT bindings

  tegra:
   - fix error handling

  tilcdc:
   - make use of DRM managed release

  v3d:
   - show memory stats in debugfs
   - Support display MMU page size

  vc4:
   - fix error handling in plane prepare_fb
   - fix framebuffer test in plane helpers

  virtio:
   - add venus capset defines

  vkms:
   - fix OOB access when programming the LUT
   - Kconfig improvements

  vmwgfx:
   - unmap surface before changing plane state
   - fix memory leak in error handling
   - documentation fixes
   - list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid
   - fix null-pointer deref in execbuf
   - refactor display-mode probing
   - fix fencing for creating cursor MOBs
   - fix cursor-memory lifetime

  xlnx:
   - fix live video input for ZynqMP DPSUB

  lima:
   - fix memory leak

  loongson:
   - fail if no VRAM present

  meson:
   - switch to new drm_bridge_read_edid() interface

  renesas:
   - add RZ/G2L DU support plus DT bindings

  mxsfb:
   - Use managed mode config

  sun4i:
   - HDMI: updates to atomic mode setting

  mediatek:
   - Add display driver for MT8188 VDOSYS1
   - DSI driver cleanups
   - Filter modes according to hardware capability
   - Fix a null pointer crash in mtk_drm_crtc_finish_page_flip

  etnaviv:
   - enhancements for NPU and MRT support"

* tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel: (1420 commits)
  drm/amd/display: Removed redundant @ symbol to fix kernel-doc warnings in -next repo
  drm/amd/pm: wait for completion of the EnableGfxImu message
  drm/amdgpu/soc21: add mode2 asic reset for SMU IP v14.0.1
  drm/amdgpu: add smu 14.0.1 support
  drm/amdgpu: add VPE 6.1.1 discovery support
  drm/amdgpu/vpe: add VPE 6.1.1 support
  drm/amdgpu/vpe: don't emit cond exec command under collaborate mode
  drm/amdgpu/vpe: add collaborate mode support for VPE
  drm/amdgpu/vpe: add PRED_EXE and COLLAB_SYNC OPCODE
  drm/amdgpu/vpe: add multi instance VPE support
  drm/amdgpu/discovery: add nbif v6_3_1 ip block
  drm/amdgpu: Add nbif v6_3_1 ip block support
  drm/amdgpu: Add pcie v6_1_0 ip headers (v5)
  drm/amdgpu: Add nbif v6_3_1 ip headers (v5)
  arch/powerpc: Remove <linux/fb.h> from backlight code
  macintosh/via-pmu-backlight: Include <linux/backlight.h>
  fbdev/chipsfb: Include <linux/backlight.h>
  drm/etnaviv: Restore some id values
  drm/amdkfd: make kfd_class constant
  drm/amdgpu: add ring timeout information in devcoredump
  ...
 2024-03-13 18:34:05 -07:00
Colin Ian King
7485b3e350 staging: fbtft: remove unused variable 'count' 
The variable count is being initialized and incremented but it is never
actually referenced in any other way. The variable is redundant and can
be removed.

Cleans up clang scan build warning:
drivers/staging/fbtft/fbtft-core.c:330:6: warning: variable 'count' set
but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240229120114.219085-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-03-05 14:11:53 +00:00
Thomas Zimmermann
009c95c82e staging/fbtft: Include <linux/backlight.h> 
Resolves the proxy include via <linux/fb.h>, which does not require the
backlight header.

v3:
	* fix grammar in commit message

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Helge Deller <deller@gmx.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240219093941.3684-4-tzimmermann@suse.de
 2024-02-28 09:59:27 +01:00
Uwe Kleine-König
bbd25d7260
staging: fbtft: Follow renaming of SPI "master" to "controller" 
In commit 8caab75fd2 ("spi: Generalize SPI "master" to "controller"")
some functions and struct members were renamed. To not break all drivers
compatibility macros were provided.

To be able to remove these compatibility macros push the renaming into
this driver.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/df79f22caf31d2c5ca2b15b33670323d1e1120c7.1707324794.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
 2024-02-08 11:54:54 +00:00
Linus Torvalds
4c7a0c95ad Staging driver updates for 6.7-rc1 
Here is the big set of staging driver updates for 6.7-rc1.  A bit bigger
 than 6.6 this time around, as it coincided with the Outreachy and
 mentorship application process, so we got a bunch of new developers
 sending in their first changes, which is nice to see.
 
 Also in here is a removal of the qlge ethernet driver, and the rtl8192u
 wireless driver.  Both of these were very old and no one was maintaining
 them, the wireless driver removal was due to no one using it anymore,
 and no hardware to be found, and is part of a larger effort to remove
 unused and old wifi drivers from the system.
 
 The qlge ethernet driver did have one user pop up after it was dropped,
 and we are working with the network mainainers to figure out what tree
 it will come back in from and who will be responsible for it, and if it
 really is being used or not.  Odds are it will show up in a network
 subsystem pull request after -rc1 is out, but we aren't sure yet.
 
 Other smaller changes in here are:
   - Lots of vc04_services work by Umang to clean up the mess created by
     the rpi developers long ago, bringing it almost into good enough
     shape to get out of staging, hopefully next major release, it's
     getting close.
   - rtl8192e variable cleanups and removal of unused code and structures
   - vme_user coding style cleanups
   - other small coding style cleanups to lots of the staging drivers
   - octeon typedef removals, and then last-minute revert when it was
     found to break the build in some configurations (it's a hard driver
     to build properly, none of the normal automated testing catches it.)
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 6.7-rc1. A bit
  bigger than 6.6 this time around, as it coincided with the Outreachy
  and mentorship application process, so we got a bunch of new
  developers sending in their first changes, which is nice to see.

  Also in here is a removal of the qlge ethernet driver, and the
  rtl8192u wireless driver. Both of these were very old and no one was
  maintaining them, the wireless driver removal was due to no one using
  it anymore, and no hardware to be found, and is part of a larger
  effort to remove unused and old wifi drivers from the system.

  The qlge ethernet driver did have one user pop up after it was
  dropped, and we are working with the network mainainers to figure out
  what tree it will come back in from and who will be responsible for
  it, and if it really is being used or not. Odds are it will show up in
  a network subsystem pull request after -rc1 is out, but we aren't sure
  yet.

  Other smaller changes in here are:

   - Lots of vc04_services work by Umang to clean up the mess created by
     the rpi developers long ago, bringing it almost into good enough
     shape to get out of staging, hopefully next major release, it's
     getting close.

   - rtl8192e variable cleanups and removal of unused code and
     structures

   - vme_user coding style cleanups

   - other small coding style cleanups to lots of the staging drivers

   - octeon typedef removals, and then last-minute revert when it was
     found to break the build in some configurations (it's a hard driver
     to build properly, none of the normal automated testing catches
     it.)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (256 commits)
  Revert "staging: octeon: remove typedef in enum cvmx_spi_mode_t"
  Revert "staging: octeon: remove typedef in enum cvmx_helper_interface_mode_t"
  Revert "staging: octeon: remove typedef in enum cvmx_pow_wait_t"
  Revert "staging: octeon: remove typedef in struct cvmx_pko_lock_t"
  Revert "staging: octeon: remove typedef in enum cvmx_pko_status_t"
  Revert "staging: octeon: remove typedef in structs cvmx_pip_port_status_t and cvmx_pko_port_status_t"
  staging: vt6655: Type encoding info dropped from variable name "byRxRate"
  staging: vt6655: Type encoding info dropped from function name "CARDbUpdateTSF"
  staging: vt6655: Type encoding info dropped from function name "CARDvSetRSPINF"
  staging: vt6655: Type encoding info dropped from function name "CARDbyGetPktType"
  staging: vt6655: Type encoding info dropped from variable name "byPacketType"
  staging: vt6655: Type encoding info dropped from function name "CARDbSetPhyParameter"
  staging: vt6655: Type encoding info dropped from variable name "pbyRsvTime"
  staging: vt6655: Type encoding info dropped from variable name "pbyTxRate"
  staging: vt6655: Type encoding info dropped from function name "s_vCalculateOFDMRParameter"
  staging: vt6655: Type encoding info dropped from array name "cwRXBCNTSFOff"
  staging: fbtft: Convert to platform remove callback returning void
  staging: olpc_dcon: Remove I2C_CLASS_DDC support
  staging: vc04_services: use snprintf instead of sprintf
  staging: rtl8192e: Fix line break issue at priv->rx_buf[priv->rx_idx]
  ...
 2023-11-03 15:31:04 -10:00
Uwe Kleine-König
b83b736825 staging: fbtft: Convert to platform remove callback returning void 
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.

The function fbtft_driver_remove_pdev() (that exists several times as it's
part of a macro expansion) returns zero unconditionally, so it can be
trivially converted to return void without semantic changes.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231026214407.2508590-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-10-27 13:10:11 +02:00
Dave Airlie
f107ff76a8 Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next 
drm-misc-next for v6.7-rc1:

UAPI Changes:
- Nouveau changed to not set NO_PREFETCH flag explicitly.

Cross-subsystem Changes:
- Update documentation of dma-buf intro and uapi.
- fbdev/sbus fixes.
- Use initializer macros in a lot of fbdev drivers.
- Add Boris Brezillon as Panfrost driver maintainer.
- Add Jessica Zhang as drm/panel reviewer.
- Make more fbdev drivers use fb_ops helpers for deferred io.
- Small hid trailing whitespace fix.
- Use fb_ops in hid/picolcd

Core Changes:
- Assorted small fixes to ttm tests, drm/mst.
- Documentation updates to bridge.
- Add kunit tests for some drm_fb functions.
- Rework drm_debugfs implementation.
- Update xe documentation to mark todos as completed.

Driver Changes:
- Add support to rockchip for rv1126 mipi-dsi and vop.
- Assorted small fixes to nouveau, bridge/samsung-dsim,
  bridge/lvds-codec, loongson, rockchip, panfrost, gma500, repaper,
  komeda, virtio, ssd130x.
- Add support for simple panels Mitsubishi AA084XE01,
  JDI LPM102A188A,
- Documentation updates to accel/ivpu.
- Some nouveau scheduling/fence fixes.
- Power management related fixes and other fixes to ivpu.
- Assorted bridge/it66121 fixes.
- Make platform drivers return void in remove() callback.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3da6554b-3b47-fe7d-c4ea-21f4f819dbb6@linux.intel.com
 2023-09-22 16:28:36 +10:00
Thomas Zimmermann
c3ba2ada13 staging/fbtft: Use fb_ops helpers for deferred I/O 
Generate callback functions for struct fb_ops with the fbdev macro
FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(). Initialize struct fb_ops to
the generated functions with an fbdev initializer macro.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828132131.29295-9-tzimmermann@suse.de
 2023-09-05 14:14:04 +02:00
Thomas Zimmermann
b1adff68e3 staging/fbtft: Initialize fb_op struct as static const 
Replace dynamic allocation of the fb_ops instance with static
allocation. Initialize the fields at module-load time. The owner
field changes to THIS_MODULE, as in all other fbdev drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828132131.29295-8-tzimmermann@suse.de
 2023-09-05 14:14:03 +02:00
Dave Airlie
fdebffeba8 Linux 6.5-rc7 
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BackMerge tag 'v6.5-rc7' into drm-next

Linux 6.5-rc7

This is needed for the CI stuff and the msm pull has fixes in it.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2023-08-24 07:26:06 +10:00
Raphael Gallais-Pou
4912649e1c staging: fbtft: ili9341: use macro FBTFT_REGISTER_SPI_DRIVER 
Using FBTFT_REGISTER_DRIVER resolves to a NULL struct spi_device_id. This
ultimately causes a warning when the module probes. Fixes it.

Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Link: https://lore.kernel.org/r/20230718172024.67488-1-rgallaispou@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-07-27 09:53:37 +02:00
Thomas Zimmermann
cdeb052cdb staging: Remove flag FBINFO_FLAG_DEFAULT from fbdev drivers 
The flag FBINFO_FLAG_DEFAULT is 0 and has no effect, as struct
fbinfo.flags has been allocated to zero by framebuffer_alloc(). So do
not set it.

Flags should signal differences from the default values. After cleaning
up all occurrences of FBINFO_DEFAULT, the token will be removed.

v2:
	* fix commit message (Miguel)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Teddy Wang <teddy.wang@siliconmotion.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230715185343.7193-13-tzimmermann@suse.de
 2023-07-24 16:50:39 +02:00
Thomas Zimmermann
701d2054fa fbdev: Make support for userspace interfaces configurable 
Add Kconfig option CONFIG_FB_DEVICE and make the virtual fbdev
device optional. If the new option has not been selected, fbdev
does not create files in devfs, sysfs or procfs.

Most modern Linux systems run a DRM-based graphics stack that uses
the kernel's framebuffer console, but has otherwise deprecated fbdev
support. Yet fbdev userspace interfaces are still present.

The option makes it possible to use the fbdev subsystem as console
implementation without support for userspace. This closes potential
entry points to manipulate kernel or I/O memory via framebuffers. It
also prevents the execution of driver code via ioctl or sysfs, both
of which might allow malicious software to exploit bugs in the fbdev
code.

A small number of fbdev drivers require struct fbinfo.dev to be
initialized, usually for the support of sysfs interface. Make these
drivers depend on FB_DEVICE. They can later be fixed if necessary.

v3:
	* effect -> affect in Kconfig help (Daniel)
v2:
	* set FB_DEVICE default to y (Geert)
	* comment on {get,put}_device() (Sam)
	* Kconfig fixes (Sam)
	* add TODO item about FB_DEVICE dependencies (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-39-tzimmermann@suse.de
 2023-06-27 09:58:51 +02:00
Amit Kumar Mahapatra
caa9d3475b
staging: Replace all spi->chip_select and spi->cs_gpiod references with function call 
Supporting multi-cs in spi drivers would require the chip_select & cs_gpiod
members of struct spi_device to be an array. But changing the type of these
members to array would break the spi driver functionality. To make the
transition smoother introduced four new APIs to get/set the
spi->chip_select & spi->cs_gpiod and replaced all spi->chip_select and
spi->cs_gpiod references with get or set API calls.
While adding multi-cs support in further patches the chip_select & cs_gpiod
members of the spi_device structure would be converted to arrays & the
"idx" parameter of the APIs would be used as array index i.e.,
spi->chip_select[idx] & spi->cs_gpiod[idx] respectively.

Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20230310173217.3429788-6-amit.kumar-mahapatra@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2023-03-11 12:34:05 +00:00
Peter Suti
81e878887f staging: fbtft: core: set smem_len before fb_deferred_io_init call 
The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before
initializing info->fix.smem_len.  It is set to zero by the
framebuffer_alloc() function.  It will trigger a WARN_ON() at the
start of fb_deferred_io_init() and the function will not do anything.

Fixes: 856082f021 ("fbdev: defio: fix the pagelist corruption")
Signed-off-by: Peter Suti <peter.suti@streamunlimited.com>
Link: https://lore.kernel.org/r/20220727073550.1491126-1-peter.suti@streamunlimited.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-07-28 10:42:42 +02:00
Stephen Kitt
66d653c372 staging: ftbft: Use backlight helper 
backlight_properties.fb_blank is deprecated. The states it represents
are handled by other properties; but instead of accessing those
properties directly, drivers should use the helpers provided by
backlight.h.

Instead of manually checking the power state in struct
backlight_properties, use backlight_is_blank().

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Len Baker <len.baker@gmx.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org
Cc: linux-staging@lists.linux.dev
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lore.kernel.org/r/20220607185516.1129900-1-steve@sk2.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-06-10 09:01:03 +02:00
Thomas Zimmermann
e2d8b4289c fbdev: Use pageref offset for deferred-I/O writeback 
Use pageref->offset instead of page->index for deferred-I/O writeback
where appropriate. Distinguishes between file-mapping offset and video-
memory offset. While at it, also remove unnecessary references to
struct page.

Fbdev's deferred-I/O code uses the two related page->index and
pageref->offset. The former is the page offset in the mapped file,
the latter is the byte offset in the video memory (or fbdev screen
buffer). It's the same value for fbdev drivers, but for DRM the values
can be different. Because GEM buffer objects are mapped at an offset
in the DRM device file, page->index has this offset added to it as well.
We currently don't hit this case in DRM, because all affected mappings
of GEM memory are performed with an internal, intermediate shadow buffer.

The value of page->index is required by page_mkclean(), which we
call to reset the mappings during the writeback phase of the deferred
I/O. The value of pageref->offset is for conveniently getting an offset
into video memory in fb helpers.

v4:
	* fix commit message (Javier)

Suggested-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-6-tzimmermann@suse.de
 2022-05-03 16:04:22 +02:00
Thomas Zimmermann
e80eec1b87 fbdev: Rename pagelist to pagereflist for deferred I/O 
Rename various instances of pagelist to pagereflist. The list now
stores pageref structures, so the new name is more appropriate.

In their write-back helpers, several fbdev drivers refer to the
pageref list in struct fb_deferred_io instead of using the one
supplied as argument to the function. Convert them over to the
supplied one. It's the same instance, so no change of behavior
occurs.

v4:
	* fix commit message (Javier)

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-5-tzimmermann@suse.de
 2022-05-03 16:04:22 +02:00
Thomas Zimmermann
56c134f7f1 fbdev: Track deferred-I/O pages in pageref struct 
Store the per-page state for fbdev's deferred I/O in struct
fb_deferred_io_pageref. Maintain a list of pagerefs for the pages
that have to be written back to video memory. Update all affected
drivers.

As with pages before, fbdev acquires a pageref when an mmaped page
of the framebuffer is being written to. It holds the pageref in a
list of all currently written pagerefs until it flushes the written
pages to video memory. Writeback occurs periodically. After writeback
fbdev releases all pagerefs and builds up a new dirty list until the
next writeback occurs.

Using pagerefs has a number of benefits.

For pages of the framebuffer, the deferred I/O code used struct
page.lru as an entry into the list of dirty pages. The lru field is
owned by the page cache, which makes deferred I/O incompatible with
some memory pages (e.g., most notably DRM's GEM SHMEM allocator).
struct fb_deferred_io_pageref now provides an entry into a list of
dirty framebuffer pages, freeing lru for use with the page cache.

Drivers also assumed that struct page.index is the page offset into
the framebuffer. This is not true for DRM buffers, which are located
at various offset within a mapped area. struct fb_deferred_io_pageref
explicitly stores an offset into the framebuffer. struct page.index
is now only the page offset into the mapped area.

These changes will allow DRM to use fbdev deferred I/O without an
intermediate shadow buffer.

v3:
	* use pageref->offset for sorting
	* fix grammar in comment
v2:
	* minor fixes in commit message

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-3-tzimmermann@suse.de
 2022-05-03 16:04:22 +02:00
Thomas Zimmermann
5905585103 fbdev: Put mmap for deferred I/O into drivers 
The fbdev mmap function fb_mmap() unconditionally overrides the
driver's implementation if deferred I/O has been activated. This
makes it hard to implement mmap with anything but a vmalloc()'ed
software buffer. That is specifically a problem for DRM, where
video memory is maintained by a memory manager.

Leave the mmap handling to drivers and expect them to call the
helper for deferred I/O by thmeselves.

v4:
	* unlock mm_lock in fb_mmap() error path (Dan)
v3:
	* fix warning if fb_mmap is missing (kernel test robot)
v2:
	* print a helpful error message if the defio setup is
	  incorrect (Javier)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220429100834.18898-2-tzimmermann@suse.de
 2022-05-03 16:04:21 +02:00
Linus Torvalds
dfdc1de642 Staging driver update for 5.18-rc1 
Here is the big set of staging driver updates for 5.18-rc1.
 
 Loads of tiny cleanups for almost all staging drivers in here, nothing
 major at all.  Highlights include:
 	- remove the ashmem Android driver.  It is long-dead and if
 	  there are any legacy userspace applications still using it,
 	  the Android kernel images will maintain it, the community
 	  shouldn't care about it anymore
 	- wfx wifi driver major cleanups.  Should be ready to merge out
 	  of staging soon, and will coordinate with the wifi maintainers
 	  after -rc1 is out
 	- major cleanups and unwinding of the layers of the r8188eu
 	  driver.  It's amazing just how many unneeded layers of
 	  abstraction is in there, just when we think it's done, another
 	  is found...
 	- lots of tiny coding style cleanups in many other staging
 	  drivers.
 
 There will be merge conflict with a fbtft change and the spi driver
 changes in your tree, but it's pretty obvious what to do (the function
 shouldn't return anything.)
 
 All have been in linux-next for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 5.18-rc1.

  Loads of tiny cleanups for almost all staging drivers in here, nothing
  major at all. Highlights include:

   - remove the ashmem Android driver. It is long-dead and if there are
     any legacy userspace applications still using it, the Android
     kernel images will maintain it, the community shouldn't care about
     it anymore

   - wfx wifi driver major cleanups. Should be ready to merge out of
     staging soon, and will coordinate with the wifi maintainers after
     -rc1 is out

   - major cleanups and unwinding of the layers of the r8188eu driver.
     It's amazing just how many unneeded layers of abstraction is in
     there, just when we think it's done, another is found...

   - lots of tiny coding style cleanups in many other staging drivers.

  All have been in linux-next for a while with no reported problems"

* tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (455 commits)
  staging: r8188eu: remove unnecessary memset in r8188eu
  staging: greybus: introduce pwm_ops::apply
  staging: rts5208: Resolve checkpatch.pl issues.
  staging: sm750fb: fix naming style
  staging: fbtft: Consider type of init sequence values in fbtft_init_display()
  staging: fbtft: Constify buf parameter in fbtft_dbg_hex()
  staging: mmal-vchiq: clear redundant item named bulk_scratch
  mips: dts: ralink: add MT7621 SoC
  staging: r8188eu: remove some unused local ieee80211 macros
  staging: r8188eu: make rtl8188e_process_phy_info static
  staging: r8188eu: remove unused function prototype
  staging: r8188eu: remove three unused receive defines
  staging: r8188eu: remove unnecessary initializations
  staging: rtl8192e: Fix spelling mistake "RESQUEST" -> "REQUEST"
  MAINTAINERS: remove the obsolete file entry for staging in ANDROID DRIVERS
  staging: r8188eu: proper error handling in rtw_init_drv_sw
  staging: r8188eu: call _cancel_timer_ex from _rtw_free_recv_priv
  staging: vt6656: Removed unused variable vt3342_vnt_threshold
  staging: vt6656: Removed unused variable bb_vga_0
  staging: remove ashmem
  ...
 2022-03-28 12:50:50 -07:00
Linus Torvalds
b14ffae378 drm for 5.18-rc1 
dma-buf:
 - rename dma-buf-map to iosys-map
 
 core:
 - move buddy allocator to core
 - add pci/platform init macros
 - improve EDID parser deep color handling
 - EDID timing type 7 support
 - add GPD Win Max quirk
 - add yes/no helpers to string_helpers
 - flatten syncobj chains
 - add nomodeset support to lots of drivers
 - improve fb-helper clipping support
 - add default property value interface
 
 fbdev:
 - improve fbdev ops speed
 
 ttm:
 - add a backpointer from ttm bo->ttm resource
 
 dp:
 - move displayport headers
 - add a dp helper module
 
 bridge:
 - anx7625 atomic support, HDCP support
 
 panel:
 - split out panel-lvds and lvds bindings
 - find panels in OF subnodes
 
 privacy:
 - add chromeos privacy screen support
 
 fb:
 - hot unplug fw fb on forced removal
 
 simpledrm:
 - request region instead of marking ioresource busy
 - add panel oreintation property
 
 udmabuf:
 - fix oops with 0 pages
 
 amdgpu:
 - power management code cleanup
 - Enable freesync video mode by default
 - RAS code cleanup
 - Improve VRAM access for debug using SDMA
 - SR-IOV rework special register access and fixes
 - profiling power state request ioctl
 - expose IP discovery via sysfs
 - Cyan skillfish updates
 - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
 - expose benchmark tests via debugfs
 - add module param to disable XGMI for testing
 - GPU reset debugfs register dumping support
 
 amdkfd:
 - CRIU support
 - SDMA queue fixes
 
 radeon:
 - UVD suspend fix
 - iMac backlight fix
 
 i915:
 - minimal parallel submission for execlists
 - DG2-G12 subplatform added
 - DG2 programming workarounds
 - DG2 accelerated migration support
 - flat CCS and CCS engine support for XeHP
 - initial small BAR support
 - drop fake LMEM support
 - ADL-N PCH support
 - bigjoiner updates
 - introduce VMA resources and async unbinding
 - register definitions cleanups
 - multi-FBC refactoring
 - DG1 OPROM over SPI support
 - ADL-N platform enabling
 - opregion mailbox #5 support
 - DP MST ESI improvements
 - drm device based logging
 - async flip optimisation for DG2
 - CPU arch abstraction fixes
 - improve GuC ADS init to work on aarch64
 - tweak TTM LRU priority hint
 - GuC 69.0.3 support
 - remove short term execbuf pins
 
 nouveau:
 - higher DP/eDP bitrates
 - backlight fixes
 
 msm:
 - dpu + dp support for sc8180x
 - dp support for sm8350
 - dpu + dsi support for qcm2290
 - 10nm dsi phy tuning support
 - bridge support for dp encoder
 - gpu support for additional 7c3 SKUs
 
 ingenic:
 - HDMI support for JZ4780
 - aux channel EDID support
 
 ast:
 - AST2600 support
 - add wide screen support
 - create DP/DVI connectors
 
 omapdrm:
 - fix implicit dma_buf fencing
 
 vc4:
 - add CSC + full range support
 - better display firmware handoff
 
 panfrost:
 - add initial dual-core GPU support
 
 stm:
 - new revision support
 - fb handover support
 
 mediatek:
 - transfer display binding document to yaml format.
 - add mt8195 display device binding.
 - allow commands to be sent during video mode.
 - add wait_for_event for crtc disable by cmdq.
 
 tegra:
 - YUV format support
 
 rcar-du:
 - LVDS support for M3-W+ (R8A77961)
 
 exynos:
 - BGR pixel format for FIMD device
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Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of work all over, Intel improving DG2 support, amdkfd CRIU
  support, msm new hw support, and faster fbdev support.

  dma-buf:
   - rename dma-buf-map to iosys-map

  core:
   - move buddy allocator to core
   - add pci/platform init macros
   - improve EDID parser deep color handling
   - EDID timing type 7 support
   - add GPD Win Max quirk
   - add yes/no helpers to string_helpers
   - flatten syncobj chains
   - add nomodeset support to lots of drivers
   - improve fb-helper clipping support
   - add default property value interface

  fbdev:
   - improve fbdev ops speed

  ttm:
   - add a backpointer from ttm bo->ttm resource

  dp:
   - move displayport headers
   - add a dp helper module

  bridge:
   - anx7625 atomic support, HDCP support

  panel:
   - split out panel-lvds and lvds bindings
   - find panels in OF subnodes

  privacy:
   - add chromeos privacy screen support

  fb:
   - hot unplug fw fb on forced removal

  simpledrm:
   - request region instead of marking ioresource busy
   - add panel oreintation property

  udmabuf:
   - fix oops with 0 pages

  amdgpu:
   - power management code cleanup
   - Enable freesync video mode by default
   - RAS code cleanup
   - Improve VRAM access for debug using SDMA
   - SR-IOV rework special register access and fixes
   - profiling power state request ioctl
   - expose IP discovery via sysfs
   - Cyan skillfish updates
   - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
   - expose benchmark tests via debugfs
   - add module param to disable XGMI for testing
   - GPU reset debugfs register dumping support

  amdkfd:
   - CRIU support
   - SDMA queue fixes

  radeon:
   - UVD suspend fix
   - iMac backlight fix

  i915:
   - minimal parallel submission for execlists
   - DG2-G12 subplatform added
   - DG2 programming workarounds
   - DG2 accelerated migration support
   - flat CCS and CCS engine support for XeHP
   - initial small BAR support
   - drop fake LMEM support
   - ADL-N PCH support
   - bigjoiner updates
   - introduce VMA resources and async unbinding
   - register definitions cleanups
   - multi-FBC refactoring
   - DG1 OPROM over SPI support
   - ADL-N platform enabling
   - opregion mailbox #5 support
   - DP MST ESI improvements
   - drm device based logging
   - async flip optimisation for DG2
   - CPU arch abstraction fixes
   - improve GuC ADS init to work on aarch64
   - tweak TTM LRU priority hint
   - GuC 69.0.3 support
   - remove short term execbuf pins

  nouveau:
   - higher DP/eDP bitrates
   - backlight fixes

  msm:
   - dpu + dp support for sc8180x
   - dp support for sm8350
   - dpu + dsi support for qcm2290
   - 10nm dsi phy tuning support
   - bridge support for dp encoder
   - gpu support for additional 7c3 SKUs

  ingenic:
   - HDMI support for JZ4780
   - aux channel EDID support

  ast:
   - AST2600 support
   - add wide screen support
   - create DP/DVI connectors

  omapdrm:
   - fix implicit dma_buf fencing

  vc4:
   - add CSC + full range support
   - better display firmware handoff

  panfrost:
   - add initial dual-core GPU support

  stm:
   - new revision support
   - fb handover support

  mediatek:
   - transfer display binding document to yaml format.
   - add mt8195 display device binding.
   - allow commands to be sent during video mode.
   - add wait_for_event for crtc disable by cmdq.

  tegra:
   - YUV format support

  rcar-du:
   - LVDS support for M3-W+ (R8A77961)

  exynos:
   - BGR pixel format for FIMD device"

* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
  drm/i915/display: Do not re-enable PSR after it was marked as not reliable
  drm/i915/display: Fix HPD short pulse handling for eDP
  drm/amdgpu: Use drm_mode_copy()
  drm/radeon: Use drm_mode_copy()
  drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
  drm/amdgpu: Remove pointless on stack mode copies
  drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
  drm/amdgpu/dc: fix typos in comments
  drm/amdgpu: fix typos in comments
  drm/amd/pm: fix typos in comments
  drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
  drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
  drm/amdkfd: evict svm bo worker handle error
  drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
  drm/amdgpu: only allow secure submission on rings which support that
  drm/amdgpu: fixed the warnings reported by kernel test robot
  drm/amd/display: 3.2.177
  drm/amd/display: [FW Promotion] Release 0.0.108.0
  drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
  drm/amd/display: Wait for hubp read line for Pollock
  ...
 2022-03-24 16:19:43 -07:00
Linus Torvalds
ad9c6ee642 spi: Updates for v5.18 
The overwhelming bulk of this pull request is a change from Uwe
 Kleine-König which changes the return type of the remove() function to
 void as part of some wider work he's doing to do this for all bus types,
 causing updates to most SPI device drivers.  The branch with that on has
 been cross merged with a couple of other trees which added new SPI
 drivers this cycle, I'm not expecting any build issues resulting from
 the change.
 
 Otherwise it's been a relatively quiet release with some new device
 support, a few minor features and the welcome completion of the
 conversion of the subsystem to use GPIO descriptors rather than numbers:
 
  - Change return type of remove() to void.
  - Completion of the conversion of SPI controller drivers to use GPIO
    descriptors rather than numbers.
  - Quite a few DT schema conversions.
  - Support for multiple SPI devices on a bus in ACPI systems.
  - Big overhaul of the PXA2xx SPI driver.
  - Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
    MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
    Sunplus SP7021.
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Merge tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The overwhelming bulk of this pull request is a change from Uwe
  Kleine-König which changes the return type of the remove() function to
  void as part of some wider work he's doing to do this for all bus
  types, causing updates to most SPI device drivers. The branch with
  that on has been cross merged with a couple of other trees which added
  new SPI drivers this cycle, I'm not expecting any build issues
  resulting from the change.

  Otherwise it's been a relatively quiet release with some new device
  support, a few minor features and the welcome completion of the
  conversion of the subsystem to use GPIO descriptors rather than
  numbers:

   - Change return type of remove() to void.

   - Completion of the conversion of SPI controller drivers to use GPIO
     descriptors rather than numbers.

   - Quite a few DT schema conversions.

   - Support for multiple SPI devices on a bus in ACPI systems.

   - Big overhaul of the PXA2xx SPI driver.

   - Support for AMD AMDI0062, Intel Raptor Lake, Mediatek MT7986 and
     MT8186, nVidia Tegra210 and Tegra234, Renesas RZ/V2L, Tesla FSD and
     Sunplus SP7021"

[ And this is obviously where that spi change that snuck into the
  regulator tree _should_ have been :^]

* tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (124 commits)
  spi: fsi: Implement a timeout for polling status
  spi: Fix erroneous sgs value with min_t()
  spi: tegra20: Use of_device_get_match_data()
  spi: mediatek: add ipm design support for MT7986
  spi: Add compatible for MT7986
  spi: sun4i: fix typos in comments
  spi: mediatek: support tick_delay without enhance_timing
  spi: Update clock-names property for arm pl022
  spi: rockchip-sfc: fix platform_get_irq.cocci warning
  spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
  spi: dt-bindings: samsung: Add fsd spi compatible
  spi: topcliff-pch: Prevent usage of potentially stale DMA device
  spi: tegra210-quad: combined sequence mode
  spi: tegra210-quad: add acpi support
  spi: npcm-fiu: Fix typo ("npxm")
  spi: Fix Tegra QSPI example
  spi: qup: replace spin_lock_irqsave by spin_lock in hard IRQ
  spi: cadence: fix platform_get_irq.cocci warning
  spi: Update NXP Flexspi maintainer details
  dt-bindings: mfd: maxim,max77802: Convert to dtschema
  ...
 2022-03-21 18:33:57 -07:00
Andy Shevchenko
362e54e48b staging: fbtft: Consider type of init sequence values in fbtft_init_display() 
In the fbtft_init_display() the init sequence is printed for
the debug purposes. Unfortunately the current code doesn't take
into account that values in the buffer are of the s16 type.

Consider that and replace the printing code with fbtft_par_dbg_hex()
call.

Fixes: b888897014 ("staging/fbtft: Remove all strcpy() uses")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220316165351.58107-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-03-18 13:42:48 +01:00
Andy Shevchenko
0e8cf2be5c staging: fbtft: Constify buf parameter in fbtft_dbg_hex() 
It's obvious that we don't and shouldn't modify buffer that
is about to be dumped. Constify parameter in fbtft_dbg_hex()
to make it clear.

Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220316165351.58107-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-03-18 13:42:48 +01:00
Greg Kroah-Hartman
dbbe23c319 Merge 5.17-rc6 into staging-next 
We need the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-02-28 08:44:22 +01:00
Dave Airlie
6c64ae228f Linux 5.17-rc6 
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Backmerge tag 'v5.17-rc6' into drm-next

This backmerges v5.17-rc6 so I can merge some amdgpu and some tegra changes on top.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2022-02-28 14:57:14 +10:00
Dave Airlie
54f43c17d6 drm-misc-next for v5.18: 
UAPI Changes:
 
 Cross-subsystem Changes:
 - Split out panel-lvds and lvds dt bindings .
 - Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
   and use it in drivers and tomoyo.
 - Clarify dma_fence_chain and dma_fence_array should never include eachother.
 - Flatten chains in syncobj's.
 - Don't double add in fbdev/defio when page is already enlisted.
 - Don't sort deferred-I/O pages by default in fbdev.
 
 Core Changes:
 - Fix missing pm_runtime_put_sync in bridge.
 - Set modifier support to only linear fb modifier if drivers don't
   advertise support.
 - As a result, we remove allow_fb_modifiers.
 - Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
 - Assorted documentation updates.
 - Warn once in drm_clflush if there is no arch support.
 - Add missing select for dp helper in drm_panel_edp.
 - Assorted small fixes.
 - Improve fb-helper's clipping handling.
 - Don't dump shmem mmaps in a core dump.
 - Add accounting to ttm resource manager, and use it in amdgpu.
 - Allow querying the detected eDP panel through debugfs.
 - Add helpers for xrgb8888 to 8 and 1 bits gray.
 - Improve drm's buddy allocator.
 - Add selftests for the buddy allocator.
 
 Driver Changes:
 - Add support for nomodeset to a lot of drm drivers.
 - Use drm_module_*_driver in a lot of drm drivers.
 - Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
   bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
 - Add bridge/it6505.
 - Create DP and DVI-I connectors in ast.
 - Assorted nouveau backlight fixes.
 - Rework amdgpu reset handling.
 - Add dt bindings for ingenic,jz4780-dw-hdmi.
 - Support reading edid through aux channel in ingenic.
 - Add a drm driver for Solomon SSD130x OLED displays.
 - Add simple support for sharp LQ140M1JW46.
 - Add more panels to nt35560.
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Merge tag 'drm-misc-next-2022-02-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.18:

UAPI Changes:

Cross-subsystem Changes:
- Split out panel-lvds and lvds dt bindings .
- Put yes/no on/off disabled/enabled strings in linux/string_helpers.h
  and use it in drivers and tomoyo.
- Clarify dma_fence_chain and dma_fence_array should never include eachother.
- Flatten chains in syncobj's.
- Don't double add in fbdev/defio when page is already enlisted.
- Don't sort deferred-I/O pages by default in fbdev.

Core Changes:
- Fix missing pm_runtime_put_sync in bridge.
- Set modifier support to only linear fb modifier if drivers don't
  advertise support.
- As a result, we remove allow_fb_modifiers.
- Add missing clear for EDID Deep Color Modes in drm_reset_display_info.
- Assorted documentation updates.
- Warn once in drm_clflush if there is no arch support.
- Add missing select for dp helper in drm_panel_edp.
- Assorted small fixes.
- Improve fb-helper's clipping handling.
- Don't dump shmem mmaps in a core dump.
- Add accounting to ttm resource manager, and use it in amdgpu.
- Allow querying the detected eDP panel through debugfs.
- Add helpers for xrgb8888 to 8 and 1 bits gray.
- Improve drm's buddy allocator.
- Add selftests for the buddy allocator.

Driver Changes:
- Add support for nomodeset to a lot of drm drivers.
- Use drm_module_*_driver in a lot of drm drivers.
- Assorted small fixes to bridge/lt9611, v3d, vc4, vmwgfx, mxsfb, nouveau,
  bridge/dw-hdmi, panfrost, lima, ingenic, sprd, bridge/anx7625, ti-sn65dsi86.
- Add bridge/it6505.
- Create DP and DVI-I connectors in ast.
- Assorted nouveau backlight fixes.
- Rework amdgpu reset handling.
- Add dt bindings for ingenic,jz4780-dw-hdmi.
- Support reading edid through aux channel in ingenic.
- Add a drm driver for Solomon SSD130x OLED displays.
- Add simple support for sharp LQ140M1JW46.
- Add more panels to nt35560.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/686ec871-e77f-c230-22e5-9e3bb80f064a@linux.intel.com
 2022-02-25 05:50:18 +10:00
Thomas Zimmermann
8c30e2d81b fbdev: Don't sort deferred-I/O pages by default 
Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
significant overhead. Make the sorting step optional and update the few
drivers that require it. Use a FIFO list by default.

Most fbdev drivers with deferred I/O build a bounding rectangle around
the dirty pages or simply flush the whole screen. The only two affected
DRM drivers, generic fbdev and vmwgfx, both use a bounding rectangle.
In those cases, the exact order of the pages doesn't matter. The other
drivers look at the page index or handle pages one-by-one. The patch
sets the sort_pagelist flag for those, even though some of them would
probably work correctly without sorting. Driver maintainers should update
their driver accordingly.

Sorting pages by memory offset for deferred I/O performs an implicit
bubble-sort step on the list of dirty pages. The algorithm goes through
the list of dirty pages and inserts each new page according to its
index field. Even worse, list traversal always starts at the first
entry. As video memory is most likely updated scanline by scanline, the
algorithm traverses through the complete list for each updated page.

For example, with 1024x768x32bpp each page covers exactly one scanline.
Writing a single screen update from top to bottom requires updating
768 pages. With an average list length of 384 entries, a screen update
creates (768 * 384 =) 294912 compare operation.

Fix this by making the sorting step opt-in and update the few drivers
that require it. All other drivers work with unsorted page lists. Pages
are appended to the list. Therefore, in the common case of writing the
framebuffer top to bottom, pages are still sorted by offset, which may
have a positive effect on performance.

Playing a video [1] in mplayer's benchmark mode shows the difference
(i7-4790, FullHD, simpledrm, kernel with debugging).

  mplayer -benchmark -nosound -vo fbdev ./big_buck_bunny_720p_stereo.ogg

With sorted page lists:

  BENCHMARKs: VC:  32.960s VO:  73.068s A:   0.000s Sys:   2.413s =  108.441s
  BENCHMARK%: VC: 30.3947% VO: 67.3802% A:  0.0000% Sys:  2.2251% = 100.0000%

With unsorted page lists:

  BENCHMARKs: VC:  31.005s VO:  42.889s A:   0.000s Sys:   2.256s =   76.150s
  BENCHMARK%: VC: 40.7156% VO: 56.3219% A:  0.0000% Sys:  2.9625% = 100.0000%

VC shows the overhead of video decoding, VO shows the overhead of the
video output. Using unsorted page lists reduces the benchmark's run time
by ~32s/~25%.

v2:
	* Make sorted pagelists the special case (Sam)
	* Comment on drivers' use of pagelist (Sam)
	* Warn about the overhead in comment

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_720p_stereo.ogg # [1]
Link: https://patchwork.freedesktop.org/patch/msgid/20220211094640.21632-3-tzimmermann@suse.de
 2022-02-16 16:41:45 +01:00
Oliver Graute
b6821b0d9b staging: fbtft: fb_st7789v: reset display before initialization 
In rare cases the display is flipped or mirrored. This was observed more
often in a low temperature environment. A clean reset on init_display()
should help to get registers in a sane state.

Fixes: ef8f317795 (staging: fbtft: use init function instead of init sequence)
Cc: stable@vger.kernel.org
Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
Link: https://lore.kernel.org/r/20220210085322.15676-1-oliver.graute@kococonnector.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-02-15 17:14:22 +01:00
Greg Kroah-Hartman
1e7f32f776 Linux 5.17-rc4 
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Merge 5.17-rc4 into staging-testing

We need the staging driver fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-02-14 09:02:51 +01:00
Uwe Kleine-König
a0386bba70
spi: make remove callback a void function 
The value returned by an spi driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Claudius Heine <ch@denx.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
 2022-02-09 13:00:45 +00:00
Uwe Kleine-König
c222ea5d2f
staging: fbtft: Deduplicate driver registration macros 
The two macros FBTFT_REGISTER_DRIVER and FBTFT_REGISTER_SPI_DRIVER
contain quite some duplication: Both define an spi driver and an of device
table and the differences are quite subtle.

So create two new macros and use both twice.

Link: https://lore.kernel.org/r/20220118181338.207943-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
 2022-02-09 13:00:41 +00:00
Uwe Kleine-König
7d8e4c98d1
staging: fbtft: Fix error path in fbtft_driver_module_init() 
If registering the platform driver fails, the function must not return
without undoing the spi driver registration first.

Fixes: c296d5f995 ("staging: fbtft: core support")
Link: https://lore.kernel.org/r/20220118181338.207943-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
 2022-02-09 13:00:40 +00:00
Uwe Kleine-König
426aca16e9 staging: fbtft: Fix error path in fbtft_driver_module_init() 
If registering the platform driver fails, the function must not return
without undoing the spi driver registration first.

Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220118181338.207943-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-01-25 16:36:49 +01:00
Uwe Kleine-König
39ddef5681 staging: fbtft: Deduplicate driver registration macros 
The two macros FBTFT_REGISTER_DRIVER and FBTFT_REGISTER_SPI_DRIVER
contain quite some duplication: Both define an spi driver and an of device
table and the differences are quite subtle.

So create two new macros and use both twice.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220118181338.207943-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-01-25 16:35:37 +01:00
Heiner Kallweit
d9367afb1b staging: fbtft: sh1106: use new macro FBTFT_REGISTER_SPI_DRIVER 
Make fb_sh1106 the first user of new macro FBTFT_REGISTER_SPI_DRIVER.
In addition the MODULE_ALIASes can be removed. Module auto-loading
was successfully tested with a SH1106-based OLED module connected
to an Odroid C2.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/65516be1-9588-af00-cf4f-053e20af9b45@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-12-03 15:05:12 +01:00
Heiner Kallweit
15e66fc729 staging: fbtft: add macro FBTFT_REGISTER_SPI_DRIVER 
After 5fa6863ba6 ("spi: Check we have a spi_device_id for each DT
compatible") we need to add spi id_tables. Changing existing macro
FBTFT_REGISTER_DRIVER would have meant to change arguments and
therefore adjust all fbtft drivers.

This patch adds a new and simplified macro FBTFT_REGISTER_SPI_DRIVER
that includes a spi id_table, and in addition to that:
- does not define a platform driver
- uses macro module_spi_driver()

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/a58b3bc9-27a2-3f16-dd92-e597666a0263@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-12-03 15:05:12 +01:00
Greg Kroah-Hartman
24cd719712 Merge 5.16-rc3 into staging-next 
We need the staging driver fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-11-29 08:03:05 +01:00
Noralf Trønnes
7865dd2493 staging/fbtft: Fix backlight 
Commit b4a1ed0cd1 ("fbdev: make FB_BACKLIGHT a tristate") forgot to
update fbtft breaking its backlight support when FB_BACKLIGHT is a module.

Since FB_TFT selects FB_BACKLIGHT there's no need for this conditional
so just remove it and we're good.

Fixes: b4a1ed0cd1 ("fbdev: make FB_BACKLIGHT a tristate")
Cc: <stable@vger.kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://lore.kernel.org/r/20211105204358.2991-1-noralf@tronnes.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-11-15 10:21:48 +01:00
Noralf Trønnes
afa9755e35 staging: fbtft: Remove fb_watterott driver 
This driver was made for a prototype and as far as I know it never went
into production because it was too slow. So let's remove it.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://lore.kernel.org/r/20211105202448.62518-1-noralf@tronnes.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-11-15 10:02:02 +01:00
Uwe Kleine-König
cb08d3d2a3 staging: fbtft: Make fbtft_remove_common() return void 
fbtft_remove_common() is only called with a non-NULL fb_info. (All
callers are in remove callbacks and the matching probe callbacks set
driver data accordingly.) So fbtft_remove_common() always returns zero.
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 platform and spi remove callbacks is ignored
anyway and not freeing resources in .remove() is a bad idea.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211012153945.2651412-20-u.kleine-koenig@pengutronix.de
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-10-13 14:30:38 +02:00