cascoda Cascoda, Ltd.
cavium Cavium, Inc.
cdns Cadence Design Systems Inc.
+cdtech CDTech(H.K.) Electronics Limited
ceva Ceva, Inc.
chipidea Chipidea, Inc
chipone ChipOne
crane Crane Connectivity Solutions
creative Creative Technology Ltd
crystalfontz Crystalfontz America, Inc.
+ csky Hangzhou C-SKY Microsystems Co., Ltd
cubietech Cubietech, Ltd.
cypress Cypress Semiconductor Corporation
cznic CZ.NIC, z.s.p.o.
embest Shenzhen Embest Technology Co., Ltd.
emmicro EM Microelectronic
emtrion emtrion GmbH
+ endless Endless Mobile, Inc.
energymicro Silicon Laboratories (formerly Energy Micro AS)
engicam Engicam S.r.l.
epcos EPCOS AG
exar Exar Corporation
excito Excito
ezchip EZchip Semiconductor
+ facebook Facebook
fairphone Fairphone B.V.
faraday Faraday Technology Corporation
fastrax Fastrax Oy
microchip Microchip Technology Inc.
microcrystal Micro Crystal AG
micron Micron Technology Inc.
+ mikroe MikroElektronika d.o.o.
minix MINIX Technology Ltd.
miramems MiraMEMS Sensing Technology Co., Ltd.
mitsubishi Mitsubishi Electric Corporation
okaya Okaya Electric America, Inc.
oki Oki Electric Industry Co., Ltd.
olimex OLIMEX Ltd.
+ olpc One Laptop Per Child
onion Onion Corporation
onnn ON Semiconductor Corp.
ontat On Tat Industrial Company
pixcir PIXCIR MICROELECTRONICS Co., Ltd
plathome Plat'Home Co., Ltd.
plda PLDA
+ plx Broadcom Corporation (formerly PLX Technology)
portwell Portwell Inc.
poslab Poslab Technology Co., Ltd.
powervr PowerVR (deprecated, use img)
F: Documentation/ABI/testing/configfs-acpi
F: drivers/pci/*acpi*
F: drivers/pci/*/*acpi*
- F: drivers/pci/*/*/*acpi*
F: tools/power/acpi/
ACPI APEI
ACPI PMIC DRIVERS
Q: https://patchwork.kernel.org/project/linux-acpi/list/
F: drivers/hwmon/adt7475.c
ADVANSYS SCSI DRIVER
S: Maintained
S: Supported
F: drivers/input/misc/adxl34x.c
+ ADXL372 THREE-AXIS DIGITAL ACCELEROMETER DRIVER
+ W: http://ez.analog.com/community/linux-device-drivers
+ S: Supported
+ F: drivers/iio/accel/adxl372.c
+ F: drivers/iio/accel/adxl372_spi.c
+ F: drivers/iio/accel/adxl372_i2c.c
+ F: Documentation/devicetree/bindings/iio/accel/adxl372.txt
+
AF9013 MEDIA DRIVER
S: Maintained
F: drivers/crypto/sunxi-ss/
+ ALLWINNER VPU DRIVER
+ S: Maintained
+ F: drivers/staging/media/sunxi/cedrus/
+
ALPHA PORT
S: Supported
F: drivers/mux/adgs1408.c
- F: Documentation/devicetree/bindings/mux/adgs1408.txt
+ F: Documentation/devicetree/bindings/mux/adi,adgs1408.txt
ANALOG DEVICES INC ADP5061 DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
S: Supported
F: arch/arm64/include/asm/arch_timer.h
F: drivers/clocksource/arm_arch_timer.c
+ ARM INTEGRATOR, VERSATILE AND REALVIEW SUPPORT
+ S: Maintained
+ F: Documentation/devicetree/bindings/arm/arm-boards
+ F: Documentation/devicetree/bindings/auxdisplay/arm-charlcd.txt
+ F: Documentation/devicetree/bindings/clock/arm-integrator.txt
+ F: Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt
+ F: Documentation/devicetree/bindings/mtd/arm-versatile.txt
+ F: arch/arm/mach-integrator/
+ F: arch/arm/mach-realview/
+ F: arch/arm/mach-versatile/
+ F: arch/arm/plat-versatile/
+ F: arch/arm/boot/dts/arm-realview-*
+ F: arch/arm/boot/dts/integrator*
+ F: arch/arm/boot/dts/versatile*
+ F: drivers/clk/versatile/
+ F: drivers/i2c/busses/i2c-versatile.c
+ F: drivers/irqchip/irq-versatile-fpga.c
+ F: drivers/mtd/maps/physmap_of_versatile.c
+ F: drivers/power/reset/arm-versatile-reboot.c
+ F: drivers/soc/versatile/
+
ARM HDLCD DRM DRIVER
S: Supported
F: drivers/mmc/host/mmci.*
F: include/linux/amba/mmci.h
+ ARM PRIMECELL SSP PL022 SPI DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/spi/spi_pl022.txt
+ F: drivers/spi/spi-pl022.c
+
ARM PRIMECELL UART PL010 AND PL011 DRIVERS
S: Odd Fixes
F: drivers/tty/serial/amba-pl01*.c
F: include/linux/amba/serial.h
+ ARM PRIMECELL VIC PL190/PL192 DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/interrupt-controller/arm,vic.txt
+ F: drivers/irqchip/irq-vic.c
+
ARM SMMU DRIVERS
ARM/ACTIONS SEMI ARCHITECTURE
S: Maintained
N: owl
F: arch/arm/mach-actions/
F: arch/arm/boot/dts/owl-*
F: arch/arm64/boot/dts/actions/
- F: drivers/clocksource/owl-*
+ F: drivers/clk/actions/
+ F: drivers/clocksource/timer-owl*
+ F: drivers/dma/owl-dma.c
+ F: drivers/i2c/busses/i2c-owl.c
F: drivers/pinctrl/actions/*
F: drivers/soc/actions/
F: include/dt-bindings/power/owl-*
F: include/linux/soc/actions/
F: Documentation/devicetree/bindings/arm/actions.txt
+ F: Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
+ F: Documentation/devicetree/bindings/dma/owl-dma.txt
+ F: Documentation/devicetree/bindings/i2c/i2c-owl.txt
F: Documentation/devicetree/bindings/pinctrl/actions,s900-pinctrl.txt
F: Documentation/devicetree/bindings/power/actions,owl-sps.txt
F: Documentation/devicetree/bindings/timer/actions,owl-timer.txt
ARM/Annapurna Labs ALPINE ARCHITECTURE
- M: Antoine Tenart <antoine.tenart@free-electrons.com>
+ M: Antoine Tenart <antoine.tenart@bootlin.com>
S: Maintained
F: arch/arm/mach-alpine/
F: arch/arm/boot/dts/imx*
F: arch/arm/configs/imx*_defconfig
F: drivers/clk/imx/
+ F: drivers/firmware/imx/
F: drivers/soc/imx/
+ F: include/linux/firmware/imx/
F: include/soc/imx/
ARM/FREESCALE VYBRID ARM ARCHITECTURE
S: Maintained
ARM/LPC18XX ARCHITECTURE
- M: Joachim Eastwood <manabian@gmail.com>
+ M: Vladimir Zapolskiy <vz@mleia.com>
S: Maintained
F: arch/arm/boot/dts/lpc43*
- F: drivers/clk/nxp/clk-lpc18xx*
- F: drivers/clocksource/time-lpc32xx.c
F: drivers/i2c/busses/i2c-lpc2k.c
F: drivers/memory/pl172.c
F: drivers/mtd/spi-nor/nxp-spifi.c
ARM/Microchip (AT91) SoC support
W: http://www.linux4sam.org
- T: git git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91.git
+ T: git git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux.git
S: Supported
N: at91
N: atmel
ARM/STM32 ARCHITECTURE
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next
N: stm32
+ N: stm
F: arch/arm/boot/dts/stm32*
F: arch/arm/mach-stm32/
F: drivers/clocksource/armv7m_systick.c
- ARM/Synaptics Berlin SoC support
+ ARM/Synaptics SoC support
S: Maintained
F: arch/arm/mach-berlin/
F: arch/arm/boot/dts/berlin*
- F: arch/arm64/boot/dts/marvell/berlin*
+ F: arch/arm64/boot/dts/synaptics/
ARM/TANGO ARCHITECTURE
F: drivers/gpio/gpio-uniphier.c
F: drivers/i2c/busses/i2c-uniphier*
F: drivers/irqchip/irq-uniphier-aidet.c
+ F: drivers/mmc/host/uniphier-sd.c
F: drivers/pinctrl/uniphier/
F: drivers/reset/reset-uniphier.c
F: drivers/tty/serial/8250/8250_uniphier.c
F: */*/vexpress*
F: */*/*/vexpress*
F: drivers/clk/versatile/clk-vexpress-osc.c
- F: drivers/clocksource/versatile.c
+ F: drivers/clocksource/timer-versatile.c
N: mps2
ARM/VFP SUPPORT
S: Maintained
F: arch/arm/mach-vt8500/
- F: drivers/clocksource/vt8500_timer.c
+ F: drivers/clocksource/timer-vt8500.c
F: drivers/i2c/busses/i2c-wmt.c
F: drivers/mmc/host/wmt-sdmmc.c
F: drivers/pwm/pwm-vt8500.c
ARM/ZTE ARCHITECTURE
S: Maintained
F: drivers/block/xsysace.c
N: zynq
N: xilinx
- F: drivers/clocksource/cadence_ttc_timer.c
+ F: drivers/clocksource/timer-cadence-ttc.c
F: drivers/i2c/busses/i2c-cadence.c
F: drivers/mmc/host/sdhci-of-arasan.c
F: drivers/edac/synopsys_edac.c
F: include/linux/atm*
F: include/uapi/linux/atm*
- ATMEL AT91 / AT32 MCI DRIVER
- S: Maintained
- F: drivers/mmc/host/atmel-mci.c
-
- ATMEL AT91 SAMA5D2-Compatible Shutdown Controller
- S: Supported
- F: drivers/power/reset/at91-sama5d2_shdwc.c
-
- ATMEL Audio ALSA driver
- S: Supported
- F: sound/soc/atmel
-
- ATMEL I2C DRIVER
- S: Supported
- F: drivers/i2c/busses/i2c-at91.c
-
- ATMEL ISI DRIVER
- S: Supported
- F: drivers/media/platform/atmel/atmel-isi.c
- F: include/media/atmel-isi.h
-
- ATMEL LCDFB DRIVER
- S: Maintained
- F: drivers/video/fbdev/atmel_lcdfb.c
- F: include/video/atmel_lcdc.h
-
ATMEL MACB ETHERNET DRIVER
S: Supported
F: Documentation/devicetree/bindings/input/atmel,maxtouch.txt
F: drivers/input/touchscreen/atmel_mxt_ts.c
- ATMEL SAMA5D2 ADC DRIVER
- S: Supported
- F: drivers/iio/adc/at91-sama5d2_adc.c
-
- ATMEL SDMMC DRIVER
- S: Supported
- F: drivers/mmc/host/sdhci-of-at91.c
-
- ATMEL SPI DRIVER
- S: Supported
- F: drivers/spi/spi-atmel.*
-
- ATMEL SSC DRIVER
- S: Supported
- F: drivers/misc/atmel-ssc.c
- F: include/linux/atmel-ssc.h
-
- ATMEL Timer Counter (TC) AND CLOCKSOURCE DRIVERS
- S: Supported
- F: drivers/misc/atmel_tclib.c
- F: drivers/clocksource/tcb_clksrc.c
-
- ATMEL USBA UDC DRIVER
- S: Supported
- F: drivers/usb/gadget/udc/atmel_usba_udc.*
-
ATMEL WIRELESS DRIVER
S: Maintained
F: drivers/net/wireless/atmel/atmel*
- ATMEL XDMA DRIVER
- S: Supported
- F: drivers/dma/at_xdmac.c
-
ATOMIC INFRASTRUCTURE
BROADCOM BNX2 GIGABIT ETHERNET DRIVER
S: Supported
BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
S: Supported
F: drivers/gpio/gpio-brcmstb.c
F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt
+ BROADCOM BRCMSTB I2C DRIVER
+ S: Supported
+ F: drivers/i2c/busses/i2c-brcmstb.c
+ F: Documentation/devicetree/bindings/i2c/i2c-brcmstb.txt
+
BROADCOM BRCMSTB USB2 and USB3 PHY DRIVER
F: Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt
F: drivers/memory/brcmstb_dpfe.c
+ BROADCOM SPI DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt
+ F: drivers/spi/spi-bcm-qspi.*
+ F: drivers/spi/spi-brcmstb-qspi.c
+ F: drivers/spi/spi-iproc-qspi.c
+
BROADCOM SYSTEMPORT ETHERNET DRIVER
BTRFS FILE SYSTEM
- M: Josef Bacik <jbacik@fb.com>
+ M: Josef Bacik <josef@toxicpanda.com>
W: http://btrfs.wiki.kernel.org/
S: Maintained
F: sound/pci/oxygen/
+ C-SKY ARCHITECTURE
+ T: git https://github.com/c-sky/csky-linux.git
+ S: Supported
+ F: arch/csky/
+ F: Documentation/devicetree/bindings/csky/
+ K: csky
+ N: csky
+
C6X ARCHITECTURE
F: Documentation/devicetree/bindings/media/coda.txt
F: drivers/media/platform/coda/
+ CODE OF CONDUCT
+ S: Supported
+ F: Documentation/process/code-of-conduct.rst
+ F: Documentation/process/code-of-conduct-interpretation.rst
+
COMMON CLK FRAMEWORK
S: Maintained
F: drivers/platform/x86/compal-laptop.c
+ COMPILER ATTRIBUTES
+ S: Maintained
+ F: include/linux/compiler_attributes.h
+
CONEXANT ACCESSRUNNER USB DRIVER
W: http://accessrunner.sourceforge.net/
S: Maintained
F: drivers/cpufreq/arm_big_little.h
F: drivers/cpufreq/arm_big_little.c
- F: drivers/cpufreq/arm_big_little_dt.c
CPU POWER MONITORING SUBSYSTEM
S: Supported
F: drivers/scsi/cxlflash/
- F: include/uapi/scsi/cxlflash_ioctls.h
+ F: include/uapi/scsi/cxlflash_ioctl.h
F: Documentation/powerpc/cxlflash.txt
CYBERPRO FB DRIVER
S: Supported
- F: drivers/input/dlink-dir685-touchkeys.c
+ F: drivers/input/keyboard/dlink-dir685-touchkeys.c
DALLAS/MAXIM DS1685-FAMILY REAL TIME CLOCK
F: drivers/platform/x86/dell-smbios-wmi.c
F: tools/wmi/dell-smbios-example.c
+ DEFZA FDDI NETWORK DRIVER
+ S: Maintained
+ F: drivers/net/fddi/defza.*
+
DELL LAPTOP DRIVER
S: Maintained
F: drivers/platform/x86/dell-rbtn.*
+ DELL REMOTE BIOS UPDATE DRIVER
+ S: Maintained
+ F: drivers/platform/x86/dell_rbu.c
+
DELL LAPTOP SMM DRIVER
S: Maintained
F: include/uapi/linux/i8k.h
DELL SYSTEMS MANAGEMENT BASE DRIVER (dcdbas)
S: Maintained
F: Documentation/dcdbas.txt
- F: drivers/firmware/dcdbas.*
+ F: drivers/platform/x86/dcdbas.*
DELL WMI NOTIFICATIONS DRIVER
S: Maintained
F: drivers/gpio/gpio-gpio-mm.c
- DIGI NEO AND CLASSIC PCI PRODUCTS
- S: Maintained
- F: drivers/staging/dgnc/
-
DIOLAN U2C-12 I2C DRIVER
F: drivers/i2c/busses/i2c-diolan-u2c.c
FILESYSTEM DIRECT ACCESS (DAX)
F: Documentation/
F: scripts/kernel-doc
X: Documentation/ABI/
+ X: Documentation/acpi/
X: Documentation/devicetree/
- X: Documentation/acpi
- X: Documentation/power
- X: Documentation/spi
- X: Documentation/media
+ X: Documentation/i2c/
+ X: Documentation/media/
+ X: Documentation/power/
+ X: Documentation/spi/
T: git git://git.lwn.net/linux.git docs-next
DOCUMENTATION/ITALIAN
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: drivers/media/i2c/dw9714.c
+ F: Documentation/devicetree/bindings/media/i2c/dongwoon,dw9714.txt
DONGWOON DW9807 LENS VOICE COIL DRIVER
T: git git://linuxtv.org/media_tree.git
S: Maintained
- F: drivers/media/i2c/dw9807.c
+ F: drivers/media/i2c/dw9807-vcm.c
+ F: Documentation/devicetree/bindings/media/i2c/dongwoon,dw9807-vcm.txt
DOUBLETALK DRIVER
DPAA2 ETHERNET DRIVER
- L: linux-kernel@vger.kernel.org
+ L: netdev@vger.kernel.org
S: Maintained
- F: drivers/staging/fsl-dpaa2/ethernet
+ F: drivers/net/ethernet/freescale/dpaa2/dpaa2-eth*
+ F: drivers/net/ethernet/freescale/dpaa2/dpni*
+ F: drivers/net/ethernet/freescale/dpaa2/dpkg.h
+ F: drivers/net/ethernet/freescale/dpaa2/Makefile
+ F: drivers/net/ethernet/freescale/dpaa2/Kconfig
DPAA2 ETHERNET SWITCH DRIVER
DPAA2 PTP CLOCK DRIVER
- L: linux-kernel@vger.kernel.org
+ L: netdev@vger.kernel.org
S: Maintained
- F: drivers/staging/fsl-dpaa2/rtc
+ F: drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp*
+ F: drivers/net/ethernet/freescale/dpaa2/dprtc*
DPT_I2O SCSI RAID DRIVER
F: drivers/gpu/drm/tinydrm/ili9225.c
F: Documentation/devicetree/bindings/display/ilitek,ili9225.txt
+DRM DRIVER FOR HX8357D PANELS
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/tinydrm/hx8357d.c
+F: Documentation/devicetree/bindings/display/himax,hx8357d.txt
+
DRM DRIVER FOR INTEL I810 VIDEO CARDS
S: Orphan / Obsolete
F: drivers/gpu/drm/i810/
F: drivers/gpu/drm/nouveau/
F: include/uapi/drm/nouveau_drm.h
+DRM DRIVER FOR OLIMEX LCD-OLINUXINO PANELS
+S: Maintained
+F: drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c
+F: Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt
+
DRM DRIVER FOR PERVASIVE DISPLAYS REPAPER PANELS
S: Maintained
F: drivers/edac/r82600_edac.c
EDAC-SBRIDGE
S: Maintained
F: drivers/edac/sb_edac.c
S: Maintained
F: drivers/edac/ti_edac.c
+ EDAC-QCOM
+ S: Maintained
+ F: drivers/edac/qcom_edac.c
+
EDIROL UA-101/UA-1000 DRIVER
F: drivers/net/ethernet/agere/
ETHERNET BRIDGE
W: http://www.linuxfoundation.org/en/Net:Bridge
Q: http://patchwork.ozlabs.org/project/linux-ext4/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git
S: Maintained
- F: Documentation/filesystems/ext4.txt
+ F: Documentation/filesystems/ext4/ext4.rst
F: fs/ext4/
Extended Verification Module (EVM)
F: lib/fault-inject.c
FBTFT Framebuffer drivers
+ S: Orphan
- S: Maintained
F: drivers/staging/fbtft/
FC0011 TUNER DRIVER
S: Maintained
F: drivers/i2c/busses/i2c-cpm.c
+ FREESCALE IMX LPI2C DRIVER
+ S: Maintained
+ F: drivers/i2c/busses/i2c-imx-lpi2c.c
+ F: Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.txt
+
FREESCALE IMX / MXC FEC DRIVER
F: Documentation/hwmon/
F: drivers/hwmon/
F: include/linux/hwmon*.h
+ F: include/trace/events/hwmon*.h
HARDWARE RANDOM NUMBER GENERATOR CORE
F: mm/memory-failure.c
F: mm/hwpoison-inject.c
+ HYGON PROCESSOR SUPPORT
+ S: Maintained
+ F: arch/x86/kernel/cpu/hygon.c
+
Hyper-V CORE AND DRIVERS
S: Supported
F: sound/soc/intel/
+ INTEL ATOMISP2 DUMMY / POWER-MANAGEMENT DRIVER
+ S: Maintained
+ F: drivers/platform/x86/intel_atomisp2_pm.c
+
INTEL C600 SERIES SAS CONTROLLER DRIVER
S: Supported
F: Documentation/networking/e100.rst
F: Documentation/networking/e1000.rst
- F: Documentation/networking/e1000e.txt
- F: Documentation/networking/igb.txt
- F: Documentation/networking/igbvf.txt
- F: Documentation/networking/ixgb.txt
- F: Documentation/networking/ixgbe.txt
- F: Documentation/networking/ixgbevf.txt
- F: Documentation/networking/i40e.txt
- F: Documentation/networking/i40evf.txt
- F: Documentation/networking/ice.txt
+ F: Documentation/networking/e1000e.rst
+ F: Documentation/networking/fm10k.rst
+ F: Documentation/networking/igb.rst
+ F: Documentation/networking/igbvf.rst
+ F: Documentation/networking/ixgb.rst
+ F: Documentation/networking/ixgbe.rst
+ F: Documentation/networking/ixgbevf.rst
+ F: Documentation/networking/i40e.rst
+ F: Documentation/networking/iavf.rst
+ F: Documentation/networking/ice.rst
F: drivers/net/ethernet/intel/
F: drivers/net/ethernet/intel/*/
F: include/linux/avf/virtchnl.h
S: Supported
F: drivers/gpu/drm/i915/gvt/
+ INTEL PMIC GPIO DRIVER
+ S: Maintained
+ F: drivers/gpio/gpio-*cove.c
+ F: drivers/gpio/gpio-msic.c
+
INTEL HID EVENT DRIVER
S: Maintained
- F: arch/x86/include/asm/pmc_core.h
F: drivers/platform/x86/intel_pmc_core*
INTEL PMC/P-Unit IPC DRIVER
F: arch/x86/include/asm/intel_pmc_ipc.h
F: arch/x86/include/asm/intel_punit_ipc.h
+ INTEL MULTIFUNCTION PMIC DEVICE DRIVERS
+ S: Maintained
+ F: drivers/mfd/intel_msic.c
+ F: drivers/mfd/intel_soc_pmic*
+ F: include/linux/mfd/intel_msic.h
+ F: include/linux/mfd/intel_soc_pmic*
+
INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
F: drivers/infiniband/hw/i40iw/
F: include/uapi/rdma/i40iw-abi.h
- INTEL SHA MULTIBUFFER DRIVER
- S: Supported
- F: arch/x86/crypto/sha*-mb/
- F: crypto/mcryptd.c
-
INTEL TELEMETRY DRIVER
S: Maintained
F: arch/x86/include/asm/intel_telemetry.h
W: http://openipmi.sourceforge.net/
S: Supported
+ F: Documentation/devicetree/bindings/ipmi/
F: Documentation/IPMI.txt
F: drivers/char/ipmi/
F: include/linux/ipmi*
S: Obsolete
F: include/uapi/linux/ipx.h
- F: drivers/staging/ipx/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
KEYS-TRUSTED
F: net/l3mdev
F: include/net/l3mdev.h
+ L7 BPF FRAMEWORK
+ S: Maintained
+ F: include/linux/skmsg.h
+ F: net/core/skmsg.c
+ F: net/core/sock_map.c
+ F: net/ipv4/tcp_bpf.c
+
+ LANTIQ / INTEL Ethernet drivers
+ S: Maintained
+ F: net/dsa/tag_gswip.c
+ F: drivers/net/ethernet/lantiq_xrx200.c
+ F: drivers/net/dsa/lantiq_pce.h
+ F: drivers/net/dsa/lantiq_gswip.c
+
LANTIQ MIPS ARCHITECTURE
S: Maintained
F: drivers/usb/misc/legousbtower.c
+ LG LAPTOP EXTRAS
+ S: Maintained
+ F: Documentation/ABI/testing/sysfs-platform-lg-laptop
+ F: Documentation/laptops/lg-laptop.rst
+ F: drivers/platform/x86/lg-laptop.c
+
LG2160 MEDIA DRIVER
F: arch/*/include/asm/spinlock*.h
F: include/linux/rwlock*.h
F: include/linux/mutex*.h
- F: arch/*/include/asm/mutex*.h
F: include/linux/rwsem*.h
F: arch/*/include/asm/rwsem.h
F: include/linux/seqlock.h
F: drivers/scsi/mpt3sas/
LSILOGIC/SYMBIOS/NCR 53C8XX and 53C1010 PCI-SCSI drivers
S: Maintained
F: drivers/scsi/sym53c8xx_2/
+ LTC1660 DAC DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/iio/dac/ltc1660.txt
+ F: drivers/iio/dac/ltc1660.c
+
LTC4261 HARDWARE MONITOR DRIVER
S: Maintained
F: drivers/net/dsa/mv88e6xxx/
- F: linux/platform_data/mv88e6xxx.h
+ F: include/linux/platform_data/mv88e6xxx.h
F: Documentation/devicetree/bindings/net/dsa/marvell.txt
MARVELL ARMADA DRM SUPPORT
F: drivers/net/phy/marvell10g.c
MARVELL MVNETA ETHERNET DRIVER
- M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
S: Maintained
F: drivers/net/ethernet/marvell/mvneta.*
F: drivers/mmc/host/sdhci-xenon*
F: Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt
+ MARVELL OCTEONTX2 RVU ADMIN FUNCTION DRIVER
+ S: Supported
+ F: drivers/net/ethernet/marvell/octeontx2/af/
+
MATROX FRAMEBUFFER DRIVER
S: Orphan
F: Documentation/hwmon/max16065
F: drivers/hwmon/max16065.c
- MAX20751 HARDWARE MONITOR DRIVER
- S: Maintained
- F: Documentation/hwmon/max20751
- F: drivers/hwmon/max20751.c
-
MAX2175 SDR TUNER DRIVER
F: drivers/media/spi/cxd2880*
MEDIA DRIVERS FOR DIGITAL DEVICES PCIE DEVICES
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
- S: Maintained
+ S: Orphan
F: drivers/media/pci/ddbridge/*
MEDIA DRIVERS FOR FREESCALE IMX
F: include/linux/imx-media.h
F: include/media/imx.h
+ MEDIA DRIVER FOR FREESCALE IMX PXP
+ T: git git://linuxtv.org/media_tree.git
+ S: Maintained
+ F: drivers/media/platform/imx-pxp.[ch]
+
MEDIA DRIVERS FOR HELENE
F: drivers/media/dvb-frontends/lnbh25*
MEDIA DRIVERS FOR MXL5XX TUNER DEMODULATORS
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
- S: Maintained
+ S: Orphan
F: drivers/media/dvb-frontends/mxl5xx*
MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
F: include/media/rcar-fcp.h
MEDIA DRIVERS FOR RENESAS - FDP1
- M: Kieran Bingham <kieran@bingham.xyz>
T: git git://linuxtv.org/media_tree.git
MEDIA DRIVERS FOR RENESAS - VSP1
T: git git://linuxtv.org/media_tree.git
F: drivers/media/platform/vsp1/
MEDIA DRIVERS FOR ST STV0910 DEMODULATOR ICs
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
- S: Maintained
+ S: Orphan
F: drivers/media/dvb-frontends/stv0910*
MEDIA DRIVERS FOR ST STV6111 TUNER ICs
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
- S: Maintained
+ S: Orphan
F: drivers/media/dvb-frontends/stv6111*
MEDIA DRIVERS FOR STM32 - DCMI
S: Maintained
- F: drivers/watchdog/menz069_wdt.c
+ F: drivers/watchdog/menz69_wdt.c
MESON AO CEC DRIVER FOR AMLOGIC SOCS
S: Supported
F: arch/microblaze/
- MICROCHIP / ATMEL AT91 SERIAL DRIVER
+ MICROCHIP AT91 SERIAL DRIVER
S: Maintained
F: drivers/tty/serial/atmel_serial.c
F: drivers/tty/serial/atmel_serial.h
+ F: Documentation/devicetree/bindings/mfd/atmel-usart.txt
- MICROCHIP / ATMEL DMA DRIVER
+ MICROCHIP AUDIO ASOC DRIVERS
+ S: Supported
+ F: sound/soc/atmel
+
+ MICROCHIP DMA DRIVER
F: drivers/dma/at_hdmac.c
F: drivers/dma/at_hdmac_regs.h
F: include/linux/platform_data/dma-atmel.h
+ F: Documentation/devicetree/bindings/dma/atmel-dma.txt
+ F: include/dt-bindings/dma/at91.h
- MICROCHIP / ATMEL ECC DRIVER
+ MICROCHIP ECC DRIVER
S: Maintained
F: drivers/crypto/atmel-ecc.*
- MICROCHIP / ATMEL ISC DRIVER
+ MICROCHIP I2C DRIVER
+ S: Supported
+ F: drivers/i2c/busses/i2c-at91.c
+
+ MICROCHIP ISC DRIVER
S: Supported
F: drivers/media/platform/atmel/atmel-isc.c
F: drivers/media/platform/atmel/atmel-isc-regs.h
F: devicetree/bindings/media/atmel-isc.txt
- MICROCHIP / ATMEL NAND DRIVER
- M: Josh Wu <rainyfeeling@outlook.com>
+ MICROCHIP ISI DRIVER
+ M: Eugen Hristev <eugen.hristev@microchip.com>
S: Supported
- F: drivers/mtd/nand/raw/atmel/*
- F: Documentation/devicetree/bindings/mtd/atmel-nand.txt
+ F: drivers/media/platform/atmel/atmel-isi.c
+ F: include/media/atmel-isi.h
+
+ MICROCHIP AT91 USART MFD DRIVER
+ S: Supported
+ F: drivers/mfd/at91-usart.c
+ F: include/dt-bindings/mfd/at91-usart.h
+ F: Documentation/devicetree/bindings/mfd/atmel-usart.txt
+
+ MICROCHIP AT91 USART SPI DRIVER
+ S: Supported
+ F: drivers/spi/spi-at91-usart.c
+ F: Documentation/devicetree/bindings/mfd/atmel-usart.txt
MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER
S: Maintained
F: drivers/net/ethernet/microchip/lan743x_*
+ MICROCHIP LCDFB DRIVER
+ S: Maintained
+ F: drivers/video/fbdev/atmel_lcdfb.c
+ F: include/video/atmel_lcdc.h
+
+ MICROCHIP MMC/SD/SDIO MCI DRIVER
+ S: Maintained
+ F: drivers/mmc/host/atmel-mci.c
+
+ MICROCHIP MCP3911 ADC DRIVER
+ S: Supported
+ F: drivers/iio/adc/mcp3911.c
+ F: Documentation/devicetree/bindings/iio/adc/mcp3911.txt
+
+ MICROCHIP NAND DRIVER
+ S: Supported
+ F: drivers/mtd/nand/raw/atmel/*
+ F: Documentation/devicetree/bindings/mtd/atmel-nand.txt
+
+ MICROCHIP PWM DRIVER
+ S: Supported
+ F: drivers/pwm/pwm-atmel.c
+ F: Documentation/devicetree/bindings/pwm/atmel-pwm.txt
+
+ MICROCHIP SAMA5D2-COMPATIBLE ADC DRIVER
+ S: Supported
+ F: drivers/iio/adc/at91-sama5d2_adc.c
+ F: Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
+ F: include/dt-bindings/iio/adc/at91-sama5d2_adc.h
+
+ MICROCHIP SAMA5D2-COMPATIBLE SHUTDOWN CONTROLLER
+ S: Supported
+ F: drivers/power/reset/at91-sama5d2_shdwc.c
+
+ MICROCHIP SPI DRIVER
+ S: Supported
+ F: drivers/spi/spi-atmel.*
+
+ MICROCHIP SSC DRIVER
+ S: Supported
+ F: drivers/misc/atmel-ssc.c
+ F: include/linux/atmel-ssc.h
+
+ MICROCHIP TIMER COUNTER (TC) AND CLOCKSOURCE DRIVERS
+ S: Supported
+ F: drivers/misc/atmel_tclib.c
+ F: drivers/clocksource/tcb_clksrc.c
+
+ MICROCHIP USBA UDC DRIVER
+ S: Supported
+ F: drivers/usb/gadget/udc/atmel_usba_udc.*
+
MICROCHIP USB251XB DRIVER
F: drivers/usb/misc/usb251xb.c
F: Documentation/devicetree/bindings/usb/usb251xb.txt
+ MICROCHIP XDMA DRIVER
+ S: Supported
+ F: drivers/dma/at_xdmac.c
+
MICROSEMI MIPS SOCS
S: Maintained
- F: arch/mips/loongson64/*{2e/2f}*
+ F: arch/mips/loongson64/fuloong-2e/
+ F: arch/mips/loongson64/lemote-2f/
F: arch/mips/include/asm/mach-loongson64/
F: drivers/*/*loongson2*
F: drivers/*/*/*loongson2*
F: arch/arm/boot/dts/mmp*
F: arch/arm/mach-mmp/
+ MMU GATHER AND TLB INVALIDATION
+ S: Maintained
+ F: arch/*/include/asm/tlb.h
+ F: include/asm-generic/tlb.h
+ F: mm/mmu_gather.c
+
MN88472 MEDIA DRIVER
S: Maintained
F: Documentation/ABI/testing/sysfs-class-mux*
F: Documentation/devicetree/bindings/mux/
- F: include/linux/dt-bindings/mux/
+ F: include/dt-bindings/mux/
F: include/linux/mux/
F: drivers/mux/
F: Documentation/devicetree/bindings/display/mxsfb.txt
T: git git://anongit.freedesktop.org/drm/drm-misc
+ MYLEX DAC960 PCI RAID Controller
+ S: Supported
+ F: drivers/scsi/myrb.*
+ F: drivers/scsi/myrs.*
+
MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)
S: Orphan
F: drivers/net/ethernet/natsemi/natsemi.c
- NCP FILESYSTEM
- S: Obsolete
- F: drivers/staging/ncpfs/
-
NCR 5380 SCSI DRIVERS
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git
S: Maintained
- F: net/core/flow.c
F: net/xfrm/
F: net/key/
F: net/ipv4/xfrm*
S: Maintained
F: net/tls/*
F: drivers/firmware/pcdp.*
PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
- M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
S: Maintained
F: drivers/pci/controller/pci-versatile.c
PCI DRIVER FOR ARMADA 8K
- M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
S: Maintained
F: drivers/pci/controller/pcie-mobiveil.c
PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
- M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+ M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
S: Maintained
- F: drivers/pci/controller/dwc/*keystone*
+ F: drivers/pci/controller/dwc/pci-keystone.c
PCI ENDPOINT SUBSYSTEM
F: drivers/pinctrl/intel/
PIN CONTROLLER - MEDIATEK
- M: Sean Wang <sean.wang@mediatek.com>
+ M: Sean Wang <sean.wang@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt
F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
- F: drivers/pinctrl/mediatek/mtk-eint.*
- F: drivers/pinctrl/mediatek/pinctrl-mtk-common.*
- F: drivers/pinctrl/mediatek/pinctrl-mt2701.c
- F: drivers/pinctrl/mediatek/pinctrl-mt7622.c
+ F: drivers/pinctrl/mediatek/
PIN CONTROLLER - QUALCOMM
W: http://www.roeck-us.net/linux/drivers/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
+ F: Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt
+ F: Documentation/devicetree/bindings/hwmon/max31785.txt
+ F: Documentation/devicetree/bindings/hwmon/ltc2978.txt
+ F: Documentation/hwmon/adm1275
+ F: Documentation/hwmon/ibm-cffps
+ F: Documentation/hwmon/ir35221
+ F: Documentation/hwmon/lm25066
+ F: Documentation/hwmon/ltc2978
+ F: Documentation/hwmon/ltc3815
+ F: Documentation/hwmon/max16064
+ F: Documentation/hwmon/max20751
+ F: Documentation/hwmon/max31785
+ F: Documentation/hwmon/max34440
+ F: Documentation/hwmon/max8688
F: Documentation/hwmon/pmbus
+ F: Documentation/hwmon/pmbus-core
+ F: Documentation/hwmon/tps40422
+ F: Documentation/hwmon/ucd9000
+ F: Documentation/hwmon/ucd9200
+ F: Documentation/hwmon/zl6100
F: drivers/hwmon/pmbus/
F: include/linux/pmbus.h
F: drivers/scsi/qla4xxx/
QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
- M: Harish Patil <harish.patil@cavium.com>
+ M: Shahed Shaikh <Shahed.Shaikh@cavium.com>
F: drivers/net/ethernet/qlogic/qlcnic/
QLOGIC QLGE 10Gb ETHERNET DRIVER
F: drivers/i2c/busses/i2c-rcar.c
F: drivers/i2c/busses/i2c-sh_mobile.c
+ RENESAS RIIC DRIVER
+ S: Supported
+ F: Documentation/devicetree/bindings/i2c/i2c-riic.txt
+ F: drivers/i2c/busses/i2c-riic.c
+
RENESAS USB PHY DRIVER
S: Supported
F: drivers/s390/crypto/
+ S390 VFIO AP DRIVER
+ W: http://www.ibm.com/developerworks/linux/linux390/
+ S: Supported
+ F: drivers/s390/crypto/vfio_ap_drv.c
+ F: drivers/s390/crypto/vfio_ap_private.h
+ F: drivers/s390/crypto/vfio_ap_ops.c
+ F: Documentation/s390/vfio-ap.txt
+
S390 ZFCP DRIVER
S: Maintained
F: drivers/mmc/host/sdhci-pci-dwc-mshc.c
+ SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) MICROCHIP DRIVER
+ S: Supported
+ F: drivers/mmc/host/sdhci-of-at91.c
+
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
- L: selinux@tycho.nsa.gov (moderated for non-subscribers)
+ L: selinux@vger.kernel.org
W: https://selinuxproject.org
W: https://github.com/SELinuxProject
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
S: Supported
F: drivers/siox/*
+ F: drivers/gpio/gpio-siox.c
F: include/trace/events/siox.h
SIS 190 ETHERNET DRIVER
S: Maintained
F: Documentation/devicetree/bindings/arm/firmware/sdei.txt
F: drivers/firmware/arm_sdei.c
- F: include/linux/sdei.h
- F: include/uapi/linux/sdei.h
+ F: include/linux/arm_sdei.h
+ F: include/uapi/linux/arm_sdei.h
SOFTWARE RAID (Multiple Disks) SUPPORT
F: drivers/media/i2c/imx274.c
F: Documentation/devicetree/bindings/media/i2c/imx274.txt
+ SONY IMX319 SENSOR DRIVER
+ T: git git://linuxtv.org/media_tree.git
+ S: Maintained
+ F: drivers/media/i2c/imx319.c
+
+ SONY IMX355 SENSOR DRIVER
+ T: git git://linuxtv.org/media_tree.git
+ S: Maintained
+ F: drivers/media/i2c/imx355.c
+
SONY MEMORYSTICK CARD SUPPORT
W: http://tifmxx.berlios.de/
F: include/sound/soc*
SOUNDWIRE SUBSYSTEM
S: Maintained
F: drivers/i2c/busses/i2c-stm32*
+ ST VL53L0X ToF RANGER(I2C) IIO DRIVER
+ S: Maintained
+ F: drivers/iio/proximity/vl53l0x-i2c.c
+ F: Documentation/devicetree/bindings/iio/proximity/vl53l0x.txt
+
STABLE BRANCH
S: Maintained
F: drivers/staging/erofs/
- STAGING - FLARION FT1000 DRIVERS
- S: Odd Fixes
- F: drivers/staging/ft1000/
-
STAGING - INDUSTRIAL IO
STI CEC DRIVER
S: Maintained
- F: drivers/staging/media/st-cec/
+ F: drivers/media/platform/sti/cec/
F: Documentation/devicetree/bindings/media/stih-cec.txt
STK1160 USB VIDEO CAPTURE DRIVER
F: drivers/reset/reset-axs10x.c
F: Documentation/devicetree/bindings/reset/snps,axs10x-reset.txt
+ SYNOPSYS CREG GPIO DRIVER
+ S: Maintained
+ F: drivers/gpio/gpio-creg-snps.c
+ F: Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt
+
SYNOPSYS DESIGNWARE 8250 UART DRIVER
S: Maintained
F: drivers/firmware/ti_sci*
F: include/linux/soc/ti/ti_sci_protocol.h
F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
- F: include/dt-bindings/genpd/k2g.h
F: drivers/soc/ti/ti_sci_pm_domains.c
F: Documentation/devicetree/bindings/reset/ti,sci-reset.txt
F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt
S: Maintained
F: drivers/net/ethernet/ti/netcp*
+ TI PCM3060 ASoC CODEC DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/sound/pcm3060.txt
+ F: sound/soc/codecs/pcm3060*
+
TI TAS571X FAMILY ASoC CODEC DRIVER
F: drivers/usb/typec/altmodes/
F: include/linux/usb/typec_altmode.h
+ USB TYPEC PORT CONTROLLER DRIVERS
+ S: Maintained
+ F: drivers/usb/typec/tcpm/
+
USB UHCI DRIVER
F: fs/hostfs/
F: fs/hppfs/
+ USERSPACE COPYIN/COPYOUT (UIOVEC)
+ S: Maintained
+ F: lib/iov_iter.c
+ F: include/linux/uio.h
+
USERSPACE DMA BUFFER DRIVER
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
F: Documentation/driver-api/uio-howto.rst
F: drivers/uio/
- F: include/linux/uio*.h
+ F: include/linux/uio_driver.h
UTIL-LINUX PACKAGE
UVESAFB DRIVER
- W: http://dev.gentoo.org/~spock/projects/uvesafb/
+ W: https://github.com/mjanusz/v86d
S: Maintained
F: Documentation/fb/uvesafb.txt
F: drivers/video/fbdev/uvesafb.*
S: Maintained
- F: drivers/media/v4l2-core/videobuf2-*
+ F: drivers/media/common/videobuf2/*
F: include/media/videobuf2-*
VIMC VIRTUAL MEDIA CONTROLLER DRIVER
F: net/vmw_vsock/virtio_transport.c
F: drivers/net/vsockmon.c
F: drivers/vhost/vsock.c
- F: drivers/vhost/vsock.h
F: tools/testing/vsock/
VIRTIO CONSOLE DRIVER
VRF
- M: Shrijeet Mukherjee <shm@cumulusnetworks.com>
+ M: Shrijeet Mukherjee <shrijeet@gmail.com>
S: Maintained
F: drivers/net/vrf.c
S: Maintained
F: arch/x86/entry/vdso/
+ XARRAY
+ S: Supported
+ F: Documentation/core-api/xarray.rst
+ F: lib/idr.c
+ F: lib/xarray.c
+ F: include/linux/idr.h
+ F: include/linux/xarray.h
+ F: tools/testing/radix-tree
+
XC2028/3028 TUNER DRIVER
XEN HYPERVISOR INTERFACE
T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
S: Supported
struct amdgpu_vm_pt_cursor *cursor)
{
amdgpu_vm_pt_next(adev, cursor);
- while (amdgpu_vm_pt_descendant(adev, cursor));
+ if (cursor->pfn != ~0ll)
+ while (amdgpu_vm_pt_descendant(adev, cursor));
}
/**
ring = container_of(vm->entity.rq->sched, struct amdgpu_ring, sched);
- r = reservation_object_reserve_shared(bo->tbo.resv);
+ r = reservation_object_reserve_shared(bo->tbo.resv, 1);
if (r)
return r;
if (r)
goto error_free;
- r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv);
+ r = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv, 1);
if (r)
goto error_free;
}
rbtree_postorder_for_each_entry_safe(mapping, tmp,
&vm->va.rb_root, rb) {
+ /* Don't remove the mapping here, we don't want to trigger a
+ * rebalance and the tree is about to be destroyed anyway.
+ */
list_del(&mapping->list);
- amdgpu_vm_it_remove(mapping, &vm->va);
kfree(mapping);
}
list_for_each_entry_safe(mapping, tmp, &vm->freed, list) {
{
struct amdgpu_display_manager *dm = bl_get_data(bd);
+ /*
+ * PWM interperts 0 as 100% rather than 0% because of HW
+ * limitation for level 0.So limiting minimum brightness level
+ * to 1.
+ */
+ if (bd->props.brightness < 1)
+ return 1;
if (dc_link_set_backlight_level(dm->backlight_link,
bd->props.brightness, 0, 0))
return 0;
*/
.get_modes = get_modes,
.mode_valid = amdgpu_dm_connector_mode_valid,
- .best_encoder = drm_atomic_helper_best_encoder
};
static void dm_crtc_helper_disable(struct drm_crtc *crtc)
}
}
+static struct drm_encoder *amdgpu_dm_connector_to_encoder(struct drm_connector *connector)
+{
+ return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
+}
+
static void amdgpu_dm_get_native_mode(struct drm_connector *connector)
{
- const struct drm_connector_helper_funcs *helper =
- connector->helper_private;
struct drm_encoder *encoder;
struct amdgpu_encoder *amdgpu_encoder;
- encoder = helper->best_encoder(connector);
+ encoder = amdgpu_dm_connector_to_encoder(connector);
if (encoder == NULL)
return;
static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
{
- const struct drm_connector_helper_funcs *helper =
- connector->helper_private;
struct amdgpu_dm_connector *amdgpu_dm_connector =
to_amdgpu_dm_connector(connector);
struct drm_encoder *encoder;
struct edid *edid = amdgpu_dm_connector->edid;
- encoder = helper->best_encoder(connector);
+ encoder = amdgpu_dm_connector_to_encoder(connector);
if (!edid || !drm_edid_is_valid(edid)) {
amdgpu_dm_connector->num_modes =
state->crtcs[i].state = NULL;
state->crtcs[i].old_state = NULL;
state->crtcs[i].new_state = NULL;
+
+ if (state->crtcs[i].commit) {
+ drm_crtc_commit_put(state->crtcs[i].commit);
+ state->crtcs[i].commit = NULL;
+ }
}
for (i = 0; i < config->num_total_plane; i++) {
}
EXPORT_SYMBOL(drm_atomic_get_crtc_state);
-static int drm_atomic_crtc_check(struct drm_crtc *crtc,
- struct drm_crtc_state *state)
+static int drm_atomic_crtc_check(const struct drm_crtc_state *old_crtc_state,
+ const struct drm_crtc_state *new_crtc_state)
{
+ struct drm_crtc *crtc = new_crtc_state->crtc;
+
/* NOTE: we explicitly don't enforce constraints such as primary
* layer covering entire screen, since that is something we want
* to allow (on hw that supports it). For hw that does not, it
* TODO: Add generic modeset state checks once we support those.
*/
- if (state->active && !state->enable) {
+ if (new_crtc_state->active && !new_crtc_state->enable) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] active without enabled\n",
crtc->base.id, crtc->name);
return -EINVAL;
* as this is a kernel-internal detail that userspace should never
* be able to trigger. */
if (drm_core_check_feature(crtc->dev, DRIVER_ATOMIC) &&
- WARN_ON(state->enable && !state->mode_blob)) {
+ WARN_ON(new_crtc_state->enable && !new_crtc_state->mode_blob)) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled without mode blob\n",
crtc->base.id, crtc->name);
return -EINVAL;
}
if (drm_core_check_feature(crtc->dev, DRIVER_ATOMIC) &&
- WARN_ON(!state->enable && state->mode_blob)) {
+ WARN_ON(!new_crtc_state->enable && new_crtc_state->mode_blob)) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] disabled with mode blob\n",
crtc->base.id, crtc->name);
return -EINVAL;
* and legacy page_flip IOCTL which also reject service on a disabled
* pipe.
*/
- if (state->event && !state->active && !crtc->state->active) {
+ if (new_crtc_state->event &&
+ !new_crtc_state->active && !old_crtc_state->active) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] requesting event but off\n",
crtc->base.id, crtc->name);
return -EINVAL;
EXPORT_SYMBOL(drm_atomic_get_plane_state);
static bool
-plane_switching_crtc(struct drm_atomic_state *state,
- struct drm_plane *plane,
- struct drm_plane_state *plane_state)
+plane_switching_crtc(const struct drm_plane_state *old_plane_state,
+ const struct drm_plane_state *new_plane_state)
{
- if (!plane->state->crtc || !plane_state->crtc)
+ if (!old_plane_state->crtc || !new_plane_state->crtc)
return false;
- if (plane->state->crtc == plane_state->crtc)
+ if (old_plane_state->crtc == new_plane_state->crtc)
return false;
/* This could be refined, but currently there's no helper or driver code
/**
* drm_atomic_plane_check - check plane state
- * @plane: plane to check
- * @state: plane state to check
+ * @old_plane_state: old plane state to check
+ * @new_plane_state: new plane state to check
*
* Provides core sanity checks for plane state.
*
* RETURNS:
* Zero on success, error code on failure
*/
-static int drm_atomic_plane_check(struct drm_plane *plane,
- struct drm_plane_state *state)
+static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state,
+ const struct drm_plane_state *new_plane_state)
{
+ struct drm_plane *plane = new_plane_state->plane;
+ struct drm_crtc *crtc = new_plane_state->crtc;
+ const struct drm_framebuffer *fb = new_plane_state->fb;
unsigned int fb_width, fb_height;
int ret;
/* either *both* CRTC and FB must be set, or neither */
- if (state->crtc && !state->fb) {
+ if (crtc && !fb) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] CRTC set but no FB\n",
plane->base.id, plane->name);
return -EINVAL;
- } else if (state->fb && !state->crtc) {
+ } else if (fb && !crtc) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] FB set but no CRTC\n",
plane->base.id, plane->name);
return -EINVAL;
}
/* if disabled, we don't care about the rest of the state: */
- if (!state->crtc)
+ if (!crtc)
return 0;
/* Check whether this plane is usable on this CRTC */
- if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) {
+ if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) {
DRM_DEBUG_ATOMIC("Invalid [CRTC:%d:%s] for [PLANE:%d:%s]\n",
- state->crtc->base.id, state->crtc->name,
+ crtc->base.id, crtc->name,
plane->base.id, plane->name);
return -EINVAL;
}
/* Check whether this plane supports the fb pixel format. */
- ret = drm_plane_check_pixel_format(plane, state->fb->format->format,
- state->fb->modifier);
+ ret = drm_plane_check_pixel_format(plane, fb->format->format,
+ fb->modifier);
if (ret) {
struct drm_format_name_buf format_name;
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid pixel format %s, modifier 0x%llx\n",
plane->base.id, plane->name,
- drm_get_format_name(state->fb->format->format,
+ drm_get_format_name(fb->format->format,
&format_name),
- state->fb->modifier);
+ fb->modifier);
return ret;
}
/* Give drivers some help against integer overflows */
- if (state->crtc_w > INT_MAX ||
- state->crtc_x > INT_MAX - (int32_t) state->crtc_w ||
- state->crtc_h > INT_MAX ||
- state->crtc_y > INT_MAX - (int32_t) state->crtc_h) {
+ if (new_plane_state->crtc_w > INT_MAX ||
+ new_plane_state->crtc_x > INT_MAX - (int32_t) new_plane_state->crtc_w ||
+ new_plane_state->crtc_h > INT_MAX ||
+ new_plane_state->crtc_y > INT_MAX - (int32_t) new_plane_state->crtc_h) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid CRTC coordinates %ux%u+%d+%d\n",
plane->base.id, plane->name,
- state->crtc_w, state->crtc_h,
- state->crtc_x, state->crtc_y);
+ new_plane_state->crtc_w, new_plane_state->crtc_h,
+ new_plane_state->crtc_x, new_plane_state->crtc_y);
return -ERANGE;
}
- fb_width = state->fb->width << 16;
- fb_height = state->fb->height << 16;
+ fb_width = fb->width << 16;
+ fb_height = fb->height << 16;
/* Make sure source coordinates are inside the fb. */
- if (state->src_w > fb_width ||
- state->src_x > fb_width - state->src_w ||
- state->src_h > fb_height ||
- state->src_y > fb_height - state->src_h) {
+ if (new_plane_state->src_w > fb_width ||
+ new_plane_state->src_x > fb_width - new_plane_state->src_w ||
+ new_plane_state->src_h > fb_height ||
+ new_plane_state->src_y > fb_height - new_plane_state->src_h) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid source coordinates "
"%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n",
plane->base.id, plane->name,
- state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10,
- state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10,
- state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10,
- state->src_y >> 16, ((state->src_y & 0xffff) * 15625) >> 10,
- state->fb->width, state->fb->height);
+ new_plane_state->src_w >> 16,
+ ((new_plane_state->src_w & 0xffff) * 15625) >> 10,
+ new_plane_state->src_h >> 16,
+ ((new_plane_state->src_h & 0xffff) * 15625) >> 10,
+ new_plane_state->src_x >> 16,
+ ((new_plane_state->src_x & 0xffff) * 15625) >> 10,
+ new_plane_state->src_y >> 16,
+ ((new_plane_state->src_y & 0xffff) * 15625) >> 10,
+ fb->width, fb->height);
return -ENOSPC;
}
- if (plane_switching_crtc(state->state, plane, state)) {
+ if (plane_switching_crtc(old_plane_state, new_plane_state)) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n",
plane->base.id, plane->name);
return -EINVAL;
drm_atomic_add_affected_planes(struct drm_atomic_state *state,
struct drm_crtc *crtc)
{
+ const struct drm_crtc_state *old_crtc_state =
+ drm_atomic_get_old_crtc_state(state, crtc);
struct drm_plane *plane;
WARN_ON(!drm_atomic_get_new_crtc_state(state, crtc));
DRM_DEBUG_ATOMIC("Adding all current planes for [CRTC:%d:%s] to %p\n",
crtc->base.id, crtc->name, state);
- drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) {
+ drm_for_each_plane_mask(plane, state->dev, old_crtc_state->plane_mask) {
struct drm_plane_state *plane_state =
drm_atomic_get_plane_state(state, plane);
struct drm_device *dev = state->dev;
struct drm_mode_config *config = &dev->mode_config;
struct drm_plane *plane;
- struct drm_plane_state *plane_state;
+ struct drm_plane_state *old_plane_state;
+ struct drm_plane_state *new_plane_state;
struct drm_crtc *crtc;
- struct drm_crtc_state *crtc_state;
+ struct drm_crtc_state *old_crtc_state;
+ struct drm_crtc_state *new_crtc_state;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
int i, ret = 0;
DRM_DEBUG_ATOMIC("checking %p\n", state);
- for_each_new_plane_in_state(state, plane, plane_state, i) {
- ret = drm_atomic_plane_check(plane, plane_state);
+ for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
+ ret = drm_atomic_plane_check(old_plane_state, new_plane_state);
if (ret) {
DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic core check failed\n",
plane->base.id, plane->name);
}
}
- for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
- ret = drm_atomic_crtc_check(crtc, crtc_state);
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ ret = drm_atomic_crtc_check(old_crtc_state, new_crtc_state);
if (ret) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] atomic core check failed\n",
crtc->base.id, crtc->name);
}
if (!state->allow_modeset) {
- for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
- if (drm_atomic_crtc_needs_modeset(crtc_state)) {
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+ if (drm_atomic_crtc_needs_modeset(new_crtc_state)) {
DRM_DEBUG_ATOMIC("[CRTC:%d:%s] requires full modeset\n",
crtc->base.id, crtc->name);
return -EINVAL;
}
}
+/*
+ * For connectors that support multiple encoders, either the
+ * .atomic_best_encoder() or .best_encoder() operation must be implemented.
+ */
+static struct drm_encoder *
+pick_single_encoder_for_connector(struct drm_connector *connector)
+{
+ WARN_ON(connector->encoder_ids[1]);
+ return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
+}
+
static int handle_conflicting_encoders(struct drm_atomic_state *state,
bool disable_conflicting_encoders)
{
else if (funcs->best_encoder)
new_encoder = funcs->best_encoder(connector);
else
- new_encoder = drm_atomic_helper_best_encoder(connector);
+ new_encoder = pick_single_encoder_for_connector(connector);
if (new_encoder) {
if (encoder_mask & drm_encoder_mask(new_encoder)) {
return 0;
}
+ crtc_state = drm_atomic_get_new_crtc_state(state,
+ new_connector_state->crtc);
+ /*
+ * For compatibility with legacy users, we want to make sure that
+ * we allow DPMS On->Off modesets on unregistered connectors. Modesets
+ * which would result in anything else must be considered invalid, to
+ * avoid turning on new displays on dead connectors.
+ *
+ * Since the connector can be unregistered at any point during an
+ * atomic check or commit, this is racy. But that's OK: all we care
+ * about is ensuring that userspace can't do anything but shut off the
+ * display on a connector that was destroyed after its been notified,
+ * not before.
+ */
+ if (drm_connector_is_unregistered(connector) && crtc_state->active) {
+ DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] is not registered\n",
+ connector->base.id, connector->name);
+ return -EINVAL;
+ }
+
funcs = connector->helper_private;
if (funcs->atomic_best_encoder)
else if (funcs->best_encoder)
new_encoder = funcs->best_encoder(connector);
else
- new_encoder = drm_atomic_helper_best_encoder(connector);
+ new_encoder = pick_single_encoder_for_connector(connector);
if (!new_encoder) {
DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n",
set_best_encoder(state, new_connector_state, new_encoder);
- crtc_state = drm_atomic_get_new_crtc_state(state, new_connector_state->crtc);
crtc_state->connectors_changed = true;
DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] using [ENCODER:%d:%s] on [CRTC:%d:%s]\n",
void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev,
struct drm_atomic_state *old_state)
{
- struct drm_crtc_state *new_crtc_state;
struct drm_crtc *crtc;
int i;
- for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) {
- struct drm_crtc_commit *commit = new_crtc_state->commit;
+ for (i = 0; i < dev->mode_config.num_crtc; i++) {
+ struct drm_crtc_commit *commit = old_state->crtcs[i].commit;
int ret;
- if (!commit)
+ crtc = old_state->crtcs[i].ptr;
+
+ if (!crtc || !commit)
continue;
ret = wait_for_completion_timeout(&commit->flip_done, 10 * HZ);
drm_crtc_commit_get(commit);
commit->abort_completion = true;
+
+ state->crtcs[i].commit = commit;
+ drm_crtc_commit_get(commit);
}
for_each_oldnew_connector_in_state(state, conn, old_conn_state, new_conn_state, i) {
return ret;
}
EXPORT_SYMBOL(drm_atomic_helper_page_flip_target);
-
-/**
- * drm_atomic_helper_best_encoder - Helper for
- * &drm_connector_helper_funcs.best_encoder callback
- * @connector: Connector control structure
- *
- * This is a &drm_connector_helper_funcs.best_encoder callback helper for
- * connectors that support exactly 1 encoder, statically determined at driver
- * init time.
- */
-struct drm_encoder *
-drm_atomic_helper_best_encoder(struct drm_connector *connector)
-{
- WARN_ON(connector->encoder_ids[1]);
- return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
-}
-EXPORT_SYMBOL(drm_atomic_helper_best_encoder);
-
-/**
- * DOC: atomic state reset and initialization
- *
- * Both the drm core and the atomic helpers assume that there is always the full
- * and correct atomic software state for all connectors, CRTCs and planes
- * available. Which is a bit a problem on driver load and also after system
- * suspend. One way to solve this is to have a hardware state read-out
- * infrastructure which reconstructs the full software state (e.g. the i915
- * driver).
- *
- * The simpler solution is to just reset the software state to everything off,
- * which is easiest to do by calling drm_mode_config_reset(). To facilitate this
- * the atomic helpers provide default reset implementations for all hooks.
- *
- * On the upside the precise state tracking of atomic simplifies system suspend
- * and resume a lot. For drivers using drm_mode_config_reset() a complete recipe
- * is implemented in drm_atomic_helper_suspend() and drm_atomic_helper_resume().
- * For other drivers the building blocks are split out, see the documentation
- * for these functions.
- */
-
-/**
- * drm_atomic_helper_crtc_reset - default &drm_crtc_funcs.reset hook for CRTCs
- * @crtc: drm CRTC
- *
- * Resets the atomic state for @crtc by freeing the state pointer (which might
- * be NULL, e.g. at driver load time) and allocating a new empty state object.
- */
-void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc)
-{
- if (crtc->state)
- __drm_atomic_helper_crtc_destroy_state(crtc->state);
-
- kfree(crtc->state);
- crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
-
- if (crtc->state)
- crtc->state->crtc = crtc;
-}
-EXPORT_SYMBOL(drm_atomic_helper_crtc_reset);
-
-/**
- * __drm_atomic_helper_crtc_duplicate_state - copy atomic CRTC state
- * @crtc: CRTC object
- * @state: atomic CRTC state
- *
- * Copies atomic state from a CRTC's current state and resets inferred values.
- * This is useful for drivers that subclass the CRTC state.
- */
-void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
- struct drm_crtc_state *state)
-{
- memcpy(state, crtc->state, sizeof(*state));
-
- if (state->mode_blob)
- drm_property_blob_get(state->mode_blob);
- if (state->degamma_lut)
- drm_property_blob_get(state->degamma_lut);
- if (state->ctm)
- drm_property_blob_get(state->ctm);
- if (state->gamma_lut)
- drm_property_blob_get(state->gamma_lut);
- state->mode_changed = false;
- state->active_changed = false;
- state->planes_changed = false;
- state->connectors_changed = false;
- state->color_mgmt_changed = false;
- state->zpos_changed = false;
- state->commit = NULL;
- state->event = NULL;
- state->pageflip_flags = 0;
-}
-EXPORT_SYMBOL(__drm_atomic_helper_crtc_duplicate_state);
-
-/**
- * drm_atomic_helper_crtc_duplicate_state - default state duplicate hook
- * @crtc: drm CRTC
- *
- * Default CRTC state duplicate hook for drivers which don't have their own
- * subclassed CRTC state structure.
- */
-struct drm_crtc_state *
-drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc)
-{
- struct drm_crtc_state *state;
-
- if (WARN_ON(!crtc->state))
- return NULL;
-
- state = kmalloc(sizeof(*state), GFP_KERNEL);
- if (state)
- __drm_atomic_helper_crtc_duplicate_state(crtc, state);
-
- return state;
-}
-EXPORT_SYMBOL(drm_atomic_helper_crtc_duplicate_state);
-
-/**
- * __drm_atomic_helper_crtc_destroy_state - release CRTC state
- * @state: CRTC state object to release
- *
- * Releases all resources stored in the CRTC state without actually freeing
- * the memory of the CRTC state. This is useful for drivers that subclass the
- * CRTC state.
- */
-void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state)
-{
- if (state->commit) {
- /*
- * In the event that a non-blocking commit returns
- * -ERESTARTSYS before the commit_tail work is queued, we will
- * have an extra reference to the commit object. Release it, if
- * the event has not been consumed by the worker.
- *
- * state->event may be freed, so we can't directly look at
- * state->event->base.completion.
- */
- if (state->event && state->commit->abort_completion)
- drm_crtc_commit_put(state->commit);
-
- kfree(state->commit->event);
- state->commit->event = NULL;
-
- drm_crtc_commit_put(state->commit);
- }
-
- drm_property_blob_put(state->mode_blob);
- drm_property_blob_put(state->degamma_lut);
- drm_property_blob_put(state->ctm);
- drm_property_blob_put(state->gamma_lut);
-}
-EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state);
-
-/**
- * drm_atomic_helper_crtc_destroy_state - default state destroy hook
- * @crtc: drm CRTC
- * @state: CRTC state object to release
- *
- * Default CRTC state destroy hook for drivers which don't have their own
- * subclassed CRTC state structure.
- */
-void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
- struct drm_crtc_state *state)
-{
- __drm_atomic_helper_crtc_destroy_state(state);
- kfree(state);
-}
-EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);
-
-/**
- * __drm_atomic_helper_plane_reset - resets planes state to default values
- * @plane: plane object, must not be NULL
- * @state: atomic plane state, must not be NULL
- *
- * Initializes plane state to default. This is useful for drivers that subclass
- * the plane state.
- */
-void __drm_atomic_helper_plane_reset(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- state->plane = plane;
- state->rotation = DRM_MODE_ROTATE_0;
-
- state->alpha = DRM_BLEND_ALPHA_OPAQUE;
- state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI;
-
- plane->state = state;
-}
-EXPORT_SYMBOL(__drm_atomic_helper_plane_reset);
-
-/**
- * drm_atomic_helper_plane_reset - default &drm_plane_funcs.reset hook for planes
- * @plane: drm plane
- *
- * Resets the atomic state for @plane by freeing the state pointer (which might
- * be NULL, e.g. at driver load time) and allocating a new empty state object.
- */
-void drm_atomic_helper_plane_reset(struct drm_plane *plane)
-{
- if (plane->state)
- __drm_atomic_helper_plane_destroy_state(plane->state);
-
- kfree(plane->state);
- plane->state = kzalloc(sizeof(*plane->state), GFP_KERNEL);
- if (plane->state)
- __drm_atomic_helper_plane_reset(plane, plane->state);
-}
-EXPORT_SYMBOL(drm_atomic_helper_plane_reset);
-
-/**
- * __drm_atomic_helper_plane_duplicate_state - copy atomic plane state
- * @plane: plane object
- * @state: atomic plane state
- *
- * Copies atomic state from a plane's current state. This is useful for
- * drivers that subclass the plane state.
- */
-void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- memcpy(state, plane->state, sizeof(*state));
-
- if (state->fb)
- drm_framebuffer_get(state->fb);
-
- state->fence = NULL;
- state->commit = NULL;
-}
-EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state);
-
-/**
- * drm_atomic_helper_plane_duplicate_state - default state duplicate hook
- * @plane: drm plane
- *
- * Default plane state duplicate hook for drivers which don't have their own
- * subclassed plane state structure.
- */
-struct drm_plane_state *
-drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane)
-{
- struct drm_plane_state *state;
-
- if (WARN_ON(!plane->state))
- return NULL;
-
- state = kmalloc(sizeof(*state), GFP_KERNEL);
- if (state)
- __drm_atomic_helper_plane_duplicate_state(plane, state);
-
- return state;
-}
-EXPORT_SYMBOL(drm_atomic_helper_plane_duplicate_state);
-
-/**
- * __drm_atomic_helper_plane_destroy_state - release plane state
- * @state: plane state object to release
- *
- * Releases all resources stored in the plane state without actually freeing
- * the memory of the plane state. This is useful for drivers that subclass the
- * plane state.
- */
-void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state)
-{
- if (state->fb)
- drm_framebuffer_put(state->fb);
-
- if (state->fence)
- dma_fence_put(state->fence);
-
- if (state->commit)
- drm_crtc_commit_put(state->commit);
-}
-EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state);
-
-/**
- * drm_atomic_helper_plane_destroy_state - default state destroy hook
- * @plane: drm plane
- * @state: plane state object to release
- *
- * Default plane state destroy hook for drivers which don't have their own
- * subclassed plane state structure.
- */
-void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- __drm_atomic_helper_plane_destroy_state(state);
- kfree(state);
-}
-EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
-
-/**
- * __drm_atomic_helper_connector_reset - reset state on connector
- * @connector: drm connector
- * @conn_state: connector state to assign
- *
- * Initializes the newly allocated @conn_state and assigns it to
- * the &drm_conector->state pointer of @connector, usually required when
- * initializing the drivers or when called from the &drm_connector_funcs.reset
- * hook.
- *
- * This is useful for drivers that subclass the connector state.
- */
-void
-__drm_atomic_helper_connector_reset(struct drm_connector *connector,
- struct drm_connector_state *conn_state)
-{
- if (conn_state)
- conn_state->connector = connector;
-
- connector->state = conn_state;
-}
-EXPORT_SYMBOL(__drm_atomic_helper_connector_reset);
-
-/**
- * drm_atomic_helper_connector_reset - default &drm_connector_funcs.reset hook for connectors
- * @connector: drm connector
- *
- * Resets the atomic state for @connector by freeing the state pointer (which
- * might be NULL, e.g. at driver load time) and allocating a new empty state
- * object.
- */
-void drm_atomic_helper_connector_reset(struct drm_connector *connector)
-{
- struct drm_connector_state *conn_state =
- kzalloc(sizeof(*conn_state), GFP_KERNEL);
-
- if (connector->state)
- __drm_atomic_helper_connector_destroy_state(connector->state);
-
- kfree(connector->state);
- __drm_atomic_helper_connector_reset(connector, conn_state);
-}
-EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
-
-/**
- * __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
- * @connector: connector object
- * @state: atomic connector state
- *
- * Copies atomic state from a connector's current state. This is useful for
- * drivers that subclass the connector state.
- */
-void
-__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
- struct drm_connector_state *state)
-{
- memcpy(state, connector->state, sizeof(*state));
- if (state->crtc)
- drm_connector_get(connector);
- state->commit = NULL;
-
- /* Don't copy over a writeback job, they are used only once */
- state->writeback_job = NULL;
-}
-EXPORT_SYMBOL(__drm_atomic_helper_connector_duplicate_state);
-
-/**
- * drm_atomic_helper_connector_duplicate_state - default state duplicate hook
- * @connector: drm connector
- *
- * Default connector state duplicate hook for drivers which don't have their own
- * subclassed connector state structure.
- */
-struct drm_connector_state *
-drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector)
-{
- struct drm_connector_state *state;
-
- if (WARN_ON(!connector->state))
- return NULL;
-
- state = kmalloc(sizeof(*state), GFP_KERNEL);
- if (state)
- __drm_atomic_helper_connector_duplicate_state(connector, state);
-
- return state;
-}
-EXPORT_SYMBOL(drm_atomic_helper_connector_duplicate_state);
-
-/**
- * drm_atomic_helper_duplicate_state - duplicate an atomic state object
- * @dev: DRM device
- * @ctx: lock acquisition context
- *
- * Makes a copy of the current atomic state by looping over all objects and
- * duplicating their respective states. This is used for example by suspend/
- * resume support code to save the state prior to suspend such that it can
- * be restored upon resume.
- *
- * Note that this treats atomic state as persistent between save and restore.
- * Drivers must make sure that this is possible and won't result in confusion
- * or erroneous behaviour.
- *
- * Note that if callers haven't already acquired all modeset locks this might
- * return -EDEADLK, which must be handled by calling drm_modeset_backoff().
- *
- * Returns:
- * A pointer to the copy of the atomic state object on success or an
- * ERR_PTR()-encoded error code on failure.
- *
- * See also:
- * drm_atomic_helper_suspend(), drm_atomic_helper_resume()
- */
-struct drm_atomic_state *
-drm_atomic_helper_duplicate_state(struct drm_device *dev,
- struct drm_modeset_acquire_ctx *ctx)
-{
- struct drm_atomic_state *state;
- struct drm_connector *conn;
- struct drm_connector_list_iter conn_iter;
- struct drm_plane *plane;
- struct drm_crtc *crtc;
- int err = 0;
-
- state = drm_atomic_state_alloc(dev);
- if (!state)
- return ERR_PTR(-ENOMEM);
-
- state->acquire_ctx = ctx;
-
- drm_for_each_crtc(crtc, dev) {
- struct drm_crtc_state *crtc_state;
-
- crtc_state = drm_atomic_get_crtc_state(state, crtc);
- if (IS_ERR(crtc_state)) {
- err = PTR_ERR(crtc_state);
- goto free;
- }
- }
-
- drm_for_each_plane(plane, dev) {
- struct drm_plane_state *plane_state;
-
- plane_state = drm_atomic_get_plane_state(state, plane);
- if (IS_ERR(plane_state)) {
- err = PTR_ERR(plane_state);
- goto free;
- }
- }
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(conn, &conn_iter) {
- struct drm_connector_state *conn_state;
-
- conn_state = drm_atomic_get_connector_state(state, conn);
- if (IS_ERR(conn_state)) {
- err = PTR_ERR(conn_state);
- drm_connector_list_iter_end(&conn_iter);
- goto free;
- }
- }
- drm_connector_list_iter_end(&conn_iter);
-
- /* clear the acquire context so that it isn't accidentally reused */
- state->acquire_ctx = NULL;
-
-free:
- if (err < 0) {
- drm_atomic_state_put(state);
- state = ERR_PTR(err);
- }
-
- return state;
-}
-EXPORT_SYMBOL(drm_atomic_helper_duplicate_state);
-
-/**
- * __drm_atomic_helper_connector_destroy_state - release connector state
- * @state: connector state object to release
- *
- * Releases all resources stored in the connector state without actually
- * freeing the memory of the connector state. This is useful for drivers that
- * subclass the connector state.
- */
-void
-__drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state)
-{
- if (state->crtc)
- drm_connector_put(state->connector);
-
- if (state->commit)
- drm_crtc_commit_put(state->commit);
-}
-EXPORT_SYMBOL(__drm_atomic_helper_connector_destroy_state);
-
-/**
- * drm_atomic_helper_connector_destroy_state - default state destroy hook
- * @connector: drm connector
- * @state: connector state object to release
- *
- * Default connector state destroy hook for drivers which don't have their own
- * subclassed connector state structure.
- */
-void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
- struct drm_connector_state *state)
-{
- __drm_atomic_helper_connector_destroy_state(state);
- kfree(state);
-}
-EXPORT_SYMBOL(drm_atomic_helper_connector_destroy_state);
-
-/**
- * drm_atomic_helper_legacy_gamma_set - set the legacy gamma correction table
- * @crtc: CRTC object
- * @red: red correction table
- * @green: green correction table
- * @blue: green correction table
- * @size: size of the tables
- * @ctx: lock acquire context
- *
- * Implements support for legacy gamma correction table for drivers
- * that support color management through the DEGAMMA_LUT/GAMMA_LUT
- * properties. See drm_crtc_enable_color_mgmt() and the containing chapter for
- * how the atomic color management and gamma tables work.
- */
-int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
- u16 *red, u16 *green, u16 *blue,
- uint32_t size,
- struct drm_modeset_acquire_ctx *ctx)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_atomic_state *state;
- struct drm_crtc_state *crtc_state;
- struct drm_property_blob *blob = NULL;
- struct drm_color_lut *blob_data;
- int i, ret = 0;
- bool replaced;
-
- state = drm_atomic_state_alloc(crtc->dev);
- if (!state)
- return -ENOMEM;
-
- blob = drm_property_create_blob(dev,
- sizeof(struct drm_color_lut) * size,
- NULL);
- if (IS_ERR(blob)) {
- ret = PTR_ERR(blob);
- blob = NULL;
- goto fail;
- }
-
- /* Prepare GAMMA_LUT with the legacy values. */
- blob_data = blob->data;
- for (i = 0; i < size; i++) {
- blob_data[i].red = red[i];
- blob_data[i].green = green[i];
- blob_data[i].blue = blue[i];
- }
-
- state->acquire_ctx = ctx;
- crtc_state = drm_atomic_get_crtc_state(state, crtc);
- if (IS_ERR(crtc_state)) {
- ret = PTR_ERR(crtc_state);
- goto fail;
- }
-
- /* Reset DEGAMMA_LUT and CTM properties. */
- replaced = drm_property_replace_blob(&crtc_state->degamma_lut, NULL);
- replaced |= drm_property_replace_blob(&crtc_state->ctm, NULL);
- replaced |= drm_property_replace_blob(&crtc_state->gamma_lut, blob);
- crtc_state->color_mgmt_changed |= replaced;
-
- ret = drm_atomic_commit(state);
-
-fail:
- drm_atomic_state_put(state);
- drm_property_blob_put(blob);
- return ret;
-}
-EXPORT_SYMBOL(drm_atomic_helper_legacy_gamma_set);
-
-/**
- * __drm_atomic_helper_private_duplicate_state - copy atomic private state
- * @obj: CRTC object
- * @state: new private object state
- *
- * Copies atomic state from a private objects's current state and resets inferred values.
- * This is useful for drivers that subclass the private state.
- */
-void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
- struct drm_private_state *state)
-{
- memcpy(state, obj->state, sizeof(*state));
-}
-EXPORT_SYMBOL(__drm_atomic_helper_private_obj_duplicate_state);
if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL &&
connector_type != DRM_MODE_CONNECTOR_WRITEBACK)
- drm_object_attach_property(&connector->base,
- config->edid_property,
- 0);
+ drm_connector_attach_edid_property(connector);
drm_object_attach_property(&connector->base,
config->dpms_property, 0);
}
EXPORT_SYMBOL(drm_connector_init);
+/**
+ * drm_connector_attach_edid_property - attach edid property.
+ * @connector: the connector
+ *
+ * Some connector types like DRM_MODE_CONNECTOR_VIRTUAL do not get a
+ * edid property attached by default. This function can be used to
+ * explicitly enable the edid property in these cases.
+ */
+void drm_connector_attach_edid_property(struct drm_connector *connector)
+{
+ struct drm_mode_config *config = &connector->dev->mode_config;
+
+ drm_object_attach_property(&connector->base,
+ config->edid_property,
+ 0);
+}
+EXPORT_SYMBOL(drm_connector_attach_edid_property);
+
/**
* drm_connector_attach_encoder - attach a connector to an encoder
* @connector: connector to attach
/* The connector should have been removed from userspace long before
* it is finally destroyed.
*/
- if (WARN_ON(connector->registered))
+ if (WARN_ON(connector->registration_state ==
+ DRM_CONNECTOR_REGISTERED))
drm_connector_unregister(connector);
if (connector->tile_group) {
return 0;
mutex_lock(&connector->mutex);
- if (connector->registered)
+ if (connector->registration_state != DRM_CONNECTOR_INITIALIZING)
goto unlock;
ret = drm_sysfs_connector_add(connector);
drm_mode_object_register(connector->dev, &connector->base);
- connector->registered = true;
+ connector->registration_state = DRM_CONNECTOR_REGISTERED;
goto unlock;
err_debugfs:
void drm_connector_unregister(struct drm_connector *connector)
{
mutex_lock(&connector->mutex);
- if (!connector->registered) {
+ if (connector->registration_state != DRM_CONNECTOR_REGISTERED) {
mutex_unlock(&connector->mutex);
return;
}
drm_sysfs_connector_remove(connector);
drm_debugfs_connector_remove(connector);
- connector->registered = false;
+ connector->registration_state = DRM_CONNECTOR_UNREGISTERED;
mutex_unlock(&connector->mutex);
}
EXPORT_SYMBOL(drm_connector_unregister);
EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_obj);
/**
- * drm_fb_cma_get_gem_addr() - Get physical address for framebuffer
+ * drm_fb_cma_get_gem_addr() - Get physical address for framebuffer, for pixel
+ * formats where values are grouped in blocks this will get you the beginning of
+ * the block
* @fb: The framebuffer
* @state: Which state of drm plane
* @plane: Which plane
struct drm_gem_cma_object *obj;
dma_addr_t paddr;
u8 h_div = 1, v_div = 1;
+ u32 block_w = drm_format_info_block_width(fb->format, plane);
+ u32 block_h = drm_format_info_block_height(fb->format, plane);
+ u32 block_size = fb->format->char_per_block[plane];
+ u32 sample_x;
+ u32 sample_y;
+ u32 block_start_y;
+ u32 num_hblocks;
obj = drm_fb_cma_get_gem_obj(fb, plane);
if (!obj)
v_div = fb->format->vsub;
}
- paddr += (fb->format->cpp[plane] * (state->src_x >> 16)) / h_div;
- paddr += (fb->pitches[plane] * (state->src_y >> 16)) / v_div;
+ sample_x = (state->src_x >> 16) / h_div;
+ sample_y = (state->src_y >> 16) / v_div;
+ block_start_y = (sample_y / block_h) * block_h;
+ num_hblocks = sample_x / block_w;
+
+ paddr += fb->pitches[plane] * block_start_y;
+ paddr += block_size * num_hblocks;
return paddr;
}
/* dev->fb_helper will indirectly point to fbdev_cma after this call */
fbdev_cma = drm_fbdev_cma_init(dev, preferred_bpp, max_conn_count);
- if (IS_ERR(fbdev_cma))
- return PTR_ERR(fbdev_cma);
-
- return 0;
+ return PTR_ERR_OR_ZERO(fbdev_cma);
}
EXPORT_SYMBOL_GPL(drm_fb_cma_fbdev_init);
fb_helper = &fbdev_cma->fb_helper;
- ret = drm_client_new(dev, &fb_helper->client, "fbdev", NULL);
+ ret = drm_client_init(dev, &fb_helper->client, "fbdev", NULL);
if (ret)
goto err_free;
if (ret)
goto err_client_put;
+ drm_client_add(&fb_helper->client);
+
return fbdev_cma;
err_client_put:
drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
}
EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
-
-/**
- * drm_fbdev_cma_set_suspend_unlocked - wrapper around
- * drm_fb_helper_set_suspend_unlocked
- * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
- * @state: desired state, zero to resume, non-zero to suspend
- *
- * Calls drm_fb_helper_set_suspend, which is a wrapper around
- * fb_set_suspend implemented by fbdev core.
- */
-void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
- bool state)
-{
- if (fbdev_cma)
- drm_fb_helper_set_suspend_unlocked(&fbdev_cma->fb_helper,
- state);
-}
-EXPORT_SYMBOL(drm_fbdev_cma_set_suspend_unlocked);
}
EXPORT_SYMBOL(drm_fb_helper_ioctl);
+ static bool drm_fb_pixel_format_equal(const struct fb_var_screeninfo *var_1,
+ const struct fb_var_screeninfo *var_2)
+ {
+ return var_1->bits_per_pixel == var_2->bits_per_pixel &&
+ var_1->grayscale == var_2->grayscale &&
+ var_1->red.offset == var_2->red.offset &&
+ var_1->red.length == var_2->red.length &&
+ var_1->red.msb_right == var_2->red.msb_right &&
+ var_1->green.offset == var_2->green.offset &&
+ var_1->green.length == var_2->green.length &&
+ var_1->green.msb_right == var_2->green.msb_right &&
+ var_1->blue.offset == var_2->blue.offset &&
+ var_1->blue.length == var_2->blue.length &&
+ var_1->blue.msb_right == var_2->blue.msb_right &&
+ var_1->transp.offset == var_2->transp.offset &&
+ var_1->transp.length == var_2->transp.length &&
+ var_1->transp.msb_right == var_2->transp.msb_right;
+ }
+
/**
* drm_fb_helper_check_var - implementation for &fb_ops.fb_check_var
* @var: screeninfo to check
{
struct drm_fb_helper *fb_helper = info->par;
struct drm_framebuffer *fb = fb_helper->fb;
- int depth;
if (var->pixclock != 0 || in_dbg_master())
return -EINVAL;
+ if ((drm_format_info_block_width(fb->format, 0) > 1) ||
+ (drm_format_info_block_height(fb->format, 0) > 1))
+ return -EINVAL;
+
/*
* Changes struct fb_var_screeninfo are currently not pushed back
* to KMS, hence fail if different settings are requested.
return -EINVAL;
}
- switch (var->bits_per_pixel) {
- case 16:
- depth = (var->green.length == 6) ? 16 : 15;
- break;
- case 32:
- depth = (var->transp.length > 0) ? 32 : 24;
- break;
- default:
- depth = var->bits_per_pixel;
- break;
- }
-
- switch (depth) {
- case 8:
- var->red.offset = 0;
- var->green.offset = 0;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 15:
- var->red.offset = 10;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 5;
- var->blue.length = 5;
- var->transp.length = 1;
- var->transp.offset = 15;
- break;
- case 16:
- var->red.offset = 11;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 6;
- var->blue.length = 5;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 24:
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 32:
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 8;
- var->transp.offset = 24;
- break;
- default:
+ /*
+ * drm fbdev emulation doesn't support changing the pixel format at all,
+ * so reject all pixel format changing requests.
+ */
+ if (!drm_fb_pixel_format_equal(var, &info->var)) {
+ DRM_DEBUG("fbdev emulation doesn't support changing the pixel format\n");
return -EINVAL;
}
+
return 0;
}
EXPORT_SYMBOL(drm_fb_helper_check_var);
{
struct drm_framebuffer *fb = fb_helper->fb;
+ WARN_ON((drm_format_info_block_width(fb->format, 0) > 1) ||
+ (drm_format_info_block_height(fb->format, 0) > 1));
info->pseudo_palette = fb_helper->pseudo_palette;
info->var.xres_virtual = fb->width;
info->var.yres_virtual = fb->height;
if (!fb_helper)
return -ENOMEM;
- ret = drm_client_new(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
+ ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
if (ret) {
kfree(fb_helper);
DRM_DEV_ERROR(dev->dev, "Failed to register client: %d\n", ret);
return ret;
}
+ drm_client_add(&fb_helper->client);
+
fb_helper->preferred_bpp = preferred_bpp;
ret = drm_fbdev_client_hotplug(&fb_helper->client);
master = master->lessor;
return master;
}
-EXPORT_SYMBOL(drm_lease_owner);
/**
* _drm_find_lessee - find lessee by id (idr_mutex held)
return _drm_lease_held_master(file_priv->master, id);
}
-EXPORT_SYMBOL(_drm_lease_held);
/**
* drm_lease_held - check drm_mode_object lease status (idr_mutex not held)
mutex_unlock(&master->dev->mode_config.idr_mutex);
return ret;
}
-EXPORT_SYMBOL(drm_lease_held);
/**
* drm_lease_filter_crtcs - restricted crtc set to leased values (idr_mutex not held)
mutex_unlock(&master->dev->mode_config.idr_mutex);
return crtcs_out;
}
-EXPORT_SYMBOL(drm_lease_filter_crtcs);
/*
* drm_lease_create - create a new drm_master with leased objects (idr_mutex not held)
* make sure all of the desired objects can be leased, atomically
* leasing them to the new drmmaster.
*
- * ERR_PTR(-EACCESS) some other master holds the title to any object
+ * ERR_PTR(-EACCES) some other master holds the title to any object
* ERR_PTR(-ENOENT) some object is not a valid DRM object for this device
* ERR_PTR(-EBUSY) some other lessee holds title to this object
* ERR_PTR(-EEXIST) same object specified more than once in the provided list
}
static int validate_lease(struct drm_device *dev,
- struct drm_file *lessor_priv,
int object_count,
- struct drm_mode_object **objects)
+ struct drm_mode_object **objects,
+ bool universal_planes)
{
int o;
int has_crtc = -1;
if (objects[o]->type == DRM_MODE_OBJECT_CONNECTOR && has_connector == -1)
has_connector = o;
- if (lessor_priv->universal_planes) {
+ if (universal_planes) {
if (objects[o]->type == DRM_MODE_OBJECT_PLANE && has_plane == -1)
has_plane = o;
}
}
if (has_crtc == -1 || has_connector == -1)
return -EINVAL;
- if (lessor_priv->universal_planes && has_plane == -1)
+ if (universal_planes && has_plane == -1)
return -EINVAL;
return 0;
}
struct drm_mode_object **objects;
u32 o;
int ret;
+ bool universal_planes = READ_ONCE(lessor_priv->universal_planes);
+
objects = kcalloc(object_count, sizeof(struct drm_mode_object *),
GFP_KERNEL);
if (!objects)
}
if (!drm_mode_object_lease_required(objects[o]->type)) {
+ DRM_DEBUG_KMS("invalid object for lease\n");
ret = -EINVAL;
goto out_free_objects;
}
}
- ret = validate_lease(dev, lessor_priv, object_count, objects);
- if (ret)
+ ret = validate_lease(dev, object_count, objects, universal_planes);
+ if (ret) {
+ DRM_DEBUG_LEASE("lease validation failed\n");
goto out_free_objects;
+ }
/* add their IDs to the lease request - taking into account
universal planes */
object_id, ret);
goto out_free_objects;
}
- if (obj->type == DRM_MODE_OBJECT_CRTC && !lessor_priv->universal_planes) {
+ if (obj->type == DRM_MODE_OBJECT_CRTC && !universal_planes) {
struct drm_crtc *crtc = obj_to_crtc(obj);
ret = idr_alloc(leases, &drm_lease_idr_object, crtc->primary->base.id, crtc->primary->base.id + 1, GFP_KERNEL);
if (ret < 0) {
return -EOPNOTSUPP;
/* Do not allow sub-leases */
- if (lessor->lessor)
+ if (lessor->lessor) {
+ DRM_DEBUG_LEASE("recursive leasing not allowed\n");
return -EINVAL;
+ }
/* need some objects */
- if (cl->object_count == 0)
+ if (cl->object_count == 0) {
+ DRM_DEBUG_LEASE("no objects in lease\n");
return -EINVAL;
+ }
- if (cl->flags && (cl->flags & ~(O_CLOEXEC | O_NONBLOCK)))
+ if (cl->flags && (cl->flags & ~(O_CLOEXEC | O_NONBLOCK))) {
+ DRM_DEBUG_LEASE("invalid flags\n");
return -EINVAL;
+ }
object_count = cl->object_count;
object_count, object_ids);
kfree(object_ids);
if (ret) {
+ DRM_DEBUG_LEASE("lease object lookup failed: %i\n", ret);
idr_destroy(&leases);
return ret;
}
lessee_priv->is_master = 1;
lessee_priv->authenticated = 1;
- /* Hook up the fd */
- fd_install(fd, lessee_file);
-
/* Pass fd back to userspace */
DRM_DEBUG_LEASE("Returning fd %d id %d\n", fd, lessee->lessee_id);
cl->fd = fd;
cl->lessee_id = lessee->lessee_id;
+ /* Hook up the fd */
+ fd_install(fd, lessee_file);
+
DRM_DEBUG_LEASE("drm_mode_create_lease_ioctl succeeded\n");
return 0;
/**
* @prepare: the time (in milliseconds) that it takes for the panel to
* become ready and start receiving video data
+ * @hpd_absent_delay: Add this to the prepare delay if we know Hot
+ * Plug Detect isn't used.
* @enable: the time (in milliseconds) that it takes for the panel to
* display the first valid frame after starting to receive
* video data
*/
struct {
unsigned int prepare;
+ unsigned int hpd_absent_delay;
unsigned int enable;
unsigned int disable;
unsigned int unprepare;
struct drm_panel base;
bool prepared;
bool enabled;
+ bool no_hpd;
const struct panel_desc *desc;
static int panel_simple_prepare(struct drm_panel *panel)
{
struct panel_simple *p = to_panel_simple(panel);
+ unsigned int delay;
int err;
if (p->prepared)
gpiod_set_value_cansleep(p->enable_gpio, 1);
- if (p->desc->delay.prepare)
- msleep(p->desc->delay.prepare);
+ delay = p->desc->delay.prepare;
+ if (p->no_hpd)
+ delay += p->desc->delay.hpd_absent_delay;
+ if (delay)
+ msleep(delay);
p->prepared = true;
panel->prepared = false;
panel->desc = desc;
+ panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd");
+
panel->supply = devm_regulator_get(dev, "power");
if (IS_ERR(panel->supply))
return PTR_ERR(panel->supply);
},
};
+static const struct drm_display_mode bananapi_s070wv20_ct16_mode = {
+ .clock = 30000,
+ .hdisplay = 800,
+ .hsync_start = 800 + 40,
+ .hsync_end = 800 + 40 + 48,
+ .htotal = 800 + 40 + 48 + 40,
+ .vdisplay = 480,
+ .vsync_start = 480 + 13,
+ .vsync_end = 480 + 13 + 3,
+ .vtotal = 480 + 13 + 3 + 29,
+};
+
+static const struct panel_desc bananapi_s070wv20_ct16 = {
+ .modes = &bananapi_s070wv20_ct16_mode,
+ .num_modes = 1,
+ .bpc = 6,
+ .size = {
+ .width = 154,
+ .height = 86,
+ },
+};
+
static const struct drm_display_mode boe_hv070wsa_mode = {
- .clock = 40800,
+ .clock = 42105,
.hdisplay = 1024,
- .hsync_start = 1024 + 90,
- .hsync_end = 1024 + 90 + 90,
- .htotal = 1024 + 90 + 90 + 90,
+ .hsync_start = 1024 + 30,
+ .hsync_end = 1024 + 30 + 30,
+ .htotal = 1024 + 30 + 30 + 30,
.vdisplay = 600,
- .vsync_start = 600 + 3,
- .vsync_end = 600 + 3 + 4,
- .vtotal = 600 + 3 + 4 + 3,
+ .vsync_start = 600 + 10,
+ .vsync_end = 600 + 10 + 10,
+ .vtotal = 600 + 10 + 10 + 10,
.vrefresh = 60,
};
},
};
+static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
+ .clock = 9000,
+ .hdisplay = 480,
+ .hsync_start = 480 + 5,
+ .hsync_end = 480 + 5 + 5,
+ .htotal = 480 + 5 + 5 + 40,
+ .vdisplay = 272,
+ .vsync_start = 272 + 8,
+ .vsync_end = 272 + 8 + 8,
+ .vtotal = 272 + 8 + 8 + 8,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc cdtech_s043wq26h_ct7 = {
+ .modes = &cdtech_s043wq26h_ct7_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 95,
+ .height = 54,
+ },
+ .bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE,
+};
+
+static const struct drm_display_mode cdtech_s070wv95_ct16_mode = {
+ .clock = 35000,
+ .hdisplay = 800,
+ .hsync_start = 800 + 40,
+ .hsync_end = 800 + 40 + 40,
+ .htotal = 800 + 40 + 40 + 48,
+ .vdisplay = 480,
+ .vsync_start = 480 + 29,
+ .vsync_end = 480 + 29 + 13,
+ .vtotal = 480 + 29 + 13 + 3,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc cdtech_s070wv95_ct16 = {
+ .modes = &cdtech_s070wv95_ct16_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 154,
+ .height = 85,
+ },
+};
+
static const struct drm_display_mode chunghwa_claa070wp03xg_mode = {
.clock = 66770,
.hdisplay = 800,
.bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
};
+static const struct display_timing dlc_dlc1010gig_timing = {
+ .pixelclock = { 68900000, 71100000, 73400000 },
+ .hactive = { 1280, 1280, 1280 },
+ .hfront_porch = { 43, 53, 63 },
+ .hback_porch = { 43, 53, 63 },
+ .hsync_len = { 44, 54, 64 },
+ .vactive = { 800, 800, 800 },
+ .vfront_porch = { 5, 8, 11 },
+ .vback_porch = { 5, 8, 11 },
+ .vsync_len = { 5, 7, 11 },
+ .flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc dlc_dlc1010gig = {
+ .timings = &dlc_dlc1010gig_timing,
+ .num_timings = 1,
+ .bpc = 8,
+ .size = {
+ .width = 216,
+ .height = 135,
+ },
+ .delay = {
+ .prepare = 60,
+ .enable = 150,
+ .disable = 100,
+ .unprepare = 60,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+};
+
static const struct drm_display_mode edt_et057090dhu_mode = {
.clock = 25175,
.hdisplay = 640,
},
};
- static const struct drm_display_mode innolux_tv123wam_mode = {
+ static const struct drm_display_mode innolux_p120zdg_bf1_mode = {
.clock = 206016,
.hdisplay = 2160,
.hsync_start = 2160 + 48,
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
};
- static const struct panel_desc innolux_tv123wam = {
- .modes = &innolux_tv123wam_mode,
+ static const struct panel_desc innolux_p120zdg_bf1 = {
+ .modes = &innolux_p120zdg_bf1_mode,
.num_modes = 1,
.bpc = 8,
.size = {
- .width = 259,
- .height = 173,
+ .width = 254,
+ .height = 169,
},
.delay = {
+ .hpd_absent_delay = 200,
.unprepare = 500,
},
};
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};
+static const struct drm_display_mode arm_rtsm_mode[] = {
+ {
+ .clock = 65000,
+ .hdisplay = 1024,
+ .hsync_start = 1024 + 24,
+ .hsync_end = 1024 + 24 + 136,
+ .htotal = 1024 + 24 + 136 + 160,
+ .vdisplay = 768,
+ .vsync_start = 768 + 3,
+ .vsync_end = 768 + 3 + 6,
+ .vtotal = 768 + 3 + 6 + 29,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+ },
+};
+
+static const struct panel_desc arm_rtsm = {
+ .modes = arm_rtsm_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 400,
+ .height = 300,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+};
+
static const struct of_device_id platform_of_match[] = {
{
.compatible = "ampire,am-480272h3tmqw-t01h",
}, {
.compatible = "ampire,am800480r3tmqwa1h",
.data = &ire_am800480r3tmqwa1h,
+ }, {
+ .compatible = "arm,rtsm-display",
+ .data = &arm_rtsm,
}, {
.compatible = "auo,b101aw03",
.data = &auo_b101aw03,
}, {
.compatible = "avic,tm070ddh03",
.data = &avic_tm070ddh03,
+ }, {
+ .compatible = "bananapi,s070wv20-ct16",
+ .data = &bananapi_s070wv20_ct16,
}, {
.compatible = "boe,hv070wsa-100",
.data = &boe_hv070wsa
}, {
.compatible = "boe,nv101wxmn51",
.data = &boe_nv101wxmn51,
+ }, {
+ .compatible = "cdtech,s043wq26h-ct7",
+ .data = &cdtech_s043wq26h_ct7,
+ }, {
+ .compatible = "cdtech,s070wv95-ct16",
+ .data = &cdtech_s070wv95_ct16,
}, {
.compatible = "chunghwa,claa070wp03xg",
.data = &chunghwa_claa070wp03xg,
}, {
.compatible = "dlc,dlc0700yzg-1",
.data = &dlc_dlc0700yzg_1,
+ }, {
+ .compatible = "dlc,dlc1010gig",
+ .data = &dlc_dlc1010gig,
}, {
.compatible = "edt,et057090dhu",
.data = &edt_et057090dhu,
.compatible = "innolux,n156bge-l21",
.data = &innolux_n156bge_l21,
}, {
- .compatible = "innolux,tv123wam",
- .data = &innolux_tv123wam,
+ .compatible = "innolux,p120zdg-bf1",
+ .data = &innolux_p120zdg_bf1,
}, {
.compatible = "innolux,zj070na-01p",
.data = &innolux_zj070na_01p,
buffer[3] = 0;
buffer[3] = hdmi_infoframe_checksum(buffer, len + 4);
- if (hdmi_infoframe_unpack(&frame, buffer) < 0) {
+ if (hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)) < 0) {
v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
return;
}
state->xfer_func = format->format.xfer_func;
switch (format->format.colorspace) {
- case V4L2_COLORSPACE_ADOBERGB:
+ case V4L2_COLORSPACE_OPRGB:
c = HDMI_COLORIMETRY_EXTENDED;
- ec = y ? HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601 :
- HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB;
+ ec = y ? HDMI_EXTENDED_COLORIMETRY_OPYCC_601 :
+ HDMI_EXTENDED_COLORIMETRY_OPRGB;
break;
case V4L2_COLORSPACE_SMPTE170M:
c = y ? HDMI_COLORIMETRY_ITU_601 : HDMI_COLORIMETRY_NONE;
state->aspect_ratio.numerator = 16;
state->aspect_ratio.denominator = 9;
- if (!state->edid.present)
+ if (!state->edid.present) {
state->edid.blocks = 0;
+ cec_phys_addr_invalidate(state->cec_adap);
+ }
v4l2_dbg(2, debug, sd, "%s: clear EDID pad %d, edid.present = 0x%x\n",
__func__, edid->pad, state->edid.present);
edid->blocks = 2;
return -E2BIG;
}
- pa = cec_get_edid_phys_addr(edid->edid, edid->blocks * 128, &spa_loc);
- err = cec_phys_addr_validate(pa, &pa, NULL);
+ pa = v4l2_get_edid_phys_addr(edid->edid, edid->blocks * 128, &spa_loc);
+ err = v4l2_phys_addr_validate(pa, &pa, NULL);
if (err)
return err;
buffer[i + 3] = infoframe_read(sd,
adv76xx_cri[index].payload_addr + i);
- if (hdmi_infoframe_unpack(frame, buffer) < 0) {
+ if (hdmi_infoframe_unpack(frame, buffer, sizeof(buffer)) < 0) {
v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__,
adv76xx_cri[index].desc);
return -ENOENT;
"YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)",
"xvYCC Bt.601", "xvYCC Bt.709",
"YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)",
- "sYCC", "Adobe YCC 601", "AdobeRGB", "invalid", "invalid",
+ "sYCC", "opYCC 601", "opRGB", "invalid", "invalid",
"invalid", "invalid", "invalid"
};
static const char * const rgb_quantization_range_txt[] = {
static int adv76xx_parse_dt(struct adv76xx_state *state)
{
- struct v4l2_fwnode_endpoint bus_cfg;
+ struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
struct device_node *endpoint;
struct device_node *np;
unsigned int flags;
/* Disable I2C access to internal EDID ram from HDMI DDC ports */
rep_write_and_or(sd, 0x77, 0xf3, 0x00);
- if (!state->hdmi_edid.present)
+ if (!state->hdmi_edid.present) {
+ cec_phys_addr_invalidate(state->cec_adap);
return 0;
+ }
- pa = cec_get_edid_phys_addr(edid, 256, &spa_loc);
- err = cec_phys_addr_validate(pa, &pa, NULL);
+ pa = v4l2_get_edid_phys_addr(edid, 256, &spa_loc);
+ err = v4l2_phys_addr_validate(pa, &pa, NULL);
if (err)
return err;
v4l2_find_dv_timings_cap(timings, adv7842_get_dv_timings_cap(sd),
is_digital_input(sd) ? 250000 : 1000000,
adv7842_check_dv_timings, NULL);
+ timings->bt.flags |= V4L2_DV_FL_CAN_DETECT_REDUCED_FPS;
}
static int adv7842_query_dv_timings(struct v4l2_subdev *sd,
bt->il_vbackporch = 0;
}
adv7842_fill_optional_dv_timings_fields(sd, timings);
+ if ((timings->bt.flags & V4L2_DV_FL_CAN_REDUCE_FPS) &&
+ freq < bt->pixelclock) {
+ u32 reduced_freq = ((u32)bt->pixelclock / 1001) * 1000;
+ u32 delta_freq = abs(freq - reduced_freq);
+
+ if (delta_freq < ((u32)bt->pixelclock - reduced_freq) / 2)
+ timings->bt.flags |= V4L2_DV_FL_REDUCED_FPS;
+ }
} else {
/* find format
* Since LCVS values are inaccurate [REF_03, p. 339-340],
for (i = 0; i < len; i++)
buffer[i + 3] = infoframe_read(sd, cri->payload_addr + i);
- if (hdmi_infoframe_unpack(&frame, buffer) < 0) {
+ if (hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)) < 0) {
v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
return;
}
i2c_rd(sd, PK_AVI_0HEAD, buffer, HDMI_INFOFRAME_SIZE(AVI));
- if (hdmi_infoframe_unpack(&frame, buffer) < 0) {
+ if (hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)) < 0) {
v4l2_err(sd, "%s: unpack of AVI infoframe failed\n", __func__);
return;
}
u8 vi_status3 = i2c_rd8(sd, VI_STATUS3);
const int deep_color_mode[4] = { 8, 10, 12, 16 };
static const char * const input_color_space[] = {
- "RGB", "YCbCr 601", "Adobe RGB", "YCbCr 709", "NA (4)",
+ "RGB", "YCbCr 601", "opRGB", "YCbCr 709", "NA (4)",
"xvYCC 601", "NA(6)", "xvYCC 709", "NA(8)", "sYCC601",
- "NA(10)", "NA(11)", "NA(12)", "Adobe YCC 601"};
+ "NA(10)", "NA(11)", "NA(12)", "opYCC 601"};
v4l2_info(sd, "-----Chip status-----\n");
v4l2_info(sd, "Chip ID: 0x%02x\n",
{
struct tc358743_state *state = to_state(sd);
- cfg->type = V4L2_MBUS_CSI2;
+ cfg->type = V4L2_MBUS_CSI2_DPHY;
/* Support for non-continuous CSI-2 clock is missing in the driver */
cfg->flags = V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
return -E2BIG;
}
pa = cec_get_edid_phys_addr(edid->edid, edid->blocks * 128, NULL);
- err = cec_phys_addr_validate(pa, &pa, NULL);
+ err = v4l2_phys_addr_validate(pa, &pa, NULL);
if (err)
return err;
static int tc358743_probe_of(struct tc358743_state *state)
{
struct device *dev = &state->i2c_client->dev;
- struct v4l2_fwnode_endpoint *endpoint;
+ struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 };
struct device_node *ep;
struct clk *refclk;
u32 bps_pr_lane;
- int ret = -EINVAL;
+ int ret;
refclk = devm_clk_get(dev, "refclk");
if (IS_ERR(refclk)) {
return -EINVAL;
}
- endpoint = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(ep));
- if (IS_ERR(endpoint)) {
+ ret = v4l2_fwnode_endpoint_alloc_parse(of_fwnode_handle(ep), &endpoint);
+ if (ret) {
dev_err(dev, "failed to parse endpoint\n");
- ret = PTR_ERR(endpoint);
+ ret = ret;
goto put_node;
}
- if (endpoint->bus_type != V4L2_MBUS_CSI2 ||
- endpoint->bus.mipi_csi2.num_data_lanes == 0 ||
- endpoint->nr_of_link_frequencies == 0) {
+ if (endpoint.bus_type != V4L2_MBUS_CSI2_DPHY ||
+ endpoint.bus.mipi_csi2.num_data_lanes == 0 ||
+ endpoint.nr_of_link_frequencies == 0) {
dev_err(dev, "missing CSI-2 properties in endpoint\n");
+ ret = -EINVAL;
goto free_endpoint;
}
- if (endpoint->bus.mipi_csi2.num_data_lanes > 4) {
+ if (endpoint.bus.mipi_csi2.num_data_lanes > 4) {
dev_err(dev, "invalid number of lanes\n");
+ ret = -EINVAL;
goto free_endpoint;
}
- state->bus = endpoint->bus.mipi_csi2;
+ state->bus = endpoint.bus.mipi_csi2;
ret = clk_prepare_enable(refclk);
if (ret) {
* The CSI bps per lane must be between 62.5 Mbps and 1 Gbps.
* The default is 594 Mbps for 4-lane 1080p60 or 2-lane 720p60.
*/
- bps_pr_lane = 2 * endpoint->link_frequencies[0];
+ bps_pr_lane = 2 * endpoint.link_frequencies[0];
if (bps_pr_lane < 62500000U || bps_pr_lane > 1000000000U) {
dev_err(dev, "unsupported bps per lane: %u bps\n", bps_pr_lane);
goto disable_clk;
disable_clk:
clk_disable_unprepare(refclk);
free_endpoint:
- v4l2_fwnode_endpoint_free(endpoint);
+ v4l2_fwnode_endpoint_free(&endpoint);
put_node:
of_node_put(ep);
return ret;
/* read data */
len = io_readn(sd, addr, sizeof(buffer), buffer);
- err = hdmi_infoframe_unpack(&frame, buffer);
+ err = hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer));
if (err) {
v4l_err(state->client,
"failed parsing %d byte infoframe: 0x%04x/0x%02x\n",
/* read data */
len = io_readn(sd, addr, sizeof(buffer), buffer);
v4l2_dbg(1, debug, sd, "infoframe: addr=%d len=%d\n", addr, len);
- err = hdmi_infoframe_unpack(&frame, buffer);
+ err = hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer));
if (err) {
v4l_err(state->client,
"failed parsing %d byte infoframe: 0x%04x/0x%02x\n",
static int tda1997x_parse_dt(struct tda1997x_state *state)
{
struct tda1997x_platform_data *pdata = &state->pdata;
- struct v4l2_fwnode_endpoint bus_cfg;
+ struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
struct device_node *ep;
struct device_node *np;
unsigned int flags;
#define hdmi_log(fmt, ...) dev_printk(level, dev, fmt, ##__VA_ARGS__)
-static u8 hdmi_infoframe_checksum(u8 *ptr, size_t size)
+static u8 hdmi_infoframe_checksum(const u8 *ptr, size_t size)
{
u8 csum = 0;
size_t i;
}
EXPORT_SYMBOL(hdmi_avi_infoframe_init);
+static int hdmi_avi_infoframe_check_only(const struct hdmi_avi_infoframe *frame)
+{
+ if (frame->type != HDMI_INFOFRAME_TYPE_AVI ||
+ frame->version != 2 ||
+ frame->length != HDMI_AVI_INFOFRAME_SIZE)
+ return -EINVAL;
+
+ if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
- * hdmi_avi_infoframe_pack() - write HDMI AVI infoframe to binary buffer
+ * hdmi_avi_infoframe_check() - check a HDMI AVI infoframe
+ * @frame: HDMI AVI infoframe
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame)
+{
+ return hdmi_avi_infoframe_check_only(frame);
+}
+EXPORT_SYMBOL(hdmi_avi_infoframe_check);
+
+/**
+ * hdmi_avi_infoframe_pack_only() - write HDMI AVI infoframe to binary buffer
* @frame: HDMI AVI infoframe
* @buffer: destination buffer
* @size: size of buffer
* Returns the number of bytes packed into the binary buffer or a negative
* error code on failure.
*/
-ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
- size_t size)
+ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
+ void *buffer, size_t size)
{
u8 *ptr = buffer;
size_t length;
+ int ret;
+
+ ret = hdmi_avi_infoframe_check_only(frame);
+ if (ret)
+ return ret;
length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;
if (size < length)
return -ENOSPC;
- if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9)
- return -EINVAL;
-
memset(buffer, 0, size);
ptr[0] = frame->type;
return length;
}
+EXPORT_SYMBOL(hdmi_avi_infoframe_pack_only);
+
+/**
+ * hdmi_avi_infoframe_pack() - check a HDMI AVI infoframe,
+ * and write it to binary buffer
+ * @frame: HDMI AVI infoframe
+ * @buffer: destination buffer
+ * @size: size of buffer
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields, after which it packs the information
+ * contained in the @frame structure into a binary representation that
+ * can be written into the corresponding controller registers. This function
+ * also computes the checksum as required by section 5.3.5 of the HDMI 1.4
+ * specification.
+ *
+ * Returns the number of bytes packed into the binary buffer or a negative
+ * error code on failure.
+ */
+ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame,
+ void *buffer, size_t size)
+{
+ int ret;
+
+ ret = hdmi_avi_infoframe_check(frame);
+ if (ret)
+ return ret;
+
+ return hdmi_avi_infoframe_pack_only(frame, buffer, size);
+}
EXPORT_SYMBOL(hdmi_avi_infoframe_pack);
/**
}
EXPORT_SYMBOL(hdmi_spd_infoframe_init);
+static int hdmi_spd_infoframe_check_only(const struct hdmi_spd_infoframe *frame)
+{
+ if (frame->type != HDMI_INFOFRAME_TYPE_SPD ||
+ frame->version != 1 ||
+ frame->length != HDMI_SPD_INFOFRAME_SIZE)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
- * hdmi_spd_infoframe_pack() - write HDMI SPD infoframe to binary buffer
+ * hdmi_spd_infoframe_check() - check a HDMI SPD infoframe
+ * @frame: HDMI SPD infoframe
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame)
+{
+ return hdmi_spd_infoframe_check_only(frame);
+}
+EXPORT_SYMBOL(hdmi_spd_infoframe_check);
+
+/**
+ * hdmi_spd_infoframe_pack_only() - write HDMI SPD infoframe to binary buffer
* @frame: HDMI SPD infoframe
* @buffer: destination buffer
* @size: size of buffer
* Returns the number of bytes packed into the binary buffer or a negative
* error code on failure.
*/
-ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
- size_t size)
+ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame,
+ void *buffer, size_t size)
{
u8 *ptr = buffer;
size_t length;
+ int ret;
+
+ ret = hdmi_spd_infoframe_check_only(frame);
+ if (ret)
+ return ret;
length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;
return length;
}
+EXPORT_SYMBOL(hdmi_spd_infoframe_pack_only);
+
+/**
+ * hdmi_spd_infoframe_pack() - check a HDMI SPD infoframe,
+ * and write it to binary buffer
+ * @frame: HDMI SPD infoframe
+ * @buffer: destination buffer
+ * @size: size of buffer
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields, after which it packs the information
+ * contained in the @frame structure into a binary representation that
+ * can be written into the corresponding controller registers. This function
+ * also computes the checksum as required by section 5.3.5 of the HDMI 1.4
+ * specification.
+ *
+ * Returns the number of bytes packed into the binary buffer or a negative
+ * error code on failure.
+ */
+ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame,
+ void *buffer, size_t size)
+{
+ int ret;
+
+ ret = hdmi_spd_infoframe_check(frame);
+ if (ret)
+ return ret;
+
+ return hdmi_spd_infoframe_pack_only(frame, buffer, size);
+}
EXPORT_SYMBOL(hdmi_spd_infoframe_pack);
/**
}
EXPORT_SYMBOL(hdmi_audio_infoframe_init);
+static int hdmi_audio_infoframe_check_only(const struct hdmi_audio_infoframe *frame)
+{
+ if (frame->type != HDMI_INFOFRAME_TYPE_AUDIO ||
+ frame->version != 1 ||
+ frame->length != HDMI_AUDIO_INFOFRAME_SIZE)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
- * hdmi_audio_infoframe_pack() - write HDMI audio infoframe to binary buffer
+ * hdmi_audio_infoframe_check() - check a HDMI audio infoframe
+ * @frame: HDMI audio infoframe
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int hdmi_audio_infoframe_check(struct hdmi_audio_infoframe *frame)
+{
+ return hdmi_audio_infoframe_check_only(frame);
+}
+EXPORT_SYMBOL(hdmi_audio_infoframe_check);
+
+/**
+ * hdmi_audio_infoframe_pack_only() - write HDMI audio infoframe to binary buffer
* @frame: HDMI audio infoframe
* @buffer: destination buffer
* @size: size of buffer
* Returns the number of bytes packed into the binary buffer or a negative
* error code on failure.
*/
-ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
- void *buffer, size_t size)
+ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame,
+ void *buffer, size_t size)
{
unsigned char channels;
u8 *ptr = buffer;
size_t length;
+ int ret;
+
+ ret = hdmi_audio_infoframe_check_only(frame);
+ if (ret)
+ return ret;
length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;
return length;
}
+EXPORT_SYMBOL(hdmi_audio_infoframe_pack_only);
+
+/**
+ * hdmi_audio_infoframe_pack() - check a HDMI Audio infoframe,
+ * and write it to binary buffer
+ * @frame: HDMI Audio infoframe
+ * @buffer: destination buffer
+ * @size: size of buffer
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields, after which it packs the information
+ * contained in the @frame structure into a binary representation that
+ * can be written into the corresponding controller registers. This function
+ * also computes the checksum as required by section 5.3.5 of the HDMI 1.4
+ * specification.
+ *
+ * Returns the number of bytes packed into the binary buffer or a negative
+ * error code on failure.
+ */
+ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
+ void *buffer, size_t size)
+{
+ int ret;
+
+ ret = hdmi_audio_infoframe_check(frame);
+ if (ret)
+ return ret;
+
+ return hdmi_audio_infoframe_pack_only(frame, buffer, size);
+}
EXPORT_SYMBOL(hdmi_audio_infoframe_pack);
/**
* value
*/
frame->s3d_struct = HDMI_3D_STRUCTURE_INVALID;
+ frame->length = 4;
return 0;
}
return 4;
}
+static int hdmi_vendor_infoframe_check_only(const struct hdmi_vendor_infoframe *frame)
+{
+ if (frame->type != HDMI_INFOFRAME_TYPE_VENDOR ||
+ frame->version != 1 ||
+ frame->oui != HDMI_IEEE_OUI)
+ return -EINVAL;
+
+ /* only one of those can be supplied */
+ if (frame->vic != 0 && frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID)
+ return -EINVAL;
+
+ if (frame->length != hdmi_vendor_infoframe_length(frame))
+ return -EINVAL;
+
+ return 0;
+}
+
+/**
+ * hdmi_vendor_infoframe_check() - check a HDMI vendor infoframe
+ * @frame: HDMI infoframe
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame)
+{
+ frame->length = hdmi_vendor_infoframe_length(frame);
+
+ return hdmi_vendor_infoframe_check_only(frame);
+}
+EXPORT_SYMBOL(hdmi_vendor_infoframe_check);
+
/**
- * hdmi_vendor_infoframe_pack() - write a HDMI vendor infoframe to binary buffer
+ * hdmi_vendor_infoframe_pack_only() - write a HDMI vendor infoframe to binary buffer
* @frame: HDMI infoframe
* @buffer: destination buffer
* @size: size of buffer
* Returns the number of bytes packed into the binary buffer or a negative
* error code on failure.
*/
-ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
- void *buffer, size_t size)
+ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame,
+ void *buffer, size_t size)
{
u8 *ptr = buffer;
size_t length;
+ int ret;
- /* only one of those can be supplied */
- if (frame->vic != 0 && frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID)
- return -EINVAL;
-
- frame->length = hdmi_vendor_infoframe_length(frame);
+ ret = hdmi_vendor_infoframe_check_only(frame);
+ if (ret)
+ return ret;
length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;
return length;
}
+EXPORT_SYMBOL(hdmi_vendor_infoframe_pack_only);
+
+/**
+ * hdmi_vendor_infoframe_pack() - check a HDMI Vendor infoframe,
+ * and write it to binary buffer
+ * @frame: HDMI Vendor infoframe
+ * @buffer: destination buffer
+ * @size: size of buffer
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields, after which it packs the information
+ * contained in the @frame structure into a binary representation that
+ * can be written into the corresponding controller registers. This function
+ * also computes the checksum as required by section 5.3.5 of the HDMI 1.4
+ * specification.
+ *
+ * Returns the number of bytes packed into the binary buffer or a negative
+ * error code on failure.
+ */
+ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
+ void *buffer, size_t size)
+{
+ int ret;
+
+ ret = hdmi_vendor_infoframe_check(frame);
+ if (ret)
+ return ret;
+
+ return hdmi_vendor_infoframe_pack_only(frame, buffer, size);
+}
EXPORT_SYMBOL(hdmi_vendor_infoframe_pack);
+static int
+hdmi_vendor_any_infoframe_check_only(const union hdmi_vendor_any_infoframe *frame)
+{
+ if (frame->any.type != HDMI_INFOFRAME_TYPE_VENDOR ||
+ frame->any.version != 1)
+ return -EINVAL;
+
+ return 0;
+}
+
+/*
+ * hdmi_vendor_any_infoframe_check() - check a vendor infoframe
+ */
+static int
+hdmi_vendor_any_infoframe_check(union hdmi_vendor_any_infoframe *frame)
+{
+ int ret;
+
+ ret = hdmi_vendor_any_infoframe_check_only(frame);
+ if (ret)
+ return ret;
+
+ /* we only know about HDMI vendor infoframes */
+ if (frame->any.oui != HDMI_IEEE_OUI)
+ return -EINVAL;
+
+ return hdmi_vendor_infoframe_check(&frame->hdmi);
+}
+
/*
- * hdmi_vendor_any_infoframe_pack() - write a vendor infoframe to binary buffer
+ * hdmi_vendor_any_infoframe_pack_only() - write a vendor infoframe to binary buffer
*/
static ssize_t
-hdmi_vendor_any_infoframe_pack(union hdmi_vendor_any_infoframe *frame,
- void *buffer, size_t size)
+hdmi_vendor_any_infoframe_pack_only(const union hdmi_vendor_any_infoframe *frame,
+ void *buffer, size_t size)
{
+ int ret;
+
+ ret = hdmi_vendor_any_infoframe_check_only(frame);
+ if (ret)
+ return ret;
+
/* we only know about HDMI vendor infoframes */
if (frame->any.oui != HDMI_IEEE_OUI)
return -EINVAL;
- return hdmi_vendor_infoframe_pack(&frame->hdmi, buffer, size);
+ return hdmi_vendor_infoframe_pack_only(&frame->hdmi, buffer, size);
+}
+
+/*
+ * hdmi_vendor_any_infoframe_pack() - check a vendor infoframe,
+ * and write it to binary buffer
+ */
+static ssize_t
+hdmi_vendor_any_infoframe_pack(union hdmi_vendor_any_infoframe *frame,
+ void *buffer, size_t size)
+{
+ int ret;
+
+ ret = hdmi_vendor_any_infoframe_check(frame);
+ if (ret)
+ return ret;
+
+ return hdmi_vendor_any_infoframe_pack_only(frame, buffer, size);
}
/**
- * hdmi_infoframe_pack() - write a HDMI infoframe to binary buffer
+ * hdmi_infoframe_check() - check a HDMI infoframe
+ * @frame: HDMI infoframe
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int
+hdmi_infoframe_check(union hdmi_infoframe *frame)
+{
+ switch (frame->any.type) {
+ case HDMI_INFOFRAME_TYPE_AVI:
+ return hdmi_avi_infoframe_check(&frame->avi);
+ case HDMI_INFOFRAME_TYPE_SPD:
+ return hdmi_spd_infoframe_check(&frame->spd);
+ case HDMI_INFOFRAME_TYPE_AUDIO:
+ return hdmi_audio_infoframe_check(&frame->audio);
+ case HDMI_INFOFRAME_TYPE_VENDOR:
+ return hdmi_vendor_any_infoframe_check(&frame->vendor);
+ default:
+ WARN(1, "Bad infoframe type %d\n", frame->any.type);
+ return -EINVAL;
+ }
+}
+EXPORT_SYMBOL(hdmi_infoframe_check);
+
+/**
+ * hdmi_infoframe_pack_only() - write a HDMI infoframe to binary buffer
* @frame: HDMI infoframe
* @buffer: destination buffer
* @size: size of buffer
* error code on failure.
*/
ssize_t
-hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size)
+hdmi_infoframe_pack_only(const union hdmi_infoframe *frame, void *buffer, size_t size)
+{
+ ssize_t length;
+
+ switch (frame->any.type) {
+ case HDMI_INFOFRAME_TYPE_AVI:
+ length = hdmi_avi_infoframe_pack_only(&frame->avi,
+ buffer, size);
+ break;
+ case HDMI_INFOFRAME_TYPE_SPD:
+ length = hdmi_spd_infoframe_pack_only(&frame->spd,
+ buffer, size);
+ break;
+ case HDMI_INFOFRAME_TYPE_AUDIO:
+ length = hdmi_audio_infoframe_pack_only(&frame->audio,
+ buffer, size);
+ break;
+ case HDMI_INFOFRAME_TYPE_VENDOR:
+ length = hdmi_vendor_any_infoframe_pack_only(&frame->vendor,
+ buffer, size);
+ break;
+ default:
+ WARN(1, "Bad infoframe type %d\n", frame->any.type);
+ length = -EINVAL;
+ }
+
+ return length;
+}
+EXPORT_SYMBOL(hdmi_infoframe_pack_only);
+
+/**
+ * hdmi_infoframe_pack() - check a HDMI infoframe,
+ * and write it to binary buffer
+ * @frame: HDMI infoframe
+ * @buffer: destination buffer
+ * @size: size of buffer
+ *
+ * Validates that the infoframe is consistent and updates derived fields
+ * (eg. length) based on other fields, after which it packs the information
+ * contained in the @frame structure into a binary representation that
+ * can be written into the corresponding controller registers. This function
+ * also computes the checksum as required by section 5.3.5 of the HDMI 1.4
+ * specification.
+ *
+ * Returns the number of bytes packed into the binary buffer or a negative
+ * error code on failure.
+ */
+ssize_t
+hdmi_infoframe_pack(union hdmi_infoframe *frame,
+ void *buffer, size_t size)
{
ssize_t length;
static void hdmi_infoframe_log_header(const char *level,
struct device *dev,
- struct hdmi_any_infoframe *frame)
+ const struct hdmi_any_infoframe *frame)
{
hdmi_log("HDMI infoframe: %s, version %u, length %u\n",
hdmi_infoframe_type_get_name(frame->type),
return "xvYCC 709";
case HDMI_EXTENDED_COLORIMETRY_S_YCC_601:
return "sYCC 601";
- case HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601:
- return "Adobe YCC 601";
- case HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB:
- return "Adobe RGB";
+ case HDMI_EXTENDED_COLORIMETRY_OPYCC_601:
+ return "opYCC 601";
+ case HDMI_EXTENDED_COLORIMETRY_OPRGB:
+ return "opRGB";
case HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM:
return "BT.2020 Constant Luminance";
case HDMI_EXTENDED_COLORIMETRY_BT2020:
*/
static void hdmi_avi_infoframe_log(const char *level,
struct device *dev,
- struct hdmi_avi_infoframe *frame)
+ const struct hdmi_avi_infoframe *frame)
{
hdmi_infoframe_log_header(level, dev,
- (struct hdmi_any_infoframe *)frame);
+ (const struct hdmi_any_infoframe *)frame);
hdmi_log(" colorspace: %s\n",
hdmi_colorspace_get_name(frame->colorspace));
*/
static void hdmi_spd_infoframe_log(const char *level,
struct device *dev,
- struct hdmi_spd_infoframe *frame)
+ const struct hdmi_spd_infoframe *frame)
{
u8 buf[17];
hdmi_infoframe_log_header(level, dev,
- (struct hdmi_any_infoframe *)frame);
+ (const struct hdmi_any_infoframe *)frame);
memset(buf, 0, sizeof(buf));
*/
static void hdmi_audio_infoframe_log(const char *level,
struct device *dev,
- struct hdmi_audio_infoframe *frame)
+ const struct hdmi_audio_infoframe *frame)
{
hdmi_infoframe_log_header(level, dev,
- (struct hdmi_any_infoframe *)frame);
+ (const struct hdmi_any_infoframe *)frame);
if (frame->channels)
hdmi_log(" channels: %u\n", frame->channels - 1);
static void
hdmi_vendor_any_infoframe_log(const char *level,
struct device *dev,
- union hdmi_vendor_any_infoframe *frame)
+ const union hdmi_vendor_any_infoframe *frame)
{
- struct hdmi_vendor_infoframe *hvf = &frame->hdmi;
+ const struct hdmi_vendor_infoframe *hvf = &frame->hdmi;
hdmi_infoframe_log_header(level, dev,
- (struct hdmi_any_infoframe *)frame);
+ (const struct hdmi_any_infoframe *)frame);
if (frame->any.oui != HDMI_IEEE_OUI) {
hdmi_log(" not a HDMI vendor infoframe\n");
*/
void hdmi_infoframe_log(const char *level,
struct device *dev,
- union hdmi_infoframe *frame)
+ const union hdmi_infoframe *frame)
{
switch (frame->any.type) {
case HDMI_INFOFRAME_TYPE_AVI:
/**
* hdmi_avi_infoframe_unpack() - unpack binary buffer to a HDMI AVI infoframe
- * @buffer: source buffer
* @frame: HDMI AVI infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
*
* Unpacks the information contained in binary @buffer into a structured
* @frame of the HDMI Auxiliary Video (AVI) information frame.
* Returns 0 on success or a negative error code on failure.
*/
static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame,
- void *buffer)
+ const void *buffer, size_t size)
{
- u8 *ptr = buffer;
+ const u8 *ptr = buffer;
int ret;
+ if (size < HDMI_INFOFRAME_SIZE(AVI))
+ return -EINVAL;
+
if (ptr[0] != HDMI_INFOFRAME_TYPE_AVI ||
ptr[1] != 2 ||
ptr[2] != HDMI_AVI_INFOFRAME_SIZE)
/**
* hdmi_spd_infoframe_unpack() - unpack binary buffer to a HDMI SPD infoframe
- * @buffer: source buffer
* @frame: HDMI SPD infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
*
* Unpacks the information contained in binary @buffer into a structured
* @frame of the HDMI Source Product Description (SPD) information frame.
* Returns 0 on success or a negative error code on failure.
*/
static int hdmi_spd_infoframe_unpack(struct hdmi_spd_infoframe *frame,
- void *buffer)
+ const void *buffer, size_t size)
{
- u8 *ptr = buffer;
+ const u8 *ptr = buffer;
int ret;
+ if (size < HDMI_INFOFRAME_SIZE(SPD))
+ return -EINVAL;
+
if (ptr[0] != HDMI_INFOFRAME_TYPE_SPD ||
ptr[1] != 1 ||
ptr[2] != HDMI_SPD_INFOFRAME_SIZE) {
/**
* hdmi_audio_infoframe_unpack() - unpack binary buffer to a HDMI AUDIO infoframe
- * @buffer: source buffer
* @frame: HDMI Audio infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
*
* Unpacks the information contained in binary @buffer into a structured
* @frame of the HDMI Audio information frame.
* Returns 0 on success or a negative error code on failure.
*/
static int hdmi_audio_infoframe_unpack(struct hdmi_audio_infoframe *frame,
- void *buffer)
+ const void *buffer, size_t size)
{
- u8 *ptr = buffer;
+ const u8 *ptr = buffer;
int ret;
+ if (size < HDMI_INFOFRAME_SIZE(AUDIO))
+ return -EINVAL;
+
if (ptr[0] != HDMI_INFOFRAME_TYPE_AUDIO ||
ptr[1] != 1 ||
ptr[2] != HDMI_AUDIO_INFOFRAME_SIZE) {
/**
* hdmi_vendor_infoframe_unpack() - unpack binary buffer to a HDMI vendor infoframe
- * @buffer: source buffer
* @frame: HDMI Vendor infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
*
* Unpacks the information contained in binary @buffer into a structured
* @frame of the HDMI Vendor information frame.
*/
static int
hdmi_vendor_any_infoframe_unpack(union hdmi_vendor_any_infoframe *frame,
- void *buffer)
+ const void *buffer, size_t size)
{
- u8 *ptr = buffer;
+ const u8 *ptr = buffer;
size_t length;
int ret;
u8 hdmi_video_format;
struct hdmi_vendor_infoframe *hvf = &frame->hdmi;
+ if (size < HDMI_INFOFRAME_HEADER_SIZE)
+ return -EINVAL;
+
if (ptr[0] != HDMI_INFOFRAME_TYPE_VENDOR ||
ptr[1] != 1 ||
(ptr[2] != 4 && ptr[2] != 5 && ptr[2] != 6))
length = ptr[2];
+ if (size < HDMI_INFOFRAME_HEADER_SIZE + length)
+ return -EINVAL;
+
if (hdmi_infoframe_checksum(buffer,
HDMI_INFOFRAME_HEADER_SIZE + length) != 0)
return -EINVAL;
/**
* hdmi_infoframe_unpack() - unpack binary buffer to a HDMI infoframe
- * @buffer: source buffer
* @frame: HDMI infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
*
* Unpacks the information contained in binary buffer @buffer into a structured
* @frame of a HDMI infoframe.
*
* Returns 0 on success or a negative error code on failure.
*/
-int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer)
+int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
+ const void *buffer, size_t size)
{
int ret;
- u8 *ptr = buffer;
+ const u8 *ptr = buffer;
+
+ if (size < HDMI_INFOFRAME_HEADER_SIZE)
+ return -EINVAL;
switch (ptr[0]) {
case HDMI_INFOFRAME_TYPE_AVI:
- ret = hdmi_avi_infoframe_unpack(&frame->avi, buffer);
+ ret = hdmi_avi_infoframe_unpack(&frame->avi, buffer, size);
break;
case HDMI_INFOFRAME_TYPE_SPD:
- ret = hdmi_spd_infoframe_unpack(&frame->spd, buffer);
+ ret = hdmi_spd_infoframe_unpack(&frame->spd, buffer, size);
break;
case HDMI_INFOFRAME_TYPE_AUDIO:
- ret = hdmi_audio_infoframe_unpack(&frame->audio, buffer);
+ ret = hdmi_audio_infoframe_unpack(&frame->audio, buffer, size);
break;
case HDMI_INFOFRAME_TYPE_VENDOR:
- ret = hdmi_vendor_any_infoframe_unpack(&frame->vendor, buffer);
+ ret = hdmi_vendor_any_infoframe_unpack(&frame->vendor, buffer, size);
break;
default:
ret = -EINVAL;
struct __drm_crtcs_state {
struct drm_crtc *ptr;
struct drm_crtc_state *state, *old_state, *new_state;
+
+ /**
+ * @commit:
+ *
+ * A reference to the CRTC commit object that is kept for use by
+ * drm_atomic_helper_wait_for_flip_done() after
+ * drm_atomic_helper_commit_hw_done() is called. This ensures that a
+ * concurrent commit won't free a commit object that is still in use.
+ */
+ struct drm_crtc_commit *commit;
+
s32 __user *out_fence_ptr;
u64 last_vblank_count;
};
* struct drm_atomic_state - the global state object for atomic updates
* @ref: count of all references to this state (will not be freed until zero)
* @dev: parent DRM device
- * @allow_modeset: allow full modeset
* @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics
* @async_update: hint for asynchronous plane update
* @planes: pointer to array of structures with per-plane data
struct kref ref;
struct drm_device *dev;
+
+ /**
+ * @allow_modeset:
+ *
+ * Allow full modeset. This is used by the ATOMIC IOCTL handler to
+ * implement the DRM_MODE_ATOMIC_ALLOW_MODESET flag. Drivers should
+ * never consult this flag, instead looking at the output of
+ * drm_atomic_crtc_needs_modeset().
+ */
bool allow_modeset : 1;
bool legacy_cursor_update : 1;
bool async_update : 1;
connector_status_unknown = 3,
};
+ /**
+ * enum drm_connector_registration_status - userspace registration status for
+ * a &drm_connector
+ *
+ * This enum is used to track the status of initializing a connector and
+ * registering it with userspace, so that DRM can prevent bogus modesets on
+ * connectors that no longer exist.
+ */
+ enum drm_connector_registration_state {
+ /**
+ * @DRM_CONNECTOR_INITIALIZING: The connector has just been created,
+ * but has yet to be exposed to userspace. There should be no
+ * additional restrictions to how the state of this connector may be
+ * modified.
+ */
+ DRM_CONNECTOR_INITIALIZING = 0,
+
+ /**
+ * @DRM_CONNECTOR_REGISTERED: The connector has been fully initialized
+ * and registered with sysfs, as such it has been exposed to
+ * userspace. There should be no additional restrictions to how the
+ * state of this connector may be modified.
+ */
+ DRM_CONNECTOR_REGISTERED = 1,
+
+ /**
+ * @DRM_CONNECTOR_UNREGISTERED: The connector has either been exposed
+ * to userspace and has since been unregistered and removed from
+ * userspace, or the connector was unregistered before it had a chance
+ * to be exposed to userspace (e.g. still in the
+ * @DRM_CONNECTOR_INITIALIZING state). When a connector is
+ * unregistered, there are additional restrictions to how its state
+ * may be modified:
+ *
+ * - An unregistered connector may only have its DPMS changed from
+ * On->Off. Once DPMS is changed to Off, it may not be switched back
+ * to On.
+ * - Modesets are not allowed on unregistered connectors, unless they
+ * would result in disabling its assigned CRTCs. This means
+ * disabling a CRTC on an unregistered connector is OK, but enabling
+ * one is not.
+ * - Removing a CRTC from an unregistered connector is OK, but new
+ * CRTCs may never be assigned to an unregistered connector.
+ */
+ DRM_CONNECTOR_UNREGISTERED = 2,
+ };
+
enum subpixel_order {
SubPixelUnknown = 0,
SubPixelHorizontalRGB,
bool ycbcr_420_allowed;
/**
- * @registered: Is this connector exposed (registered) with userspace?
+ * @registration_state: Is this connector initializing, exposed
+ * (registered) with userspace, or unregistered?
+ *
* Protected by @mutex.
*/
- bool registered;
+ enum drm_connector_registration_state registration_state;
/**
* @modes:
struct drm_connector *connector,
const struct drm_connector_funcs *funcs,
int connector_type);
+void drm_connector_attach_edid_property(struct drm_connector *connector);
int drm_connector_register(struct drm_connector *connector);
void drm_connector_unregister(struct drm_connector *connector);
int drm_connector_attach_encoder(struct drm_connector *connector,
drm_connector_put(connector);
}
+ /**
+ * drm_connector_is_unregistered - has the connector been unregistered from
+ * userspace?
+ * @connector: DRM connector
+ *
+ * Checks whether or not @connector has been unregistered from userspace.
+ *
+ * Returns:
+ * True if the connector was unregistered, false if the connector is
+ * registered or has not yet been registered with userspace.
+ */
+ static inline bool
+ drm_connector_is_unregistered(struct drm_connector *connector)
+ {
+ return READ_ONCE(connector->registration_state) ==
+ DRM_CONNECTOR_UNREGISTERED;
+ }
+
const char *drm_get_connector_status_name(enum drm_connector_status status);
const char *drm_get_subpixel_order_name(enum subpixel_order order);
const char *drm_get_dpms_name(int val);
HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
- HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
- HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
+ HDMI_EXTENDED_COLORIMETRY_OPYCC_601,
+ HDMI_EXTENDED_COLORIMETRY_OPRGB,
/* The following EC values are only defined in CEA-861-F. */
HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM,
int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
size_t size);
+ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame);
enum hdmi_spd_sdi {
HDMI_SPD_SDI_UNKNOWN,
const char *vendor, const char *product);
ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
size_t size);
+ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame);
enum hdmi_audio_coding_type {
HDMI_AUDIO_CODING_TYPE_STREAM,
int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
void *buffer, size_t size);
+ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_audio_infoframe_check(struct hdmi_audio_infoframe *frame);
enum hdmi_3d_structure {
HDMI_3D_STRUCTURE_INVALID = -1,
int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
void *buffer, size_t size);
+ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame);
union hdmi_vendor_any_infoframe {
struct {
struct hdmi_audio_infoframe audio;
};
-ssize_t
-hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
-int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer);
+ssize_t hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer,
+ size_t size);
+ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_infoframe_check(union hdmi_infoframe *frame);
+int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
+ const void *buffer, size_t size);
void hdmi_infoframe_log(const char *level, struct device *dev,
- union hdmi_infoframe *frame);
+ const union hdmi_infoframe *frame);
#endif /* _DRM_HDMI_H */
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