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2018-02-07Merge tag 'fbdev-v4.16' of git://github.com/bzolnier/linuxLinus Torvalds1-2/+1
Pull fbdev updates from Bartlomiej Zolnierkiewicz: "There is nothing really major here: - fix display-timings lookup in the Device Tree in atmel_lcdfb driver (Johan Hovold) - fix video mode and line_length to be set correctly in vfb driver (Pieter "PoroCYon" Sluys) - fix returning nonsensical values to the user-space on GIO_FONTX ioctl when using dummy console (Nicolas Pitre) - add missing license tag to mmpfb driver (Arnd Bergmann) - convert radeonfb and pxa3xx_gcu drivers to use ktime_get[_ts64]() instead of the deprecated do_gettimeofday() (Arnd Bergmann) - switch udlfb driver from using the pr_*() logging functions to the dev_*() ones + related cleanups (Ladislav Michl) - use __raw I/O accessors also on arm64 (Ji Zhang) - fix Kconfig help text for intelfb driver (Randy Dunlap) - do not duplicate features data in omapfb driver (Ladislav Michl) - misc cleanups (Colin Ian King, Markus Elfring, Rasmus Villemoes, Vasyl Gomonovych, Himanshu Jha, Michael Trimarchi)" * tag 'fbdev-v4.16' of git://github.com/bzolnier/linux: (25 commits) video: udlfb: Switch from the pr_*() to the dev_*() logging functions video: udlfb: Constify read only data video: fbdev/mmp: add MODULE_LICENSE console/dummy: leave .con_font_get set to NULL fbdev: mxsfb: use framebuffer_alloc in the correct way video: udlfb: Do not name private data 'dev' video: udlfb: Remove noisy warnings video: udlfb: Remove redundant gdev variable video: udlfb: Remove unnecessary local variable fbdev: auo_k190x: Use zeroing memory allocator instead of allocator/memset vfb: fix video mode and line_length being set when loaded fbdev: arm64 use __raw I/O memory api omapfb: dss: Do not duplicate features data video: fbdev: omap2: Use PTR_ERR_OR_ZERO() fbdev: au1200fb: delete duplicate header contents fbdev: pxa3xx: use ktime_get_ts64 for time stamps fbdev: radeon: use ktime_get() for HZ calibration video: smscufx: Improve a size determination in two functions video: udlfb: Delete an unnecessary return statement in two functions video: udlfb: Improve a size determination in dlfb_alloc_urb_list() ...
2018-01-15video: udlfb: Do not name private data 'dev'Ladislav Michl1-1/+1
Variable 'dev' is usually used for 'struct device'. Therefore rename driver private data to dlfb to avoid confusion once driver will be using dev_*() logging functions. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Cc: Bernie Thompson <bernie@plugable.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2018-01-15video: udlfb: Remove redundant gdev variableLadislav Michl1-1/+0
gdev is not really needed as the same content can be read from udev->dev. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Cc: Bernie Thompson <bernie@plugable.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2018-01-05Merge tag 'imx-drm-next-2018-01-02' of ↵Dave Airlie1-1/+1
git://git.pengutronix.de/git/pza/linux into drm-next drm/imx: format modifier support - Add tiled prefetch support to PRE - Add format modifier support to PRG and imx-drm-core - Use runtime PM to control PRG clock - Allow building ipu-v3 under COMPILE_TEST * tag 'imx-drm-next-2018-01-02' of git://git.pengutronix.de/git/pza/linux: gpu: ipu-v3: allow to build with COMPILE_TEST drm/imx: advertise supported plane format modifiers drm/imx: add FB modifier support gpu: ipu-v3: prg: add modifier support gpu: ipu-v3: pre: add tiled prefetch support gpu: ipu-v3: prg: switch to runtime PM
2018-01-02drm/exynos/decon: Move headers from global to local placeKrzysztof Kozlowski2-558/+0
The DECON headers contain only defines for registers. There are no other drivers using them so this should be put locally to the Exynos DRM driver. Keeping headers local helps managing the code. Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-12-19gpu: ipu-v3: prg: add modifier supportLucas Stach1-1/+1
Allow to pass through the modifier to the PRE unit and extend the format check with the supported modifiers. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-11-20Merge tag 'fbdev-v4.15' of git://github.com/bzolnier/linuxLinus Torvalds1-25/+0
Pull fbdev updates from Bartlomiej Zolnierkiewicz: "There is nothing really major here (though removal of the dead igafb driver stands out in diffstat). Summary: - convert timers to use timer_setup() (Kees Cook, Thierry Reding) - fix panels support on iMX boards in mxsfb driver (Stefan Agner) - fix timeout on EDID read in udlfb driver (Ladislav Michl) - add missing modes to fix out of bounds access in controlfb driver (Geert Uytterhoeven) - update initialisation paths in sa1100fb driver to be more robust (Russell King) - fix error handling path of ->probe method in au1200fb driver (Christophe JAILLET) - fix handling of cases when either panel or crt is defined in sm501fb driver (Sudip Mukherjee, Colin Ian King) - add ability to the Goldfish FB driver to be recognized by OS via DT (Aleksandar Markovic) - structures constifications (Bhumika Goyal) - misc fixes (Allen Pais, Gustavo A. R. Silva, Dan Carpenter) - misc cleanups (Colin Ian King, Himanshu Jha, Markus Elfring) - remove dead igafb driver" * tag 'fbdev-v4.15' of git://github.com/bzolnier/linux: (42 commits) OMAPFB: prevent buffer underflow in omapfb_parse_vram_param() video: fbdev: sm501fb: fix potential null pointer dereference on fbi fbcon: Initialize ops->info early video: fbdev: Convert timers to use timer_setup() video: fbdev: pxa3xx_gcu: Convert timers to use timer_setup() fbdev: controlfb: Add missing modes to fix out of bounds access video: fbdev: sis_main: mark expected switch fall-throughs video: fbdev: cirrusfb: mark expected switch fall-throughs video: fbdev: aty: radeon_pm: mark expected switch fall-throughs video: fbdev: sm501fb: mark expected switch fall-through in sm501fb_blank_crt video: fbdev: intelfb: remove redundant variables video/fbdev/dnfb: Use common error handling code in dnfb_probe() sm501fb: suspend and resume fb if it exists sm501fb: unregister framebuffer only if registered sm501fb: deallocate colormap only if allocated video: goldfishfb: Add support for device tree bindings Documentation: Add device tree binding for Goldfish FB driver video: udlfb: Fix read EDID timeout video: fbdev: remove dead igafb driver video: fbdev: mxsfb: fix pixelclock polarity ...
2017-11-09video: fbdev: remove dead igafb driverBartlomiej Zolnierkiewicz1-24/+0
igafb driver hasn't compiled since at least kernel v2.6.34 as commit 6016a363f6b5 ("of: unify phandle name in struct device_node") missed updating igafb.c to use dp->phandle instead of dp->node. Cc: "David S. Miller" <davem@davemloft.net> Cc: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman13-0/+13
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-16Merge tag 'imx-drm-next-2017-06-08' of ↵Dave Airlie1-0/+1
git://git.pengutronix.de/git/pza/linux into drm-next imx-drm: cleanups and YUV 4:2:0 memory read/write reduction support - Remove counter load enable form PRE, which has no effect. - Add support for setting the double read/write reduction flag in channel parameter memory. This can be used to save some memory bandwidth when capturing in YUV 4:2:0 chroma subsampled formats. - Allocate DMA channel structures as needed, most of the 64 channels are unused or even reserved. - Remove unused interrupt busy waiting routine. - Set VDIC field order for both AUTO and MAN inputs simultaneously as both can't be active at the same time. * tag 'imx-drm-next-2017-06-08' of git://git.pengutronix.de/git/pza/linux: gpu: ipu-v3: vdic: include AUTO field order bit in ipu_vdi_set_field_order gpu: ipu-v3: remove interrupt busy waiting routine gpu: ipu-v3: allocate ipuv3_channels as needed gpu: ipu-v3: Add support for double read/write reduction gpu: ipu-v3: prg: remove counter load enable
2017-06-08gpu: ipu-v3: Add support for double read/write reductionPhilipp Zabel1-0/+1
Allow to skip writing odd chroma rows by setting the RDRW bit for 4:2:0 chroma subsampled formats for any IDMAC write channel. This also allows to skip reading odd rows for the VDIC read channel. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-06-01drm/exynos/decon5433: simplify shadow protect codeAndrzej Hajda1-0/+1
There is no point in protecting only particular windows during update. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-05-11uapi: export all headers under uapi directoriesNicolas Dichtel1-0/+0
Regularly, when a new header is created in include/uapi/, the developer forgets to add it in the corresponding Kbuild file. This error is usually detected after the release is out. In fact, all headers under uapi directories should be exported, thus it's useless to have an exhaustive list. After this patch, the following files, which were not exported, are now exported (with make headers_install_all): asm-arc/kvm_para.h asm-arc/ucontext.h asm-blackfin/shmparam.h asm-blackfin/ucontext.h asm-c6x/shmparam.h asm-c6x/ucontext.h asm-cris/kvm_para.h asm-h8300/shmparam.h asm-h8300/ucontext.h asm-hexagon/shmparam.h asm-m32r/kvm_para.h asm-m68k/kvm_para.h asm-m68k/shmparam.h asm-metag/kvm_para.h asm-metag/shmparam.h asm-metag/ucontext.h asm-mips/hwcap.h asm-mips/reg.h asm-mips/ucontext.h asm-nios2/kvm_para.h asm-nios2/ucontext.h asm-openrisc/shmparam.h asm-parisc/kvm_para.h asm-powerpc/perf_regs.h asm-sh/kvm_para.h asm-sh/ucontext.h asm-tile/shmparam.h asm-unicore32/shmparam.h asm-unicore32/ucontext.h asm-x86/hwcap2.h asm-xtensa/kvm_para.h drm/armada_drm.h drm/etnaviv_drm.h drm/vgem_drm.h linux/aspeed-lpc-ctrl.h linux/auto_dev-ioctl.h linux/bcache.h linux/btrfs_tree.h linux/can/vxcan.h linux/cifs/cifs_mount.h linux/coresight-stm.h linux/cryptouser.h linux/fsmap.h linux/genwqe/genwqe_card.h linux/hash_info.h linux/kcm.h linux/kcov.h linux/kfd_ioctl.h linux/lightnvm.h linux/module.h linux/nbd-netlink.h linux/nilfs2_api.h linux/nilfs2_ondisk.h linux/nsfs.h linux/pr.h linux/qrtr.h linux/rpmsg.h linux/sched/types.h linux/sed-opal.h linux/smc.h linux/smc_diag.h linux/stm.h linux/switchtec_ioctl.h linux/vfio_ccw.h linux/wil6210_uapi.h rdma/bnxt_re-abi.h Note that I have removed from this list the files which are generated in every exported directories (like .install or .install.cmd). Thanks to Julien Floret <julien.floret@6wind.com> for the tip to get all subdirs with a pure makefile command. For the record, note that exported files for asm directories are a mix of files listed by: - include/uapi/asm-generic/Kbuild.asm; - arch/<arch>/include/uapi/asm/Kbuild; - arch/<arch>/include/asm/Kbuild. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Acked-by: Mark Salter <msalter@redhat.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-03Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-1/+38
Pull drm u pdates from Dave Airlie: "This is the main drm pull request for v4.12. Apart from two fixes pulls, everything should have been in drm-next for at least 2 weeks. The biggest thing in here is AMD released the public headers for their upcoming VEGA GPUs. These as always are quite a sizeable chunk of header files. They've also added initial non-display support for those GPUs, though they aren't available in production yet. Otherwise it's pretty much normal. New bridge drivers: - megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++ - generic LVDS bridge support. Core: - Displayport link train failure reporting to userspace - debugfs interface cleaned up - subsystem TODO in kerneldoc now - Extended fbdev support (flipping and vblank wait) - drm_platform removed - EDP CRC support in helper - HF-VSDB SCDC support in EDID parser - Lots of code cleanups and header extraction - Thunderbolt external GPU awareness - Atomic helper improvements - Documentation improvements panel: - Sitronix and Samsung new panel support amdgpu: - Preliminary vega10 support - Multi-level page table support - GPU sensor support for userspace - PRT support for sparse buffers - SR-IOV improvements - Non-contig VRAM CPU mapping i915: - Atomic modesetting enabled by default on Gen5+ - LSPCON improvements - Atomic state handling for cdclk - GPU reset improvements - In-kernel unit tests - Geminilake improvements and color manager support - Designware i2c fixes - vblank evasion improvements - Hotplug safe connector iterators - GVT scheduler QoS support - GVT Kabylake support nouveau: - Acceleration support for Pascal (GP10x). - Rearchitecture of code handling proprietary signed firmware - Fix GTX 970 with odd MMU configuration - GP10B support - GP107 acceleration support vmwgfx: - Atomic modesetting support for vmwgfx omapdrm: - Support for render nodes - Refactor omapdss code - Fix some probe ordering issues - Fix too dark RGB565 rendering sunxi: - prelim rework for multiple pipes. mali-dp: - Color management support - Plane scaling - Power management improvements imx-drm: - Prefetch Resolve Engine/Gasket on i.MX6QP - Deferred plane disabling - Separate alpha support mediatek: - Mediatek SoC MT2701 support rcar-du: - Gen3 HDMI support msm: - 4k support for newer chips - OPP bindings for gpu - prep work for per-process pagetables vc4: - HDMI audio support - fixes qxl: - minor fixes. dw-hdmi: - PHY improvements - CSC fixes - Amlogic GX SoC support" * tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits) drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr() drm/nouveau/kms: Increase max retries in scanout position queries. drm/nouveau/bios/bitP: check that table is long enough for optional pointers drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine drm: mali-dp: use div_u64 for expensive 64-bit divisions drm/i915: Confirm the request is still active before adding it to the await drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio drm/i915/selftests: Allocate inode/file dynamically drm/i915: Fix system hang with EI UP masked on Haswell drm/i915: checking for NULL instead of IS_ERR() in mock selftests drm/i915: Perform link quality check unconditionally during long pulse drm/i915: Fix use after free in lpe_audio_platdev_destroy() drm/i915: Use the right mapping_gfp_mask for final shmem allocation drm/i915: Make legacy cursor updates more unsynced drm/i915: Apply a cond_resched() to the saturated signaler drm/i915: Park the signaler before sleeping drm: mali-dp: Check the mclk rate and allow up/down scaling drm: mali-dp: Enable image enhancement when scaling drm: mali-dp: Add plane upscaling support ...
2017-05-02Merge branch 'linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "Here is the crypto update for 4.12: API: - Add batch registration for acomp/scomp - Change acomp testing to non-unique compressed result - Extend algorithm name limit to 128 bytes - Require setkey before accept(2) in algif_aead Algorithms: - Add support for deflate rfc1950 (zlib) Drivers: - Add accelerated crct10dif for powerpc - Add crc32 in stm32 - Add sha384/sha512 in ccp - Add 3des/gcm(aes) for v5 devices in ccp - Add Queue Interface (QI) backend support in caam - Add new Exynos RNG driver - Add ThunderX ZIP driver - Add driver for hardware random generator on MT7623 SoC" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (101 commits) crypto: stm32 - Fix OF module alias information crypto: algif_aead - Require setkey before accept(2) crypto: scomp - add support for deflate rfc1950 (zlib) crypto: scomp - allow registration of multiple scomps crypto: ccp - Change ISR handler method for a v5 CCP crypto: ccp - Change ISR handler method for a v3 CCP crypto: crypto4xx - rename ce_ring_contol to ce_ring_control crypto: testmgr - Allow ecb(cipher_null) in FIPS mode Revert "crypto: arm64/sha - Add constant operand modifier to ASM_EXPORT" crypto: ccp - Disable interrupts early on unload crypto: ccp - Use only the relevant interrupt bits hwrng: mtk - Add driver for hardware random generator on MT7623 SoC dt-bindings: hwrng: Add Mediatek hardware random generator bindings crypto: crct10dif-vpmsum - Fix missing preempt_disable() crypto: testmgr - replace compression known answer test crypto: acomp - allow registration of multiple acomps hwrng: n2 - Use devm_kcalloc() in n2rng_probe() crypto: chcr - Fix error handling related to 'chcr_alloc_shash' padata: get_next is never NULL crypto: exynos - Add new Exynos RNG driver ...
2017-04-21linux/kernel.h: Add ALIGN_DOWN macroKrzysztof Kozlowski1-1/+1
Few parts of kernel define their own macro for aligning down so provide a common define for this, with the same usage and assumptions as existing ALIGN. Convert also three existing implementations to this one. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-28Backmerge tag 'v4.11-rc4' into drm-nextDave Airlie1-0/+12
Linux 4.11-rc4 The i915 GVT team need the rc4 code to base some more code on.
2017-03-21drm/exynos/decon5433: signal frame done interrupt at front porchAndrzej Hajda1-0/+4
DECON in case of video mode generates interrupt by default at start of vertical back porch. As this interrupt is used to generate VBLANK events more optimal point is start of vertical front porch. Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-03-21drm/exynos/decon5433: fix vblank event handlingAndrzej Hajda1-0/+8
Current implementation of event handling assumes that vblank interrupt is always called at the right time. It is not true, it can be delayed due to various reasons. As a result different races can happen. The patch fixes the issue by using hardware frame counter present in DECON to serialize vblank and commit completion events. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-03-16gpu: ipu-v3: add driver for Prefetch Resolve GasketLucas Stach1-0/+15
This adds support for the i.MX6 QUadPlus PRG unit. It glues together the IPU and the PRE units. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- v4: add missing ipu_soc->prg_priv
2017-03-15gpu: ipu-v3: add support for separate alpha channelsPhilipp Zabel1-0/+22
The IPUv3 can read 8-bit alpha values from a separate IDMAC channel driven by the Alpha Transparency Controller (ATC) for the graphics IDMAC channels. This allows to reduce memory bandwidth via a conditional read mechanism or to support planar YUV formats with alpha transparency. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-03-15gpu: ipu-v3: add unsynchronised DP channel disablingPhilipp Zabel1-1/+1
When disabling the foreground DP channel during a modeset, the DC is already disabled without waiting for end of frame. There is no reason to wait for a frame boundary before updating the DP registers in that case. Add support to apply updates immediately. No functional changes, yet. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
2017-02-07drm/exynos/decon5433: signal vblank only on odd fieldsAndrzej Hajda1-0/+1
In case of interlace mode irq is generated for odd and even fields, but vblank should be signaled only for the last emitted field. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-02-07drm/exynos/decon5433: add support for interlace modesAndrzej Hajda1-0/+1
Some registers should be programmed differently in interlace mode. Additionally IP does not signal stop state properly in interlaced mode, so warning has been removed. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2016-11-16Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/media into drm-nextDave Airlie1-7/+8
rcar-du -next branch. * 'drm/next/du' of git://linuxtv.org/pinchartl/media: drm: rcar-du: Fix LVDS start sequence on Gen3 drm: rcar-du: Fix H/V sync signal polarity configuration drm: rcar-du: Fix display timing controller parameter drm: rcar-du: Fix dot clock routing configuration drm: rcar-du: Add R8A7796 support drm: rcar-du: Add R8A7792 support drm: rcar-du: Simplify and fix probe error handling drm: rcar-du: Fix crash in encoder failure error path drm: rcar-du: Remove memory allocation error message drm: rcar-du: Remove test for impossible error condition drm: rcar-du: Bring HDMI encoder comments in line with the driver drm: rcar-du: Constify node argument to rcar_du_lvds_connector_init() video: of: Constify node argument to display timing functions
2016-11-14video: of: Constify node argument to display timing functionsLaurent Pinchart1-7/+8
The node pointer passed to the display timing functions is never modified, make it const. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2016-11-11Merge tag 'imx-drm-next-2016-11-10' of ↵Dave Airlie1-2/+1
git://git.pengutronix.de/git/pza/linux into drm-next imx-drm plane update cleanup, YUV formats - request modeset if plane offsets changed, only the plane base address can be changed without disabling the plane IDMAC channel. - cleanup of plane atomic_update - remove unused ipu_cpmem_set_yuv_planar function - support YUV 4:4:4, 4:2:2, NV12 and NV16 plane formats - not only mask interrupts during irq init, also clear them - remove a legacy check from imx-ldb - add support to set the CSI downsizing bits - silence an obnoxious warning during modeset * tag 'imx-drm-next-2016-11-10' of git://git.pengutronix.de/git/pza/linux: gpu: ipu-di: silence videomode logspam gpu: ipu-v3: add ipu_csi_set_downsize drm/imx: imx-ldb: remove unnecessary double disable check gpu: ipu-v3: initially clear all interrupts drm/imx: ipuv3-plane: add support for YUV 4:2:2 and 4:4:4, NV12, and NV16 formats gpu: ipu-v3: add YUV 4:4:4 support gpu: ipu-cpmem: remove unused ipu_cpmem_set_yuv_planar function drm/imx: ipuv3-plane: let drm_plane_state_to_ubo/vbo handle chroma subsampling other than 4:2:0 drm/imx: ipuv3-plane: merge ipu_plane_atomic_set_base into atomic_update drm/imx: ipuv3-plane: request modeset if plane offsets changed
2016-11-07gpu: ipu-v3: add ipu_csi_set_downsizePhilipp Zabel1-0/+1
Support downsizing to 1/2 width and/or height in the CSI. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-11-02video: display_timing: Add flags to select the edge when the sync is drivenPeter Ujfalusi1-0/+4
The sync can be - and for some panels it must be - driven on different edge then the data. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> CC: Rob Herring <robh+dt@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: devicetree@vger.kernel.org Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2016-10-20gpu: ipu-cpmem: remove unused ipu_cpmem_set_yuv_planar functionPhilipp Zabel1-2/+0
ipu_cpmem_set_yuv_planar_full is only used directly, remove the wrapper. Suggested-by: Liu Ying <gnuiyl@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Liu Ying <gnuiyl@gmail.com>
2016-10-12Merge tag 'fbdev-4.9' of ↵Linus Torvalds1-358/+0
git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev updates from Tomi Valkeinen: "Main changes: - amba-cldc: DT backlight support, Nomadik support, Versatile improvements, fixes - efifb: fix fbcon RGB565 palette - exynos: remove unused DSI driver" * tag 'fbdev-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (42 commits) video: smscufx: remove unused variable matroxfb: fix size of memcpy fbdev: ssd1307fb: fix a possible NULL dereference fbdev: ssd1307fb: constify the device_info pointer simplefb: Disable and release clocks and regulators in destroy callback video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures matroxfb: constify local structures video: fbdev: i810: add in missing white space in error message text video: fbdev: add missing \n at end of printk error message ARM: exynos_defconfig: Remove old non-working MIPI driver video: fbdev: exynos: Remove old non-working MIPI driver omapfb: fix return value check in dsi_bind() MAINTAINERS: update fbdev entries video: fbdev: offb: Call pci_enable_device() before using the PCI VGA device fbdev: vfb: simplify memory management fbdev: vfb: add option for video mode fbdev: vfb: add description to module parameters video: fbdev: intelfb: remove impossible condition fb: adv7393: off by one in probe function video: fbdev: pxafb: add missing of_node_put() in of_get_pxafb_mode_info() ...
2016-09-27video: fbdev: exynos: Remove old non-working MIPI driverKrzysztof Kozlowski1-358/+0
The old non-DRM Exynos MIPI driver does not support DeviceTree and requires board files. Our platforms do not provide such so the driver is not usable since a long time ago. All features provided by the driver (and associated s6e8ax0 panel driver) are already supported by newer DRM version so the old code can be removed. Cc: Inki Dae <inki.dae@samsung.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2016-09-19gpu: ipu-v3: Add queued image conversion supportSteve Longerbeam1-0/+207
This patch implements image conversion support using the IC tasks, with tiling to support scaling to and from images up to 4096x4096. Image rotation is also supported. Image conversion requests are added to a run queue under the IC tasks. The internal API is subsystem agnostic (no V4L2 dependency except for the use of V4L2 fourcc pixel formats). Callers prepare for image conversion by calling ipu_image_convert_prepare(), which initializes the parameters of the conversion. The caller passes in the ipu and IC task to use for the conversion, the input and output image formats, a rotation mode, and a completion callback and completion context pointer: struct ipu_image_converter_ctx * ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task, struct ipu_image *in, struct ipu_image *out, enum ipu_rotate_mode rot_mode, ipu_image_converter_cb_t complete, void *complete_context); A new conversion context is created that is added to an IC task context queue. The caller is given the new conversion context, which can then be passed to the further APIs: int ipu_image_convert_queue(struct ipu_image_converter_run *run); This queues the given image conversion request run to a run queue, and starts the conversion immediately if the run queue is empty. Only the physaddr's of the input and output image buffers are needed, since the conversion context was created previously with ipu_image_convert_prepare(). When the conversion completes, the run pointer is returned to the completion callback. void ipu_image_convert_abort(struct ipu_image_converter_ctx *ctx); This will abort any active or pending conversions for this context. Any currently active or pending runs belonging to this context are returned via the completion callback with an error status. void ipu_image_convert_unprepare(struct ipu_image_converter_ctx *ctx); Unprepares the conversion context. Any active or pending runs will be aborted by calling ipu_image_convert_abort(). Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-09-19gpu: ipu-v3: Add ipu_rot_mode_is_irt()Steve Longerbeam1-7/+15
Add a macro that returns boolean true if the given ipu_rotate_mode requires the use of the Image Rotator. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-29gpu: ipu-v3: Add FSU channel linking supportSteve Longerbeam1-0/+13
Adds functions to link and unlink source channels to sink channels in the FSU: int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch); int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch); The channels numbers are usually IDMAC channels, but they can also be channels that do not transfer data to or from memory. The following convenience functions can be used in place of ipu_fsu_link/unlink() when both source and sink channels are IDMAC channels: int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink); int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink); So far the following links are supported: IPUV3_CHANNEL_IC_PRP_ENC_MEM -> IPUV3_CHANNEL_MEM_ROT_ENC PUV3_CHANNEL_IC_PRP_VF_MEM -> IPUV3_CHANNEL_MEM_ROT_VF IPUV3_CHANNEL_IC_PP_MEM -> IPUV3_CHANNEL_MEM_ROT_PP IPUV3_CHANNEL_CSI_DIRECT -> IPUV3_CHANNEL_CSI_VDI_PREV More links can be added to the fsu_link_info[] array. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-29gpu: ipu-v3: Add Video Deinterlacer unitSteve Longerbeam1-0/+23
Adds the Video Deinterlacer (VDIC) unit. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-08gpu: ipu-v3: Add missing IDMAC channel namesPhilipp Zabel1-0/+12
This patch adds the remaining missing IDMAC channel names: VDIC channels for combining, the separate alpha channels for the MEM->IC and MEM->DC ASYNC channels, and the DC read, command, and output mask channels. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-08gpu: ipu-v3: Add VDI input IDMAC channelsSteve Longerbeam1-0/+3
Adds the VDIC field input IDMAC channels. These channels transfer fields F(n-1), F(n), and F(N+1) from memory to the VDIC (channels 8, 9, 10 respectively). Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-08gpu: ipu-v3: Add ipu_get_num()Steve Longerbeam1-0/+1
Adds of-alias id to ipu_soc and retrieve with ipu_get_num(). Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-08gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize()Steve Longerbeam1-0/+1
Adds ipu_cpmem_get_burstsize(). Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-08gpu: ipu-cpmem: Add ipu_cpmem_set_uv_offset()Steve Longerbeam1-0/+1
Adds ipu_cpmem_set_uv_offset(), to set planar U/V offsets. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-07-12gpu: ipu-v3: ipu-dmfc: Use static DMFC FIFO allocation mechanismLiu Ying1-3/+0
For all video modes we support currently, we always get 2 slots for a plane by using the current existing dynamic DMFC FIFO allocation mechanism. So, let's change to use the static one to simplify the code. This also makes it easier to implement the atomic mode setting as we don't need to handle allocation failure cases then. Signed-off-by: Liu Ying <gnuiyl@gmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-06-07Merge omapdss header refactoringTomi Valkeinen2-208/+9
Merge omapdss public header refactoring, which separates the public header into omapdrm and omapfb parts.
2016-06-06Merge branch '4.8/omapdrm-pll' (omapdrm PLL work)Tomi Valkeinen1-20/+0
Merge omapdrm PLL work, which makes it possible to use the DSS PLLs in a versatile manner, for example, HDMI PLL can be used for LCDs.
2016-06-03drm/omap: Remove the video/omapdss.h and move it's content to local header filePeter Ujfalusi1-888/+0
Move the contents of the video/omapdss.h header file to omapdrm/dss local header file and remove the original global header. The omapfb stach is using video/omapfb_dss.h so this change will complete the separation of the two driver implementation. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2016-06-03omapfb: Create new header file for omapfb DSS implementationPeter Ujfalusi1-0/+880
Copy the content of video/omapdss.h to a new (video/omapfb_dss.h) header file and convert the omapfb drivers to use this new file. The new header file is needed to complete the separation of omapdrm and omapfb implementation of DSS. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2016-06-03omapdss: hdmi audio: Make header file independent of video/omapdss.hPeter Ujfalusi1-5/+0
Clean up the header files regarding to hdmi audio so the omap-hdmi-audio.h file will only need to include the platform_data/omapdss.h file. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> CC: Mark Brown <broonie@kernel.org> CC: Jyri Sarha <jsarha@ti.com> CC: Liam Girdwood <liam.r.girdwood@linux.intel.com>
2016-06-03omapdss: omap-panel-data.h: Remove connector_type from atv pdataPeter Ujfalusi1-3/+0
The driver only supports composite connection when booted in legacy mode so the omap_dss_venc_type can be dropped from the pdata. At the same time the video/omapdss.h include can be removed as it is no longer needed. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2016-06-03omapdss: omap-panel-data.h: Remove struct omap_dss_device declarationPeter Ujfalusi1-2/+0
The omap_dss_device is not needed by anything in the header file. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2016-06-03omapfb: encoder-tfp410: Remove legacy boot supportPeter Ujfalusi1-14/+0
The panel is not used by any legacy board files so the legacy (pdata) boot support can be dropped. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

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