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2018-07-30drm/armada: remove unnecessary armada_plane structureRussell King4-26/+7
We no longer require a private armada_plane structure, so eliminate it, and use the drm_plane structure directly. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: remove unnecessary armada_ovl_plane structureRussell King1-25/+9
We no longer need a private plane structure, so get rid of it. Use the drm_plane structure directly. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: update primary framebuffer parameters on mode changeRussell King1-2/+4
The framebuffer base address and toggling mode needs to be updated when the interlaced flag for mode changes is updated. Arrange to reprogram these parameters when only the mode has changed. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: update planes after the dumb frame is completeRussell King2-19/+28
Write out the plane updates after the dumb frame has completed, but just before the blank period. This allows all the plane updates to be performed in a flicker-free non-tearing manner. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: switch overlay plane to atomic modesetRussell King3-248/+32
Switch the overlay plane away from the transitional helpers and legacy methods, and use atomic helpers instead to implement the legacy set_plane ioctl methods. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: switch primary plane to atomic modesetRussell King2-117/+3
Switch the primary plane away from the transitional helpers, and use the atomic helpers instead to implement the legacy set_plane ioctl call for this plane. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: switch legacy modeset to atomic modesetRussell King2-103/+1
Switch the legacy set_config() method to use the atomic modeset helper, which allows us to get rid of the legacy dpms, prepare, commit, mode_set, mode_set_base and disable helper methods. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: enable atomic modeset supportRussell King2-5/+7
Enable atomic modeset helpers, and internal DRM use of atomic modeset with armada-drm. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: implement atomic_enable()/atomic_disable() methodsRussell King1-0/+71
Implement the atomic_enable()/atomic_disable() methods used by the atomic modeset helpers. atomic_disable() will need some transitional code during conversion to ensure proper ordering is maintained. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: unhook dpms state from armada_drm_crtc_update()Russell King1-6/+5
Explicitly pass in the desired enable/disable state into armada_drm_crtc_update() rather than having it use the DPMS state stored in our crtc structure. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: push responsibility for clock management to backendRussell King3-13/+27
Push responsibility for managing the clock during DPMS down into the variant backend, rather than the CRTC layer having knowledge of its state. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: handle atomic modeset crtc eventsRussell King2-0/+34
Prepare handling for atomic modeset CRTC events. Currently, using the transition helpers, CRTC events do not exist, but once we switch to proper atomic modeset, they have to be handled. We queue an event for the next vblank in two places: - armada_drm_crtc_atomic_flush() provided we aren't doing an atomic modeset. - armada_drm_crtc_commit() if we are committing a modeset. This ensures that the event is sent at the correct time (after all updates have been written to the hardware and after the following vblank.) Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: clean up SPU_ADV_REGRussell King3-9/+8
Rather than writing all bits of SPU_ADV_REG on modeset, only write what we need to change, and initialise the register in the variant initialisation. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: update debug in armada_drm_crtc_mode_set_nofb()Russell King1-10/+9
Update debug to use KMS level, and print the mode using the standard format for mode lines, but print the adjusted CRTC parameters as that's what we will be programming for. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move sync signal polarity to mode_set_nofb() methodRussell King2-26/+22
For atomic modeset, we need to set the sync signal polarities from the CRTC state structure rather than the legacy mode structure stored in CRTC. In any case, we should update this from our mode_set_nofb() method, rather than the commit() method. Move it there, and ensure that armada_drm_crtc_update() will not overwrite these bits. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: push interlace calculation into armada_drm_plane_calc()Russell King3-28/+30
Push the interlaced frame calculation down into armada_drm_plane_calc() which needs to apply the same correction for both the overlay and primary planes. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: provide pitches from armada_drm_plane_calc_addrs()Russell King3-13/+20
Provide the framebuffer pitches from armada_drm_plane_calc_addrs() as well as the base addresses for each plane. Since this is now about more than just addresses, rename to armada_drm_plane_calc(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: pass plane state into armada_drm_plane_calc_addrs()Russell King3-18/+16
armada_drm_plane_calc_addrs() gets all its information from the plane state, so it makes sense to pass the plane state pointer down into this function, rather than extracting the information in identical ways, sometimes a couple of layers up. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move armada_drm_mode_config_funcs to armada_drv.cRussell King5-11/+11
Move the armada_drm_mode_config_funcs to armada_drv.c, since this now has less to do with FBs than it does with general mode configuration. In doing so, we need to make armada_fb_create() visible to armada_drv.c, which reveals a function name clash with armada_fbdev.c. Rename the version in armada_fbdev.c. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: add plane colorspace propertiesRussell King1-1/+32
Use the DRM standard plane properties for specifying the YUV colour encoding parameter. Our colour range is fixed at limited range. Since we are transitioning to atomic modeset, we need to explicitly add handling of these properties to our atomic_set_property() method, but once the transition is complete, these will be removed. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: remove crtc YUV colourspace propertiesRussell King3-122/+0
Remove the unused CRTC colourspace properties - userspace does not make use of these. In any case, these are not a property of the CRTC, since they demonstrably only affect the video (overlay) plane, irrespective of the format of the graphics (primary) plane. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move colorkey properties into overlay plane stateRussell King1-119/+132
Move the overlay plane colorkey properties into the plane state, keeping the existing driver behaviour to avoid breaking userspace. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move CBSH properties into overlay plane stateRussell King2-29/+136
Move the contrast, brightness, and saturation properties to the overlay plane state structure, and call our overlay commit function to update the hardware via the planes atomic_update() method. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move plane works to overlayRussell King3-12/+8
Only overlay makes use of these now, so move these to the overlay code. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move primary plane to separate fileRussell King6-283/+318
Split out the primary plane support; this is now entirely separate from the CRTC support. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: use old_state for update tracking in atomic_update()Russell King3-173/+144
Rather than tracking the register state, we can now check the previous state and decide which registers need updating from that since the old plane state indicates the previous state which was programmed into the hardware. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: remove temporary crtc stateRussell King1-6/+6
Now that we have the CRTC using the atomic modeset transitional helper, there is no need to build a temporary crtc state anymore - we can use the CRTC atomic state directly. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: convert overlay plane to atomic stateRussell King3-120/+145
The overlay plane support updates asynchronously to the request, but the drm_plane_helper_update() transitional helper waits for a vblank event before releasing the framebuffer. Using the transitional helper would make the call block, which would introduce a performance regression. Convert the overlay plane update to use the atomic state structures and methods for the plane, but implement our own legacy update method rather than the transitional helper. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: convert page_flip to use primary plane atomic_update()Russell King1-26/+55
page_flip requests happen asynchronously, so we can't wait on the vblank event before returning to userspace, as the transitional plane update helper would do. Craft our own implementation that keeps the asynchronous behaviour of this request, while making use of the atomic infrastructure for the primary plane update. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: convert primary plane to atomic stateRussell King2-159/+157
Convert the primary plane as a whole to use its atomic state and the transitional helpers. The CRTC is also switched to use the transitional helpers for mode_set() and mode_set_base(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: reset all atomic state during driver initialisationRussell King1-0/+2
Reset the atomic state of any converted components during driver initialisation to ensure that we have the atomic state initialised for any component converted to atomic modeset. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: merge armada_drm_gra_plane_regs() into only callerRussell King1-31/+24
armada_drm_gra_plane_regs() is now only ever called from within armada_drm_primary_update_state(), so merge it into this function. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: use core of primary update_plane for mode setRussell King1-78/+59
Use the core of the update_plane method to configure the primary plane within mode_set() rather than duplicating this code. This moves us closer to the same code structure that the atomic modeset transitional helpers will use. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: move mode set vblank handling and disable/enableRussell King2-21/+21
Move the mode set vblank handling and controller enable/disable to the prepare() and commit() callbacks. This will be needed when we move to mode_set_nofb() as we should not enable the controller without the plane coordinates and location having been properly updated. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: add rectangle helpersRussell King3-9/+21
Add helpers to convert rectangle width/height and x/y to register values. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: clean up armada_drm_crtc_page_flip()Russell King1-12/+0
drm_mode_page_flip_ioctl() already takes care of checking the framebuffer format, and also assigns primary->fb after a successful call to this handler. These are both redundant, and can be removed. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: Adding new typedef vm_fault_tSouptick Joarder1-13/+2
Use new return type vm_fault_t for fault handler in struct vm_operations_struct. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. commit 1c8f422059ae ("mm: change return type to vm_fault_t") Previously vm_insert_pfn() returns err which driver mapped into VM_FAULT_* type. The new function vmf_insert_pfn() will replace this inefficiency by returning VM_FAULT_* type. Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30drm/armada: Replace drm_dev_unref with drm_dev_putThomas Zimmermann1-3/+3
This patch unifies the naming of DRM functions for reference counting of struct drm_device. The resulting code is more aligned with the rest of the Linux kernel interfaces. Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-30BackMerge v4.18-rc7 into drm-nextDave Airlie865-4508/+8450
rmk requested this for armada and I think we've had a few conflicts build up. Signed-off-by: Dave Airlie <airlied@redhat.com>
2018-07-30Merge tag 'drm-amdkfd-next-2018-07-28' of ↵Dave Airlie45-447/+1460
git://people.freedesktop.org/~gabbayo/linux into drm-next This is amdkfd pull for 4.19. The major changes are: - Add Raven support. Raven refers to Ryzen APUs with integrated GFXv9 GPU. - Integrate GPU reset support In addition, there are a couple of small fixes and improvements, such as: - Better handling and reporting to user of VM faults - Fix race upon context restore - Allow the user to use specific Compute Units - Basic power management Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180728122306.GA5235@ogabbay-vm
2018-07-30Linux 4.18-rc7Linus Torvalds1-1/+1
2018-07-29Merge tag 'ext4_for_linus_stable' of ↵Linus Torvalds6-33/+35
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "Some miscellaneous ext4 fixes for 4.18; one fix is for a regression introduced in 4.18-rc4. Sorry for the late-breaking pull. I was originally going to wait for the next merge window, but Eric Whitney found a regression introduced in 4.18-rc4, so I decided to push out the regression plus the other fixes now. (The other commits have been baking in linux-next since early July)" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix check to prevent initializing reserved inodes ext4: check for allocation block validity with block group locked ext4: fix inline data updates with checksums enabled ext4: clear mmp sequence number when remounting read-only ext4: fix false negatives *and* false positives in ext4_check_descriptors()
2018-07-29squashfs: be more careful about metadata corruptionLinus Torvalds4-5/+16
Anatoly Trosinenko reports that a corrupted squashfs image can cause a kernel oops. It turns out that squashfs can end up being confused about negative fragment lengths. The regular squashfs_read_data() does check for negative lengths, but squashfs_read_metadata() did not, and the fragment size code just blindly trusted the on-disk value. Fix both the fragment parsing and the metadata reading code. Reported-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Phillip Lougher <phillip@squashfs.org.uk> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-29ext4: fix check to prevent initializing reserved inodesTheodore Ts'o2-8/+5
Commit 8844618d8aa7: "ext4: only look at the bg_flags field if it is valid" will complain if block group zero does not have the EXT4_BG_INODE_ZEROED flag set. Unfortunately, this is not correct, since a freshly created file system has this flag cleared. It gets almost immediately after the file system is mounted read-write --- but the following somewhat unlikely sequence will end up triggering a false positive report of a corrupted file system: mkfs.ext4 /dev/vdc mount -o ro /dev/vdc /vdc mount -o remount,rw /dev/vdc Instead, when initializing the inode table for block group zero, test to make sure that itable_unused count is not too large, since that is the case that will result in some or all of the reserved inodes getting cleared. This fixes the failures reported by Eric Whiteney when running generic/230 and generic/231 in the the nojournal test case. Fixes: 8844618d8aa7 ("ext4: only look at the bg_flags field if it is valid") Reported-by: Eric Whitney <enwlinux@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2018-07-29Merge tag 'random_for_linus_stable' of ↵Linus Torvalds1-1/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull random fixes from Ted Ts'o: "In reaction to the fixes to address CVE-2018-1108, some Linux distributions that have certain systemd versions in some cases combined with patches to libcrypt for FIPS/FEDRAMP compliance, have led to boot-time stalls for some hardware. The reaction by some distros and Linux sysadmins has been to install packages that try to do complicated things with the CPU and hope that leads to randomness. To mitigate this, if RDRAND is available, mix it into entropy provided by userspace. It won't hurt, and it will probably help" * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: mix rdrand with entropy sent in from userspace
2018-07-29Merge tag 'gpio-v4.18-2' of ↵Linus Torvalds2-2/+7
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Just a smallish OF fix and a driver fix: - OF flag fix for special regulator flags - fix up the Uniphier IRQ callback" * tag 'gpio-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: uniphier: set legitimate irq trigger type in .to_irq hook gpio: of: Handle fixed regulator flags properly
2018-07-28Merge tag 'mips_fixes_4.18_5' of ↵Linus Torvalds2-9/+0
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fix from Paul Burton: "Here's one more MIPS fix, reverting an errata workaround that was merged for v4.18-rc2 but has since been found to cause system hangs on some BCM4718A1-based systems by the OpenWRT project" * tag 'mips_fixes_4.18_5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: Revert "MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum"
2018-07-28Merge branch 'i2c/for-current' of ↵Linus Torvalds3-8/+59
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Some driver bugfixes" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: imx: use open drain for recovery GPIO i2c: rcar: handle RXDMA HW behaviour on Gen3 i2c: imx: Fix reinit_completion() use i2c: davinci: Avoid zero value of CLKH
2018-07-27Merge tag 'for-linus-20180727' of git://git.kernel.dk/linux-blockLinus Torvalds14-56/+209
Pull block fixes from Jens Axboe: "Bigger than usual at this time, mostly due to the O_DIRECT corruption issue and the fact that I was on vacation last week. This contains: - NVMe pull request with two fixes for the FC code, and two target fixes (Christoph) - a DIF bio reset iteration fix (Greg Edwards) - two nbd reply and requeue fixes (Josef) - SCSI timeout fixup (Keith) - a small series that fixes an issue with bio_iov_iter_get_pages(), which ended up causing corruption for larger sized O_DIRECT writes that ended up racing with buffered writes (Martin Wilck)" * tag 'for-linus-20180727' of git://git.kernel.dk/linux-block: block: reset bi_iter.bi_done after splitting bio block: bio_iov_iter_get_pages: pin more pages for multi-segment IOs blkdev: __blkdev_direct_IO_simple: fix leak in error case block: bio_iov_iter_get_pages: fix size of last iovec nvmet: only check for filebacking on -ENOTBLK nvmet: fixup crash on NULL device path scsi: set timed out out mq requests to complete blk-mq: export setting request completion state nvme: if_ready checks to fail io to deleting controller nvmet-fc: fix target sgl list on large transfers nbd: handle unexpected replies better nbd: don't requeue the same request twice.
2018-07-27Merge branch 'akpm' (patches from Andrew)Linus Torvalds23-18/+73
Merge misc fixes from Andrew Morton: "11 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kvm, mm: account shadow page tables to kmemcg zswap: re-check zswap_is_full() after do zswap_shrink() include/linux/eventfd.h: include linux/errno.h mm: fix vma_is_anonymous() false-positives mm: use vma_init() to initialize VMAs on stack and data segments mm: introduce vma_init() mm: fix exports that inadvertently make put_page() EXPORT_SYMBOL_GPL ipc/sem.c: prevent queue.status tearing in semop mm: disallow mappings that conflict for devm_memremap_pages() kasan: only select SLUB_DEBUG with SYSFS=y delayacct: fix crash in delayacct_blkio_end() after delayacct init failure