- 20 Aug, 2020 2 commits
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Paul Cercueil authored
The drm_panel_of_backlight() function must be called after drm_panel_init(), according to the function's documentation; otherwise the backlight won't be properly initialized. Reviewed-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Link: https://patchwork.freedesktop.org/patch/msgid/20200820121256.32037-2-paul@crapouillou.net
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Christian König authored
drm-next reverted the changes to ttm_tt_create() to do the NULL check inside the function, but drm-misc-next adds new users of this approach. Re-apply the NULL check change inside the function to fix this. Signed-off-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/386628/
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- 19 Aug, 2020 4 commits
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Tom Rix authored
Reviewing this block of code in cdv_intel_dp_init() ret = cdv_intel_dp_aux_native_read(gma_encoder, DP_DPCD_REV, ... cdv_intel_edp_panel_vdd_off(gma_encoder); if (ret == 0) { /* if this fails, presume the device is a ghost */ DRM_INFO("failed to retrieve link info, disabling eDP\n"); drm_encoder_cleanup(encoder); cdv_intel_dp_destroy(connector); goto err_priv; } else { The (ret == 0) is not strict enough. cdv_intel_dp_aux_native_read() returns > 0 on success otherwise it is failure. So change to <= Fixes: d112a816 ("gma500/cdv: Add eDP support") Signed-off-by:Tom Rix <trix@redhat.com> Signed-off-by:
Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200805205911.20927-1-trix@redhat.com
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Linus Walleij authored
Finalize he conversion of GMA500 to use only GPIO descriptors. The GPIO look-up-table is associated with the device directly in the GMA500 Medfield chip driver since no explicit platform type device (such as in x86/platform/intel-mid) exists: the GMA500 probes directly from the PCI device. Apparently GPIOs 128 and 34 are used on all of these so just go ahead and register those for resetting the DSI pipes. Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Randy Dunlap authored
sparse complains about having 2 "__iomem" attributes on the same line where only one is needed since the first one applies to everything up to the ending ';'. However, to make it clear(er) that both of these pointers are "__iomem", use separate lines for them. ../drivers/gpu/drm/ast/ast_cursor.c:256:26: CK: warning: duplicate [noderef] ../drivers/gpu/drm/ast/ast_cursor.c:256:26: CK: error: multiple address space given: __iomem & __iomem Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Reviewed-by:
Thomas Zimmermann <tzimmermann@suse.de> Cc: Dave Airlie <airlied@redhat.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by:
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David Stevens authored
Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
David Stevens <stevensd@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20200819031011.310180-1-stevensd@chromium.orgSigned-off-by:
Gerd Hoffmann <kraxel@redhat.com>
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- 18 Aug, 2020 15 commits
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Sam Ravnborg authored
Standardize on the dev_ based logging and drop the include of drm_print.h. Fix a few cases where "x@" was used when printing the mode. Signed-off-by:
Guido Günther <agx@sigxcpu.org> Cc: Jerry Han <hanxu5@huaqin.corp-partner.google.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Icenowy Zheng <icenowy@aosc.io> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Guido Günther <agx@sigxcpu.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200815125406.1153224-6-sam@ravnborg.org
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Sam Ravnborg authored
Standardize on the dev_ based logging and drop the include of drm_print.h. Fix a few cases where "x@" was used when printing the mode. Signed-off-by:
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Sam Ravnborg authored
Standardize on the dev_ based logging and drop the include of drm_print.h. Fix a few cases where "x@" was used when printing the mode. Signed-off-by:
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Sam Ravnborg authored
Standardize on the dev_ based logging and drop the include of drm_print.h. Fix a few cases where "x@" was used when printing the mode. Signed-off-by:
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Sam Ravnborg authored
Standardize on the dev_ based logging and drop the include of drm_print.h. Fix a few cases where "x@" was used when printing the mode. Signed-off-by:
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Guido Günther authored
The panel uses a Focaltech FT8006p, the touch part is handled by the already existing edt-ft5x06. Signed-off-by:
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Guido Günther authored
The panel uses a Focaltech FT8006p, the touch part is handled by the already existing edt-ft5x06. Signed-off-by:
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Guido Günther authored
Add prefix for Mantix Display Technology Co.,Ltd. Signed-off-by:
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Thomas Zimmermann authored
The malidp driver uses GEM object functions for callbacks. Fix it to use them internally as well. Signed-off-by:
Daniel Vetter <daniel@ffwll.ch> Fixes: ecdd6474 ("drm/malidp: Use GEM CMA object functions") Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Emil Velikov <emil.velikov@collabora.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200807111022.12117-1-tzimmermann@suse.de
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Maxime Ripard authored
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by:Maxime Ripard <maxime@cerno.tech>
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Tian Tao authored
Remove Rongrong Zou and change tiantao as hisilicon DRM maintainer. Signed-off-by:
Tian Tao <tiantao6@hisilicon.com> Acked-by:
xinliang.liu <xinliang.liu@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1597134186-58423-1-git-send-email-tiantao6@hisilicon.com
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Rikard Falkeborn authored
A number of static variables are not modified and can be made const to allow the compiler to put them in read-only memory. Signed-off-by:
Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by:
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David Stevens authored
Add support for UUID-based resource sharing mechanism to virtgpu. This implements the new virtgpu commands and hooks them up to dma-buf's get_uuid callback. Signed-off-by:
Michael S. Tsirkin <mst@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200818071343.3461203-4-stevensd@chromium.orgSigned-off-by:
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David Stevens authored
This feature allows the guest to request a UUID from the host for a particular virtio_gpu resource. The UUID can then be shared with other virtio devices, to allow the other host devices to access the virtio_gpu's corresponding host resource. Signed-off-by:
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David Stevens authored
This change adds a new flavor of dma-bufs that can be used by virtio drivers to share exported objects. A virtio dma-buf can be queried by virtio drivers to obtain the UUID which identifies the underlying exported object. Signed-off-by:
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- 17 Aug, 2020 5 commits
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Sidong Yang authored
Replace deprecated function drm_modeset_lock/unlock_all with helper function DRM_MODESET_LOCK_ALL_BEGIN/END. Signed-off-by:
Sidong Yang <realwakka@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200524022624.10363-1-realwakka@gmail.comSigned-off-by:
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Gustavo A. R. Silva authored
Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes. This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by:
Gustavo A. R. Silva <gustavoars@kernel.org> Link: http://patchwork.freedesktop.org/patch/msgid/20200617215707.GA16785@embeddedorSigned-off-by:
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Gerd Hoffmann authored
qemu 5.0 introduces a new qxl hardware revision 5. Unlike revision 4 (and below) the device doesn't switch back into vga compatibility mode when someone touches the vga ports. So we don't have to reserve the vga ports any more to avoid that happening. Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20200807105501.24599-1-kraxel@redhat.com
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Gurchetan Singh authored
This reverts commit d323bb44. Fixes a double-free regression: [ 4.357928] drm_gem_shmem_free_object+0xb4/0x100 [ 4.358983] virtio_gpu_dequeue_ctrl_func+0xd9/0x290 [ 4.360343] process_one_work+0x1d2/0x3a0 [ 4.361581] worker_thread+0x45/0x3c0 [ 4.362645] kthread+0xf6/0x130 [ 4.363543] ? process_one_work+0x3a0/0x3a0 [ 4.364770] ? kthread_park+0x80/0x80 [ 4.365799] ret_from_fork+0x35/0x40 [ 4.367103] Modules linked in: [ 4.367958] CR2: 0000000000000018 [ 4.368857] ---[ end trace db84f7a2974d5c79 ]--- [ 4.370118] RIP: 0010:dma_direct_unmap_sg+0x1f/0x60 In addition, virtio has it's own set of dma-ops so there's not an obviously clean way to transition to shmem helpers. Fixes: d323bb44 ("drm/virtio: Call the right shmem helpers") Signed-off-by:
Gurchetan Singh <gurchetansingh@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20200615230500.551-1-gurchetansingh@chromium.orgSigned-off-by:
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Colin Ian King authored
Variables width and height are being assigned values that are never read. The assignments are redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by:Colin Ian King <colin.king@canonical.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200701134154.549112-1-colin.king@canonical.comSigned-off-by:
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- 16 Aug, 2020 12 commits
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Linus Torvalds authored
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull io_uring fixes from Jens Axboe: "A few differerent things in here. Seems like syzbot got some more io_uring bits wired up, and we got a handful of reports and the associated fixes are in here. General fixes too, and a lot of them marked for stable. Lastly, a bit of fallout from the async buffered reads, where we now more easily trigger short reads. Some applications don't really like that, so the io_read() code now handles short reads internally, and got a cleanup along the way so that it's now easier to read (and documented). We're now passing tests that failed before" * tag 'io_uring-5.9-2020-08-15' of git://git.kernel.dk/linux-block: io_uring: short circuit -EAGAIN for blocking read attempt io_uring: sanitize double poll handling io_uring: internally retry short reads io_uring: retain iov_iter state over io_read/io_write calls task_work: only grab task signal lock when needed io_uring: enable lookup of links holding inflight files io_uring: fail poll arm on queue proc failure io_uring: hold 'ctx' reference around task_work queue + execute fs: RWF_NOWAIT should imply IOCB_NOIO io_uring: defer file table grabbing request cleanup for locked requests io_uring: add missing REQ_F_COMP_LOCKED for nested requests io_uring: fix recursive completion locking on oveflow flush io_uring: use TWA_SIGNAL for task_work uncondtionally io_uring: account locked memory before potential error case io_uring: set ctx sq/cq entry count earlier io_uring: Fix NULL pointer dereference in loop_rw_iter() io_uring: add comments on how the async buffered read retry works io_uring: io_async_buf_func() need not test page bit
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Mike Rapoport authored
Commit 1355c31e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") converted parisc to use generic version of pmd_alloc_one() but it missed the fact that parisc uses order-1 pages for PMD. Restore the original version of pmd_alloc_one() for parisc, just use GFP_PGTABLE_KERNEL that implies __GFP_ZERO instead of GFP_KERNEL and memset. Fixes: 1355c31e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") Reported-by:
Meelis Roos <mroos@linux.ee> Signed-off-by:
Mike Rapoport <rppt@linux.ibm.com> Tested-by:
Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lkml.kernel.org/r/9f2b5ebd-e4a4-0fa1-6cd3-4b9f6892d1ad@linux.eeSigned-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Guido Günther authored
I maintained the txt based bindings before yaml conversion and care about the driver. Signed-off-by:
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Guido Günther authored
- Use common properties from panel-common.yaml - Indent comment like content - Don't preserve newlines in description - Indent example by four spaces Signed-off-by:
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Dmitry Osipenko authored
The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for the panel-simple driver. Signed-off-by:
Dmitry Osipenko <digetx@gmail.com> Signed-off-by:
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Dmitry Osipenko authored
The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for the generic LVDS panel. Signed-off-by:
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Derek Basehore authored
This reads the DT setting for the panel rotation to set the panel orientation in the get_modes callback. Reviewed-by:
Derek Basehore <dbasehore@chromium.org> Signed-off-by:
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Derek Basehore authored
This adds a helper function for reading the rotation (panel orientation) from the device tree. Reviewed-by:
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "A few fixes on the block side of things: - Discard granularity fix (Coly) - rnbd cleanups (Guoqing) - md error handling fix (Dan) - md sysfs fix (Junxiao) - Fix flush request accounting, which caused an IO slowdown for some configurations (Ming) - Properly propagate loop flag for partition scanning (Lennart)" * tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block: block: fix double account of flush request's driver tag loop: unset GENHD_FL_NO_PART_SCAN on LOOP_CONFIGURE rnbd: no need to set bi_end_io in rnbd_bio_map_kern rnbd: remove rnbd_dev_submit_io md-cluster: Fix potential error pointer dereference in resize_bitmaps() block: check queue's limits.discard_granularity in __blkdev_issue_discard() md: get sysfs entry after redundancy attr group create -
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V fix from Palmer Dabbelt: "I collected a single fix during the merge window: we managed to break the early trap setup on !MMU, this fixes it" * tag 'riscv-for-linus-5.9-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Setup exception vector for nommu platform
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git://git.libc.org/linux-shLinus Torvalds authored
Pull arch/sh updates from Rich Felker: "Cleanup, SECCOMP_FILTER support, message printing fixes, and other changes to arch/sh" * tag 'sh-for-5.9' of git://git.libc.org/linux-sh: (34 commits) sh: landisk: Add missing initialization of sh_io_port_base sh: bring syscall_set_return_value in line with other architectures sh: Add SECCOMP_FILTER sh: Rearrange blocks in entry-common.S sh: switch to copy_thread_tls() sh: use the generic dma coherent remap allocator sh: don't allow non-coherent DMA for NOMMU dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig sh: unexport register_trapped_io and match_trapped_io_handler sh: don't include <asm/io_trapped.h> in <asm/io.h> sh: move the ioremap implementation out of line sh: move ioremap_fixed details out of <asm/io.h> sh: remove __KERNEL__ ifdefs from non-UAPI headers sh: sort the selects for SUPERH alphabetically sh: remove -Werror from Makefiles sh: Replace HTTP links with HTTPS ones arch/sh/configs: remove obsolete CONFIG_SOC_CAMERA* sh: stacktrace: Remove stacktrace_ops.stack() sh: machvec: Modernize printing of kernel messages sh: pci: Modernize printing of kernel messages ...
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- 15 Aug, 2020 2 commits
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Jens Axboe authored
One case was missed in the short IO retry handling, and that's hitting -EAGAIN on a blocking attempt read (eg from io-wq context). This is a problem on sockets that are marked as non-blocking when created, they don't carry any REQ_F_NOWAIT information to help us terminate them instead of perpetually retrying. Fixes: 227c0c96 ("io_uring: internally retry short reads") Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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Jens Axboe authored
There's a bit of confusion on the matching pairs of poll vs double poll, depending on if the request is a pure poll (IORING_OP_POLL_ADD) or poll driven retry. Add io_poll_get_double() that returns the double poll waitqueue, if any, and io_poll_get_single() that returns the original poll waitqueue. With that, remove the argument to io_poll_remove_double(). Finally ensure that wait->private is cleared once the double poll handler has run, so that remove knows it's already been seen. Cc: stable@vger.kernel.org # v5.8 Reported-by: syzbot+7f617d4a9369028b8a2c@syzkaller.appspotmail.com Fixes: 18bceab1 ("io_uring: allow POLL_ADD with double poll_wait() users") Signed-off-by:
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