- 20 Aug, 2016 40 commits
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Feng Li authored
commit 8abc718d upstream. In MC/S scenario, the conn->sess has been set NULL in iscsi_login_non_zero_tsih_s1 when the second connection comes here, then kernel panic. The conn->sess will be assigned in iscsi_login_non_zero_tsih_s2. So we should check whether it's NULL before calling. Signed-off-by:
Feng Li <lifeng1519@gmail.com> Tested-by:
Sumit Rai <sumit.rai@calsoftinc.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Iosif Harutyunov authored
commit 714fb87e upstream. Install the UBI device object before we arm sysfs. Otherwise udev tries to read sysfs attributes before UBI is ready and udev rules will not match. Signed-off-by:
Iosif Harutyunov <iharutyunov@sonicwall.com> [rw: massaged commit message] Signed-off-by:
Richard Weinberger <richard@nod.at> Signed-off-by:
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Richard Weinberger authored
commit bc743f34 upstream. We cannot use ubi_* logging functions before the UBI object is initialized. Fixes: 32608703 ("UBI: Extend UBI layer debug/messaging capabilities") Signed-off-by:
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Richard Weinberger authored
commit 4946784b upstream. When the volume resize operation shrinks a volume, LEBs will be unmapped. Since unmapping will not erase these LEBs immediately we have to wait for that operation to finish. Otherwise in case of a power cut right after writing the new volume table the UBI attach process can find more LEBs than the volume table knows. This will render the UBI image unattachable. Fix this issue by waiting for erase to complete and write the new volume table afterward. Reported-by:
Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by:
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Frank Rowand authored
commit d9fc8807 upstream. Fix a memory leak resulting from memory allocation in safe_name(). This patch fixes all call sites of safe_name(). Mathieu Malaterre reported the memory leak on boot: On my PowerMac device-tree would generate a duplicate name: [ 0.023043] device-tree: Duplicate name in PowerPC,G4@0, renamed to "l2-cache#1" in this case a newly allocated name is generated by `safe_name`. However in this case it is never deallocated. The bug was found using kmemleak reported as: unreferenced object 0xdf532e60 (size 32): comm "swapper", pid 1, jiffies 4294892300 (age 1993.532s) hex dump (first 32 bytes): 6c 32 2d 63 61 63 68 65 23 31 00 dd e4 dd 1e c2 l2-cache#1...... ec d4 ba ce 04 ec cc de 8e 85 e9 ca c4 ec cc 9e ................ backtrace: [<c02d3350>] kvasprintf+0x64/0xc8 [<c02d3400>] kasprintf+0x4c/0x5c [<c0453814>] safe_name.isra.1+0x80/0xc4 [<c04545d8>] __of_attach_node_sysfs+0x6c/0x11c [<c075f21c>] of_core_init+0x8c/0xf8 [<c0729594>] kernel_init_freeable+0xd4/0x208 [<c00047e8>] kernel_init+0x24/0x11c [<c00158ec>] ret_from_kernel_thread+0x5c/0x64 Link: https://bugzilla.kernel.org/show_bug.cgi?id=120331Signed-off-by:
Frank Rowand <frank.rowand@am.sony.com> Reported-by: mathieu.malaterre@gmail.com Tested-by:
Mathieu Malaterre <mathieu.malaterre@gmail.com> Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Dotan Barak authored
commit 5b420d9c upstream. When RC, UC, or RAW QPs are created, a qp object is allocated (kzalloc). If at a later point (in procedure create_qp_common) the qp creation fails, this qp object must be freed. Fixes: 1ffeb2eb ("IB/mlx4: SR-IOV IB context objects and proxy/tunnel SQP support") Signed-off-by:
Dotan Barak <dotanb@dev.mellanox.co.il> Signed-off-by:
Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by:
Leon Romanovsky <leon@kernel.org> Signed-off-by:
Doug Ledford <dledford@redhat.com> Signed-off-by:
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Yishai Hadas authored
commit a6100603 upstream. Fix mad send error flow to prevent double freeing address handles, and leaking tx_ring entries when SRIOV is active. If ib_mad_post_send fails, the address handle pointer in the tx_ring entry must be set to NULL (or there will be a double-free) and tx_tail must be incremented (or there will be a leak of tx_ring entries). The tx_ring is handled the same way in the send-completion handler. Fixes: 37bfc7c1 ("IB/mlx4: SR-IOV multiplex and demultiplex MADs") Signed-off-by:
Yishai Hadas <yishaih@mellanox.com> Reviewed-by:
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Yishai Hadas authored
commit f2940e2c upstream. When calculating the required size of an RC QP send queue, leave enough space for masked atomic operations, which require more space than "regular" atomic operation. Fixes: 6fa8f719 ("IB/mlx4: Add support for masked atomic operations") Signed-off-by:
Jack Morgenstein <jackm@mellanox.co.il> Reviewed-by:
Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by:
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Mark Bloch authored
commit 5ed935e8 upstream. In case ibnl_put_msg fails in send_nlmsg_done, the function returns with -ENOMEM without freeing. This patch fixes this behavior. Fixes: 30dc5e63 ("RDMA/core: Add support for iWARP Port Mapper user space service") Signed-off-by:
Mark Bloch <markb@mellanox.com> Reviewed-by:
Leon Romanovsky <leonro@mellanox.com> Signed-off-by:
Steve Wise <swise@opengridcomputing.com> Signed-off-by:
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Erez Shitrit authored
commit 61c78eea upstream. ipoib_neigh_get unconditionally updates the "alive" variable member on any packet send. This prevents the neighbor garbage collection from cleaning out a dead neighbor entry if we are still queueing packets for it. If the queue for this neighbor is full, then don't update the alive timestamp. That way the neighbor can time out even if packets are still being queued as long as none of them are being sent. Fixes: b63b70d8 ("IPoIB: Use a private hash table for path lookup in xmit path") Signed-off-by:
Erez Shitrit <erezsh@mellanox.com> Signed-off-by:
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Mark Bloch authored
commit 0f377d86 upstream. Fixes a direct call to kfree_skb when nlmsg_free should be used. Fixes: 2ca546b9 ('IB/sa: Route SA pathrecord query through netlink') Signed-off-by:
Ira Weiny <ira.weiny@intel.com> Reviewed-by:
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Noa Osherovich authored
commit 2788cf3b upstream. FW port-change events are fired on Active <-> non Active port state transitions only. When the port state changes from Active to Initializing (Active -> Down -> Initializing), a single event is fired. The HCA transitions from Down to Initializing unless prevented from doing so, hence the driver should also propagate events when the port state is Initializing to consumers so they'll be aware that the port is no longer Active and act accordingly. Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB...') Signed-off-by:
Noa Osherovich <noaos@mellanox.com> Signed-off-by:
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Eli Cohen authored
commit c9b25495 upstream. If the caller specified IB_SEND_FENCE in the send flags of the work request and no previous work request stated that the successive one should be fenced, the work request would be executed without a fence. This could result in RDMA read or atomic operations failure due to a MR being invalidated. Fix this by adding the mlx5 enumeration for fencing RDMA/atomic operations and fix the logic to apply this. Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by:
Eli Cohen <eli@mellanox.com> Signed-off-by:
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Noa Osherovich authored
commit 3c4c3774 upstream. Verify that number of entries is less than device capability. Add an appropriate warning message for error flow. Fixes: bde51583 ('IB/mlx5: Add support for resize CQ') Signed-off-by:
Majd Dibbiny <majd@mellanox.com> Signed-off-by:
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Noa Osherovich authored
commit 0540d814 upstream. Some variables were not initialized properly: max_recv_wr, max_recv_sge, max_send_wr, qp_context and max_inline_data. Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB...') Signed-off-by:
Sagi Grimberg <sagi@grimberg.me> Signed-off-by:
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Noa Osherovich authored
commit 9ea57852 upstream. Number of entries shouldn't be greater than the device's max capability. This should be checked before rounding the entries number to power of two. Fixes: 51ee86a4 ('IB/mlx5: Fix check of number of entries...') Signed-off-by:
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Artemy Kovalyov authored
commit e3353c26 upstream. Make MODIFY_QP command input structure compliant to specification Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by:
Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by:
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Hui Wang authored
commit 59ec4b57 upstream. One of the machines has ALC255 on it, another one has ALC298 on it. On the machine with the codec ALC298, it also has the speaker volume problem, so we add the fixup chained to ALC298_FIXUP_SPK_VOLUME rather than adding a group of pin definition in the pin quirk table, since the speak volume problem does not happen on other machines yet. Signed-off-by:
Hui Wang <hui.wang@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Maruthi Srinivas Bayyavarapu authored
commit fd48331f upstream. This commit fixes garbled audio on Bonaire HDMI Signed-off-by:
Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com> Reviewed-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Hui Wang authored
commit dd9aa335 upstream. We have a Dell AIO on which we can't adjust its speaker's volume. The problem is it is connected to a Audio Output node without Amp-out capability. To fix it, we change it to be connnected to a node with Amp-out capability. Signed-off-by:
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Takashi Iwai authored
commit 33baefe5 upstream. krealloc() doesn't work always properly with __GFP_ZERO flag as expected. For clearing the reallocated area, we need to clear explicitly instead. Reported-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Jia He authored
commit 649920c6 upstream. In powerpc servers with large memory(32TB), we watched several soft lockups for hugepage under stress tests. The call traces are as follows: 1. get_page_from_freelist+0x2d8/0xd50 __alloc_pages_nodemask+0x180/0xc20 alloc_fresh_huge_page+0xb0/0x190 set_max_huge_pages+0x164/0x3b0 2. prep_new_huge_page+0x5c/0x100 alloc_fresh_huge_page+0xc8/0x190 set_max_huge_pages+0x164/0x3b0 This patch fixes such soft lockups. It is safe to call cond_resched() there because it is out of spin_lock/unlock section. Link: http://lkml.kernel.org/r/1469674442-14848-1-git-send-email-hejianet@gmail.comSigned-off-by:
Jia He <hejianet@gmail.com> Reviewed-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by:
Michal Hocko <mhocko@suse.com> Acked-by:
Dave Hansen <dave.hansen@linux.intel.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Hector Palacios authored
commit 144f4c98 upstream. nand_do_write_ops() determines if it is writing a partial page with the formula: part_pagewr = (column || writelen < (mtd->writesize - 1)) When 'writelen' is exactly 1 byte less than the NAND page size the formula equates to zero, so the code doesn't process it as a partial write, although it should. As a consequence the function remains in the while(1) loop with 'writelen' becoming 0xffffffff and iterating endlessly. The bug may not be easy to reproduce in Linux since user space tools usually force the padding or round-up the write size to a page-size multiple. This was discovered in U-Boot where the issue can be reproduced by writing any size that is 1 byte less than a page-size multiple. For example, on a NAND with 2K page (0x800): => nand erase.part <partition> => nand write $loadaddr <partition> 7ff [Editor's note: the bug was added in commit 29072b96, but moved around in commit 66507c7b ("mtd: nand: Add support to use nand_base poi databuf as bounce buffer")] Fixes: 29072b96 ("[MTD] NAND: add subpage write support") Signed-off-by:
Hector Palacios <hector.palacios@digi.com> Acked-by:
Brian Norris <computersforpeace@gmail.com> Signed-off-by:
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Dan Williams authored
commit df08c32c upstream. The name for a bdi of a gendisk is derived from the gendisk's devt. However, since the gendisk is destroyed before the bdi it leaves a window where a new gendisk could dynamically reuse the same devt while a bdi with the same name is still live. Arrange for the bdi to hold a reference against its "owner" disk device while it is registered. Otherwise we can hit sysfs duplicate name collisions like the following: WARNING: CPU: 10 PID: 2078 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80 sysfs: cannot create duplicate filename '/devices/virtual/bdi/259:1' Hardware name: HP ProLiant DL580 Gen8, BIOS P79 05/06/2015 0000000000000286 0000000002c04ad5 ffff88006f24f970 ffffffff8134caec ffff88006f24f9c0 0000000000000000 ffff88006f24f9b0 ffffffff8108c351 0000001f0000000c ffff88105d236000 ffff88105d1031e0 ffff8800357427f8 Call Trace: [<ffffffff8134caec>] dump_stack+0x63/0x87 [<ffffffff8108c351>] __warn+0xd1/0xf0 [<ffffffff8108c3cf>] warn_slowpath_fmt+0x5f/0x80 [<ffffffff812a0d34>] sysfs_warn_dup+0x64/0x80 [<ffffffff812a0e1e>] sysfs_create_dir_ns+0x7e/0x90 [<ffffffff8134faaa>] kobject_add_internal+0xaa/0x320 [<ffffffff81358d4e>] ? vsnprintf+0x34e/0x4d0 [<ffffffff8134ff55>] kobject_add+0x75/0xd0 [<ffffffff816e66b2>] ? mutex_lock+0x12/0x2f [<ffffffff8148b0a5>] device_add+0x125/0x610 [<ffffffff8148b788>] device_create_groups_vargs+0xd8/0x100 [<ffffffff8148b7cc>] device_create_vargs+0x1c/0x20 [<ffffffff811b775c>] bdi_register+0x8c/0x180 [<ffffffff811b7877>] bdi_register_dev+0x27/0x30 [<ffffffff813317f5>] add_disk+0x175/0x4a0 Reported-by:
Yi Zhang <yizhan@redhat.com> Tested-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
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Paolo Valente authored
commit 20bd723e upstream. When a bio is cloned, the newly created bio must be associated with the same blkcg as the original bio (if BLK_CGROUP is enabled). If this operation is not performed, then the new bio is not associated with any group, and the group of the current task is returned when the group of the bio is requested. Depending on the cloning frequency, this may cause a large percentage of the bios belonging to a given group to be treated as if belonging to other groups (in most cases as if belonging to the root group). The expected group isolation may thereby be broken. This commit adds the missing association in bio-cloning functions. Fixes: da2f0f74 ("Btrfs: add support for blkio controllers") Signed-off-by:
Paolo Valente <paolo.valente@linaro.org> Reviewed-by:
Nikolay Borisov <kernel@kyup.com> Reviewed-by:
Jeff Moyer <jmoyer@redhat.com> Acked-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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James Hogan authored
commit 6154c187 upstream. The LNKGET based atomic sequence in __cmpxchg_u32 has slightly incorrect constraints for the return value which under certain circumstances can allow an address unit register to be used as the first operand of a CMP instruction. This isn't a valid instruction however as the encodings only allow a data unit to be specified. This would result in an assembler error like the following: Error: failed to assemble instruction: "CMP A0.2,D0Ar6" Fix by changing the constraint from "=&da" (assigned, early clobbered, data or address unit register) to "=&d" (data unit register only). The constraint for the second operand, "bd" (an op2 register where op1 is a data unit register and the instruction supports O2R) is already correct assuming the first operand is a data unit register. Other cases of CMP in inline asm have had their constraints checked, and appear to all be fine. Fixes: 6006c0d8 ("metag: Atomics, locks and bitops") Signed-off-by:
James Hogan <james.hogan@imgtec.com> Cc: linux-metag@vger.kernel.org Signed-off-by:
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Laura Abbott authored
commit b2e1c26f upstream. glibc recently did a sync up (94e73c95d9b5 "elf.h: Sync with the gabi webpage") that added a #define for EM_METAG but did not add relocations This triggers build errors: scripts/recordmcount.c: In function 'do_file': scripts/recordmcount.c:466:28: error: 'R_METAG_ADDR32' undeclared (first use in this function) case EM_METAG: reltype = R_METAG_ADDR32; ^~~~~~~~~~~~~~ scripts/recordmcount.c:466:28: note: each undeclared identifier is reported only once for each function it appears in scripts/recordmcount.c:468:20: error: 'R_METAG_NONE' undeclared (first use in this function) rel_type_nop = R_METAG_NONE; ^~~~~~~~~~~~ Work around this change with some more #ifdefery for the relocations. Fedora Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1354034 Link: http://lkml.kernel.org/r/1468005530-14757-1-git-send-email-labbott@redhat.com Cc: James Hogan <james.hogan@imgtec.com> Fixes: 00512bdd ("metag: ftrace support") Reported-by:
Ross Burton <ross.burton@intel.com> Signed-off-by:
Laura Abbott <labbott@redhat.com> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Konstantin Neumoin authored
commit 37cf99e0 upstream. The balloon has a special mechanism that is subscribed to the oom notification which leads to deflation for a fixed number of pages. The number is always fixed even when the balloon is fully deflated. But leak_balloon did not expect that the pages to deflate will be more than taken, and raise a "BUG" in balloon_page_dequeue when page list will be empty. So, the simplest solution would be to check that the number of releases pages is less or equal to the number taken pages. Signed-off-by:
Konstantin Neumoin <kneumoin@virtuozzo.com> Signed-off-by:
Denis V. Lunev <den@openvz.org> CC: Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
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Mario Kleiner authored
commit 196f954e upstream. This reverts commit 013dd9e0 ("drm/i915/dp: fall back to 18 bpp when sink capability is unknown") This commit introduced a regression into stable kernels, as it reduces output color depth to 6 bpc for any video sink connected to a Displayport connector if that sink doesn't report a specific color depth via EDID, or if our EDID parser doesn't actually recognize the proper bpc from EDID. Affected are active DisplayPort->VGA converters and active DisplayPort->DVI converters. Both should be able to handle 8 bpc, but are degraded to 6 bpc with this patch. The reverted commit was meant to fix Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=105331 A followup patch implements a fix for that specific bug, which is caused by a faulty EDID of the affected DP panel by adding a new EDID quirk for that panel. DP 18 bpp fallback handling and other improvements to DP sink bpc detection will be handled for future kernels in a separate series of patches. Please backport to stable. Signed-off-by:
Mario Kleiner <mario.kleiner.de@gmail.com> Acked-by:
Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Dave Airlie <airlied@redhat.com> Signed-off-by:
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Ville Syrjälä authored
commit a7b4667a upstream. SNB (and IVB too I suppose) starts to misbehave if the GPU gets stuck in an infinite batch buffer loop. The GPU apparently hogs something critical and CPUs start to lose interrupts and whatnot. We can keep the system limping along by unmasking some interrupts in GEN6_PMINTRMSK. The EI up interrupt has been previously chosen for that task, so let's never mask it. v2: s/gen6_rps_pm_mask/gen6_sanitize_rps_pm_mask/ (Chris) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93122Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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Mario Kleiner authored
commit e10aec65 upstream. Bugzilla https://bugzilla.kernel.org/show_bug.cgi?id=105331 reports that the "AEO model 0" display is driven with 8 bpc without dithering by default, which looks bad because that panel is apparently a 6 bpc DP panel with faulty EDID. A fix for this was made by commit 013dd9e0 ("drm/i915/dp: fall back to 18 bpp when sink capability is unknown"). That commit triggers new regressions in precision for DP->DVI and DP->VGA displays. A patch is out to revert that commit, but it will revert video output for the AEO model 0 panel to 8 bpc without dithering. The EDID 1.3 of that panel, as decoded from the xrandr output attached to that bugzilla bug report, is somewhat faulty, and beyond other problems also sets the "DFP 1.x compliant TMDS" bit, which according to DFP spec means to drive the panel with 8 bpc and no dithering in absence of other colorimetry information. Try to make the original bug reporter happy despite the faulty EDID by adding a quirk to mark that panel as 6 bpc, so 6 bpc output with dithering creates a nice picture. Tested by injecting the edid from the fdo bug into a DP connector via drm_kms_helper.edid_firmware and verifying the 6 bpc + dithering is selected. This patch should be backported to stable. Signed-off-by:
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Chris Wilson authored
commit 396f5d62 upstream. This effectively reverts commit afcd950c Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Jun 10 15:58:01 2015 +0100 drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() as we have observed issues with serialisation of the clflush operations on Baytrail+ Atoms with partial updates. Applying the double flush on the last cacheline forces that clflush to be ordered with respect to the previous clflush, and the mfence then protects against prefetches crossing the clflush boundary. The same issue can be demonstrated in userspace with igt/gem_exec_flush. Fixes: afcd950c (drm: Avoid the double clflush on the last cache...) Testcase: igt/gem_concurrent_blit Testcase: igt/gem_partial_pread_pwrite Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92845Signed-off-by:
Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by:
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Mikulas Patocka authored
commit 28668f43 upstream. The patch f045f459 ("drm/nouveau/fbcon: fix out-of-bounds memory accesses") tries to fix some out of memory accesses. Unfortunatelly, the patch breaks the display when using fonts with width that is not divisiable by 8. The monochrome bitmap for each character is stored in memory by lines from top to bottom. Each line is padded to a full byte. For example, for 22x11 font, each line is padded to 16 bits, so each character is consuming 44 bytes total, that is 11 32-bit words. The patch f045f459 changed the logic to "dsize = ALIGN(image->width * image->height, 32) >> 5", that is just 8 words - this is incorrect and it causes display corruption. This patch adds the necesary padding of lines to 8 bytes. This patch should be backported to stable kernels where f045f459 was backported. Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Fixes: f045f459 ("drm/nouveau/fbcon: fix out-of-bounds memory accesses") Signed-off-by:
Ben Skeggs <bskeggs@redhat.com> Signed-off-by:
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Ilia Mirkin authored
commit d0e62ef6 upstream. This should fix some unaligned access warnings. This is also likely to fix non-descript issues on nv30/nv34 as a result of incorrect channel setup. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96836Signed-off-by:
Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by:
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Ben Skeggs authored
commit 0e67bed2 upstream. Signed-off-by:
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Alex Deucher authored
commit d3200be6 upstream. Same interface as other UNIPHY blocks Signed-off-by:
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Alex Deucher authored
commit 3edc38a0 upstream. Some of the checks didn't handle frev 2 tables properly. Signed-off-by:
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Lyude authored
commit 14ff8d48 upstream. DRM_CONNECTOR_POLL_CONNECT only enables polling for connections, not disconnections. Because of this, we end up losing hotplug polling for analog connectors once they get connected. Easy way to reproduce: - Grab a machine with a radeon GPU and a VGA port - Plug a monitor into the VGA port, wait for it to update the connector from disconnected to connected - Disconnect the monitor on VGA, a hotplug event is never sent for the removal of the connector. Originally, only using DRM_CONNECTOR_POLL_CONNECT might have been a good idea since doing VGA polling can sometimes result in having to mess with the DAC voltages to figure out whether or not there's actually something there since VGA doesn't have HPD. Doing this would have the potential of showing visible artifacts on the screen every time we ran a poll while a VGA display was connected. Luckily, radeon_vga_detect() only resorts to this sort of polling if the poll is forced, and DRM's polling helper doesn't force it's polls. Additionally, this removes some assignments to connector->polled that weren't actually doing anything. Signed-off-by:
Lyude <cpaul@redhat.com> Signed-off-by:
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Alex Deucher authored
commit d814b24f upstream. ATPX dGPU power control requires a 200ms delay between power off and on. This should fix dGPU failures on resume from power off. Reviewed-by:
Hawking Zhang <Hawking.Zhang@amd.com> Acked-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
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Alex Deucher authored
commit 7f555c8e upstream. Looks like this got missed when we ported the code from radeon. Reviewed-by:
Edward O'Callaghan <funfunctor@folklore1984.net> Signed-off-by:
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