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2015-07-10tools/testing/nvdimm: add mock acpi_nfit_flush_address entries to nfit_testDan Williams
In preparation for fixing the BLK path to properly use "directed pcommit" enable the unit test infrastructure to emit mock "flush" tables. Writes to these flush addresses trigger a memory controller to flush its internal buffers to persistent media, similar to the x86 "pcommit" instruction. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-07-10tools/testing/nvdimm: fix return code for unimplemented commandsDan Williams
The implementation for the new "DIMM Flags" DSM relies on the -ENOTTY return code to indicate that the flags are unimplimented and to fall back to a safe default. As is the -ENXIO error code erroneoously indicates to fail enabling a BLK region. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-07-10tools/testing/nvdimm: mock ioremap_wtDan Williams
In the 4.2-rc1 merge the default_memremap_pmem() implementation switched from ioremap_nocache() to ioremap_wt(). Add it to the list of mocked routines to restore the ability to run the unit tests. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-07-10pmem: add maintainer for include/linux/pmem.hRoss Zwisler
The file include/linux/pmem.h was recently created to hold the PMEM API, and is logically part of the PMEM driver. Add an entry for this file to MAINTAINERS. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-07-10Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors"Dmitry Torokhov
This reverts commit 63c4fda3c0bb841b1aad1298fc7fe94058fc79f8 as it causes issues with detecting 3-finger taps. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100481 Cc: stable@vger.kernel.org Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2015-07-10arm64: entry32: remove pointless register assignmentMark Rutland
We currently set x27 in compat_sys_sigreturn_wrapper and compat_sys_rt_sigreturn_wrapper, similarly to what we do with r8/why on 32-bit ARM, in an attempt to prevent sigreturns from being restarted. However, on arm64 we have always used pt_regs::syscallno for syscall restarting (for both native and compat tasks), and x27 is never inspected again before being overwritten in kernel_exit. This patch removes the pointless register assignments. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-07-10MIPS: O32: Use compat_sys_getsockopt.Ralf Baechle
We were using the native syscall and that results in subtle breakage. This is the same issue as fixed in 077d0e65618f27b2199d622e12ada6d8f3dbd862 (MIPS: N32: Use compat getsockopt syscall) but that commit did fix it only for N32. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=100291
2015-07-10MIPS: c-r4k: Extend way_string arrayPaul Burton
The L2 cache in the I6400 core has 16 ways, so extend the way_string array to take such caches into account. [ralf@linux-mips.org: Other already supported CPUs are free to support more than 8 ways of cache as well.] Signed-off-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10640/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-10MIPS: Pistachio: Support CDMM & Fast Debug ChannelJames Hogan
Implement the mips_cdmm_phys_base() platform callback to provide a default Common Device Memory Map (CDMM) physical base address for the Pistachio SoC. This allows the CDMM in each VPE to be configured and probed for devices, such as the Fast Debug Channel (FDC). The physical address chosen is just below the default CPC address, which appears to also be unallocated. The FDC IRQ is also usable on Pistachio, and is routed through the GIC, so implement the get_c0_fdc_int() platform callback using gic_get_c0_fdc_int(), so the FDC driver doesn't have to fall back to polling. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <james.hartley@imgtec.com> Cc: linux-mips@linux-mips.org Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Patchwork: http://patchwork.linux-mips.org/patch/9749/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-10MIPS: Malta: Make GIC FDC IRQ workaround Malta specificJames Hogan
Wider testing reveals that the Fast Debug Channel (FDC) interrupt is routed through the GIC just fine on Pistachio SoC, even though it contains interAptiv cores. Clearly the FDC interrupt routing problems previously observed on interAptiv and proAptiv cores are specific to the Malta FPGA bitstreams. Move the workaround for interAptiv and proAptiv out of gic_get_c0_fdc_int() in the GIC irqchip driver into Malta's get_c0_fdc_int() platform callback, to allow the Pistachio SoC to use the FDC interrupt. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: linux-mips@linux-mips.org Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <james.hartley@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/9748/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-10MIPS: c-r4k: Fix cache flushing for MT coresMarkos Chandras
MT_SMP is not the only SMP option for MT cores. The MT_SMP option allows more than one VPE per core to appear as a secondary CPU in the system. Because of how CM works, it propagates the address-based cache ops to the secondary cores but not the index-based ones. Because of that, the code does not use IPIs to flush the L1 caches on secondary cores because the CM would have done that already. However, the CM functionality is independent of the type of SMP kernel so even in non-MT kernels, IPIs are not necessary. As a result of which, we change the conditional to depend on the CM presence. Moreover, since VPEs on the same core share the same L1 caches, there is no need to send an IPI on all of them so we calculate a suitable cpumask with only one VPE per core. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: <stable@vger.kernel.org> # 3.15+ Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10654/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-10Merge tag 'omapdrm-4.2-fixes' of ↵Dave Airlie
git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes omapdrm fixes for 4.2 Small fixes for omapdrm, including: * Fix packed 24 bit color formats * Ensure the planes are inside the crtc * Handle out-of-dma-memory error * tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN drm/omap: fix align_pitch() for 24 bits per pixel drm/omap: fix omap_gem_put_paddr() error handling drm/omap: fix omap_framebuffer_unpin() error handling drm/omap: increase DMM transaction timeout drm/omap: check that plane is inside crtc drm/omap: return error if dma_alloc_writecombine fails
2015-07-10Merge tag 'drm-intel-fixes-2015-07-09' of ↵Dave Airlie
git://anongit.freedesktop.org/drm-intel into drm-fixes Pile of fixes for either 4.2 issues or cc: stable. This should fix the 2nd kind of WARNING Linus's been seeing, please ask him to scream if that's not the case. * tag 'drm-intel-fixes-2015-07-09' of git://anongit.freedesktop.org/drm-intel: Revert "drm/i915: Allocate context objects from stolen" drm/i915: Declare the swizzling unknown for L-shaped configurations drm/i915: Use crtc_state->active in primary check_plane func drm/i915: Check crtc->active in intel_crtc_disable_planes drm/i915: Restore all GGTT VMAs on resume drm/i915/chv: fix HW readout of the port PLL fractional divider
2015-07-10Merge tag 'drm-amdkfd-fixes-2015-07-09' of ↵Dave Airlie
git://people.freedesktop.org/~gabbayo/linux into drm-fixes A single fix so far for 4.2: - checking a pointer is not null before using it * tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux: drm/amdkfd: validate pdd where it acquired first
2015-07-10Merge branch 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-fixes radeon and amdgpu fixes for 4.2. All over the place: - fix cursor corruption on resume and re-enable no VT switch on suspend - vblank fixes - fix gpuvm error messages - misc other fixes * 'drm-fixes-4.2' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: disable vce init on cayman (v2) drm/amdgpu: fix timeout calculation drm/radeon: check if BO_VA is set before adding it to the invalidation list drm/radeon: allways add the VM clear duplicate Revert "Revert "drm/radeon: dont switch vt on suspend"" drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor() drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2) drm/radeon: Clean up reference counting and pinning of the cursor BOs drm/radeon: fix underflow in r600_cp_dispatch_texture() drm/radeon: default to 2048 MB GART size on SI+ drm/radeon: fix HDP flushing drm/radeon: use RCU query for GEM_BUSY syscall drm/amdgpu: Handle irqs only based on irq ring, not irq status regs. drm/radeon: Handle irqs only based on irq ring, not irq status regs.
2015-07-10cxl: Check if afu is not null in cxl_slbiaDaniel Axtens
The pointer to an AFU in the adapter's list of AFUs can be null if we're in the process of removing AFUs. The afu_list_lock doesn't guard against this. Say we have 2 slices, and we're in the process of removing cxl. - We remove the AFUs in order (see cxl_remove). In cxl_remove_afu for AFU 0, we take the lock, set adapter->afu[0] = NULL, and release the lock. - Then we get an slbia. In cxl_slbia we take the lock, and set afu = adapter->afu[0], which is NULL. - Therefore our attempt to check afu->enabled will blow up. Therefore, check if afu is a null pointer before dereferencing it. Cc: stable@vger.kernel.org Signed-off-by: Daniel Axtens <dja@axtens.net> Acked-by: Michael Neuling <mikey@neuling.org> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-07-09Merge tag 'omap-for-v4.2/fixes-rc1' of ↵Kevin Hilman
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "omap fixes against v4.2-rc1" from Tony Lindgren: Minor fixes for omaps against v4.2-rc1. Mostly just minor dts changes except for a GPMC fix to not use names for probing devices. Also a one liner clean-up to remove unecessary return from a void function. The summary for the changes being: - Fix probe for GPMC devices by reoving limitations based on device name - Remove unnecessary return from a void function - Revert beaglebone RTC sleep fix, we now have a better fix merged - Add am4372 EMIF node to fix a warning - Add am57xx-beagle-x15 power supply to fix USB2 if USB1 is disabled - Disable rfbi for am4372 as it does not have a driver * tag 'omap-for-v4.2/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: am4372.dtsi: disable rfbi ARM: dts: am57xx-beagle-x15: Provide supply for usb2_phy2 ARM: dts: am4372: Add emif node Revert "ARM: dts: am335x-boneblack: disable RTC-only sleep" ARM: OMAP2+: Remove unnessary return statement from the void function, omap2_show_dma_caps memory: omap-gpmc: Fix parsing of devices
2015-07-09Merge tag 'sunxi-late-for-4.2' of ↵Kevin Hilman
https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes Merge "Allwinner late changes for 4.2" from Maxime Ripard: Allwinner late changes for 4.2 A bunch of defconfig changes, and some patches to make the Allwinner H3 and A33 boot properly. * tag 'sunxi-late-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: ARM: sunxi: Enable simplefb in the defconfig ARM: Remove deprecated symbol from defconfig files ARM: sunxi: Add Machine support for A33 ARM: sunxi: Introduce Allwinner H3 support Documentation: sunxi: Update Allwinner SoC documentation
2015-07-09Merge branch 'hpfs-patches' (patches from Mikulas Patocka)Linus Torvalds
Merge hpfs updates from Mikulas Patocka. Mainly fstrim support, with some minor other cleanups. These were actually sent during the merge window, but I wanted to wait for the FSTRIM compat handling cleanup before applying them. Mikulas sent that earlier today. * emailed patches from Mikulas Patocka <mikulas@twibright.com>: hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead hpfs: kstrdup() out of memory handling hpfs: Remove unessary cast hpfs: add fstrim support
2015-07-09hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV insteadJoe Perches
Removing unnecessary static buffers is good. Use the vsprintf %pV extension instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Cc: stable@vger.kernel.org # v2.6.36+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09hpfs: kstrdup() out of memory handlingSanidhya Kashyap
There is a possibility of nothing being allocated to the new_opts in case of memory pressure, therefore return ENOMEM for such case. Signed-off-by: Sanidhya Kashyap <sanidhya.gatech@gmail.com> Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09hpfs: Remove unessary castFiro Yang
Avoid a pointless kmem_cache_alloc() return value cast in fs/hpfs/super.c::hpfs_alloc_inode() Signed-off-by: Firo Yang <firogm@gmail.com> Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09hpfs: add fstrim supportMikulas Patocka
This patch adds support for fstrim to the HPFS filesystem. Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09i2c: Mark instantiated device nodes with OF_POPULATEPantelis Antoniou
Mark (and unmark) device nodes with the POPULATE flag as appropriate. This is required to avoid multi probing when using I2C and device overlays containing a mux. This patch is also more careful with the release of the adapter device which caused a deadlock with muxes, and does not break the build on !OF since the node flag accessors are not defined then. Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-07-09i2c: jz4780: Fix return value if probe failsAxel Lin
Current code returns 0 if fails to read clock-frequency DT property, fix it. Also add checking return value of clk_prepare_enable and propagate return value of devm_request_irq. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-07-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph fixes from Sage Weil: "There is a fix for CephFS and RBD when used within containers/namespaces, and a fix for the address learning the client is supposed to do when initially talking to the Ceph cluster. There are also two patches updating MAINTAINERS. One breaks out the common Ceph code shared by fs/ceph and drivers/block/rbd.c into a separate entry with the appropriate maintainers listed. The second adds a second reference to the github tree where the Ceph client development takes place (before it is pushed to korg and then to you). The goal here is to move closer to a situation where Ilya Dryomov or one of the other maintainers can push things to you if I am unavailable. Ilya has done most of the work preparing branches for upstream recently; you should not be surprised to hear from him if I am trapped in some internet-less wasteland or hit by a bus or something. In the meantime, we'll work on getting him added to the kernel web of trust" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: MAINTAINERS: add secondary tree for ceph modules MAINTAINERS: update ceph entries libceph: treat sockaddr_storage with uninitialized family as blank libceph: enable ceph in a non-default network namespace
2015-07-09i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error pathAxel Lin
Free requested mailbox channel before return error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-07-09i2c: I2C_MT65XX should depend on HAS_DMAGeert Uytterhoeven
If NO_DMA=y: ERROR: "dma_unmap_single" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! ERROR: "dma_mapping_error" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! ERROR: "dma_map_single" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! Add a dependency on HAS_DMA to fix this. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2015-07-09ioctl_compat: handle FITRIMMikulas Patocka
The FITRIM ioctl has the same arguments on 32-bit and 64-bit architectures, so we can add it to the list of compatible ioctls and drop it from compat_ioctl method of various filesystems. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Ted Ts'o <tytso@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09selinux: don't waste ebitmap space when importing NetLabel categoriesPaul Moore
At present we don't create efficient ebitmaps when importing NetLabel category bitmaps. This can present a problem when comparing ebitmaps since ebitmap_cmp() is very strict about these things and considers these wasteful ebitmaps not equal when compared to their more efficient counterparts, even if their values are the same. This isn't likely to cause problems on 64-bit systems due to a bit of luck on how NetLabel/CIPSO works and the default ebitmap size, but it can be a problem on 32-bit systems. This patch fixes this problem by being a bit more intelligent when importing NetLabel category bitmaps by skipping over empty sections which should result in a nice, efficient ebitmap. Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Paul Moore <pmoore@redhat.com>
2015-07-09Fix firmware loader uevent buffer NULL pointer dereferenceLinus Torvalds
The firmware class uevent function accessed the "fw_priv->buf" buffer without the proper locking and testing for NULL. This is an old bug (looks like it goes back to 2012 and commit 1244691c73b2: "firmware loader: introduce firmware_buf"), but for some reason it's triggering only now in 4.2-rc1. Shuah Khan is trying to bisect what it is that causes this to trigger more easily, but in the meantime let's just fix the bug since others are hitting it too (at least Ingo reports having seen it as well). Reported-and-tested-by: Shuah Khan <shuahkh@osg.samsung.com> Acked-by: Ming Lei <ming.lei@canonical.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09mm: avoid setting up anonymous pages into file mappingKirill A. Shutemov
Reading page fault handler code I've noticed that under right circumstances kernel would map anonymous pages into file mappings: if the VMA doesn't have vm_ops->fault() and the VMA wasn't fully populated on ->mmap(), kernel would handle page fault to not populated pte with do_anonymous_page(). Let's change page fault handler to use do_anonymous_page() only on anonymous VMA (->vm_ops == NULL) and make sure that the VMA is not shared. For file mappings without vm_ops->fault() or shred VMA without vm_ops, page fault on pte_none() entry would lead to SIGBUS. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Oleg Nesterov <oleg@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Willy Tarreau <w@1wt.eu> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-09MAINTAINERS: add secondary tree for ceph modulesSage Weil
The Ceph kernel code is primarily developed in the github tree, and only pushed to the korg tree before going to Linus. If Sage is unavailable and another maintainer needs to push something upstream, pull requests may originate from the github tree instead of Sage's korg tree. Signed-off-by: Sage Weil <sage@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2015-07-09MAINTAINERS: update ceph entriesSage Weil
- The Ceph common code is used by both fs/ceph and drivers/block/rbd. Add a separate maintainers entry. - Add Ilya as libceph maintainer and cephfs submaintainer. - Attribute Documentation/ABI/testing/sysfs-bus-rbd to rbd. - ceph-devel@vger.kernel.org should be L, not M in rbd entry. Signed-off-by: Sage Weil <sage@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2015-07-09libceph: treat sockaddr_storage with uninitialized family as blankIlya Dryomov
addr_is_blank() should return true if family is neither AF_INET nor AF_INET6. This is what its counterpart entity_addr_t::is_blank_ip() is doing and it is the right thing to do: in process_banner() we check if our address is blank and if it is "learn" it from our peer. As it is, we never learn our address and always send out a blank one. This goes way back to ceph.git commit dd732cbfc1c9 ("use sockaddr_storage; and some ipv6 support groundwork") from 2009. While at at, do not open-code ipv6_addr_any() and use INADDR_ANY constant instead of 0. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com>
2015-07-09libceph: enable ceph in a non-default network namespaceIlya Dryomov
Grab a reference on a network namespace of the 'rbd map' (in case of rbd) or 'mount' (in case of ceph) process and use that to open sockets instead of always using init_net and bailing if network namespace is anything but init_net. Be careful to not share struct ceph_client instances between different namespaces and don't add any code in the !CONFIG_NET_NS case. This is based on a patch from Hong Zhiguo <zhiguohong@tencent.com>. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com>
2015-07-09drm/radeon: disable vce init on cayman (v2)Alex Deucher
Cayman does not have vce. There were a few places in the shared cayman/TV code where we were trying to do vce stuff. v2: remove -ENOENT check Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/amdgpu: fix timeout calculationChristian König
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/radeon: check if BO_VA is set before adding it to the invalidation listChristian König
Otherwise we try to clear BO_VAs without an address. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=91141 Signed-off-by: Christian König <christian.koenig@amd.com> Test-by: hadack@gmx.de Tested-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/radeon: allways add the VM clear duplicateChristian König
We need to allways add the VM clear duplicate of the BO_VA, no matter what the old status was. Signed-off-by: Christian König <christian.koenig@amd.com> Test-by: hadack@gmx.de Tested-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09Revert "Revert "drm/radeon: dont switch vt on suspend""Alex Deucher
This reverts commit ac9134906b3f5c2b45dc80dab0fee792bd516d52. We've fixed the underlying problem with cursors, so re-enable this.
2015-07-09drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor()Michel Dänzer
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2)Grigori Goronzy
Everything is evicted from VRAM before suspend, so we need to make sure all BOs are unpinned and re-pinned after resume. Fixes broken mouse cursor after resume introduced by commit b9729b17. [Michel Dänzer: Add pinning BOs on resume] v2: [Alex Deucher: merge cursor unpin into fb unpin loop] Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100541 Cc: stable@vger.kernel.org Reviewed-by: Christian König <christian.koenig@amd.com> (v1) Signed-off-by: Grigori Goronzy <greg@chown.ath.cx> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/radeon: Clean up reference counting and pinning of the cursor BOsMichel Dänzer
Take a GEM reference for and pin the new cursor BO, unpin and drop the GEM reference for the old cursor BO in radeon_crtc_cursor_set2, and use radeon_crtc->cursor_addr in radeon_set_cursor. This fixes radeon_cursor_reset accidentally incrementing the cursor BO pin count, and cleans up the code a little. Cc: stable@vger.kernel.org Reviewed-by: Grigori Goronzy <greg@chown.ath.cx> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-09drm/amdkfd: validate pdd where it acquired firstManinder Singh
Currently pdd is validate after dereferencing it, which is not correct, Thus validate pdd before its first use. Signed-off-by: Maninder Singh <maninder1.s@samsung.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-09Revert "MIPS: Kconfig: Disable SMP/CPS for 64-bit"Markos Chandras
This reverts commit 6ca716f2e5571d25a3899c6c5c91ff72ea6d6f5e. SMP/CPS is now supported on 64bit cores. Cc: <stable@vger.kernel.org> # 4.1 Reviewed-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10592/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-09MIPS: cps-vec: Use macros for various arithmetics and memory operationsMarkos Chandras
Replace lw/sw and various arithmetic instructions with macros so the code can work on 64-bit kernels as well. Cc: <stable@vger.kernel.org> # 3.16+ Reviewed-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10591/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-09MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0Markos Chandras
In preparation for 64-bit CPS support, we replace KSEG0 with CKSEG0 so 64-bit kernels can be supported. Cc: <stable@vger.kernel.org> # 3.16+ Reviewed-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10590/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-09MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bitMarkos Chandras
The cps-vec code assumes O32 ABI and uses t4-t7 in quite a few places. This breaks the build on 64-bit. As a result of which, use the pseudo-registers ta0-ta3 to make the code compatible with 64-bit. Cc: <stable@vger.kernel.org> # 3.16+ Reviewed-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10589/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-07-09MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2Markos Chandras
mips32r2 is a subset of mips64r2, so we replace mips32r2 with mips64r2 in preparation for 64-bit CPS support. Cc: <stable@vger.kernel.org> # 3.16+ Reviewed-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10588/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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