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2021-09-03Merge tag 'kbuild-v5.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Add -s option (strict mode) to merge_config.sh to make it fail when any symbol is redefined. - Show a warning if a different compiler is used for building external modules. - Infer --target from ARCH for CC=clang to let you cross-compile the kernel without CROSS_COMPILE. - Make the integrated assembler default (LLVM_IAS=1) for CC=clang. - Add <linux/stdarg.h> to the kernel source instead of borrowing <stdarg.h> from the compiler. - Add Nick Desaulniers as a Kbuild reviewer. - Drop stale cc-option tests. - Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG to handle symbols in inline assembly. - Show a warning if 'FORCE' is missing for if_changed rules. - Various cleanups * tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits) kbuild: redo fake deps at include/ksym/*.h kbuild: clean up objtool_args slightly modpost: get the *.mod file path more simply checkkconfigsymbols.py: Fix the '--ignore' option kbuild: merge vmlinux_link() between ARCH=um and other architectures kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh kbuild: merge vmlinux_link() between the ordinary link and Clang LTO kbuild: remove stale *.symversions kbuild: remove unused quiet_cmd_update_lto_symversions gen_compile_commands: extract compiler command from a series of commands x86: remove cc-option-yn test for -mtune= arc: replace cc-option-yn uses with cc-option s390: replace cc-option-yn uses with cc-option ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild sparc: move the install rule to arch/sparc/Makefile security: remove unneeded subdir-$(CONFIG_...) kbuild: sh: remove unused install script kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y kbuild: Switch to 'f' variants of integrated assembler flag kbuild: Shuffle blank line to improve comment meaning ...
2021-09-03Merge branch 'stable/for-linus-5.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb updates from Konrad Rzeszutek Wilk: "A new feature called restricted DMA pools. It allows SWIOTLB to utilize per-device (or per-platform) allocated memory pools instead of using the global one. The first big user of this is ARM Confidential Computing where the memory for DMA operations can be set per platform" * 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: (23 commits) swiotlb: use depends on for DMA_RESTRICTED_POOL of: restricted dma: Don't fail device probe on rmem init failure of: Move of_dma_set_restricted_buffer() into device.c powerpc/svm: Don't issue ultracalls if !mem_encrypt_active() s390/pv: fix the forcing of the swiotlb swiotlb: Free tbl memory in swiotlb_exit() swiotlb: Emit diagnostic in swiotlb_exit() swiotlb: Convert io_default_tlb_mem to static allocation of: Return success from of_dma_set_restricted_buffer() when !OF_ADDRESS swiotlb: add overflow checks to swiotlb_bounce swiotlb: fix implicit debugfs declarations of: Add plumbing for restricted DMA pool dt-bindings: of: Add restricted DMA pool swiotlb: Add restricted DMA pool initialization swiotlb: Add restricted DMA alloc/free support swiotlb: Refactor swiotlb_tbl_unmap_single swiotlb: Move alloc_size to swiotlb_find_slots swiotlb: Use is_swiotlb_force_bounce for swiotlb data bouncing swiotlb: Update is_swiotlb_active to add a struct device argument swiotlb: Update is_swiotlb_buffer to add a struct device argument ...
2021-09-02Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma updates from Jason Gunthorpe: "This is quite a small cycle, no major series stands out. The HNS and rxe drivers saw the most activity this cycle, with rxe being broken for a good chunk of time. The significant deleted line count is due to a SPDX cleanup series. Summary: - Various cleanup and small features for rtrs - kmap_local_page() conversions - Driver updates and fixes for: efa, rxe, mlx5, hfi1, qed, hns - Cache the IB subnet prefix - Rework how CRC is calcuated in rxe - Clean reference counting in iwpm's netlink - Pull object allocation and lifecycle for user QPs to the uverbs core code - Several small hns features and continued general code cleanups - Fix the scatterlist confusion of orig_nents/nents introduced in an earlier patch creating the append operation" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (90 commits) RDMA/mlx5: Relax DCS QP creation checks RDMA/hns: Delete unnecessary blank lines. RDMA/hns: Encapsulate the qp db as a function RDMA/hns: Adjust the order in which irq are requested and enabled RDMA/hns: Remove RST2RST error prints for hw v1 RDMA/hns: Remove dqpn filling when modify qp from Init to Init RDMA/hns: Fix QP's resp incomplete assignment RDMA/hns: Fix query destination qpn RDMA/hfi1: Convert to SPDX identifier IB/rdmavt: Convert to SPDX identifier RDMA/hns: Bugfix for incorrect association between dip_idx and dgid RDMA/hns: Bugfix for the missing assignment for dip_idx RDMA/hns: Bugfix for data type of dip_idx RDMA/hns: Fix incorrect lsn field RDMA/irdma: Remove the repeated declaration RDMA/core/sa_query: Retry SA queries RDMA: Use the sg_table directly and remove the opencoded version from umem lib/scatterlist: Fix wrong update of orig_nents lib/scatterlist: Provide a dedicated function to support table append RDMA/hns: Delete unused hns bitmap interface ...
2021-09-02Merge tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfioLinus Torvalds
Pull VFIO updates from Alex Williamson: - Fix dma-valid return WAITED implementation (Anthony Yznaga) - SPDX license cleanups (Cai Huoqing) - Split vfio-pci-core from vfio-pci and enhance PCI driver matching to support future vendor provided vfio-pci variants (Yishai Hadas, Max Gurtovoy, Jason Gunthorpe) - Replace duplicated reflck with core support for managing first open, last close, and device sets (Jason Gunthorpe, Max Gurtovoy, Yishai Hadas) - Fix non-modular mdev support and don't nag about request callback support (Christoph Hellwig) - Add semaphore to protect instruction intercept handler and replace open-coded locks in vfio-ap driver (Tony Krowiak) - Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe) * tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio: (37 commits) vfio/pci: Introduce vfio_pci_core.ko vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on' vfio: Use select for eventfd PCI / VFIO: Add 'override_only' support for VFIO PCI sub system PCI: Add 'override_only' field to struct pci_device_id vfio/pci: Move module parameters to vfio_pci.c vfio/pci: Move igd initialization to vfio_pci.c vfio/pci: Split the pci_driver code out of vfio_pci_core.c vfio/pci: Include vfio header in vfio_pci_core.h vfio/pci: Rename ops functions to fit core namings vfio/pci: Rename vfio_pci_device to vfio_pci_core_device vfio/pci: Rename vfio_pci_private.h to vfio_pci_core.h vfio/pci: Rename vfio_pci.c to vfio_pci_core.c vfio/ap_ops: Convert to use vfio_register_group_dev() s390/vfio-ap: replace open coded locks for VFIO_GROUP_NOTIFY_SET_KVM notification s390/vfio-ap: r/w lock for PQAP interception handler function pointer vfio/type1: Fix vfio_find_dma_valid return vfio-pci/zdev: Remove repeated verbose license text vfio: platform: reset: Convert to SPDX identifier vfio: Remove struct vfio_device_ops open/release ...
2021-09-01Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm updates from Dave Airlie: "Highlights: - i915 has seen a lot of refactoring and uAPI cleanups due to a change in the upstream direction going forward This has all been audited with known userspace, but there may be some pitfalls that were missed. - i915 now uses common TTM to enable discrete memory on DG1/2 GPUs - i915 enables Jasper and Elkhart Lake by default and has preliminary XeHP/DG2 support - amdgpu adds support for Cyan Skillfish - lots of implicit fencing rules documented and fixed up in drivers - msm now uses the core scheduler - the irq midlayer has been removed for non-legacy drivers - the sysfb code now works on more than x86. Otherwise the usual smattering of stuff everywhere, panels, bridges, refactorings. Detailed summary: core: - extract i915 eDP backlight into core - DP aux bus support - drm_device.irq_enabled removed - port drivers to native irq interfaces - export gem shadow plane handling for vgem - print proper driver name in framebuffer registration - driver fixes for implicit fencing rules - ARM fixed rate compression modifier added - updated fb damage handling - rmfb ioctl logging/docs - drop drm_gem_object_put_locked - define DRM_FORMAT_MAX_PLANES - add gem fb vmap/vunmap helpers - add lockdep_assert(once) helpers - mark drm irq midlayer as legacy - use offset adjusted bo mapping conversion vgaarb: - cleanups fbdev: - extend efifb handling to all arches - div by 0 fixes for multiple drivers udmabuf: - add hugepage mapping support dma-buf: - non-dynamic exporter fixups - document implicit fencing rules amdgpu: - Initial Cyan Skillfish support - switch virtual DCE over to vkms based atomic - VCN/JPEG power down fixes - NAVI PCIE link handling fixes - AMD HDMI freesync fixes - Yellow Carp + Beige Goby fixes - Clockgating/S0ix/SMU/EEPROM fixes - embed hw fence in job - rework dma-resv handling - ensure eviction to system ram amdkfd: - uapi: SVM address range query added - sysfs leak fix - GPUVM TLB optimizations - vmfault/migration counters i915: - Enable JSL and EHL by default - preliminary XeHP/DG2 support - remove all CNL support (never shipped) - move to TTM for discrete memory support - allow mixed object mmap handling - GEM uAPI spring cleaning - add I915_MMAP_OBJECT_FIXED - reinstate ADL-P mmap ioctls - drop a bunch of unused by userspace features - disable and remove GPU relocations - revert some i915 misfeatures - major refactoring of GuC for Gen11+ - execbuffer object locking separate step - reject caching/set-domain on discrete - Enable pipe DMC loading on XE-LPD and ADL-P - add PSF GV point support - Refactor and fix DDI buffer translations - Clean up FBC CFB allocation code - Finish INTEL_GEN() and friends macro conversions nouveau: - add eDP backlight support - implicit fence fix msm: - a680/7c3 support - drm/scheduler conversion panfrost: - rework GPU reset virtio: - fix fencing for planes ast: - add detect support bochs: - move to tiny GPU driver vc4: - use hotplug irqs - HDMI codec support vmwgfx: - use internal vmware device headers ingenic: - demidlayering irq rcar-du: - shutdown fixes - convert to bridge connector helpers zynqmp-dsub: - misc fixes mgag200: - convert PLL handling to atomic mediatek: - MT8133 AAL support - gem mmap object support - MT8167 support etnaviv: - NXP Layerscape LS1028A SoC support - GEM mmap cleanups tegra: - new user API exynos: - missing unlock fix - build warning fix - use refcount_t" * tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits) drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box drm/amd/display: Remove duplicate dml init drm/amd/display: Update bounding box states (v2) drm/amd/display: Update number of DCN3 clock states drm/amdgpu: disable GFX CGCG in aldebaran drm/amdgpu: Clear RAS interrupt status on aldebaran drm/amdgpu: Add support for RAS XGMI err query drm/amdkfd: Account for SH/SE count when setting up cu masks. drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain drm/amdgpu: drop redundant cancel_delayed_work_sync call drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend drm/amdkfd: map SVM range with correct access permission drm/amdkfd: check access permisson to restore retry fault drm/amdgpu: Update RAS XGMI Error Query drm/amdgpu: Add driver infrastructure for MCA RAS drm/amd/display: Add Logging for HDMI color depth information drm/amd/amdgpu: consolidate PSP TA init shared buf functions drm/amd/amdgpu: add name field back to ras_common_if drm/amdgpu: Fix build with missing pm_suspend_target_state module export ...
2021-08-30Merge tag 'irq-core-2021-08-30' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq updates from Thomas Gleixner: "Updates to the interrupt core and driver subsystems: Core changes: - The usual set of small fixes and improvements all over the place, but nothing stands out MSI changes: - Further consolidation of the PCI/MSI interrupt chip code - Make MSI sysfs code independent of PCI/MSI and expose the MSI interrupts of platform devices in the same way as PCI exposes them. Driver changes: - Support for ARM GICv3 EPPI partitions - Treewide conversion to generic_handle_domain_irq() for all chained interrupt controllers - Conversion to bitmap_zalloc() throughout the irq chip drivers - The usual set of small fixes and improvements" * tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits) platform-msi: Add ABI to show msi_irqs of platform devices genirq/msi: Move MSI sysfs handling from PCI to MSI core genirq/cpuhotplug: Demote debug printk to KERN_DEBUG irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy irqdomain: Export irq_domain_disconnect_hierarchy() irqchip/gic-v3: Fix priority comparison when non-secure priorities are used irqchip/apple-aic: Fix irq_disable from within irq handlers pinctrl/rockchip: drop the gpio related codes gpio/rockchip: drop irq_gc_lock/irq_gc_unlock for irq set type gpio/rockchip: support next version gpio controller gpio/rockchip: use struct rockchip_gpio_regs for gpio controller gpio/rockchip: add driver for rockchip gpio dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank pinctrl/rockchip: add pinctrl device to gpio bank struct pinctrl/rockchip: separate struct rockchip_pin_bank to a head file pinctrl/rockchip: always enable clock for gpio controller genirq: Fix kernel doc indentation EDAC/altera: Convert to generic_handle_domain_irq() powerpc: Bulk conversion to generic_handle_domain_irq() nios2: Bulk conversion to generic_handle_domain_irq() ...
2021-08-30Merge tag 'amd-drm-next-5.15-2021-08-27' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.15-2021-08-27: amdgpu: - PLL fix for SI - Misc code cleanups - RAS fixes - PSP cleanups - Polaris UVD/VCE suspend fixes - aldebaran fixes - DCN3.x mclk fixes amdkfd: - CWSR fixes for arcturus and aldebaran - SVM fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210827192336.4649-1-alexander.deucher@amd.com
2021-08-30Merge tag 'drm-intel-next-fixes-2021-08-26' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next drm/i915 fixes for v5.15-rc1: - Disable underrun recovery with eDP MSO panels on ADL-P - Use designated initializers for init/exit table - Fix some error pointer usages Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87r1egd1cg.fsf@intel.com
2021-08-29Merge tag 'irqchip-5.15' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core Pull irqchip updates from Marc Zyngier: - API updates: - Treewide conversion to generic_handle_domain_irq() for anything that looks like a chained interrupt controller - Update the irqdomain documentation - Use of bitmap_zalloc() throughout the tree - New functionalities: - Support for GICv3 EPPI partitions - Fixes: - Qualcomm PDC hierarchy fixes - Yet another priority decoding fix for the GICv3 pseudo-NMIs - Fix the apple-aic driver irq_eoi() callback to always unmask the interrupt - Properly handle edge interrupts on loongson-pch-pic - Let the mtk-sysirq driver advertise IRQCHIP_SKIP_SET_WAKE Link: https://lore.kernel.org/r/20210828121013.2647964-1-maz@kernel.org
2021-08-27Merge tag 'imx-drm-fixes-2021-08-18' of git://git.pengutronix.de/pza/linux ↵Dave Airlie
into drm-fixes drm/imx: imx-drm alignment and plane offset fixes Fix an accidental partial revert of commit 94dfec48fca7 ("drm/imx: Add 8 pixel alignment fix") and plane offset calculations for capture of non-aligned resolutions. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Philipp Zabel <p.zabel@pengutronix.de> Link: https://patchwork.freedesktop.org/patch/msgid/85a41af99beb2c9e7d6020435a135bf9f205a5ff.camel@pengutronix.de
2021-08-27Merge tag 'amd-drm-fixes-5.14-2021-08-25' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-5.14-2021-08-25: amdgpu: - Fix for pinning display buffers multiple times - Fix delayed work handling for GFXOFF - Fix build when CONFIG_SUSPEND is not set Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210826032658.4068-1-alexander.deucher@amd.com
2021-08-26drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to ↵Nicholas Kazlauskas
bounding box [Why] This is a global parameter, not a per pipe parameter and it's useful for experimenting with the prefetch schedule to be adjustable from the SOC bb. [How] Add a parameter to the SOC bb, default is the existing policy for all DCN. Fill it in when filling SOC bb parameters. Revert the policy to use MinDCFClk at the same time since that's not going to give us P-State in most cases on the spreadsheet. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403 Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amd/display: Remove duplicate dml initAurabindo Pillai
[Why & How] DML is initialized again unnecessarily after its done conditionally. Remove the duplicate initialization Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403 Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amd/display: Update bounding box states (v2)Jerry (Fangzhi) Zuo
[Why] Drop hardcoded dispclk, dppclk, phyclk [How] Read the corresponding values from clock table entries already populated. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403 Cc: stable@vger.kernel.org Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amd/display: Update number of DCN3 clock statesAurabindo Pillai
[Why & How] The DCN3 SoC parameter num_states was calculated but not saved into the object. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403 Cc: stable@vger.kernel.org Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amdgpu: disable GFX CGCG in aldebaranHawking Zhang
disable GFX CGCG and CGLS to workaround a hardware issue found in aldebaran. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amdgpu: Clear RAS interrupt status on aldebaranJohn Clements
resolve register address issue for detecting/clearing RAS interrupt Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amdgpu: Add support for RAS XGMI err queryJohn Clements
Update XGMI RAS to support error query on aldebaran Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/amdkfd: Account for SH/SE count when setting up cu masks.Sean Keely
On systems with multiple SH per SE compute_static_thread_mgmt_se# is split into independent masks, one for each SH, in the upper and lower 16 bits. We need to detect this and apply cu masking to each SH. The cu mask bits are assigned first to each SE, then to alternate SHs, then finally to higher CU id. This ensures that the maximum number of SPIs are engaged as early as possible while balancing CU assignment to each SH. v2: Use max SH/SE rather than max SH in cu_per_sh. v3: Fix comment blocks, ensure se_mask is initially zero filled, and correctly assign se.sh.cu positions to unset bits in cu_mask. Signed-off-by: Sean Keely <Sean.Keely@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-26drm/i915/dp: Drop redundant debug printSwati Sharma
drm_dp_dpcd_read/write already has debug error message. Drop redundant error messages which gives false status even if correct value is read in drm_dp_dpcd_read(). v2: -Added fixes tag (Ankit) v3: -Fixed build error (CI) Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery") Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: Uma Shankar <uma.shankar@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: <stable@vger.kernel.org> # v5.12+ Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Swati Sharma <swati2.sharma@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210812131107.5531-1-swati2.sharma@intel.com (cherry picked from commit b6dfa416172939edaa46a5a647457b94c6d94119) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2021-08-26drm/i915: Fix syncmap memory leakMatthew Brost
A small race exists between intel_gt_retire_requests_timeout and intel_timeline_exit which could result in the syncmap not getting free'd. Rather than work to hard to seal this race, simply cleanup the syncmap on fini. unreferenced object 0xffff88813bc53b18 (size 96): comm "gem_close_race", pid 5410, jiffies 4294917818 (age 1105.600s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 0a 00 00 00 ................ 00 00 00 00 00 00 00 00 6b 6b 6b 6b 06 00 00 00 ........kkkk.... backtrace: [<00000000120b863a>] __sync_alloc_leaf+0x1e/0x40 [i915] [<00000000042f6959>] __sync_set+0x1bb/0x240 [i915] [<0000000090f0e90f>] i915_request_await_dma_fence+0x1c7/0x400 [i915] [<0000000056a48219>] i915_request_await_object+0x222/0x360 [i915] [<00000000aaac4ee3>] i915_gem_do_execbuffer+0x1bd0/0x2250 [i915] [<000000003c9d830f>] i915_gem_execbuffer2_ioctl+0x405/0xce0 [i915] [<00000000fd7a8e68>] drm_ioctl_kernel+0xb0/0xf0 [drm] [<00000000e721ee87>] drm_ioctl+0x305/0x3c0 [drm] [<000000008b0d8986>] __x64_sys_ioctl+0x71/0xb0 [<0000000076c362a4>] do_syscall_64+0x33/0x80 [<00000000eb7a4831>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Signed-off-by: Matthew Brost <matthew.brost@intel.com> Fixes: 531958f6f357 ("drm/i915/gt: Track timeline activeness in enter/exit") Cc: <stable@vger.kernel.org> Reviewed-by: John Harrison <John.C.Harrison@Intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210730195342.110234-1-matthew.brost@intel.com (cherry picked from commit faf890985e30d5e88cc3a7c50c1bcad32f89ab7c) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2021-08-26Merge tag 'exynos-drm-next-for-v5.15' of ↵Dave Airlie
git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next Two fixups - Fix missing unlock issue in exynos_drm_g2d.c - Fix a build warning in exynos_drm_dma.c One cleanup - Replace atomic_t with refcount_t in exynos_drm_g2d.c Signed-off-by: Dave Airlie <airlied@redhat.com> From: Inki Dae <inki.dae@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210821172825.54720-1-inki.dae@samsung.com
2021-08-26Merge tag 'drm/tegra/for-5.15-rc1' of ↵Dave Airlie
ssh://git.freedesktop.org/git/tegra/linux into drm-next drm/tegra: Changes for v5.15-rc1 The bulk of these changes is a more modern ABI that can be efficiently used on newer SoCs as well as older ones. The userspace parts for this are available here: - libdrm support: https://gitlab.freedesktop.org/tagr/drm/-/commits/drm-tegra-uabi-v8 - VAAPI driver: https://github.com/cyndis/vaapi-tegra-driver In addition, existing userspace from the grate reverse-engineering project has been updated to use this new ABI: - X11 driver: https://github.com/grate-driver/xf86-video-opentegra - 3D driver: https://github.com/grate-driver/grate Other than that, there's also support for display memory bandwidth management for various generations and a bit of cleanup. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thierry Reding <thierry.reding@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210813163616.2822355-1-thierry.reding@gmail.com
2021-08-26Merge commit '81fd23e2b3ccf71c807e671444e8accaba98ca53' of ↵Dave Airlie
https://git.pengutronix.de/git/lst/linux into drm-next things are still slow in etnaviv land. Just one hardware support addition for the GPU found on the NXP Layerscape LS1028A SoC from Michael and the GEM mmap cleanup from Thomas. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas Stach <l.stach@pengutronix.de> Link: https://patchwork.freedesktop.org/patch/msgid/4d16197fa5e4147117fea842f1ed9f0fdadb1d57.camel@pengutronix.de
2021-08-26Merge tag 'amd-drm-next-5.15-2021-08-20' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-5.15-2021-08-20: amdgpu: - embed hw fence into job - Misc SMU fixes - PSP TA code cleanup - RAS fixes - PWM fan speed fixes - DC workqueue cleanups - SR-IOV fixes - gfxoff delayed work fix - Pin domain check fix amdkfd: - SVM fixes radeon: - Code cleanup Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210820172335.4190-1-alexander.deucher@amd.com
2021-08-25drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domainYifan Zhang
amdgpu_bo_get_preferred_pin_domain is used for page tables creation, which is not involved with page pinning. And it is used in more cases than display scanout, modify its documentation as well. Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-25drm/amdgpu: drop redundant cancel_delayed_work_sync callEvan Quan
As those _sw_fini() APIs follow just after _suspend() APIs. And the cancel_delayed_work_sync was already called in latter. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-25drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspendEvan Quan
This is a supplement for commit below: "drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend". Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-25drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspendEvan Quan
Perform proper cleanups on UVD/VCE suspend: powergate enablement, clockgating enablement and dpm disablement. This can fix some hangs observed on suspending when UVD/VCE still using(e.g. issue "pm-suspend" when video is still playing). Signed-off-by: Evan Quan <evan.quan@amd.com> Signed-off-by: xinhui pan <xinhui.pan@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdkfd: map SVM range with correct access permissionPhilip Yang
Restore retry fault or prefetch range, or restore svm range after eviction to map range to GPU with correct read or write access permission. Range may includes multiple VMAs, update GPU page table with offset of prange, number of pages for each VMA according VMA access permission. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdkfd: check access permisson to restore retry faultPhilip Yang
Check range access permission to restore GPU retry fault, if GPU retry fault on address which belongs to VMA, and VMA has no read or write permission requested by GPU, failed to restore the address. The vm fault event will pass back to user space. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdgpu: Update RAS XGMI Error QueryJohn Clements
Resolve bug querying error on unsupported ASIC Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdgpu: Add driver infrastructure for MCA RASJohn Clements
Add MCA specific IP blocks targetting RAS features Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amd/display: Add Logging for HDMI color depth informationPraful Swarnakar
[Why] Recent HDMI2.0 HF1-1 V-Swing testing showed that logging deep color status helps in validation of testcase. [How] Add logging based on various color depths and pixel encoding formats. Signed-off-by: Praful Swarnakar <Praful.Swarnakar@amd.com> Reviewed-by: Hersen Wu <hersenwu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amd/amdgpu: consolidate PSP TA init shared buf functionsCandice Li
Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amd/amdgpu: add name field back to ras_common_ifCandice Li
Adding name field back to ras_common_if to work around error injection failure with amdgpuras tool. Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: John Clements <john.clements@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdgpu: Fix build with missing pm_suspend_target_state module exportBorislav Petkov
Building a randconfig here triggered: ERROR: modpost: "pm_suspend_target_state" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! because the module export of that symbol happens in kernel/power/suspend.c which is enabled with CONFIG_SUSPEND. The ifdef guards in amdgpu_acpi_is_s0ix_supported(), however, test for CONFIG_PM_SLEEP which is defined like this: config PM_SLEEP def_bool y depends on SUSPEND || HIBERNATE_CALLBACKS and that randconfig has: # CONFIG_SUSPEND is not set CONFIG_HIBERNATE_CALLBACKS=y leading to the module export missing. Change the ifdeffery to depend directly on CONFIG_SUSPEND. Fixes: 5706cb3c910c ("drm/amdgpu: fix checking pmops when PM_SLEEP is not enabled") Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/YSP6Lv53QV0cOAsd@zn.tnic Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2021-08-24drm/radeon: switch from 'pci_' to 'dma_' APIChristophe JAILLET
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below. It has been compile tested. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdgpu: switch from 'pci_' to 'dma_' APIChristophe JAILLET
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below. It has been compile tested. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdkfd: CWSR with sw scheduler on Aldebaran and ArcturusMukul Joshi
Program trap handler settings to enable CWSR with software scheduler on Aldebaran and Arcturus. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Amber Lin <Amber.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amdgpu/OLAND: clip the ref divider max valueShashank Sharma
This patch limits the ref_div_max value to 100, during the calculation of PLL feedback reference divider. With current value (128), the produced fb_ref_div value generates unstable output at particular frequencies. Radeon driver limits this value at 100. On Oland, when we try to setup mode 2048x1280@60 (a bit weird, I know), it demands a clock of 221270 Khz. It's been observed that the PLL calculations using values 128 and 100 are vastly different, and look like this: +------------------------------------------+ |Parameter |AMDGPU |Radeon | | | | | +-------------+----------------------------+ |Clock feedback | | |divider max | 128 | 100 | |cap value | | | | | | | | | | | +------------------------------------------+ |ref_div_max | | | | | 42 | 20 | | | | | | | | | +------------------------------------------+ |ref_div | 42 | 20 | | | | | +------------------------------------------+ |fb_div | 10326 | 8195 | +------------------------------------------+ |fb_div | 1024 | 163 | +------------------------------------------+ |fb_dev_p | 4 | 9 | |frac fb_de^_p| | | +----------------------------+-------------+ With ref_div_max value clipped at 100, AMDGPU driver can also drive videmode 2048x1280@60 (221Mhz) and produce proper output without any blanking and distortion on the screen. PS: This value was changed from 128 to 100 in Radeon driver also, here: https://github.com/freedesktop/drm-tip/commit/4b21ce1b4b5d262e7d4656b8ececc891fc3cb806 V1: Got acks from: Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> V2: - Restricting the changes only for OLAND, just to avoid any regression for other cards. - Changed unsigned -> unsigned int to make checkpatch quiet. V3: Apply the change on SI family (not only oland) (Christian) Cc: Alex Deucher <Alexander.Deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Eddy Qin <Eddy.Qin@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Shashank Sharma <shashank.sharma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24drm/amd/display: refactor riommu invalidation waEric Yang
[Why] A cleaner solution, only done once on boot. [How] Remove previous workaround and configure an extra vmid one time on boot Reviewed-by: Kazlauskas Nicholas <Nicholas.Kazlauskas@amd.com> Acked-by: Solomon Chiu <solomon.chiu@amd.com> Signed-off-by: Eric Yang <Eric.Yang2@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-24lib/scatterlist: Provide a dedicated function to support table appendMaor Gottlieb
RDMA is the only in-kernel user that uses __sg_alloc_table_from_pages to append pages dynamically. In the next patch. That mode will be extended and that function will get more parameters. So separate it into a unique function to make such change more clear. Link: https://lore.kernel.org/r/20210824142531.3877007-2-maorg@nvidia.com Signed-off-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-24drm/amdgpu: Fix build with missing pm_suspend_target_state module exportBorislav Petkov
Building a randconfig here triggered: ERROR: modpost: "pm_suspend_target_state" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! because the module export of that symbol happens in kernel/power/suspend.c which is enabled with CONFIG_SUSPEND. The ifdef guards in amdgpu_acpi_is_s0ix_supported(), however, test for CONFIG_PM_SLEEP which is defined like this: config PM_SLEEP def_bool y depends on SUSPEND || HIBERNATE_CALLBACKS and that randconfig has: # CONFIG_SUSPEND is not set CONFIG_HIBERNATE_CALLBACKS=y leading to the module export missing. Change the ifdeffery to depend directly on CONFIG_SUSPEND. Fixes: 5706cb3c910c ("drm/amdgpu: fix checking pmops when PM_SLEEP is not enabled") Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/YSP6Lv53QV0cOAsd@zn.tnic Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2021-08-24drm/i915/selftest: Fix use of err in igt_reset_{fail, nop}_engine()Nathan Chancellor
Clang warns: In file included from drivers/gpu/drm/i915/gt/intel_reset.c:1514: drivers/gpu/drm/i915/gt/selftest_hangcheck.c:465:62: warning: variable 'err' is uninitialized when used here [-Wuninitialized] pr_err("[%s] Create context failed: %d!\n", engine->name, err); ^~~ ... drivers/gpu/drm/i915/gt/selftest_hangcheck.c:580:62: warning: variable 'err' is uninitialized when used here [-Wuninitialized] pr_err("[%s] Create context failed: %d!\n", engine->name, err); ^~~ ... 2 warnings generated. This appears to be a copy and paste issue. Use ce directly using the %pe specifier to pretty print the error code so that err is not used uninitialized in these functions. Fixes: 3a7b72665ea5 ("drm/i915/selftest: Bump selftest timeouts for hangcheck") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210813171158.2665823-1-nathan@kernel.org (cherry picked from commit ac5a2dff428ab59b5c5bbb4b28311141aa461c07) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-08-24drm/i915/gt: Potential error pointer dereference in pinned_context()Dan Carpenter
If the intel_engine_create_pinned_context() function returns an error pointer, then dereferencing "ce" will Oops. Use "vm" instead of "ce->vm". Fixes: cf586021642d ("drm/i915/gt: Pipelined page migration") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210813113600.GC30697@kili (cherry picked from commit ff12ce2c9cb1cd09017151424db66de803984abc) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-08-24drm/i915/adl_p: Also disable underrun recovery with MSOMatt Roper
One of the cases that the bspec lists for when underrun recovery must be disabled is "COG;" that note actually refers to eDP multi-segmented operation (MSO). Let's ensure the this additional restriction is honored by the driver. Bspec: 50351 Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Fixes: ba3b049f4774 ("drm/i915/adl_p: Allow underrun recovery when possible") Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210816204112.2960624-1-matthew.d.roper@intel.com Reviewed-by: José Roberto de Souza <jose.souza@intel.com> (cherry picked from commit c00e14cd4d3fbc5469d6e367371f9e4786a08c03) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-08-24drm/i915: Use designated initializers for init/exit tableKees Cook
The kernel builds with -Werror=designated-init, and __designated_init is used by CONFIG_GCC_PLUGIN_RANDSTRUCT for automatically selected (all function pointer) structures. Include the field names in the init/exit table. Avoids warnings like: drivers/gpu/drm/i915/i915_module.c:59:4: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init] Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: David Airlie <airlied@linux.ie> Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Fixes: a04ea6ae7c67 ("drm/i915: Use a table for i915_init/exit (v2)") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210817233357.2379455-1-keescook@chromium.org (cherry picked from commit 90fd2194a0cc52eb7a61dfa6412a0e498c58c688) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-08-22drm/exynos: Always initialize mapping in exynos_drm_register_dma()Nathan Chancellor
In certain randconfigs, clang warns: drivers/gpu/drm/exynos/exynos_drm_dma.c:121:19: warning: variable 'mapping' is uninitialized when used here [-Wuninitialized] priv->mapping = mapping; ^~~~~~~ drivers/gpu/drm/exynos/exynos_drm_dma.c:111:16: note: initialize the variable 'mapping' to silence this warning void *mapping; ^ = NULL 1 warning generated. This occurs when CONFIG_EXYNOS_IOMMU is enabled and both CONFIG_ARM_DMA_USE_IOMMU and CONFIG_IOMMU_DMA are disabled, which makes the code look like void *mapping; if (0) mapping = arm_iommu_create_mapping() else if (0) mapping = iommu_get_domain_for_dev() ... priv->mapping = mapping; Add an else branch that initializes mapping to the -ENODEV error pointer so that there is no more warning and the driver does not change during runtime. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-08-22drm/exynos: Convert from atomic_t to refcount_t on g2d_cmdlist_userptr->refcountXiyu Yang
refcount_t type and corresponding API can protect refcounters from accidental underflow and overflow and further use-after-free situations. Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn> Signed-off-by: Xin Tan <tanxin.ctf@gmail.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
generated by cgit (git 2.34.1) at 2025-04-06 07:10:19 +0000