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2022-01-10drm/i915/ttm: only fault WILLNEED objectsMatthew Auld1-0/+5
Don't attempt to fault and re-populate purged objects. By some fluke this passes the dontneed-after-mmap IGT, but for the wrong reasons. Fixes: cf3e3e86d779 ("drm/i915: Use ttm mmap handling for ttm bo's.") Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220106174910.280616-2-matthew.auld@intel.com (cherry picked from commit f3cb4a2de5410147b53e53416a3af0ffe26b5f4e) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2022-01-10drm/i915: don't call free_mmap_offset when purgingMatthew Auld1-1/+0
The TTM backend is in theory the only user here(also purge should only be called once we have dropped the pages), where it is setup at object creation and is only removed once the object is destroyed. Also resetting the node here might be iffy since the ttm fault handler uses the stored fake offset to determine the page offset within the pages array. This also blows up in the dontneed-before-mmap test, since the expectation is that the vma_node will live on, until the object is destroyed: <2> [749.062902] kernel BUG at drivers/gpu/drm/i915/gem/i915_gem_ttm.c:943! <4> [749.062923] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI <4> [749.062928] CPU: 0 PID: 1643 Comm: gem_madvise Tainted: G U W 5.16.0-rc8-CI-CI_DRM_11046+ #1 <4> [749.062933] Hardware name: Gigabyte Technology Co., Ltd. GB-Z390 Garuda/GB-Z390 Garuda-CF, BIOS IG1c 11/19/2019 <4> [749.062937] RIP: 0010:i915_ttm_mmap_offset.cold.35+0x5b/0x5d [i915] <4> [749.063044] Code: 00 48 c7 c2 a0 23 4e a0 48 c7 c7 26 df 4a a0 e8 95 1d d0 e0 bf 01 00 00 00 e8 8b ec cf e0 31 f6 bf 09 00 00 00 e8 5f 30 c0 e0 <0f> 0b 48 c7 c1 24 4b 56 a0 ba 5b 03 00 00 48 c7 c6 c0 23 4e a0 48 <4> [749.063052] RSP: 0018:ffffc90002ab7d38 EFLAGS: 00010246 <4> [749.063056] RAX: 0000000000000240 RBX: ffff88811f2e61c0 RCX: 0000000000000006 <4> [749.063060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 <4> [749.063063] RBP: ffffc90002ab7e58 R08: 0000000000000001 R09: 0000000000000001 <4> [749.063067] R10: 000000000123d0f8 R11: ffffc90002ab7b20 R12: ffff888112a1a000 <4> [749.063071] R13: 0000000000000004 R14: ffff88811f2e61c0 R15: ffff888112a1a000 <4> [749.063074] FS: 00007f6e5fcad500(0000) GS:ffff8884ad600000(0000) knlGS:0000000000000000 <4> [749.063078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4> [749.063081] CR2: 00007efd264e39f0 CR3: 0000000115fd6005 CR4: 00000000003706f0 <4> [749.063085] Call Trace: <4> [749.063087] <TASK> <4> [749.063089] __assign_mmap_offset+0x41/0x300 [i915] <4> [749.063171] __assign_mmap_offset_handle+0x159/0x270 [i915] <4> [749.063248] ? i915_gem_dumb_mmap_offset+0x70/0x70 [i915] <4> [749.063325] drm_ioctl_kernel+0xae/0x140 <4> [749.063330] drm_ioctl+0x201/0x3d0 <4> [749.063333] ? i915_gem_dumb_mmap_offset+0x70/0x70 [i915] <4> [749.063409] ? do_user_addr_fault+0x200/0x670 <4> [749.063415] __x64_sys_ioctl+0x6d/0xa0 <4> [749.063419] do_syscall_64+0x3a/0xb0 <4> [749.063423] entry_SYSCALL_64_after_hwframe+0x44/0xae <4> [749.063428] RIP: 0033:0x7f6e5f100317 Testcase: igt/gem_madvise/dontneed-before-mmap Fixes: cf3e3e86d779 ("drm/i915: Use ttm mmap handling for ttm bo's.") Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220106174910.280616-1-matthew.auld@intel.com (cherry picked from commit 658a0c632625e1db51837ff754fe18a6a7f2ccf8) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2022-01-10drm/i915/pxp: Hold RPM wakelock during PXP unbindJuston Li1-1/+4
Similar to commit b8d8436840ca ("drm/i915/gt: Hold RPM wakelock during PXP suspend") but to fix the same warning for unbind during shutdown: ------------[ cut here ]------------ RPM wakelock ref not held during HW access WARNING: CPU: 0 PID: 4139 at drivers/gpu/drm/i915/intel_runtime_pm.h:115 gen12_fwtable_write32+0x1b7/0 Modules linked in: 8021q ccm rfcomm cmac algif_hash algif_skcipher af_alg uinput snd_hda_codec_hdmi vf industrialio iwl7000_mac80211 cros_ec_sensorhub lzo_rle lzo_compress zram iwlwifi cfg80211 joydev CPU: 0 PID: 4139 Comm: halt Tainted: G U W 5.10.84 #13 344e11e079c4a03940d949e537eab645f6 RIP: 0010:gen12_fwtable_write32+0x1b7/0x200 Code: 48 c7 c7 fc b3 b5 89 31 c0 e8 2c f3 ad ff 0f 0b e9 04 ff ff ff c6 05 71 e9 1d 01 01 48 c7 c7 d67 RSP: 0018:ffffa09ec0bb3bb0 EFLAGS: 00010246 RAX: 12dde97bbd260300 RBX: 00000000000320f0 RCX: ffffffff89e60ea0 RDX: 0000000000000000 RSI: 00000000ffffdfff RDI: ffffffff89e60e70 RBP: ffffa09ec0bb3bd8 R08: 0000000000000000 R09: ffffa09ec0bb3950 R10: 00000000ffffdfff R11: ffffffff89e91160 R12: 0000000000000000 R13: 0000000028121969 R14: ffff9515c32f0990 R15: 0000000040000000 FS: 0000790dcf225740(0000) GS:ffff951737800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000058b25efae147 CR3: 0000000133ea6001 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: intel_pxp_fini_hw+0x2f/0x39 i915_pxp_tee_component_unbind+0x1c/0x42 component_unbind+0x32/0x48 component_unbind_all+0x80/0x9d take_down_master+0x24/0x36 component_master_del+0x56/0x70 mei_pxp_remove+0x2c/0x68 mei_cl_device_remove+0x35/0x68 device_release_driver_internal+0x100/0x1a1 mei_cl_bus_remove_device+0x21/0x79 mei_cl_bus_remove_devices+0x3b/0x51 mei_stop+0x3b/0xae mei_me_shutdown+0x23/0x58 device_shutdown+0x144/0x1d3 kernel_power_off+0x13/0x4c __se_sys_reboot+0x1d4/0x1e9 do_syscall_64+0x43/0x55 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x790dcf316273 Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 89 fa be 69 19 12 28 bf ad8 RSP: 002b:00007ffca0df9198 EFLAGS: 00000202 ORIG_RAX: 00000000000000a9 RAX: ffffffffffffffda RBX: 000000004321fedc RCX: 0000790dcf316273 RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead RBP: 00007ffca0df9200 R08: 0000000000000007 R09: 0000563ce8cd8970 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffca0df9308 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000003 ---[ end trace 2f501b01b348f114 ]--- ACPI: Preparing to enter system sleep state S5 reboot: Power down Changes since v1: - Rebase to latest drm-tip Fixes: 0cfab4cb3c4e ("drm/i915/pxp: Enable PXP power management") Suggested-by: Lee Shawn C <shawn.c.lee@intel.com> Signed-off-by: Juston Li <juston.li@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220106200236.489656-2-juston.li@intel.com (cherry picked from commit 57ded5fc98b11d76dae505ca3591b61c9dbbbda7) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2021-12-27drm/i915/fbc: Remember to update FBC state even when not reallocating CFBVille Syrjälä1-1/+3
We mustn't forget to update our FBC state even if we don't have to reallocate the CFB. Otherwise we won't refresh our notion of what eg. the new fence or the new override CFB stride should be. Using the wrong CFB stride in particular can cause underruns and could even corrupt other stuff in stolen. Fixes: f4cfdbb02ca8 ("drm/i915/fbc: Nuke state_cache") Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/4774 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216110822.8461-1-ville.syrjala@linux.intel.com Reviewed-by: Mika Kahola <mika.kahola@intel.com> (cherry picked from commit 798c5daf3cddff3f39c5542a50a2dbd83879b05d) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-12-23drm/etnaviv: consider completed fence seqno in hang checkLucas Stach2-1/+4
Some GPU heavy test programs manage to trigger the hangcheck quite often. If there are no other GPU users in the system and the test program exhibits a very regular structure in the commandstreams that are being submitted, we can end up with two distinct submits managing to trigger the hangcheck with the FE in a very similar address range. This leads the hangcheck to believe that the GPU is stuck, while in reality the GPU is already busy working on a different job. To avoid those spurious GPU resets, also remember and consider the last completed fence seqno in the hang check. Reported-by: Joerg Albert <joerg.albert@iav.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2021-12-23drm/i915: Use trylock instead of blocking lock for __i915_gem_free_objects.Maarten Lankhorst2-6/+12
Convert free_work into delayed_work, similar to ttm to allow converting the blocking lock in __i915_gem_free_objects to a trylock. Unlike ttm, the object should already be idle, as it's kept alive by a reference through struct i915_vma->active, which is dropped after all vma's are idle. Because of this, we can use a no wait by default, or when the lock is contested, we use ttm's 10 ms. The trylock should only fail when the object is sharing it's resv with other objects, and typically objects are not kept locked for a long time, so we can safely retry on failure. Fixes: be7612fd6665 ("drm/i915: Require object lock when freeing pages during destruction") Testcase: igt/gem_exec_alignment/pi* Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211222155622.2960379-1-maarten.lankhorst@linux.intel.com
2021-12-22dt-bindings: display: bridge: lvds-codec: Fix duplicate keyThierry Reding1-21/+22
In order to validate multiple "if" conditionals, they must be part of an "allOf:" list, otherwise they will cause a failure in parsing the schema because of the duplicated "if" property. Fixes: d7df3948eb49 ("dt-bindings: display: bridge: lvds-codec: Document pixel data sampling edge select") Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211220125147.519880-1-thierry.reding@gmail.com
2021-12-22drm/i915: Require the vm mutex for i915_vma_bind()Thomas Hellström2-1/+50
Protect updates of struct i915_vma flags and async binding / unbinding with the vm::mutex. This means that i915_vma_bind() needs to assert vm::mutex held. In order to make that possible drop the caching of kmap_atomic() maps around i915_vma_bind(). An alternative would be to use kmap_local() but since we block cpu unplugging during sleeps inside kmap_local() sections this may have unwanted side-effects. Particularly since we might wait for gpu while holding the vm mutex. This change may theoretically increase execbuf cpu-usage on snb, but at least on non-highmem systems that increase should be very small. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211221200050.436316-5-thomas.hellstrom@linux.intel.com
2021-12-22drm/i915: Break out the i915_deps utilityThomas Hellström6-188/+285
Since it's starting to be used outside the i915 TTM move code, move it to a separate set of files. v2: - Update the documentation. v4: - Rebase. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211221200050.436316-4-thomas.hellstrom@linux.intel.com
2021-12-22drm/i915: remove questionable fence optimization during copyChristian König1-29/+14
First of all as discussed multiple times now kernel copies *must* always wait for all fences in a BO before actually doing the copy. This is mandatory. Additional to that drop the handling when there can't be a shared slot allocated on the source BO and just properly return an error code. Otherwise this code path would only be tested under out of memory conditions. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211221200050.436316-3-thomas.hellstrom@linux.intel.com Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2021-12-22drm/i915: Avoid using the i915_fence_array when collecting dependenciesThomas Hellström6-112/+91
Since the gt migration code was using only a single fence for dependencies, these were collected in a dma_fence_array. However, it turns out that it's illegal to use some dma_fences in a dma_fence_array, in particular other dma_fence_arrays and dma_fence_chains, and this causes trouble for us moving forward. Have the gt migration code instead take a const struct i915_deps for dependencies. This means we can skip the dma_fence_array creation and instead pass the struct i915_deps instead to circumvent the problem. v2: - Make the prev_deps() function static. (kernel test robot <lkp@intel.com>) - Update the struct i915_deps kerneldoc. v4: - Rebase. Fixes: 5652df829b3c ("drm/i915/ttm: Update i915_gem_obj_copy_ttm() to be asynchronous") Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211221200050.436316-2-thomas.hellstrom@linux.intel.com
2021-12-22drm/exynos: drop the use of label from exynos_dsi_register_te_irqInki Dae1-4/+3
Dropped the use of 'out' label from exynos_dsi_register_te_irq function because the label isn't needed. This patch returns an error in each error case directly not going to 'out' label. With this patch build warning[1] is also fixed, which was reported by kernel test robot <lkp@intel.com> [1] https://www.spinics.net/lists/dri-devel/msg323803.html Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-12-22drm/exynos: remove useless type conversionBernard Zhao1-2/+2
This change is to cleanup the code a bit. Signed-off-by: Bernard Zhao <bernard@vivo.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-12-22drm/exynos: Implement mmap as GEM object functionThomas Zimmermann4-68/+13
Moving the driver-specific mmap code into a GEM object function allows for using DRM helpers for various mmap callbacks. The respective exynos functions are being removed. The file_operations structure exynos_drm_driver_fops is now being created by the helper macro DEFINE_DRM_GEM_FOPS(). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Fixed merge conflict. Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-12-22drm/exynos: Replace legacy gpio interface for gpiod interfaceMaíra Canal1-28/+14
Considering the current transition of the GPIO subsystem, remove all dependencies of the legacy GPIO interface (linux/gpio.h and linux /of_gpio.h) and replace it with the descriptor-based GPIO approach. Signed-off-by: Maíra Canal <maira.canal@usp.br> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2021-12-21drm/i915/guc: Request RP0 before loading firmwareVinay Belgaumkar4-0/+74
By default, GT (and GuC) run at RPn. Requesting for RP0 before firmware load can speed up DMA and HuC auth as well. In addition to writing to 0xA008, we also need to enable swreq in 0xA024 so that Punit will pay heed to our request. SLPC will restore the frequency back to RPn after initialization, but we need to manually do that for the non-SLPC path. We don't need a manual override in the SLPC disabled case, just use the intel_rps_set function to ensure consistent RPS state. Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Reviewed-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216233022.21351-1-vinay.belgaumkar@intel.com
2021-12-21drm/i915: Add ww ctx to i915_gem_object_trylockMaarten Lankhorst6-8/+12
This is required for i915_gem_evict_vm, to be able to evict the entire VM, including objects that are already locked to the current ww ctx. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-12-maarten.lankhorst@linux.intel.com
2021-12-21drm/i915: Require object lock when freeing pages during destructionMaarten Lankhorst1-0/+5
TTM already requires this, and we require it for delayed destroy. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-11-maarten.lankhorst@linux.intel.com
2021-12-21drm/i915: Trylock the object when shrinkingMaarten Lankhorst1-0/+6
We're working on requiring the obj->resv lock during unbind, fix the shrinker to take the object lock. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-10-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915/guc: Flag an error if an engine reset failsJohn Harrison1-3/+11
If GuC encounters an error during engine reset, the i915 driver promotes to full GT reset. This includes an info message about why the reset is happening. However, that is not treated as a failure by any of the CI systems because resets are an expected occurrance during testing. This kind of failure is a major problem and should never happen. So, complain more loudly and make sure CI notices. Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211211065859.2248188-4-John.C.Harrison@Intel.com
2021-12-20drm/i915/guc: Increase GuC log size for CONFIG_DEBUG_GEMJohn Harrison1-1/+4
Lots of testing is done with the DEBUG_GEM config option enabled but not the DEBUG_GUC option. That means we only get teeny-tiny GuC logs which are not hugely useful. Enabling full DEBUG_GUC also spews lots of other detailed output that is not generally desired. However, bigger GuC logs are extremely useful for almost any regression debug. So enable bigger logs for DEBUG_GEM builds as well. Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211211065859.2248188-3-John.C.Harrison@Intel.com
2021-12-20drm/i915/guc: Speed up GuC log dumpsJohn Harrison2-8/+71
Add support for telling the debugfs interface the size of the GuC log dump in advance. Without that, the underlying framework keeps calling the 'show' function with larger and larger buffer allocations until it fits. That means reading the log from graphics memory many times - 16 times with the full 18MB log size. v2: Don't return error codes from size query. Report overflow in the error dump as well (review feedback from Daniele). Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211211065859.2248188-2-John.C.Harrison@Intel.com
2021-12-20drm/etnaviv: limit submit sizesLucas Stach1-0/+6
Currently we allow rediculous amounts of kernel memory being allocated via the etnaviv GEM_SUBMIT ioctl, which is a pretty easy DoS vector. Put some reasonable limits in to fix this. The commandstream size is limited to 64KB, which was already a soft limit on older kernels after which the kernel only took submits on a best effort base, so there is no userspace that tries to submit commandstreams larger than this. Even if the whole commandstream is a single incrementing address load, the size limit also limits the number of potential relocs and referenced buffers to slightly under 64K, so use the same limit for those arguments. The performance monitoring infrastructure currently supports less than 50 performance counter signals, so limiting them to 128 on a single submit seems like a reasonably future-proof number for now. This number can be bumped if needed without breaking the interface. Cc: stable@vger.kernel.org Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2021-12-20drm/i915: Ensure i915_vma tests do not get -ENOSPC with the locking changes.Maarten Lankhorst1-1/+16
Now that we require locking to evict, multiple vmas from the same object might not be evicted. This is expected and required, because execbuf will move to short-term pinning by using the lock only. This will cause these tests to fail, because they create a ton of vma's for the same object. Unbind manually to prevent spurious -ENOSPC in those mock tests. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-8-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915: Ensure gem_contexts selftests work with unbind changes, v2.Maarten Lankhorst1-24/+35
In the next commits, we may not evict when refcount = 0. igt_vm_isolation() continuously tries to pin/unpin at same address, but also calls put() on the object, which means the object may not be unpinned in time. Instead of this, re-use the same object over and over, so they can be unbound as required. Changes since v1: - Fix cleaning up obj_b on failure. (Matt) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-7-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915: Force ww lock for i915_gem_object_ggtt_pin_ww, v2.Maarten Lankhorst2-9/+28
We will need the lock to unbind the vma, and wait for bind to complete. Remove the special casing for the !ww path, and force ww locking for all. Changes since v1: - Pass err to for_i915_gem_ww handling for -EDEADLK handling. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-6-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915: Take object lock in i915_ggtt_pin if ww is not setMaarten Lankhorst1-12/+28
i915_vma_wait_for_bind needs the vma lock held, fix the caller. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-5-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915: Remove pages_mutex and intel_gtt->vma_ops.set/clear_pages members, v3.Maarten Lankhorst11-439/+374
Big delta, but boils down to moving set_pages to i915_vma.c, and removing the special handling, all callers use the defaults anyway. We only remap in ggtt, so default case will fall through. Because we still don't require locking in i915_vma_unpin(), handle this by using xchg in get_pages(), as it's locked with obj->mutex, and cmpxchg in unpin, which only fails if we race a against a new pin. Changes since v1: - aliasing gtt sets ZERO_SIZE_PTR, not -ENODEV, remove special case from __i915_vma_get_pages(). (Matt) Changes since v2: - Free correct old pages in __i915_vma_get_pages(). (Matt) Remove race of clearing vma->pages accidentally from put, free it but leave it set, as only get has the lock. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-4-maarten.lankhorst@linux.intel.com Reviewed-by: Matthew Auld <matthew.auld@intel.com>
2021-12-20drm/i915: Change shrink ordering to use locking around unbinding.Maarten Lankhorst1-20/+18
Call drop_pages with the gem object lock held, instead of the other way around. This will allow us to drop the vma bindings with the gem object lock held. We plan to require the object lock for unpinning in the future, and this is an easy target. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-3-maarten.lankhorst@linux.intel.com
2021-12-20drm/i915: Remove unused bits of i915_vma/active apiMaarten Lankhorst4-57/+14
When reworking the code to move the eviction fence to the object, the best code is removed code. Remove some functions that are unused, and change the function definition if it's only used in 1 place. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> [mlankhorst: Remove new use of i915_active_has_exclusive] Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-2-maarten.lankhorst@linux.intel.com
2021-12-17drm/i915: Rename i915->gt to i915->gt0Andi Shyti1-2/+2
In preparation of the multitile support, highlight the root GT by calling it gt0 inside the drm i915 private data. Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-11-andi.shyti@linux.intel.com
2021-12-17drm/i915: Use to_gt() helperMichał Winiarski14-103/+103
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-10-andi.shyti@linux.intel.com
2021-12-17drm/i915/pxp: Use to_gt() helperAndi Shyti1-1/+3
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-9-andi.shyti@linux.intel.com
2021-12-17drm/i915/selftests: Use to_gt() helperAndi Shyti14-40/+40
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-8-andi.shyti@linux.intel.com
2021-12-17drm/i915/gvt: Use to_gt() helperMichał Winiarski2-2/+2
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-7-andi.shyti@linux.intel.com
2021-12-17drm/i915/gem: Use to_gt() helperMichał Winiarski15-50/+55
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-6-andi.shyti@linux.intel.com
2021-12-17drm/i915/gt: Use to_gt() helperMichał Winiarski23-46/+46
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-5-andi.shyti@linux.intel.com
2021-12-17drm/i915/display: Use to_gt() helperMichał Winiarski4-14/+14
Use to_gt() helper consistently throughout the codebase. Pure mechanical s/i915->gt/to_gt(i915). No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-4-andi.shyti@linux.intel.com
2021-12-17drm/i915: Introduce to_gt() helperMichał Winiarski2-6/+6
To allow further refactoring and abstract away the fact that GT is stored inside i915 private. No functional changes. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-3-andi.shyti@linux.intel.com
2021-12-17drm/i915: Store backpointer to GT in uncoreMichał Winiarski7-14/+21
We now support a per-gt uncore, yet we're not able to infer which GT we're operating upon. Let's store a backpointer for now. At this point the early initialization of the gt needs to be broken in two parts where the first is needed to assign to the gt the i915 private data pointer and the uncore. A temporary function has been made and the two parts are __intel_gt_init_early() and intel_gt_init_early(). This split will be fixed in the future with the multitile patch. Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-2-andi.shyti@linux.intel.com
2021-12-17drm/vmwgfx: Fix possible usage of an uninitialized variableZack Rusin1-3/+5
vmw_user_bo_lookup can fail to lookup user buffers, especially because the buffer handles come from the userspace. The return value has to be checked before the buffers are put back. This was spotted by Dan's Smatch statick checker: drivers/gpu/drm/vmwgfx/vmwgfx_bo.c:574 vmw_user_bo_synccpu_release() error: uninitialized symbol 'vmw_bo'. Signed-off-by: Zack Rusin <zackr@vmware.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 8afa13a0583f ("drm/vmwgfx: Implement DRIVER_GEM") Reviewed-by: Martin Krastev <krastevm@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211215200224.3693345-1-zack@kde.org (cherry picked from commit 60c9ecd705be3a28f79d70ea21c3939db668bf46) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2021-12-17drm/vmwgfx: Remove unused compile optionsZack Rusin3-14/+5
Before the driver had screen targets support we had to disable explicit bringup of its infrastructure because it was breaking screen objects support. Since the implementation of screen targets landed there hasn't been a reason to explicitly disable it and the options were never used. Remove of all that unused code. Signed-off-by: Zack Rusin <zackr@vmware.com> Fixes: d80efd5cb3de ("drm/vmwgfx: Initial DX support") Reviewed-by: Martin Krastev <krastevm@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211215184147.3688785-3-zack@kde.org (cherry picked from commit 11343099d5ae6c7411da1425b6b162c89fb5bf10) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2021-12-17drm/vmwgfx: Remove explicit transparent hugepages supportZack Rusin4-198/+0
Old versions of the svga device used to export virtual vram, handling of which was optimized on top of transparent hugepages support. Only very old devices (OpenGL 2.1 support and earlier) used this code and at this point performance differences are negligible. Because the code requires very old hardware versions to run it has been largely untested and unused for a long time. Furthermore removal of the ttm hugepages support in: commit 0d979509539e ("drm/ttm: remove ttm_bo_vm_insert_huge()") broke the coherency mode in vmwgfx when running with hugepages. Fixes: 0d979509539e ("drm/ttm: remove ttm_bo_vm_insert_huge()") Signed-off-by: Zack Rusin <zackr@vmware.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Christian König <christian.koenig@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Martin Krastev <krastevm@vmware.com> Reviewed-by: Maaz Mombasawala <mombasawalam@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211215184147.3688785-2-zack@kde.org (cherry picked from commit 49d535d64d52945e2c874f380705675e20a02b6a) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2021-12-17drm/vmwgfx: Fix a size_t/long int format specifier mismatchZack Rusin1-1/+1
On i386 size_t is of course 32bits and using long int throws warnings, trivially fix it by using the dedicated size_t format. This is enough to fix the following warning found by the kernel test robot: drivers/gpu/drm/vmwgfx/vmwgfx_gem.c: In function 'vmw_bo_print_info': >> drivers/gpu/drm/vmwgfx/vmwgfx_gem.c:230:33: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 230 | seq_printf(m, "\t\t0x%08x: %12ld bytes %s, type = %s", | ~~~~^ | | | long int | %12d 231 | id, bo->base.base.size, placement, type); | ~~~~~~~~~~~~~~~~~~ | | Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Zack Rusin <zackr@vmware.com> Fixes: 8afa13a0583f ("drm/vmwgfx: Implement DRIVER_GEM") Reviewed-by: Martin Krastev <krastevm@vmware.com> Reviewed-by: Maaz Mombasawala <mombasawalam@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211215184147.3688785-1-zack@kde.org (cherry picked from commit 72345114c96b8211ec693b1ce59f95a83a613f1d) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2021-12-16drm/tegra: Add back arm_iommu_detach_device()Dmitry Osipenko1-0/+15
DMA buffers of 2D/3D engines aren't mapped properly when CONFIG_ARM_DMA_USE_IOMMU=y. The memory management code of Tegra DRM driver has a longstanding overhaul overdue and it's not obvious where the problem is in this case. Hence let's add back the old workaround which we already had sometime before. It explicitly detaches DRM devices from the offending implicit IOMMU domain. This fixes a completely broken 2d/3d drivers in case of ARM32 multiplatform kernel config. Cc: stable@vger.kernel.org Fixes: fa6661b7aa0b ("drm/tegra: Optionally attach clients to the IOMMU") Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-12-16gpu: host1x: Add back arm_iommu_detach_device()Dmitry Osipenko1-0/+15
Host1x DMA buffer isn't mapped properly when CONFIG_ARM_DMA_USE_IOMMU=y. The memory management code of Host1x driver has a longstanding overhaul overdue and it's not obvious where the problem is in this case. Hence let's add back the old workaround which we already had sometime before. It explicitly detaches Host1x device from the offending implicit IOMMU domain. This fixes a completely broken Host1x DMA in case of ARM32 multiplatform kernel config. Cc: stable@vger.kernel.org Fixes: af1cbfb9bf0f ("gpu: host1x: Support DMA mapping of buffers") Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-12-16drm/tegra: Consolidate runtime PM management of older UAPI codepathDmitry Osipenko5-43/+14
Move runtime PM management of older UAPI code paths into the common place. This removes boilerplate code from client drivers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-12-16drm/tegra: submit: Remove pm_runtime_enabled() checksDmitry Osipenko1-10/+6
Runtime PM is now universally available, make it mandatory by removing the pm_runtime_enabled() checks. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-12-16drm/tegra: nvdec: Stop channel on suspendDmitry Osipenko1-11/+18
CDMA must be stopped before hardware is suspended. Add channel stopping to RPM suspend callback. Add system level suspend-resume callbacks. Runtime PM initialization is moved to host1x client init phase because RPM callback now uses host1x channel that is available only when host1x client is registered. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-12-16drm/tegra: vic: Stop channel on suspendDmitry Osipenko1-18/+18
CDMA must be stopped before hardware is suspended. Add channel stopping to RPM suspend callback. Add system level suspend-resume callbacks. Runtime PM initialization is moved to host1x client init phase because RPM callback now uses host1x channel that is available only when host1x client is registered. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
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