✗ Fi.CI.CHECKPATCH: warning for drm/i915: Remove obj->mm.lock! (rev18)

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== Series Details ==

Series: drm/i915: Remove obj->mm.lock! (rev18)
URL   : https://patchwork.freedesktop.org/series/82337/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
21e30af84d60 drm/i915: Do not share hwsp across contexts any more, v8.
-:565: WARNING:CONSTANT_COMPARISON: Comparisons should place the constant on the right side of the test
#565: FILE: drivers/gpu/drm/i915/gt/intel_timeline.c:286:
+	if (TIMELINE_SEQNO_BYTES <= BIT(5) && (next_ofs & BIT(5)))

total: 0 errors, 1 warnings, 0 checks, 967 lines checked
3dcc3090a8aa drm/i915: Pin timeline map after first timeline pin, v4.
-:16: WARNING:TYPO_SPELLING: 'arithmatic' may be misspelled - perhaps 'arithmetic'?
#16: 
- Fix NULL + XX arithmatic, use casts. (kbuild)
                ^^^^^^^^^^

total: 0 errors, 1 warnings, 0 checks, 288 lines checked
61e73e406004 drm/i915: Move cmd parser pinning to execbuffer
263d87a59478 drm/i915: Add missing -EDEADLK handling to execbuf pinning, v2.
-:59: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#59: FILE: drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:452:
+		err = i915_vma_pin_ww(vma, &eb->ww,
 					     entry->pad_to_size,

total: 0 errors, 0 warnings, 1 checks, 75 lines checked
d0fd03b71eac drm/i915: Ensure we hold the object mutex in pin correctly.
5f9f5fded601 drm/i915: Add gem object locking to madvise.
ec224070faa9 drm/i915: Move HAS_STRUCT_PAGE to obj->flags
-:110: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#110: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.c:63:
+			  struct lock_class_key *key, unsigned flags)

-:133: WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#133: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:53:
+			  unsigned alloc_flags);

total: 0 errors, 2 warnings, 0 checks, 350 lines checked
f1417f7189ac drm/i915: Rework struct phys attachment handling
c5121d3bf030 drm/i915: Convert i915_gem_object_attach_phys() to ww locking, v2.
cd80a5137639 drm/i915: make lockdep slightly happier about execbuf.
81d63e3444e2 drm/i915: Disable userptr pread/pwrite support.
e170f0547221 drm/i915: No longer allow exporting userptr through dma-buf
13f46a38f0eb drm/i915: Reject more ioctls for userptr, v2.
76fa2e87da9c drm/i915: Reject UNSYNCHRONIZED for userptr, v2.
efd70139bae3 drm/i915: Make compilation of userptr code depend on MMU_NOTIFIER.
1f380a5600a4 drm/i915: Fix userptr so we do not have to worry about obj->mm.lock, v7.
-:332: WARNING:LONG_LINE: line length of 121 exceeds 100 columns
#332: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:605:
+static inline int i915_gem_object_userptr_submit_init(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }

-:333: WARNING:LONG_LINE: line length of 121 exceeds 100 columns
#333: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:606:
+static inline int i915_gem_object_userptr_submit_done(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }

-:334: WARNING:LONG_LINE: line length of 106 exceeds 100 columns
#334: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:607:
+static inline void i915_gem_object_userptr_submit_fini(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); }

-:335: WARNING:LONG_LINE: line length of 118 exceeds 100 columns
#335: FILE: drivers/gpu/drm/i915/gem/i915_gem_object.h:608:
+static inline int i915_gem_object_userptr_validate(struct drm_i915_gem_object *obj) { GEM_BUG_ON(1); return -ENODEV; }

-:394: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#394: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:2:
  * SPDX-License-Identifier: MIT

-:398: WARNING:BLOCK_COMMENT_STYLE: Block comments should align the * on each line
#398: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:6:
+ *
+  * Based on amdgpu_mn, which bears the following notice:

-:399: WARNING:BLOCK_COMMENT_STYLE: Block comments should align the * on each line
#399: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:7:
+  * Based on amdgpu_mn, which bears the following notice:
+ *

-:484: WARNING:LONG_LINE: line length of 106 exceeds 100 columns
#484: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:63:
+	struct drm_i915_gem_object *obj = container_of(mni, struct drm_i915_gem_object, userptr.notifier);

-:1172: CHECK:MULTIPLE_ASSIGNMENTS: multiple assignments should be avoided
#1172: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:300:
+	pinned = ret = 0;

-:1187: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#1187: FILE: drivers/gpu/drm/i915/gem/i915_gem_userptr.c:315:
+	if (mmu_interval_read_retry(&obj->userptr.notifier,
+		!obj->userptr.page_ref ? notifier_seq :

-:1334: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#1334: FILE: drivers/gpu/drm/i915/i915_drv.h:564:
+	spinlock_t notifier_lock;

total: 0 errors, 8 warnings, 3 checks, 1267 lines checked
fd4b18d157a8 drm/i915: Flatten obj->mm.lock
50d8873b420a drm/i915: Populate logical context during first pin.
e5f8a7149fca drm/i915: Make ring submission compatible with obj->mm.lock removal, v2.
ef351a4e9f96 drm/i915: Handle ww locking in init_status_page
b1a804919d47 drm/i915: Rework clflush to work correctly without obj->mm.lock.
72088f888965 drm/i915: Pass ww ctx to intel_pin_to_display_plane
baa8f9fbc98e drm/i915: Add object locking to vm_fault_cpu
dedde1a8aad4 drm/i915: Move pinning to inside engine_wa_list_verify()
-:72: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#72: FILE: drivers/gpu/drm/i915/gt/intel_workarounds.c:2215:
+	err = i915_vma_pin_ww(vma, &ww, 0, 0,
+			   i915_vma_is_ggtt(vma) ? PIN_GLOBAL : PIN_USER);

total: 0 errors, 0 warnings, 1 checks, 118 lines checked
f7d9dda62c90 drm/i915: Take reservation lock around i915_vma_pin.
d3246765f63f drm/i915: Make lrc_init_wa_ctx compatible with ww locking, v3.
173f4f1b1c63 drm/i915: Make __engine_unpark() compatible with ww locking.
-:10: WARNING:REPEATED_WORD: Possible repeated word: 'many'
#10: 
many many places where rpm is used, I chose the safest option

total: 0 errors, 1 warnings, 0 checks, 16 lines checked
4c3c4d4088f1 drm/i915: Take obj lock around set_domain ioctl
-:85: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#85: FILE: drivers/gpu/drm/i915/gem/i915_gem_domain.c:518:
+		err = i915_gem_object_wait(obj,
+					  I915_WAIT_INTERRUPTIBLE |

total: 0 errors, 0 warnings, 1 checks, 74 lines checked
8bc8d48fa1f5 drm/i915: Defer pin calls in buffer pool until first use by caller.
bd2246c91faf drm/i915: Fix pread/pwrite to work with new locking rules.
-:32: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#32: 
deleted file mode 100644

total: 0 errors, 1 warnings, 0 checks, 349 lines checked
c721b167ca40 drm/i915: Fix workarounds selftest, part 1
327f719d9bcd drm/i915: Prepare for obj->mm.lock removal, v2.
-:135: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email address mismatch: 'From: "Thomas Hellström" <thomas.hellstrom@xxxxxxxxx>' != 'Signed-off-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>'

total: 0 errors, 1 warnings, 0 checks, 96 lines checked
aee3fe87816c drm/i915: Add igt_spinner_pin() to allow for ww locking around spinner.
ef70b0b8e290 drm/i915: Add ww locking around vm_access()
6019d6c0eb3f drm/i915: Increase ww locking for perf.
e03a1006484c drm/i915: Lock ww in ucode objects correctly
a5ad0fac0fc8 drm/i915: Add ww locking to dma-buf ops, v2.
afe92b46fb0e drm/i915: Add missing ww lock in intel_dsb_prepare.
a953ed1b87c6 drm/i915: Fix ww locking in shmem_create_from_object
7990b3f44593 drm/i915: Use a single page table lock for each gtt.
-:112: WARNING:UNNECESSARY_ELSE: else is not generally useful after a break or return
#112: FILE: drivers/gpu/drm/i915/gt/intel_gtt.c:85:
+		return i915_gem_object_lock(vm->scratch[0], ww);
+	} else {

total: 0 errors, 1 warnings, 0 checks, 154 lines checked
d02a3c08b6c8 drm/i915/selftests: Prepare huge_pages testcases for obj->mm.lock removal.
fc461b458635 drm/i915/selftests: Prepare client blit for obj->mm.lock removal.
be577dd52aef drm/i915/selftests: Prepare coherency tests for obj->mm.lock removal.
7d53063f4923 drm/i915/selftests: Prepare context tests for obj->mm.lock removal.
ba8a88aed80f drm/i915/selftests: Prepare dma-buf tests for obj->mm.lock removal.
112ffa7bb2d9 drm/i915/selftests: Prepare execbuf tests for obj->mm.lock removal.
554806522541 drm/i915/selftests: Prepare mman testcases for obj->mm.lock removal.
ccf4fc27e7ac drm/i915/selftests: Prepare object tests for obj->mm.lock removal.
56166af1f1c8 drm/i915/selftests: Prepare object blit tests for obj->mm.lock removal.
a25c41efc1e7 drm/i915/selftests: Prepare igt_gem_utils for obj->mm.lock removal
adfc47aa25f8 drm/i915/selftests: Prepare context selftest for obj->mm.lock removal
b30d31903984 drm/i915/selftests: Prepare hangcheck for obj->mm.lock removal
e85b79c98be5 drm/i915/selftests: Prepare execlists and lrc selftests for obj->mm.lock removal
-:163: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#163: FILE: drivers/gpu/drm/i915/gt/selftest_lrc.c:1303:
+	lrc = i915_gem_object_pin_map_unlocked(ce->state->obj,
 				      i915_coherent_map_type(engine->i915));

total: 0 errors, 0 warnings, 1 checks, 130 lines checked
1412f472559a drm/i915/selftests: Prepare mocs tests for obj->mm.lock removal
538601003e61 drm/i915/selftests: Prepare ring submission for obj->mm.lock removal
170ae0178b2b drm/i915/selftests: Prepare timeline tests for obj->mm.lock removal
7b48384cbdf2 drm/i915/selftests: Prepare i915_request tests for obj->mm.lock removal
e2bb3c22cac0 drm/i915/selftests: Prepare memory region tests for obj->mm.lock removal
bb69aac3ea77 drm/i915/selftests: Prepare cs engine tests for obj->mm.lock removal
89f6f29df407 drm/i915/selftests: Prepare gtt tests for obj->mm.lock removal
2e2e7b38f85a drm/i915: Finally remove obj->mm.lock.
9fc64b960321 drm/i915: Keep userpointer bindings if seqcount is unchanged, v2.
96d6bd170d7a drm/i915: Move gt_revoke() slightly
28e263d3572c drm/i915: Add missing -EDEADLK path in execbuffer ggtt pinning.
79181322b8c3 drm/i915: Fix pin_map in scheduler selftests
-:7: WARNING:COMMIT_MESSAGE: Missing commit description - Add an appropriate one

total: 0 errors, 1 warnings, 0 checks, 8 lines checked
fa9a3aa7cc32 drm/i915: Add ww parameter to get_pages() callback
009aea508019 drm/i915: Add ww context to prepare_(read/write)
-:6: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#6: 
This will allow us to explicitly pass the ww to pin_pages, when it starts taking it.

total: 0 errors, 1 warnings, 0 checks, 107 lines checked
c961b851f0f4 drm/i915: Pass ww ctx to pin_map
-:456: CHECK:MULTIPLE_ASSIGNMENTS: multiple assignments should be avoided
#456: FILE: drivers/gpu/drm/i915/i915_perf.c:1665:
+	batch = cs = i915_gem_object_pin_map(bo, &ww, I915_MAP_WB);

total: 0 errors, 0 warnings, 1 checks, 337 lines checked
e0b2dcbb577c drm/i915: Pass ww ctx to i915_gem_object_pin_pages
-:80: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#80: FILE: drivers/gpu/drm/i915/gem/i915_gem_domain.c:464:
+		err = i915_gem_object_wait(obj,
+					  I915_WAIT_INTERRUPTIBLE |

total: 0 errors, 0 warnings, 1 checks, 332 lines checked
0872f4e47cc7 drm/i915: Remove asynchronous vma binding


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