✗ Fi.CI.CHECKPATCH: warning for series starting with [01/38] drm/i915/execlists: Suppress redundant preemption

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== Series Details ==

Series: series starting with [01/38] drm/i915/execlists: Suppress redundant preemption
URL   : https://patchwork.freedesktop.org/series/57427/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
5e23d902d35d drm/i915/execlists: Suppress redundant preemption
2bf4e3894cc3 drm/i915: Introduce i915_timeline.mutex
bf3a70770514 drm/i915: Keep timeline HWSP allocated until idle across the system
183c1d46d005 drm/i915: Use HW semaphores for inter-engine synchronisation on gen8+
f1ab995ada5f drm/i915: Prioritise non-busywait semaphore workloads
7da75240f892 drm/i915/selftests: Check that whitelisted registers are accessible
fb6dd69a3faf drm/i915: Force GPU idle on suspend
bd82e2da337c drm/i915/selftests: Improve switch-to-kernel-context checking
c3674ddd02ad drm/i915: Do a synchronous switch-to-kernel-context on idling
e210c30d893c drm/i915: Store the BIT(engine->id) as the engine's mask
-:262: CHECK:SPACING: No space is necessary after a cast
#262: FILE: drivers/gpu/drm/i915/intel_device_info.c:741:
+	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);

total: 0 errors, 0 warnings, 1 checks, 520 lines checked
40c040d7f36a drm/i915: Refactor common code to load initial power context
3344a6270d75 drm/i915: Reduce presumption of request ordering for barriers
0fbe8b734da4 drm/i915: Remove has-kernel-context
14c910b68d83 drm/i915: Introduce the i915_user_extension_method
-:58: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#58: 
new file mode 100644

-:63: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#63: FILE: drivers/gpu/drm/i915/i915_user_extensions.c:1:
+/*

-:112: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#112: FILE: drivers/gpu/drm/i915/i915_user_extensions.h:1:
+/*

-:140: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'ptr' - possible side-effects?
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:108:
+#define container_of_user(ptr, type, member) ({				\
+	void __user *__mptr = (void __user *)(ptr);			\
+	BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&	\
+			 !__same_type(*(ptr), void),			\
+			 "pointer type mismatch in container_of()");	\
+	((type __user *)(__mptr - offsetof(type, member))); })

-:140: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'member' - possible side-effects?
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:108:
+#define container_of_user(ptr, type, member) ({				\
+	void __user *__mptr = (void __user *)(ptr);			\
+	BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&	\
+			 !__same_type(*(ptr), void),			\
+			 "pointer type mismatch in container_of()");	\
+	((type __user *)(__mptr - offsetof(type, member))); })

-:140: CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'member' may be better as '(member)' to avoid precedence issues
#140: FILE: drivers/gpu/drm/i915/i915_utils.h:108:
+#define container_of_user(ptr, type, member) ({				\
+	void __user *__mptr = (void __user *)(ptr);			\
+	BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) &&	\
+			 !__same_type(*(ptr), void),			\
+			 "pointer type mismatch in container_of()");	\
+	((type __user *)(__mptr - offsetof(type, member))); })

total: 0 errors, 3 warnings, 3 checks, 109 lines checked
0b25c64b182f drm/i915: Track active engines within a context
-:110: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#110: FILE: drivers/gpu/drm/i915/i915_gem_context.h:167:
+	struct mutex mutex;

total: 0 errors, 0 warnings, 1 checks, 198 lines checked
0baaabfdc6c8 drm/i915: Introduce a context barrier callback
f8ec2c8c0830 drm/i915: Create/destroy VM (ppGTT) for use with contexts
-:37: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#37: FILE: drivers/gpu/drm/i915/i915_drv.h:221:
+	struct mutex vm_lock;

-:551: WARNING:LINE_SPACING: Missing a blank line after declarations
#551: FILE: drivers/gpu/drm/i915/selftests/i915_gem_context.c:503:
+		struct drm_file *file;
+		IGT_TIMEOUT(end_time);

-:627: CHECK:MULTIPLE_ASSIGNMENTS: multiple assignments should be avoided
#627: FILE: drivers/gpu/drm/i915/selftests/i915_gem_context.c:565:
+		ncontexts = dw = 0;

-:678: WARNING:LINE_SPACING: Missing a blank line after declarations
#678: FILE: drivers/gpu/drm/i915/selftests/i915_gem_context.c:610:
+		struct drm_file *file;
+		IGT_TIMEOUT(end_time);

-:758: CHECK:MULTIPLE_ASSIGNMENTS: multiple assignments should be avoided
#758: FILE: drivers/gpu/drm/i915/selftests/i915_gem_context.c:686:
+		ncontexts = dw = 0;

-:876: WARNING:LONG_LINE: line over 100 characters
#876: FILE: include/uapi/drm/i915_drm.h:405:
+#define DRM_IOCTL_I915_GEM_VM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_VM_CREATE, struct drm_i915_gem_vm_control)

-:877: WARNING:LONG_LINE: line over 100 characters
#877: FILE: include/uapi/drm/i915_drm.h:406:
+#define DRM_IOCTL_I915_GEM_VM_DESTROY	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_VM_DESTROY, struct drm_i915_gem_vm_control)

-:877: WARNING:SPACING: space prohibited between function name and open parenthesis '('
#877: FILE: include/uapi/drm/i915_drm.h:406:
+#define DRM_IOCTL_I915_GEM_VM_DESTROY	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_VM_DESTROY, struct drm_i915_gem_vm_control)

-:877: ERROR:COMPLEX_MACRO: Macros with complex values should be enclosed in parentheses
#877: FILE: include/uapi/drm/i915_drm.h:406:
+#define DRM_IOCTL_I915_GEM_VM_DESTROY	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_VM_DESTROY, struct drm_i915_gem_vm_control)

total: 1 errors, 5 warnings, 3 checks, 834 lines checked
efcf633f1dbb drm/i915: Extend CONTEXT_CREATE to set parameters upon construction
-:27: WARNING:LONG_LINE: line over 100 characters
#27: FILE: drivers/gpu/drm/i915/i915_drv.c:3000:
+	DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE_EXT, i915_gem_context_create_ioctl, DRM_RENDER_ALLOW),

-:542: WARNING:LONG_LINE: line over 100 characters
#542: FILE: include/uapi/drm/i915_drm.h:395:
+#define DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create_ext)

-:542: WARNING:SPACING: space prohibited between function name and open parenthesis '('
#542: FILE: include/uapi/drm/i915_drm.h:395:
+#define DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create_ext)

-:542: ERROR:COMPLEX_MACRO: Macros with complex values should be enclosed in parentheses
#542: FILE: include/uapi/drm/i915_drm.h:395:
+#define DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create_ext)

total: 1 errors, 3 warnings, 0 checks, 688 lines checked
2e12e535df62 drm/i915: Allow contexts to share a single timeline across all engines
4b3dbd308a4d drm/i915: Allow userspace to clone contexts on creation
5aae2005f1de drm/i915: Fix I915_EXEC_RING_MASK
e7c03aa42717 drm/i915: Remove last traces of exec-id (GEM_BUSY)
fa712cd9fcd4 drm/i915: Re-arrange execbuf so context is known before engine
481ec94ce3cc drm/i915: Allow a context to define its set of engines
40e466b00076 drm/i915: Extend I915_CONTEXT_PARAM_SSEU to support local ctx->engine[]
ae2d6298740e drm/i915: Pass around the intel_context
53195d9716e1 drm/i915: Split struct intel_context definition to its own header
-:297: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#297: 
new file mode 100644

-:302: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#302: FILE: drivers/gpu/drm/i915/i915_gem_context_types.h:1:
+/*

-:437: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#437: FILE: drivers/gpu/drm/i915/i915_gem_context_types.h:136:
+	struct mutex mutex;

-:472: CHECK:LINE_SPACING: Please don't use multiple blank lines
#472: FILE: drivers/gpu/drm/i915/i915_gem_context_types.h:171:
+
+

-:579: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#579: FILE: drivers/gpu/drm/i915/i915_timeline_types.h:1:
+/*

-:603: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#603: FILE: drivers/gpu/drm/i915/i915_timeline_types.h:25:
+	spinlock_t lock;

-:665: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#665: FILE: drivers/gpu/drm/i915/intel_context.h:1:
+/*

-:718: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#718: FILE: drivers/gpu/drm/i915/intel_context_types.h:1:
+/*

-:784: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#784: FILE: drivers/gpu/drm/i915/intel_engine_types.h:1:
+/*

-:1072: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#1072: FILE: drivers/gpu/drm/i915/intel_engine_types.h:289:
+		spinlock_t irq_lock;

-:1288: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'dev_priv__' - possible side-effects?
#1288: FILE: drivers/gpu/drm/i915/intel_engine_types.h:505:
+#define instdone_slice_mask(dev_priv__) \
+	(IS_GEN(dev_priv__, 7) ? \
+	 1 : RUNTIME_INFO(dev_priv__)->sseu.slice_mask)

-:1292: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'dev_priv__' - possible side-effects?
#1292: FILE: drivers/gpu/drm/i915/intel_engine_types.h:509:
+#define instdone_subslice_mask(dev_priv__) \
+	(IS_GEN(dev_priv__, 7) ? \
+	 1 : RUNTIME_INFO(dev_priv__)->sseu.subslice_mask[0])

-:1296: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'dev_priv__' - possible side-effects?
#1296: FILE: drivers/gpu/drm/i915/intel_engine_types.h:513:
+#define for_each_instdone_slice_subslice(dev_priv__, slice__, subslice__) \
+	for ((slice__) = 0, (subslice__) = 0; \
+	     (slice__) < I915_MAX_SLICES; \
+	     (subslice__) = ((subslice__) + 1) < I915_MAX_SUBSLICES ? (subslice__) + 1 : 0, \
+	       (slice__) += ((subslice__) == 0)) \
+		for_each_if((BIT(slice__) & instdone_slice_mask(dev_priv__)) && \
+			    (BIT(subslice__) & instdone_subslice_mask(dev_priv__)))

-:1296: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'slice__' - possible side-effects?
#1296: FILE: drivers/gpu/drm/i915/intel_engine_types.h:513:
+#define for_each_instdone_slice_subslice(dev_priv__, slice__, subslice__) \
+	for ((slice__) = 0, (subslice__) = 0; \
+	     (slice__) < I915_MAX_SLICES; \
+	     (subslice__) = ((subslice__) + 1) < I915_MAX_SUBSLICES ? (subslice__) + 1 : 0, \
+	       (slice__) += ((subslice__) == 0)) \
+		for_each_if((BIT(slice__) & instdone_slice_mask(dev_priv__)) && \
+			    (BIT(subslice__) & instdone_subslice_mask(dev_priv__)))

-:1296: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'subslice__' - possible side-effects?
#1296: FILE: drivers/gpu/drm/i915/intel_engine_types.h:513:
+#define for_each_instdone_slice_subslice(dev_priv__, slice__, subslice__) \
+	for ((slice__) = 0, (subslice__) = 0; \
+	     (slice__) < I915_MAX_SLICES; \
+	     (subslice__) = ((subslice__) + 1) < I915_MAX_SUBSLICES ? (subslice__) + 1 : 0, \
+	       (slice__) += ((subslice__) == 0)) \
+		for_each_if((BIT(slice__) & instdone_slice_mask(dev_priv__)) && \
+			    (BIT(subslice__) & instdone_subslice_mask(dev_priv__)))

-:1878: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#1878: FILE: drivers/gpu/drm/i915/intel_workarounds_types.h:1:
+/*

total: 0 errors, 7 warnings, 9 checks, 1821 lines checked
c34e28878e18 drm/i915: Store the intel_context_ops in the intel_engine_cs
b2525b1af2fa drm/i915: Move over to intel_context_lookup()
-:286: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#286: FILE: drivers/gpu/drm/i915/i915_gem_context_types.h:151:
+	spinlock_t hw_contexts_lock;

-:324: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#324: 
new file mode 100644

-:329: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#329: FILE: drivers/gpu/drm/i915/intel_context.c:1:
+/*

total: 0 errors, 2 warnings, 1 checks, 647 lines checked
631bd21a494b drm/i915: Make context pinning part of intel_context_ops
b8e8c0a9719d drm/i915: Track the pinned kernel contexts on each engine
6ccc7beebb9c drm/i915: Introduce intel_context.pin_mutex for pin management
-:243: WARNING:MEMORY_BARRIER: memory barrier without comment
#243: FILE: drivers/gpu/drm/i915/intel_context.c:157:
+		smp_mb__before_atomic();

total: 0 errors, 1 warnings, 0 checks, 387 lines checked
9a20e5c80942 drm/i915: Load balancing across a virtual engine
-:900: WARNING:LINE_SPACING: Missing a blank line after declarations
#900: FILE: drivers/gpu/drm/i915/intel_lrc.c:3342:
+		struct intel_engine_cs *actual = ve->siblings[0];
+		virtual_engine_free(&ve->kref);

total: 0 errors, 1 warnings, 0 checks, 1108 lines checked
eb7f9c7d8fed drm/i915: Extend execution fence to support a callback
43190fadc3e7 drm/i915/execlists: Virtual engine bonding
7988f06b0790 drm/i915: Allow specification of parallel execbuf
3b2bef0b3c17 drm/i915/selftests: Check preemption support on each engine
800b0544e514 drm/i915/execlists: Skip direct submission if only lite-restore

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