✗ Fi.CI.CHECKPATCH: warning for drm/i915: HuC loading and authentication for MTL (rev2)

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== Series Details ==

Series: drm/i915: HuC loading and authentication for MTL (rev2)
URL   : https://patchwork.freedesktop.org/series/117080/
State : warning

== Summary ==

Error: dim checkpatch failed
4f134a76627f DO NOT REVIEW: drm/i915: Add support for MTL GSC SW Proxy
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:133: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#133: 
new file mode 100644

-:138: WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
#138: FILE: drivers/gpu/drm/i915/gt/uc/intel_gsc_proxy.c:1:
+#include "intel_gsc_proxy.h"

-:140: WARNING:SPDX_LICENSE_TAG: Misplaced SPDX-License-Identifier tag - use line 1 instead
#140: FILE: drivers/gpu/drm/i915/gt/uc/intel_gsc_proxy.c:3:
+// SPDX-License-Identifier: MIT

-:278: WARNING:MEMORY_BARRIER: memory barrier without comment
#278: FILE: drivers/gpu/drm/i915/gt/uc/intel_gsc_proxy.c:141:
+	wmb();

-:321: CHECK:BRACES: Blank lines aren't necessary before a close brace '}'
#321: FILE: drivers/gpu/drm/i915/gt/uc/intel_gsc_proxy.c:184:
+
+}

total: 0 errors, 4 warnings, 1 checks, 988 lines checked
1fcb4f9f51b9 drm/i915/uc: perma-pin firmwares
-:114: ERROR:SPACING: space prohibited before that close parenthesis ')'
#114: FILE: drivers/gpu/drm/i915/gt/uc/intel_uc.h:117:
+intel_uc_ops_function(resume_mappings, resume_mappings, void, );

total: 1 errors, 0 warnings, 0 checks, 196 lines checked
8cdce6d867c8 drm/i915/huc: Parse the GSC-enabled HuC binary
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
Traceback (most recent call last):
  File "scripts/spdxcheck.py", line 6, in <module>
    from ply import lex, yacc
ModuleNotFoundError: No module named 'ply'
-:21: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#21: 
new file mode 100644

-:411: WARNING:LINE_SPACING: Missing a blank line after declarations
#411: FILE: drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c:623:
+		u32 delta = uc_fw->dma_start_offset;
+		__check_ccs_header(gt, fw->data + delta, fw->size - delta, uc_fw);

total: 0 errors, 2 warnings, 0 checks, 379 lines checked
84c4b445bc8b drm/i915/huc: Load GSC-enabled HuC via DMA xfer if the fuse says so
-:56: ERROR:SPACING: space required after that ',' (ctx:VxV)
#56: FILE: drivers/gpu/drm/i915/gt/uc/intel_huc.c:321:
+		huc_err(huc," HW in legacy mode, but we have an incompatible meu blob\n");
 		           ^

total: 1 errors, 0 warnings, 0 checks, 131 lines checked
19dffec79556 drm/i915/huc: differentiate the 2 steps of the MTL HuC auth flow
-:49: WARNING:AVOID_BUG: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#49: FILE: drivers/gpu/drm/i915/gt/uc/intel_huc.c:128:
+	GEM_BUG_ON(intel_huc_is_authenticated(huc, INTEL_HUC_AUTH_BY_GSC));

-:300: CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'base' may be better as '(base)' to avoid precedence issues
#300: FILE: drivers/gpu/drm/i915/i915_reg.h:944:
+#define HECI_FWSTS5(base)		_MMIO(base + 0xc68)

total: 0 errors, 1 warnings, 1 checks, 258 lines checked
6222e0bf0c79 drm/i915/mtl/huc: auth HuC via GSC
-:9: WARNING:TYPO_SPELLING: 'fuction' may be misspelled - perhaps 'function'?
#9: 
The intel_huc_auth fuction is also updated to handle both authentication
                   ^^^^^^^

-:83: WARNING:LINE_SPACING: Missing a blank line after declarations
#83: FILE: drivers/gpu/drm/i915/gt/uc/intel_huc.c:359:
+		struct i915_vma *vma = intel_guc_allocate_vma(&gt->uc.guc, SZ_8K);
+		if (IS_ERR(vma)) {

-:155: ERROR:SPACING: space required before the open parenthesis '('
#155: FILE: drivers/gpu/drm/i915/gt/uc/intel_huc.c:479:
+	switch(type) {

total: 1 errors, 2 warnings, 0 checks, 328 lines checked
64120cc202a7 drm/i915/mtl/huc: Use the media gt for the HuC getparam
c1aa0a9ca781 drm/i915/huc: define HuC FW version for MTL





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