✗ Fi.CI.CHECKPATCH: warning for series starting with [CI,1/5] drm/i915: Reset only affected engines when handling error capture

Patchwork
2019-06-07T09:32:29Z

== Series Details ==

Series: series starting with [CI,1/5] drm/i915: Reset only affected engines when handling error capture
URL : https://patchwork.freedesktop.org/series/61758/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
9a057903722f drm/i915: Reset only affected engines when handling error capture
2467bef6dc38 drm/i915: Tidy engine mask types in hangcheck
e71b4d115e62 drm/i915: Make Gen6/7 RING_FAULT_REG access engine centric
-:21: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'engine__' - possible side-effects?
#21: FILE: drivers/gpu/drm/i915/gt/intel_engine.h:71:
+#define GEN6_RING_FAULT_REG_READ(engine__) \
+ intel_uncore_read((engine__)->uncore, RING_FAULT_REG(engine__))

-:24: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'engine__' - possible side-effects?
#24: FILE: drivers/gpu/drm/i915/gt/intel_engine.h:74:
+#define GEN6_RING_FAULT_REG_POSTING_READ(engine__) \
+ intel_uncore_posting_read((engine__)->uncore, RING_FAULT_REG(engine__))

-:27: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'engine__' - possible side-effects?
#27: FILE: drivers/gpu/drm/i915/gt/intel_engine.h:77:
+#define GEN6_RING_FAULT_REG_RMW(engine__, clear__, set__) \
+({ \
+ u32 __val; \
+\
+ __val = intel_uncore_read((engine__)->uncore, \
+ RING_FAULT_REG(engine__)); \
+ __val &= ~clear__; \
+ __val |= set__; \
+ intel_uncore_write((engine__)->uncore, RING_FAULT_REG(engine__), \
+ __val); \
+})

-:27: CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'clear__' may be better as '(clear__)' to avoid precedence issues
#27: FILE: drivers/gpu/drm/i915/gt/intel_engine.h:77:
+#define GEN6_RING_FAULT_REG_RMW(engine__, clear__, set__) \
+({ \
+ u32 __val; \
+\
+ __val = intel_uncore_read((engine__)->uncore, \
+ RING_FAULT_REG(engine__)); \
+ __val &= ~clear__; \
+ __val |= set__; \
+ intel_uncore_write((engine__)->uncore, RING_FAULT_REG(engine__), \
+ __val); \
+})

total: 0 errors, 0 warnings, 4 checks, 52 lines checked
bcda7ed91c02 drm/i915: Extract engine fault reset to a helper
1390b7f7f35b drm/i915: Unexport i915_gem_init/fini_aliasing_ppgtt