✗ Fi.CI.CHECKPATCH: warning for drm/i915: Clean up the wm mem latency stuff

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== Series Details ==

Series: drm/i915: Clean up the wm mem latency stuff
URL   : https://patchwork.freedesktop.org/series/50802/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
3acd8b6f70a5 drm/i915: Store all wm memory latency values in .1 usec units
77e42913e7cf drm/i915: Use the spr/cur latencies on vlv/chv/g4x
720e1b59c0b9 drm/i915: Eliminate skl_latency[]
835ecb45c0fd drm/i915: Add dev_priv->wm.num_levels and use it everywhere
56e36d0fdf5f drm/i915: Add DEFINE_SNPRINTF_ARRAY()
-:23: CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'values' may be better as '(values)' to avoid precedence issues
#23: FILE: drivers/gpu/drm/i915/i915_utils.h:164:
+#define DEFINE_SNPRINTF_ARRAY(name, type, values, index, fmt, ...) \
+void name(char *_str, size_t _len, const type *values, int _nelems) \
+{ \
+	int index; \
+	if (_len) \
+		_str[0] = '\0'; \
+	for (index = 0; index < _nelems; index++) { \
+		int _r = snprintf(_str, _len, "%s" fmt, \
+				  index ? ", " : "", __VA_ARGS__); \
+		if (_r >= _len) \
+			return; \
+		_str += _r; \
+		_len -= _r; \
+	} \
+}

-:23: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'index' - possible side-effects?
#23: FILE: drivers/gpu/drm/i915/i915_utils.h:164:
+#define DEFINE_SNPRINTF_ARRAY(name, type, values, index, fmt, ...) \
+void name(char *_str, size_t _len, const type *values, int _nelems) \
+{ \
+	int index; \
+	if (_len) \
+		_str[0] = '\0'; \
+	for (index = 0; index < _nelems; index++) { \
+		int _r = snprintf(_str, _len, "%s" fmt, \
+				  index ? ", " : "", __VA_ARGS__); \
+		if (_r >= _len) \
+			return; \
+		_str += _r; \
+		_len -= _r; \
+	} \
+}

-:23: WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#23: FILE: drivers/gpu/drm/i915/i915_utils.h:164:
+#define DEFINE_SNPRINTF_ARRAY(name, type, values, index, fmt, ...) \
+void name(char *_str, size_t _len, const type *values, int _nelems) \
+{ \
+	int index; \
+	if (_len) \
+		_str[0] = '\0'; \
+	for (index = 0; index < _nelems; index++) { \
+		int _r = snprintf(_str, _len, "%s" fmt, \
+				  index ? ", " : "", __VA_ARGS__); \
+		if (_r >= _len) \
+			return; \
+		_str += _r; \
+		_len -= _r; \
+	} \
+}

-:24: CHECK:SPACING: spaces preferred around that '*' (ctx:WxV)
#24: FILE: drivers/gpu/drm/i915/i915_utils.h:165:
+void name(char *_str, size_t _len, const type *values, int _nelems) \
                                               ^

total: 0 errors, 1 warnings, 3 checks, 43 lines checked
f3ddc18d8e10 drm/i915: Make the WM memory latency print more compact
3e81eb4b15b0 drm/i915: Eliminate redundant ilk sprite/cursor wm fixup code
aaa6aab9e9f2 drm/i915: Split skl+ and ilk+ read_wm_latency()
2e6e43af1f55 drm/i915: Sanitize wm latency values for ilk+
4d7823f8cfea drm/i915: Drop the funky ilk wm setup
cc9ff8c60c9f drm/i915: Allow LP3 watermarks on ILK
9ca6798844ad drm/i915: Remove the remnants of the ilk+ LP0 wm hack

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