✗ Fi.CI.CHECKPATCH: warning for series starting with [1/9] drm/i915/gtt: No need to zero the table for page dirs

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== Series Details ==

Series: series starting with [1/9] drm/i915/gtt: No need to zero the table for page dirs
URL   : https://patchwork.freedesktop.org/series/61914/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
84806e55a140 drm/i915/gtt: No need to zero the table for page dirs
456a07424854 drm/i915/gtt: Use a common type for page directories
-:676: CHECK:BRACES: Blank lines aren't necessary after an open brace '{'
#676: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:1502:
 	gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) {
+

total: 0 errors, 0 warnings, 1 checks, 1049 lines checked
cfdf6893e733 drm/i915/gtt: Introduce init_pd_with_page
c8ec1761dc80 drm/i915/gtt: Introduce init_pd
2e057ea8402b drm/i915/gtt: Generalize alloc_pd
72426989ea08 drm/i915/gtt: pde entry encoding is identical
-:53: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pd' - possible side-effects?
#53: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:731:
+#define init_pd(vm, pd, to) {					\
+	GEM_DEBUG_BUG_ON(!pd_has_phys_page(pd));		\
+	fill_px((vm), (pd), gen8_pde_encode(px_dma(to), I915_CACHE_LLC)); \
+	memset_p((pd)->entry, (to), 512);				\
 }

-:53: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'to' - possible side-effects?
#53: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:731:
+#define init_pd(vm, pd, to) {					\
+	GEM_DEBUG_BUG_ON(!pd_has_phys_page(pd));		\
+	fill_px((vm), (pd), gen8_pde_encode(px_dma(to), I915_CACHE_LLC)); \
+	memset_p((pd)->entry, (to), 512);				\
 }

-:76: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pd' - possible side-effects?
#76: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:748:
+#define set_pd_entry(pd, pde, to) ({					\
+	(pd)->entry[(pde)] = (to);					\
+	__set_pd_entry((pd), (pde),					\
+		       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));	\
+})

-:76: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pde' - possible side-effects?
#76: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:748:
+#define set_pd_entry(pd, pde, to) ({					\
+	(pd)->entry[(pde)] = (to);					\
+	__set_pd_entry((pd), (pde),					\
+		       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));	\
+})

-:76: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'to' - possible side-effects?
#76: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:748:
+#define set_pd_entry(pd, pde, to) ({					\
+	(pd)->entry[(pde)] = (to);					\
+	__set_pd_entry((pd), (pde),					\
+		       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));	\
+})

-:82: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pdp' - possible side-effects?
#82: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:754:
+#define set_pdp_entry(pdp, pdpe, to) ({		\
+	(pdp)->entry[(pdpe)] = (to);		\
+	if (pd_has_phys_page(pdp))					\
+		__set_pd_entry((pdp), (pdpe),				\
+			       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));\
+})

-:82: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'pdpe' - possible side-effects?
#82: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:754:
+#define set_pdp_entry(pdp, pdpe, to) ({		\
+	(pdp)->entry[(pdpe)] = (to);		\
+	if (pd_has_phys_page(pdp))					\
+		__set_pd_entry((pdp), (pdpe),				\
+			       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));\
+})

-:82: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'to' - possible side-effects?
#82: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:754:
+#define set_pdp_entry(pdp, pdpe, to) ({		\
+	(pdp)->entry[(pdpe)] = (to);		\
+	if (pd_has_phys_page(pdp))					\
+		__set_pd_entry((pdp), (pdpe),				\
+			       gen8_pde_encode(px_dma(to), I915_CACHE_LLC));\
+})

total: 0 errors, 0 warnings, 8 checks, 232 lines checked
0a1e3ad99009 drm/i915/gtt: Check for physical page for pd entry always
08e4c78a9b99 drm/i915/gtt: Make swapping the pd entry generic
-:37: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'to' - possible side-effects?
#37: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:772:
+#define swap_pd_entry(pd, pde, old, to) \
+	__swap_pd_entry((pd), (pde), (old), (to), \
+			gen8_pde_encode(px_dma(to), I915_CACHE_LLC))

total: 0 errors, 0 warnings, 1 checks, 65 lines checked
393d891d4aec drm/i915/gtt: Tear down setup and cleanup macros for page dma

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