✗ Fi.CI.CHECKPATCH: warning for i915 vgpu PV to improve vgpu performance

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== Series Details ==

Series: i915 vgpu PV to improve vgpu performance
URL   : https://patchwork.freedesktop.org/series/61493/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
b84d8b472a53 drm/i915: introduced vgpu pv capability
-:90: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#90: FILE: drivers/gpu/drm/i915/i915_vgpu.c:89:
+	DRM_INFO("Virtual GPU for Intel GVT-g detected with pv_caps 0x%x.\n",
+			dev_priv->vgpu.pv_caps);

total: 0 errors, 0 warnings, 1 checks, 99 lines checked
8f6296420e40 drm/i915: vgpu shared memory setup for pv optimization
-:113: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#113: FILE: drivers/gpu/drm/i915/i915_vgpu.c:318:
+	__raw_uncore_write32(uncore, vgtif_reg(g2v_notify),
+			VGT_G2V_SHARED_PAGE_SETUP);

total: 0 errors, 0 warnings, 1 checks, 132 lines checked
61bce586be7a drm/i915: vgpu ppgtt update pv optimization
-:41: CHECK:LOGICAL_CONTINUATIONS: Logical continuations should be on the previous line
#41: FILE: drivers/gpu/drm/i915/i915_gem.c:1511:
+	if ((intel_vgpu_active(dev_priv) && !intel_vgpu_has_huge_gtt(dev_priv))
+		|| intel_vgpu_enabled_pv_caps(dev_priv, PV_PPGTT_UPDATE))

-:55: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#55: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:930:
+void gen8_ppgtt_clear_4lvl(struct i915_address_space *vm,
 				  u64 start, u64 length)

-:64: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#64: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:1169:
+void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm,
 				   struct i915_vma *vma,

-:73: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#73: FILE: drivers/gpu/drm/i915/i915_gem_gtt.c:1451:
+int gen8_ppgtt_alloc_4lvl(struct i915_address_space *vm,
 				 u64 start, u64 length)

-:95: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#95: FILE: drivers/gpu/drm/i915/i915_gem_gtt.h:650:
+void gen8_ppgtt_clear_4lvl(struct i915_address_space *vm,
+		u64 start, u64 length);

-:97: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#97: FILE: drivers/gpu/drm/i915/i915_gem_gtt.h:652:
+void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm,
+		struct i915_vma *vma,

-:100: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#100: FILE: drivers/gpu/drm/i915/i915_gem_gtt.h:655:
+int gen8_ppgtt_alloc_4lvl(struct i915_address_space *vm,
+		u64 start, u64 length);

-:138: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#138: FILE: drivers/gpu/drm/i915/i915_vgpu.c:296:
+static void gen8_ppgtt_clear_4lvl_pv(struct i915_address_space *vm,
+				  u64 start, u64 length)

-:157: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#157: FILE: drivers/gpu/drm/i915/i915_vgpu.c:315:
+static void gen8_ppgtt_insert_4lvl_pv(struct i915_address_space *vm,
+				   struct i915_vma *vma,

-:176: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#176: FILE: drivers/gpu/drm/i915/i915_vgpu.c:334:
+static int gen8_ppgtt_alloc_4lvl_pv(struct i915_address_space *vm,
+				 u64 start, u64 length)

-:203: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#203: FILE: drivers/gpu/drm/i915/i915_vgpu.c:361:
+void intel_vgpu_config_pv_caps(struct drm_i915_private *dev_priv,
+		enum pv_caps cap, void *data)

-:245: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#245: FILE: drivers/gpu/drm/i915/i915_vgpu.h:91:
+intel_vgpu_enabled_pv_caps(struct drm_i915_private *dev_priv,
+		enum pv_caps cap)

-:248: CHECK:LOGICAL_CONTINUATIONS: Logical continuations should be on the previous line
#248: FILE: drivers/gpu/drm/i915/i915_vgpu.h:94:
+	return intel_vgpu_active(dev_priv) && intel_vgpu_has_pv_caps(dev_priv)
+			&& (dev_priv->vgpu.pv_caps & cap);

-:257: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#257: FILE: drivers/gpu/drm/i915/i915_vgpu.h:103:
+void intel_vgpu_config_pv_caps(struct drm_i915_private *dev_priv,
+		enum pv_caps cap, void *data);

total: 0 errors, 0 warnings, 14 checks, 193 lines checked
f1b3f498ebea drm/i915: vgpu context submission pv optimization
-:132: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#132: 
new file mode 100644

-:152: CHECK:SPACING: spaces preferred around that '+' (ctx:VxV)
#152: FILE: drivers/gpu/drm/i915/intel_pv_submission.c:16:
+	reg_state[CTX_RING_TAIL+1] = intel_ring_set_tail(rq->ring, rq->tail);
 	                       ^

total: 0 errors, 1 warnings, 1 checks, 237 lines checked
40ce001e1ce8 drm/i915/gvt: GVTg handle pv_caps PVINFO register
4becca4775d1 drm/i915/gvt: GVTg handle shared_page setup
-:50: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#50: FILE: drivers/gpu/drm/i915/gvt/gvt.h:693:
+int intel_gvt_read_shared_page(struct intel_vgpu *vgpu,
+		unsigned int offset, void *buf, unsigned long len);

-:52: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#52: FILE: drivers/gpu/drm/i915/gvt/gvt.h:695:
+int intel_gvt_write_shared_page(struct intel_vgpu *vgpu,
+		unsigned int offset, void *buf, unsigned long len);

-:130: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#130: FILE: drivers/gpu/drm/i915/gvt/vgpu.c:603:
+int intel_gvt_read_shared_page(struct intel_vgpu *vgpu,
+		unsigned int offset, void *buf, unsigned long len)

-:149: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#149: FILE: drivers/gpu/drm/i915/gvt/vgpu.c:622:
+int intel_gvt_write_shared_page(struct intel_vgpu *vgpu,
+		unsigned int offset, void *buf, unsigned long len)

total: 0 errors, 0 warnings, 4 checks, 122 lines checked
3626e6547796 drm/i915/gvt: GVTg support ppgtt pv optimization
-:82: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#82: FILE: drivers/gpu/drm/i915/gvt/gtt.c:1826:
+		gvt_vgpu_err("fail to create ppgtt for pdp 0x%llx\n",
+				px_dma(&mm->ppgtt->pml4));

-:112: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#112: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2858:
+int intel_vgpu_g2v_pv_ppgtt_alloc_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[])

-:137: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#137: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2883:
+int intel_vgpu_g2v_pv_ppgtt_clear_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[])

-:165: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'end' - possible side-effects?
#165: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2911:
+#define pml4_addr_end(addr, end)					\
+({	unsigned long __boundary = \
+			((addr) + GEN8_PML4E_SIZE) & GEN8_PML4E_SIZE_MASK; \
+	(__boundary < (end)) ? __boundary : (end);		\
+})

-:171: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'end' - possible side-effects?
#171: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2917:
+#define pdp_addr_end(addr, end)						\
+({	unsigned long __boundary = \
+			((addr) + GEN8_PDPE_SIZE) & GEN8_PDPE_SIZE_MASK; \
+	(__boundary < (end)) ? __boundary : (end);		\
+})

-:177: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'end' - possible side-effects?
#177: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2923:
+#define pd_addr_end(addr, end)						\
+({	unsigned long __boundary = \
+			((addr) + GEN8_PDE_SIZE) & GEN8_PDE_SIZE_MASK;	\
+	(__boundary < (end)) ? __boundary : (end);		\
+})

-:190: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#190: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2936:
+static int walk_pt_range(struct intel_vgpu *vgpu, u64 pt,
+				u64 start, u64 end, struct ppgtt_walk *walk)

-:203: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#203: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2949:
+	ret = intel_gvt_hypervisor_read_gpa(vgpu,
+		(pt & PAGE_MASK) + (start_index << info->gtt_entry_size_shift),

-:224: CHECK:LINE_SPACING: Please don't use multiple blank lines
#224: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2970:
+
+

-:226: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#226: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2972:
+static int walk_pd_range(struct intel_vgpu *vgpu, u64 pd,
+				u64 start, u64 end, struct ppgtt_walk *walk)

-:238: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#238: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2984:
+		ret = intel_gvt_hypervisor_read_gpa(vgpu,
+			(pd & PAGE_MASK) + (index <<

-:251: CHECK:LINE_SPACING: Please don't use multiple blank lines
#251: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2997:
+
+

-:253: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#253: FILE: drivers/gpu/drm/i915/gvt/gtt.c:2999:
+static int walk_pdp_range(struct intel_vgpu *vgpu, u64 pdp,
+				  u64 start, u64 end, struct ppgtt_walk *walk)

-:265: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#265: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3011:
+		ret = intel_gvt_hypervisor_read_gpa(vgpu,
+			(pdp & PAGE_MASK) + (index <<

-:277: CHECK:LINE_SPACING: Please don't use multiple blank lines
#277: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3023:
+
+

-:279: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#279: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3025:
+static int walk_pml4_range(struct intel_vgpu *vgpu, u64 pml4,
+				u64 start, u64 end, struct ppgtt_walk *walk)

-:290: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#290: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3036:
+		ret = intel_gvt_hypervisor_read_gpa(vgpu,
+			(pml4 & PAGE_MASK) + (index <<

-:303: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#303: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3049:
+int intel_vgpu_g2v_pv_ppgtt_insert_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[])

-:337: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#337: FILE: drivers/gpu/drm/i915/gvt/gtt.c:3083:
+	walk.mfns = kmalloc_array(num_pages,
+			sizeof(unsigned long), GFP_KERNEL);

-:397: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#397: FILE: drivers/gpu/drm/i915/gvt/gtt.h:282:
+int intel_vgpu_g2v_pv_ppgtt_alloc_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[]);

-:400: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#400: FILE: drivers/gpu/drm/i915/gvt/gtt.h:285:
+int intel_vgpu_g2v_pv_ppgtt_clear_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[]);

-:403: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#403: FILE: drivers/gpu/drm/i915/gvt/gtt.h:288:
+int intel_vgpu_g2v_pv_ppgtt_insert_4lvl(struct intel_vgpu *vgpu,
+		u64 pdps[]);

-:413: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'vgpu' - possible side-effects?
#413: FILE: drivers/gpu/drm/i915/gvt/gvt.h:56:
+#define VGPU_PVCAP(vgpu, cap)	\
+	((vgpu_vreg_t(vgpu, vgtif_reg(pv_caps)) & (cap)) \
+			&& vgpu->shared_page_enabled)

-:415: CHECK:LOGICAL_CONTINUATIONS: Logical continuations should be on the previous line
#415: FILE: drivers/gpu/drm/i915/gvt/gvt.h:58:
+	((vgpu_vreg_t(vgpu, vgtif_reg(pv_caps)) & (cap)) \
+			&& vgpu->shared_page_enabled)

total: 0 errors, 0 warnings, 24 checks, 412 lines checked
fa6226cbb013 drm/i915/gvt: GVTg support context submission pv optimization
-:70: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#70: FILE: drivers/gpu/drm/i915/gvt/handlers.c:1708:
+	if (intel_gvt_read_shared_page(vgpu, pv_elsp_off,
+		&execlist->elsp_dwords.data, sizeof(struct pv_submission)))

total: 0 errors, 0 warnings, 1 checks, 67 lines checked

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