[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/guc/slpc: Enable GuC based power management features

Patchwork patchwork at emeril.freedesktop.org
Mon Jul 26 19:34:46 UTC 2021 

== Series Details ==

Series: drm/i915/guc/slpc: Enable GuC based power management features
URL   : https://patchwork.freedesktop.org/series/93026/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
e739b51dc573 drm/i915/guc: SQUASHED PATCH - DO NOT REVIEW
-:54: WARNING:BAD_SIGN_OFF: Duplicate signature
#54: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#74: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#83: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#84: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#99: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#101: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#111: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#112: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#121: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#122: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#150: 
Cc: John Harrison <john.c.harrison at intel.com>

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#151: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#159: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#160: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#168: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#169: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#170: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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Cc: John Harrison <john.c.harrison at intel.com>

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Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#213: 
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#234: 
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#235: 
CC: John Harrison <John.C.Harrison at Intel.com>

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#236: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#250: 
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#251: 
Signed-off-by: Fernando Pacheco <fernando.pacheco at intel.com>

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#252: 
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#253: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#255: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#266: 
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#267: 
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#275: 
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#276: 
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#290: 
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#291: 
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#308: 
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#309: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#310: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#321: 
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#322: 
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#323: 
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#342: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#343: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#350: 
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#351: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#352: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#366: 
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>

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#367: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#368: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#375: 
Cc: John Harrison <John.C.Harrison at Intel.com>

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#376: 
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#377: 
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>

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#400: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#401: 
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

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#409: 
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#410: 
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#411: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#412: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#421: 
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>

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#422: 
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#423: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#424: 
Cc: Matthew Brost <matthew.brost at intel.com>

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#425: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#433: 
Signed-off-by: Rahul Kumar Singh <rahul.kumar.singh at intel.com>

-:434: WARNING:BAD_SIGN_OFF: Duplicate signature
#434: 
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>

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#435: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#436: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#437: 
Cc: Matthew Brost <matthew.brost at intel.com>

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#438: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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#445: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#470: 
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#471: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#472: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

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Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#474: 
Cc: Matthew Brost <matthew.brost at intel.com>

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#494: 
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>

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#495: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

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#496: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

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#497: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

-:526: WARNING:BAD_SIGN_OFF: Duplicate signature
#526: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

-:527: WARNING:BAD_SIGN_OFF: Duplicate signature
#527: 
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

-:528: WARNING:BAD_SIGN_OFF: Duplicate signature
#528: 
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

-:539: WARNING:BAD_SIGN_OFF: Duplicate signature
#539: 
Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>

-:541: WARNING:BAD_SIGN_OFF: Duplicate signature
#541: 
Signed-off-by: Matthew Brost <matthew.brost at intel.com>

-:542: WARNING:BAD_SIGN_OFF: Duplicate signature
#542: 
Reviewed-by: Matthew Brost <matthew.brost at intel.com>

-:3292: WARNING:LONG_LINE: line length of 105 exceeds 100 columns
#3292: FILE: drivers/gpu/drm/i915/gt/selftest_workarounds.c:814:
+								   SELFTEST_SCHEDULER_MODIFY_FAST_RESET);

-:4544: CHECK:BRACES: braces {} should be used on all arms of this statement
#4544: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:545:
+		if (unlikely(ret == -EPIPE))
[...]
+		else if (ret == -EBUSY) {
[...]

-:6683: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'i915' - possible side-effects?
#6683: FILE: drivers/gpu/drm/i915/i915_debugfs_params.c:17:
+#define GET_I915(i915, name, ptr)	\
+	do {	\
+		struct i915_params *params;	\
+		params = container_of(((void *)(ptr)), typeof(*params), name);	\
+		(i915) = container_of(params, typeof(*(i915)), params);	\
+	} while (0)

-:7322: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#7322: 
new file mode 100644

total: 0 errors, 94 warnings, 2 checks, 6414 lines checked
b1eed2ee0dd1 drm/i915/guc/slpc: Initial definitions for SLPC
-:12: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#12: 
template for SLPC structure in intel_guc_slpc_types.h. Fix copyright (Michal W)

-:26: WARNING:BAD_SIGN_OFF: Duplicate signature
#26: 
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>

-:27: WARNING:BAD_SIGN_OFF: Duplicate signature
#27: 
Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan at intel.com>

-:91: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#91: 
new file mode 100644

total: 0 errors, 4 warnings, 0 checks, 167 lines checked
9f75f622e733 drm/i915/guc/slpc: Gate Host RPS when SLPC is enabled
c60f3b51410d drm/i915/guc/slpc: Adding SLPC communication interfaces
-:31: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#31: 
new file mode 100644

-:101: WARNING:LONG_LINE: line length of 104 exceeds 100 columns
#101: FILE: drivers/gpu/drm/i915/gt/uc/abi/guc_actions_slpc_abi.h:66:
+		+ (SLPC_CACHELINE_SIZE_BYTES-1)) / SLPC_CACHELINE_SIZE_BYTES)*SLPC_CACHELINE_SIZE_BYTES)

-:101: CHECK:SPACING: spaces preferred around that '-' (ctx:VxV)
#101: FILE: drivers/gpu/drm/i915/gt/uc/abi/guc_actions_slpc_abi.h:66:
+		+ (SLPC_CACHELINE_SIZE_BYTES-1)) / SLPC_CACHELINE_SIZE_BYTES)*SLPC_CACHELINE_SIZE_BYTES)
 		                            ^

-:101: CHECK:SPACING: spaces preferred around that '*' (ctx:VxV)
#101: FILE: drivers/gpu/drm/i915/gt/uc/abi/guc_actions_slpc_abi.h:66:
+		+ (SLPC_CACHELINE_SIZE_BYTES-1)) / SLPC_CACHELINE_SIZE_BYTES)*SLPC_CACHELINE_SIZE_BYTES)
 		                                                             ^

-:219: WARNING:SPACING: space prohibited before semicolon
#219: FILE: drivers/gpu/drm/i915/gt/uc/abi/guc_actions_slpc_abi.h:184:
+	struct slpc_override_params override_params ;

-:266: CHECK:CAMELCASE: Avoid CamelCase: <GUC_HXG_REQUEST_MSG_n_DATAn>
#266: FILE: drivers/gpu/drm/i915/gt/uc/abi/guc_actions_slpc_abi.h:231:
+#define HOST2GUC_PC_SLPC_REQUEST_MSG_n_EVENT_DATAn	GUC_HXG_REQUEST_MSG_n_DATAn

-:309: ERROR:SPACING: space required after that ',' (ctx:VxV)
#309: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h:146:
+#define SLPC_EVENT(id,c) (\
                      ^

-:311: ERROR:SPACING: space prohibited before that close parenthesis ')'
#311: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h:148:
+FIELD_PREP(HOST2GUC_PC_SLPC_REQUEST_MSG_1_EVENT_ARGC, c ) \

total: 2 errors, 3 warnings, 3 checks, 276 lines checked
dfa70375b4e0 drm/i915/guc/slpc: Allocate, initialize and release SLPC
b263a074ec5f drm/i915/guc/slpc: Enable SLPC and add related H2G events
-:32: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#32: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:49:
+static void slpc_mem_set_param(struct slpc_shared_data *data,
+				u32 id, u32 value)

-:44: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#44: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:61:
+static void slpc_mem_set_enabled(struct slpc_shared_data *data,
+				u8 enable_id, u8 disable_id)

-:55: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#55: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:72:
+static void slpc_mem_set_disabled(struct slpc_shared_data *data,
+				u8 enable_id, u8 disable_id)

-:93: ERROR:CODE_INDENT: code indent should use tabs where possible
#93: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:121:
+ ^I^ISLPC_EVENT(SLPC_EVENT_QUERY_TASK_STATE, 2),$

-:93: WARNING:SPACE_BEFORE_TAB: please, no space before tabs
#93: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:121:
+ ^I^ISLPC_EVENT(SLPC_EVENT_QUERY_TASK_STATE, 2),$

-:93: WARNING:LEADING_SPACE: please, no spaces at the start of a line
#93: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:121:
+ ^I^ISLPC_EVENT(SLPC_EVENT_QUERY_TASK_STATE, 2),$

-:114: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#114: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:142:
+		drm_err(&i915->drm, "Query task state data returned (%pe)\n",
+				ERR_PTR(ret));

-:187: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#187: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:215:
+			drm_err(&i915->drm, "SLPC not enabled! State = %s\n",
+				  slpc_get_state_string(slpc));

-:208: CHECK:OPEN_ENDED_LINE: Lines should not end with a '('
#208: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:236:
+	return	DIV_ROUND_CLOSEST(

-:210: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#210: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:238:
+		REG_FIELD_GET(SLPC_MIN_UNSLICE_FREQ_MASK,
+			data->task_state_data.freq) *

-:220: CHECK:OPEN_ENDED_LINE: Lines should not end with a '('
#220: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:248:
+	return	DIV_ROUND_CLOSEST(

-:222: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#222: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:250:
+		REG_FIELD_GET(SLPC_MAX_UNSLICE_FREQ_MASK,
+			data->task_state_data.freq) *

-:254: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#254: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:282:
+	slpc_mem_set_enabled(data, SLPC_PARAM_TASK_ENABLE_GTPERF,
+				SLPC_PARAM_TASK_DISABLE_GTPERF);

-:257: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#257: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:285:
+	slpc_mem_set_disabled(data, SLPC_PARAM_TASK_ENABLE_BALANCER,
+				SLPC_PARAM_TASK_DISABLE_BALANCER);

-:260: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#260: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:288:
+	slpc_mem_set_disabled(data, SLPC_PARAM_TASK_ENABLE_DCC,
+				SLPC_PARAM_TASK_DISABLE_DCC);

-:265: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#265: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:293:
+		drm_err(&i915->drm, "SLPC Reset event returned (%pe)\n",
+				ERR_PTR(ret));

-:275: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#275: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:303:
+	drm_info(&i915->drm, "SLPC min freq: %u Mhz, max is %u Mhz\n",
+			slpc_decode_min_freq(slpc),

-:278: CHECK:LINE_SPACING: Please don't use multiple blank lines
#278: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:306:
+
+

total: 1 errors, 2 warnings, 15 checks, 283 lines checked
c60c975349d2 drm/i915/guc/slpc: Remove BUG_ON in guc_submission_disable
ab9599b22ee7 drm/i915/guc/slpc: Add methods to set min/max frequency
-:88: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#88: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:296:
+		ret = slpc_set_param(slpc,
+			       SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ,

-:120: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#120: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:328:
+		ret = slpc_set_param(slpc,
+			       SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ,

total: 0 errors, 0 warnings, 2 checks, 120 lines checked
9fda8c1773ef drm/i915/guc/slpc: Add get max/min freq hooks
8772da814cc8 drm/i915/guc/slpc: Add debugfs for SLPC info
-:88: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#88: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:469:
+			drm_printf(p, "\tGTPERF task active: %s\n",
+				yesno(slpc_tasks->status & SLPC_GTPERF_TASK_ENABLED));

-:90: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#90: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:471:
+			drm_printf(p, "\tMax freq: %u MHz\n",
+					slpc_decode_max_freq(slpc));

-:92: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#92: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:473:
+			drm_printf(p, "\tMin freq: %u MHz\n",
+					slpc_decode_min_freq(slpc));

total: 0 errors, 0 warnings, 3 checks, 95 lines checked
98238144dd09 drm/i915/guc/slpc: Enable ARAT timer interrupt
-:31: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#31: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:406:
+	intel_uncore_rmw(gt->uncore,
+			   GEN6_PMINTRMSK, pm_intrmsk_mbz, 0);

total: 0 errors, 0 warnings, 1 checks, 61 lines checked
edec3303a3f8 drm/i915/guc/slpc: Cache platform frequency limits
-:47: CHECK:LINE_SPACING: Please don't use multiple blank lines
#47: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:141:
+
+

-:56: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#56: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:189:
+static int slpc_unset_param(struct intel_guc_slpc *slpc,
+				u8 id)

-:84: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#84: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:446:
+		ret = intel_guc_slpc_set_max_freq(slpc,
+					slpc->max_freq_softlimit);

-:90: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#90: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:452:
+		ret = intel_guc_slpc_set_min_freq(slpc,
+					slpc->min_freq_softlimit);

-:100: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#100: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:462:
+		slpc_set_param(slpc,
+		   SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY,

-:103: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#103: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:465:
+		slpc_set_param(slpc,
+		   SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ,

-:107: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#107: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:469:
+		slpc_unset_param(slpc,
+		   SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY);

-:109: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#109: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:471:
+		slpc_unset_param(slpc,
+		   SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ);

-:117: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#117: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:479:
+	slpc_set_param(slpc,
+	   SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ,

-:152: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#152: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:554:
+		drm_err(&i915->drm, "Failed to set SLPC softlimits (%pe)\n",
+					ERR_PTR(ret));

total: 0 errors, 0 warnings, 10 checks, 164 lines checked
8ed3bd759132 drm/i915/guc/slpc: Sysfs hooks for SLPC
-:134: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#134: FILE: drivers/gpu/drm/i915/gt/intel_rps.c:2060:
+		drm_dbg(&i915->drm, "User requested overclocking to %d\n",
+			  intel_gpu_freq(rps, val));

-:235: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val < slpc->min_freq'
#235: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:319:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val < slpc->min_freq_softlimit))

-:235: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val > slpc->rp0_freq'
#235: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:319:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val < slpc->min_freq_softlimit))

-:235: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val < slpc->min_freq_softlimit'
#235: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:319:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val < slpc->min_freq_softlimit))

-:256: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val < slpc->min_freq'
#256: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:385:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val > slpc->max_freq_softlimit))

-:256: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val > slpc->rp0_freq'
#256: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:385:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val > slpc->max_freq_softlimit))

-:256: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'val > slpc->max_freq_softlimit'
#256: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:385:
+	if ((val < slpc->min_freq) ||
+	    (val > slpc->rp0_freq) ||
+	    (val > slpc->max_freq_softlimit))

-:294: WARNING:SPACE_BEFORE_TAB: please, no space before tabs
#294: FILE: drivers/gpu/drm/i915/i915_reg.h:9243:
+#define   GEN9_SW_REQ_UNSLICE_RATIO_SHIFT ^I23$

total: 0 errors, 1 warnings, 7 checks, 371 lines checked
025f555a3e2e drm/i915/guc/slpc: Add SLPC selftest
-:30: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#30: 
new file mode 100644

-:66: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#66: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:32:
+		pr_err("Could not set maximum frequency [%u]\n",
+			freq);

-:128: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#128: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:94:
+			rq = igt_spinner_create_request(&spin,
+					engine->kernel_context,

-:140: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#140: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:106:
+				pr_err("%s: Spinner did not start\n",
+					engine->name);

-:156: CHECK:SPACING: spaces preferred around that '/' (ctx:VxV)
#156: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:122:
+			if (req_freq < (min_freq - 50/3)) {
 			                             ^

-:158: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#158: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:124:
+				pr_err("SWReq is %d, should be at least %d\n", req_freq,
+					min_freq - 50/3);

-:158: CHECK:SPACING: spaces preferred around that '/' (ctx:VxV)
#158: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:124:
+					min_freq - 50/3);
 					             ^

-:174: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#174: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:140:
+		pr_info("Max actual frequency for %s was %d\n",
+				engine->name, max_act_freq);

-:259: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#259: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:225:
+			rq = igt_spinner_create_request(&spin,
+						engine->kernel_context,

-:285: CHECK:SPACING: spaces preferred around that '/' (ctx:VxV)
#285: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:251:
+			if (req_freq > (max_freq + 50/3)) {
 			                             ^

-:287: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#287: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:253:
+				pr_err("SWReq is %d, should be at most %d\n", req_freq,
+					max_freq + 50/3);

-:287: CHECK:SPACING: spaces preferred around that '/' (ctx:VxV)
#287: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:253:
+					max_freq + 50/3);
 					             ^

-:306: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#306: FILE: drivers/gpu/drm/i915/gt/selftest_slpc.c:272:
+		pr_info("Max actual frequency for %s was %d\n",
+				engine->name, max_act_freq);

total: 0 errors, 1 warnings, 12 checks, 334 lines checked
bd5302518b8e drm/i915/guc/rc: Setup and enable GUCRC feature
-:124: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#124: 
new file mode 100644

-:182: WARNING:ENOTSUPP: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#182: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c:54:
+		return -ENOTSUPP;

-:195: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#195: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_rc.c:67:
+	drm_info(&gt->i915->drm, "GuC RC: %s\n",
+		enableddisabled(enable));

total: 0 errors, 2 warnings, 1 checks, 199 lines checked

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