[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/23] drm/i915: Reduce context HW ID lifetime

Tue Sep 4 22:10:53 UTC 2018

== Series Details ==

Series: series starting with [01/23] drm/i915: Reduce context HW ID lifetime
URL   : https://patchwork.freedesktop.org/series/49157/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
d7ddd5a81ce5 drm/i915: Reduce context HW ID lifetime
-:61: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#61: FILE: drivers/gpu/drm/i915/i915_drv.h:1864:
+		struct mutex mutex;

total: 0 errors, 0 warnings, 1 checks, 433 lines checked
12f688340874 drm/i915/execlists: Avoid kicking priority on the current context
-:49: ERROR:SPACING: space prohibited after that open parenthesis '('
#49: FILE: drivers/gpu/drm/i915/intel_guc_submission.c:774:
+	if ( __guc_dequeue(engine))

total: 1 errors, 0 warnings, 0 checks, 103 lines checked
0dc2e7376733 drm/i915: Missed interrupt simulation is no more, tell the world
3612d9a0f807 drm/i915/selftests: Basic stress test for rapid context switching
-:120: WARNING:ALLOC_ARRAY_ARGS: kcalloc uses number as first arg, sizeof is generally wrong
#120: FILE: drivers/gpu/drm/i915/selftests/i915_gem_context.c:127:
+	ctx = kcalloc(sizeof(*ctx), nctx, GFP_KERNEL);

total: 0 errors, 1 warnings, 0 checks, 203 lines checked
c57b5226773f drm/i915/execlists: Delay updating ring register state after resume
-:68: CHECK:SPACING: spaces preferred around that '+' (ctx:VxV)
#68: FILE: drivers/gpu/drm/i915/intel_lrc.c:2891:
+				ce->lrc_reg_state[CTX_RING_HEAD+1] = 0;
 				                               ^

-:69: CHECK:SPACING: spaces preferred around that '+' (ctx:VxV)
#69: FILE: drivers/gpu/drm/i915/intel_lrc.c:2892:
+				ce->lrc_reg_state[CTX_RING_TAIL+1] = 0;
 				                               ^

total: 0 errors, 0 warnings, 2 checks, 52 lines checked
eded3ed0adbe drm/i915/execlists: Use coherent writes into the context image
-:56: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#56: FILE: drivers/gpu/drm/i915/i915_perf.c:1851:
+		regs = i915_gem_object_pin_map(ce->state->obj,
+					      i915_coherent_map_type(dev_priv));

total: 0 errors, 0 warnings, 1 checks, 71 lines checked
47868ad3229b drm/i915/execlists: Onion unwind for logical_ring_init() failure
3d1e691c76dc drm/i915: Report the number of closed vma held by each context in debugfs
-:43: WARNING:LONG_LINE: line over 100 characters
#43: FILE: drivers/gpu/drm/i915/i915_debugfs.c:350:
+		seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound, %llu closed)\n", \

total: 0 errors, 1 warnings, 0 checks, 169 lines checked
76d02ab168e3 drm/i915: Remove debugfs/i915_ppgtt_info
85f92b3ad0b5 drm/i915/execlists: Assert the queue is non-empty on unsubmitting
-:9: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#9: 
<0>[  531.960431] drv_self-4806    7.... 527402570us : intel_gpu_reset: engine_mask=1, ret=0, retry=0

total: 0 errors, 1 warnings, 0 checks, 7 lines checked
79bd577c5774 drm/i915: Handle incomplete Z_FINISH for compressed error states
0c32e06efa4a drm/i915: Clear the error PTE just once on finish
fa0b7f94b44a drm/i915: Cache the error string
f5e5e1732bd4 drm/i915: Attach the pci match data to the device upon creation
-:83: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()
#83: FILE: drivers/gpu/drm/i915/i915_drv.c:1353:
+	BUG_ON(device_info->gen > sizeof(device_info->gen_mask) * BITS_PER_BYTE);

total: 0 errors, 1 warnings, 0 checks, 107 lines checked
c8b527abd7f5 drm/i915: Track all held rpm wakerefs
-:105: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
#105: FILE: drivers/gpu/drm/i915/i915_drv.h:1293:
+	spinlock_t debug_lock;

total: 0 errors, 0 warnings, 1 checks, 571 lines checked
0e5cd2856b69 drm/i915: Markup paired operations on wakerefs
-:707: WARNING:NEW_TYPEDEFS: do not add new typedefs
#707: FILE: drivers/gpu/drm/i915/i915_drv.h:130:
+typedef depot_stack_handle_t intel_wakeref_t;

total: 0 errors, 1 warnings, 0 checks, 1970 lines checked
011f0dab532a drm/i915: Syntatic sugar for using intel_runtime_pm
-:491: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'i915' - possible side-effects?
#491: FILE: drivers/gpu/drm/i915/intel_drv.h:2062:
+#define with_intel_runtime_pm(i915, wf) \
+	for (wf = intel_runtime_pm_get(i915); wf; \
+	     intel_runtime_pm_put(i915, wf), wf = 0)

-:491: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'wf' - possible side-effects?
#491: FILE: drivers/gpu/drm/i915/intel_drv.h:2062:
+#define with_intel_runtime_pm(i915, wf) \
+	for (wf = intel_runtime_pm_get(i915); wf; \
+	     intel_runtime_pm_put(i915, wf), wf = 0)

-:495: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'i915' - possible side-effects?
#495: FILE: drivers/gpu/drm/i915/intel_drv.h:2066:
+#define with_intel_runtime_pm_if_in_use(i915, wf) \
+	for (wf = intel_runtime_pm_get_if_in_use(i915); wf; \
+	     intel_runtime_pm_put(i915, wf), wf = 0)

-:495: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'wf' - possible side-effects?
#495: FILE: drivers/gpu/drm/i915/intel_drv.h:2066:
+#define with_intel_runtime_pm_if_in_use(i915, wf) \
+	for (wf = intel_runtime_pm_get_if_in_use(i915); wf; \
+	     intel_runtime_pm_put(i915, wf), wf = 0)

total: 0 errors, 0 warnings, 4 checks, 569 lines checked
1f950437390d drm/i915: Markup paired operations on display power domains
-:31: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis
#31: FILE: drivers/gpu/drm/i915/i915_debugfs.c:634:
+		wakeref = intel_display_power_get_if_enabled(dev_priv,
+							power_domain);

total: 0 errors, 0 warnings, 1 checks, 1400 lines checked
bfb58f028bc8 drm/i915: Track the wakeref used to initialise display power domains
-:207: WARNING:LINE_SPACING: Missing a blank line after declarations
#207: FILE: drivers/gpu/drm/i915/intel_runtime_pm.c:4112:
+	struct i915_power_domains *power_domains = &i915->power_domains;
+	intel_wakeref_t wakeref __maybe_unused =

-:224: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "i915->csr.dmc_payload"
#224: FILE: drivers/gpu/drm/i915/intel_runtime_pm.c:4126:
+	    i915->csr.dmc_payload != NULL) {

total: 0 errors, 1 warnings, 1 checks, 320 lines checked
d467de58f069 drm/i915/dp: Markup pps lock power well
-:50: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'dp' - possible side-effects?
#50: FILE: drivers/gpu/drm/i915/intel_dp.c:681:
+#define with_pps_lock(dp, wf) \
+	for (wf = pps_lock(dp); wf; wf = pps_unlock(dp, wf))

-:50: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'wf' - possible side-effects?
#50: FILE: drivers/gpu/drm/i915/intel_dp.c:681:
+#define with_pps_lock(dp, wf) \
+	for (wf = pps_lock(dp); wf; wf = pps_unlock(dp, wf))

total: 0 errors, 0 warnings, 2 checks, 423 lines checked
0815d4eecb58 drm/i915: Complain if hsw_get_pipe_config acquires the same power well twice
318b8a7e9da4 drm/i915: Mark up Ironlake ips with rpm wakerefs
-:210: CHECK:MULTIPLE_ASSIGNMENTS: multiple assignments should be avoided
#210: FILE: drivers/gpu/drm/i915/intel_pm.c:7970:
+	chipset_val = graphics_val = 0;

total: 0 errors, 0 warnings, 1 checks, 318 lines checked
839f4ddf3d71 drm/i915: Serialise concurrent calls to i915_gem_set_wedged()
-:48: WARNING:MEMORY_BARRIER: memory barrier without comment
#48: FILE: drivers/gpu/drm/i915/i915_gem.c:3403:
+	smp_mb__before_atomic();

total: 0 errors, 1 warnings, 0 checks, 107 lines checked