✗ Fi.CI.CHECKPATCH: warning for series starting with [01/11] drm/i915: Be irqsafe inside reset

From: Patchwork <patchwork@emeril.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/11] drm/i915: Be irqsafe inside reset
Date: Thu, 31 May 2018 19:30:56 -0000	[thread overview]
Message-ID: <20180531193056.8623.40175@emeril.freedesktop.org> (raw)
In-Reply-To: <20180531185204.19520-1-chris@chris-wilson.co.uk>

== Series Details ==

Series: series starting with [01/11] drm/i915: Be irqsafe inside reset
URL   : https://patchwork.freedesktop.org/series/44041/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
1ba6410ddc51 drm/i915: Be irqsafe inside reset
14fd12cfeba8 drm/i915/execlists: Reset the CSB head tracking on reset/sanitization
-:41: WARNING:LONG_LINE: line over 100 characters
#41: FILE: drivers/gpu/drm/i915/intel_lrc.c:979:
+				(i915->regs + i915_mmio_reg_offset(RING_CONTEXT_STATUS_BUF_LO(engine, 0)));

total: 0 errors, 1 warnings, 0 checks, 42 lines checked
f0a4fe328767 drm/i915/execlists: Pull submit after dequeue under timeline lock
a70428062fe9 drm/i915/execlists: Pull CSB reset under the timeline.lock
ae196ee5aeae drm/i915/execlists: Process one CSB interrupt at a time
-:35: WARNING:MEMORY_BARRIER: memory barrier without comment
#35: FILE: drivers/gpu/drm/i915/intel_lrc.c:966:
+	smp_mb__after_atomic();

-:77: WARNING:LONG_LINE: line over 100 characters
#77: FILE: drivers/gpu/drm/i915/intel_lrc.c:990:
+		  head, GEN8_CSB_READ_PTR(readl(i915->regs + i915_mmio_reg_offset(RING_CONTEXT_STATUS_PTR(engine)))), fw ? "" : "?",

-:78: WARNING:LONG_LINE: line over 100 characters
#78: FILE: drivers/gpu/drm/i915/intel_lrc.c:991:
+		  tail, GEN8_CSB_WRITE_PTR(readl(i915->regs + i915_mmio_reg_offset(RING_CONTEXT_STATUS_PTR(engine)))), fw ? "" : "?");

-:140: CHECK:SPACING: spaces preferred around that '*' (ctx:VxV)
#140: FILE: drivers/gpu/drm/i915/intel_lrc.c:1022:
+			  status, buf[2*head + 1],
 			               ^

-:176: CHECK:SPACING: spaces preferred around that '*' (ctx:VxV)
#176: FILE: drivers/gpu/drm/i915/intel_lrc.c:1040:
+		    buf[2*head + 1] == execlists->preempt_complete_status) {
 		         ^

total: 0 errors, 3 warnings, 2 checks, 301 lines checked
cedc7a7c2b86 drm/i915/execlists: Unify CSB access pointers
3050c9d29fb3 drm/i915/execlists: Direct submission of new requests (avoid tasklet/ksoftirqd)
-:27: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#27: 
Comparing the impact on the maximum latency observed (that is the time stolen

-:100: ERROR:GIT_COMMIT_ID: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 27af5eea54d1 ("drm/i915: Move execlists irq handler to a bottom half")'
#100: 
References: 27af5eea54d1 ("drm/i915: Move execlists irq handler to a bottom half")

total: 1 errors, 1 warnings, 0 checks, 358 lines checked
0e1792ea6ee9 drm/i915: Move rate-limiting request retire to after submission
91807ea0b483 drm/i915: Wait for engines to idle before retiring
cda0eeead5d8 drm/i915: Move engine request retirement to intel_engine_cs
d0aacc9e35bd drm/i915: Hold request reference for submission until retirement

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