Hello,
It looks like an unlock is missing on line 1279.
julia
---------- Forwarded message ----------
Date: Sun, 14 Apr 2019 03:36:18 +0800
From: kbuild test robot <lkp@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: Re: [PATCH] RFT drm/i915: Try setting the engine wa_list
from the ring
CC: kbuild-all@xxxxxx
In-Reply-To: <20190413072912.25173-1-chris@xxxxxxxxxxxxxxxxxx>
References: <20190413072912.25173-1-chris@xxxxxxxxxxxxxxxxxx>
TO: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
CC: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
CC:
Hi Chris,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[cannot apply to v5.1-rc4 next-20190412]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Chris-Wilson/RFT-drm-i915-Try-setting-the-engine-wa_list-from-the-ring/20190413-233429
base: git://anongit.freedesktop.org/drm-intel for-linux-next
:::::: branch date: 4 hours ago
:::::: commit date: 4 hours ago
>> drivers/gpu/drm/i915/intel_workarounds.c:1279:3-9: preceding lock on line 1268
# https://github.com/0day-ci/linux/commit/f86cba74731bd06ab80ba0bb487eda2196300165
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout f86cba74731bd06ab80ba0bb487eda2196300165
vim +1279 drivers/gpu/drm/i915/intel_workarounds.c
4a15c75c Tvrtko Ursulin 2018-12-03 1252
f86cba74 Chris Wilson 2019-04-13 1253 static int
f86cba74 Chris Wilson 2019-04-13 1254 wa_list_lri(struct i915_request *rq, const struct i915_wa_list *wal)
4a15c75c Tvrtko Ursulin 2018-12-03 1255 {
f86cba74 Chris Wilson 2019-04-13 1256 struct intel_uncore *uncore = rq->engine->uncore;
f86cba74 Chris Wilson 2019-04-13 1257 struct i915_wa *wa = wal->list;
f86cba74 Chris Wilson 2019-04-13 1258 unsigned int rem = wal->count;
f86cba74 Chris Wilson 2019-04-13 1259 enum forcewake_domains fw;
f86cba74 Chris Wilson 2019-04-13 1260 unsigned long flags;
f86cba74 Chris Wilson 2019-04-13 1261
f86cba74 Chris Wilson 2019-04-13 1262 if (!rem)
f86cba74 Chris Wilson 2019-04-13 1263 return 0;
f86cba74 Chris Wilson 2019-04-13 1264
f86cba74 Chris Wilson 2019-04-13 1265 fw = wal_get_fw_for_rmw(uncore, wal);
f86cba74 Chris Wilson 2019-04-13 1266
f86cba74 Chris Wilson 2019-04-13 1267 intel_uncore_forcewake_get__locked(uncore, fw);
f86cba74 Chris Wilson 2019-04-13 @1268 spin_lock_irqsave(&uncore->lock, flags);
f86cba74 Chris Wilson 2019-04-13 1269
f86cba74 Chris Wilson 2019-04-13 1270 do {
f86cba74 Chris Wilson 2019-04-13 1271 unsigned int count;
f86cba74 Chris Wilson 2019-04-13 1272 u32 *cs;
f86cba74 Chris Wilson 2019-04-13 1273
f86cba74 Chris Wilson 2019-04-13 1274 count = min(rem, 100u);
f86cba74 Chris Wilson 2019-04-13 1275 rem -= count;
f86cba74 Chris Wilson 2019-04-13 1276
f86cba74 Chris Wilson 2019-04-13 1277 cs = intel_ring_begin(rq, 2 * count + 2);
f86cba74 Chris Wilson 2019-04-13 1278 if (IS_ERR(cs))
f86cba74 Chris Wilson 2019-04-13 @1279 return PTR_ERR(cs);
f86cba74 Chris Wilson 2019-04-13 1280
f86cba74 Chris Wilson 2019-04-13 1281 *cs++ = MI_LOAD_REGISTER_IMM(count);
f86cba74 Chris Wilson 2019-04-13 1282 while (count--) {
f86cba74 Chris Wilson 2019-04-13 1283 u32 val = intel_uncore_read_fw(uncore, wa->reg);
f86cba74 Chris Wilson 2019-04-13 1284
f86cba74 Chris Wilson 2019-04-13 1285 *cs++ = i915_mmio_reg_offset(wa->reg);
f86cba74 Chris Wilson 2019-04-13 1286 *cs++ = (val & ~wa->mask) | wa->val;
f86cba74 Chris Wilson 2019-04-13 1287
f86cba74 Chris Wilson 2019-04-13 1288 wa++;
f86cba74 Chris Wilson 2019-04-13 1289 }
f86cba74 Chris Wilson 2019-04-13 1290 *cs++ = MI_NOOP;
f86cba74 Chris Wilson 2019-04-13 1291
f86cba74 Chris Wilson 2019-04-13 1292 intel_ring_advance(rq, cs);
f86cba74 Chris Wilson 2019-04-13 1293 } while (rem);
f86cba74 Chris Wilson 2019-04-13 1294
f86cba74 Chris Wilson 2019-04-13 1295 intel_uncore_forcewake_put__locked(uncore, fw);
f86cba74 Chris Wilson 2019-04-13 1296 spin_unlock_irqrestore(&uncore->lock, flags);
f86cba74 Chris Wilson 2019-04-13 1297
f86cba74 Chris Wilson 2019-04-13 1298 return 0;
f86cba74 Chris Wilson 2019-04-13 1299 }
f86cba74 Chris Wilson 2019-04-13 1300
---
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