From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:213:24: sparse: sparse: not a function iter_start
Date: Sat, 19 Sep 2026 09:09:53 +0800 [thread overview]
Message-ID: <202609190910.AYvX7XC8-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "low confidence static check warning: drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:213:24: sparse: sparse: not a function iter_start"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Imre Deak <imre.deak@intel.com>
CC: "Michał Grzelak" <michal.grzelak@intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f259f446f5198d98e13756d2cd531812a0ad3064
commit: ee4c8f2e2a9ac8871a14c9a17e93d6647d5ff2c8 drm/i915/kunit: DP link: add baseline fixed table reference test
date: 2 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 2 months ago
config: i386-randconfig-1300-20260918 (https://download.01.org/0day-ci/archive/20260919/202609190910.AYvX7XC8-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260919/202609190910.AYvX7XC8-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: ee4c8f2e2a9a ("drm/i915/kunit: DP link: add baseline fixed table reference test")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202609190910.AYvX7XC8-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:213:24: sparse: sparse: not a function iter_start
>> drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:225:22: sparse: sparse: not a function iter_end
>> drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:236:20: sparse: sparse: not a function update
drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:278:59: sparse: sparse: not a function init
drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c:289:36: sparse: sparse: not a function cleanup
vim +213 drivers/gpu/drm/i915/display/tests/intel_dp_link_test.c
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 195
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 196 /*
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 197 * TEST: Baseline with fixed reference table
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 198 * -----------------------------------------
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 199 * Verify the link_caps config iterator using fixed standard DP config tables.
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 200 */
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 201 static void baseline_test_for_order(struct kunit *test,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 202 struct intel_dp_link_caps *link_caps,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 203 struct intel_dp_link_caps_order config_order)
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 204 {
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 205 struct test_ctx *ctx = test->priv;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 206 const struct link_config_set *config_set =
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 207 link_caps_config_order_key_to_set(test, config_order.key);
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 208 const struct intel_dp_link_caps_test_ops *ops = ctx->link_caps_ops;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 209 struct intel_dp_link_config iter_config;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 210 struct intel_dp_link_caps_iter iter;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 211 int pos = 0;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 212
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 @213 ops->iter_start(&iter, link_caps, config_order, INTEL_DP_LINK_CAPS_FILTER_ALL);
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 214 for_each_dp_link_config(&iter, &iter_config) {
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 215 int idx = pos;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 216
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 217 if (config_order.dir == INTEL_DP_LINK_CAPS_ORDER_DIR_DESC)
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 218 idx = config_set->size - idx - 1;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 219
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 220 KUNIT_EXPECT_TRUE(test, link_configs_match(&iter_config,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 221 &config_set->entries[idx]));
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 222
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 223 pos++;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 224 }
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 @225 ops->iter_end(&iter);
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 226 }
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 227
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 228 static void intel_dp_link_caps_test_baseline(struct kunit *test)
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 229 {
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 230 struct test_ctx *ctx = test->priv;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 231 struct intel_dp_link_caps *link_caps = ctx->dev.dig_port.dp.link.caps;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 232 const struct intel_dp_link_caps_test_ops *ops =
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 233 ctx->link_caps_ops;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 234 int i;
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 235
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 @236 ops->update(link_caps,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 237 standard_dp_link_rates, LINK_TEST_NUM_STANDARD_RATES,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 238 LINK_TEST_MAX_LANE_COUNT,
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 239 true);
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 240
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 241 for (i = 0; i < ARRAY_SIZE(config_orders); i++)
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 242 baseline_test_for_order(test, link_caps, config_orders[i]);
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 243 }
ee4c8f2e2a9ac8 Imre Deak 2026-07-07 244
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-19 1:10 UTC|newest]
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