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:213:24: sparse: sparse: not a function iter_start

[kernel test robot]

:::::: 
:::::: 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  

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