* Re: [PATCH 5/5] drm/i915: switch intel_wakeref_t underlying type to struct ref_tracker *
[not found] <067332b1f8679f940f373618fd24b1d03370ba45.1726658138.git.jani.nikula@intel.com>
@ 2024-09-18 16:23 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-18 16:23 UTC (permalink / raw)
To: Jani Nikula, intel-gfx, intel-xe; +Cc: llvm, oe-kbuild-all, jani.nikula
Hi Jani,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on next-20240918]
[cannot apply to drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.11]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jani-Nikula/drm-i915-gem-fix-bitwise-and-logical-AND-mixup/20240918-191938
base: https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link: https://lore.kernel.org/r/067332b1f8679f940f373618fd24b1d03370ba45.1726658138.git.jani.nikula%40intel.com
patch subject: [PATCH 5/5] drm/i915: switch intel_wakeref_t underlying type to struct ref_tracker *
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240919/202409190032.ZCHBxK9e-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240919/202409190032.ZCHBxK9e-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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409190032.ZCHBxK9e-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/i915/display/intel_display_power.c:548:10: warning: expression which evaluates to zero treated as a null pointer constant of type 'intel_wakeref_t' (aka 'struct ref_tracker *') [-Wnon-literal-null-conversion]
548 | return false;
| ^~~~~
1 warning generated.
vim +548 drivers/gpu/drm/i915/display/intel_display_power.c
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 525
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 526 /**
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 527 * intel_display_power_get_if_enabled - grab a reference for an enabled display power domain
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 528 * @dev_priv: i915 device instance
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 529 * @domain: power domain to reference
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 530 *
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 531 * This function grabs a power domain reference for @domain and ensures that the
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 532 * power domain and all its parents are powered up. Therefore users should only
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 533 * grab a reference to the innermost power domain they need.
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 534 *
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 535 * Any power domain reference obtained by this function must have a symmetric
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 536 * call to intel_display_power_put() to release the reference again.
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 537 */
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 538 intel_wakeref_t
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 539 intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv,
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 540 enum intel_display_power_domain domain)
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 541 {
e3e8148f43fb6d drivers/gpu/drm/i915/display/intel_display_power.c Jani Nikula 2022-08-29 542 struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 543 intel_wakeref_t wakeref;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 544 bool is_enabled;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 545
d858d5695f3897 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-06-13 546 wakeref = intel_runtime_pm_get_if_in_use(&dev_priv->runtime_pm);
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 547 if (!wakeref)
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 @548 return false;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 549
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 550 mutex_lock(&power_domains->lock);
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 551
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 552 if (__intel_display_power_is_enabled(dev_priv, domain)) {
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 553 __intel_display_power_get_domain(dev_priv, domain);
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 554 is_enabled = true;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 555 } else {
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 556 is_enabled = false;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 557 }
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 558
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 559 mutex_unlock(&power_domains->lock);
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 560
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 561 if (!is_enabled) {
d858d5695f3897 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-06-13 562 intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 563 wakeref = 0;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 564 }
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 565
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 566 return wakeref;
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 567 }
7645b19d9bdd13 drivers/gpu/drm/i915/intel_display_power.c Daniele Ceraolo Spurio 2019-05-31 568
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread