Re: [PATCH v2 2/2] drm/i915: Use to_root_gt() to refer to the root tile

Tuesday, 23 November 2021

In-Reply-To: <20211121133416.36012-3-andi.shyti(a)linux.intel.com&gt;
References: <20211121133416.36012-3-andi.shyti(a)linux.intel.com&gt;
TO: Andi Shyti <andi.shyti(a)linux.intel.com&gt;
TO: Intel GFX <intel-gfx(a)lists.freedesktop.org&gt;
TO: DRI Devel <dri-devel(a)lists.freedesktop.org&gt;
CC: "MichalłWiniarski" <michal.winiarski(a)intel.com&gt;
CC: Andi Shyti <andi(a)etezian.org&gt;
CC: Tvrtko Ursulin <tvrtko.ursulin(a)intel.com&gt;
CC: Lucas De Marchi <lucas.demarchi(a)intel.com&gt;
CC: Chris Wilson <chris(a)chris-wilson.co.uk&gt;
CC: Rodrigo Vivi <rodrigo.vivi(a)intel.com&gt;

Hi Andi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on next-20211118]
[cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next drm/drm-next
v5.16-rc2]
[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]

url:   
https://github.com/0day-ci/linux/commits/Andi-Shyti/More-preparation-for-...
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a004-20211122 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
c133fb321f7ca6083ce15b6aa5bf89de6600e649)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
        chmod +x ~/bin/make.cross
        #
https://github.com/0day-ci/linux/commit/068a75571292e317e35752c1b078605dd...
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review
Andi-Shyti/More-preparation-for-multi-gt-patches/20211121-213526
        git checkout 068a75571292e317e35752c1b078605dda122741
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=x86_64 SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/i915/i915_irq.c:37:
   In file included from drivers/gpu/drm/i915/display/intel_de.h:9:
   drivers/gpu/drm/i915/i915_drv.h:1756:1: warning: all paths through this function will
call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.
...
> drivers/gpu/drm/i915/i915_irq.o: warning: objtool:
intel_irq_init() falls through to next function ivb_parity_work()
> drivers/gpu/drm/i915/i915_irq.o: warning: objtool: intel_irq_postinstall() falls
through to next function intel_irq_uninstall()
> drivers/gpu/drm/i915/i915_irq.o: warning: objtool: i965_irq_handler() falls through
to next function i915_irq_handler()
> drivers/gpu/drm/i915/i915_irq.o: warning: objtool: i8xx_irq_handler() falls through
to next function dg1_irq_handler() --
   In file included from drivers/gpu/drm/i915/gt/intel_rps.c:8:
   drivers/gpu/drm/i915/i915_drv.h:1756:1: warning: all paths through this function will
call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.
...
> drivers/gpu/drm/i915/gt/intel_rps.o: warning: objtool:
i915_read_mch_val() falls through to next function mchdev_get() --
   In file included from drivers/gpu/drm/i915/i915_gem.c:44:
   In file included from drivers/gpu/drm/i915/gem/i915_gem_context.h:12:
   In file included from drivers/gpu/drm/i915/gt/intel_context.h:14:
   drivers/gpu/drm/i915/i915_drv.h:1756:1: warning: all paths through this function will
call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.
...
> drivers/gpu/drm/i915/i915_gem.o: warning: objtool:
i915_gem_init() falls through to next function to_root_gt()
> drivers/gpu/drm/i915/i915_gem.o: warning: objtool: i915_gem_driver_release() falls
through to next function i915_gem_init_early() --
   In file included from drivers/gpu/drm/i915/intel_wopcm.c:7:
   drivers/gpu/drm/i915/i915_drv.h:1756:1: warning: all paths through this function will
call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.
...
> drivers/gpu/drm/i915/intel_wopcm.o: warning: objtool:
intel_wopcm_init() falls through to next function to_root_gt() --
   In file included from drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:6:
   drivers/gpu/drm/i915/i915_drv.h:1756:1: warning: all paths through this function will
call itself [-Winfinite-recursion]
   {
   ^
   1 warning generated.
...
> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.o: warning: objtool:
intel_guc_slpc_enable() falls through to next function to_root_gt() 
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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