Re: [PATCH v4 09/17] drm/i915/pxp: Implement arb session teardown

[kernel test robot <lkp@xxxxxxxxx>]

Hi Daniele,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-tip/drm-tip]
[cannot apply to drm-intel/for-linux-next char-misc/char-misc-testing v5.13-rc3 next-20210525]
[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/Daniele-Ceraolo-Spurio/drm-i915-Introduce-Intel-PXP/20210525-135106
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/b3c322331aa6685d40bb5b4cbf90b1d8ed48c9e0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daniele-Ceraolo-Spurio/drm-i915-Introduce-Intel-PXP/20210525-135106
        git checkout b3c322331aa6685d40bb5b4cbf90b1d8ed48c9e0
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c:94:5: error: no previous prototype for 'intel_pxp_terminate_session' [-Werror=missing-prototypes]
      94 | int intel_pxp_terminate_session(struct intel_pxp *pxp, u32 id)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/intel_pxp_terminate_session +94 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c

    93	
  > 94	int intel_pxp_terminate_session(struct intel_pxp *pxp, u32 id)
    95	{
    96		struct i915_request *rq;
    97		struct intel_context *ce = pxp->ce;
    98		u32 *cs;
    99		int err;
   100	
   101		if (!intel_pxp_is_enabled(pxp))
   102			return 0;
   103	
   104		rq = i915_request_create(ce);
   105		if (IS_ERR(rq))
   106			return PTR_ERR(rq);
   107	
   108		if (ce->engine->emit_init_breadcrumb) {
   109			err = ce->engine->emit_init_breadcrumb(rq);
   110			if (err)
   111				goto out_rq;
   112		}
   113	
   114		cs = intel_ring_begin(rq, SESSION_TERMINATION_LEN(1) + WAIT_LEN);
   115		if (IS_ERR(cs)) {
   116			err = PTR_ERR(cs);
   117			goto out_rq;
   118		}
   119	
   120		cs = pxp_emit_session_termination(cs, id);
   121		cs = pxp_emit_wait(cs);
   122	
   123		intel_ring_advance(rq, cs);
   124	
   125	out_rq:
   126		i915_request_get(rq);
   127	
   128		if (unlikely(err))
   129			i915_request_set_error_once(rq, err);
   130	
   131		pxp_request_commit(rq);
   132	
   133		if (!err && i915_request_wait(rq, 0, HZ / 5) < 0)
   134			err = -ETIME;
   135	
   136		i915_request_put(rq);
   137	
   138		return err;
   139	}
   140	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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