[linux-next:master 7732/8750] drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1677:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_fence'

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 5784 bytes --]

Hi James,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   6147c83fd749d19a0d3ccc2f64d12138ab010b47
commit: 52f9535ca4f4268aa7c27975da330cb8dd6a9bf7 [7732/8750] drm/amdgpu/vcn3.0: add dec software ring vm functions to support
config: arc-randconfig-r021-20201126 (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=52f9535ca4f4268aa7c27975da330cb8dd6a9bf7
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 52f9535ca4f4268aa7c27975da330cb8dd6a9bf7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c: In function 'vcn_v3_0_start_sriov':
   drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1243:3: warning: variable 'direct_poll' set but not used [-Wunused-but-set-variable]
    1243 |   direct_poll = { {0} };
         |   ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c: At top level:
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1677:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_fence' [-Wmissing-prototypes]
    1677 | void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1689:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_insert_end' [-Wmissing-prototypes]
    1689 | void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1694:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_ib' [-Wmissing-prototypes]
    1694 | void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1708:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_reg_wait' [-Wmissing-prototypes]
    1708 | void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1717:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_vm_flush' [-Wmissing-prototypes]
    1717 | void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c:1732:6: warning: no previous prototype for 'vcn_v3_0_dec_sw_ring_emit_wreg' [-Wmissing-prototypes]
    1732 | void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/vcn_v3_0_dec_sw_ring_emit_fence +1677 drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c

  1676	
> 1677	void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
  1678					u64 seq, uint32_t flags)
  1679	{
  1680		WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
  1681	
  1682		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
  1683		amdgpu_ring_write(ring, addr);
  1684		amdgpu_ring_write(ring, upper_32_bits(addr));
  1685		amdgpu_ring_write(ring, seq);
  1686		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
  1687	}
  1688	
> 1689	void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
  1690	{
  1691		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
  1692	}
  1693	
> 1694	void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
  1695				       struct amdgpu_job *job,
  1696				       struct amdgpu_ib *ib,
  1697				       uint32_t flags)
  1698	{
  1699		uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
  1700	
  1701		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
  1702		amdgpu_ring_write(ring, vmid);
  1703		amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
  1704		amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
  1705		amdgpu_ring_write(ring, ib->length_dw);
  1706	}
  1707	
> 1708	void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
  1709					uint32_t val, uint32_t mask)
  1710	{
  1711		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
  1712		amdgpu_ring_write(ring, reg << 2);
  1713		amdgpu_ring_write(ring, mask);
  1714		amdgpu_ring_write(ring, val);
  1715	}
  1716	
> 1717	void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
  1718					uint32_t vmid, uint64_t pd_addr)
  1719	{
  1720		struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
  1721		uint32_t data0, data1, mask;
  1722	
  1723		pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
  1724	
  1725		/* wait for register write */
  1726		data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
  1727		data1 = lower_32_bits(pd_addr);
  1728		mask = 0xffffffff;
  1729		vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
  1730	}
  1731	
> 1732	void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
  1733	{
  1734		amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
  1735		amdgpu_ring_write(ring,	reg << 2);
  1736		amdgpu_ring_write(ring, val);
  1737	}
  1738	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 32199 bytes --]