tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 47762f08697484cf0c2f2904b8c52375ed26c8cb commit: 8ed49dd1d3a7448744d57e1da2062b074cba2e49 [2339/10848] drm/amdgpu: Add RLCG interface driver implementation for gfx v9.4.3 (v3) config: arc-randconfig-r013-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171555.5mSXBst8-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171555.5mSXBst8-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308171555.5mSXBst8-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:576: warning: Function parameter or member 'xcc_id' not described in 'amdgpu_mm_wreg_mmio_rlc' vim +576 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 47ed4e1c93a6c7 Ken Wang 2017-07-04 563 03f2abb07e54b3 Yann Dirson 2021-12-14 564 /** 4cc9f86f851847 Tom St Denis 2022-01-07 565 * amdgpu_mm_wreg_mmio_rlc - write register either with direct/indirect mmio or with RLC path if in range 2e0cc4d48b91a8 Monk Liu 2020-03-10 566 * 71579346991927 Rajneesh Bhardwaj 2022-02-10 567 * @adev: amdgpu_device pointer 71579346991927 Rajneesh Bhardwaj 2022-02-10 568 * @reg: mmio/rlc register 71579346991927 Rajneesh Bhardwaj 2022-02-10 569 * @v: value to write 71579346991927 Rajneesh Bhardwaj 2022-02-10 570 * 71579346991927 Rajneesh Bhardwaj 2022-02-10 571 * this function is invoked only for the debugfs register access 03f2abb07e54b3 Yann Dirson 2021-12-14 572 */ f7ee1874b06cfd Hawking Zhang 2020-09-18 573 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, 8ed49dd1d3a744 Victor Lu 2023-06-16 574 uint32_t reg, uint32_t v, 8ed49dd1d3a744 Victor Lu 2023-06-16 575 uint32_t xcc_id) 2e0cc4d48b91a8 Monk Liu 2020-03-10 @576 { 56b53c0b5aa5de Dennis Li 2021-03-10 577 if (amdgpu_device_skip_hw_access(adev)) bf36b52e781d74 Andrey Grodzovsky 2020-07-29 578 return; bf36b52e781d74 Andrey Grodzovsky 2020-07-29 579 2e0cc4d48b91a8 Monk Liu 2020-03-10 580 if (amdgpu_sriov_fullaccess(adev) && 2e0cc4d48b91a8 Monk Liu 2020-03-10 581 adev->gfx.rlc.funcs && 2e0cc4d48b91a8 Monk Liu 2020-03-10 582 adev->gfx.rlc.funcs->is_rlcg_access_range) { 2e0cc4d48b91a8 Monk Liu 2020-03-10 583 if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) 8ed49dd1d3a744 Victor Lu 2023-06-16 584 return amdgpu_sriov_wreg(adev, reg, v, 0, 0, xcc_id); 4cc9f86f851847 Tom St Denis 2022-01-07 585 } else if ((reg * 4) >= adev->rmmio_size) { 4cc9f86f851847 Tom St Denis 2022-01-07 586 adev->pcie_wreg(adev, reg * 4, v); f7ee1874b06cfd Hawking Zhang 2020-09-18 587 } else { f7ee1874b06cfd Hawking Zhang 2020-09-18 588 writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); 47ed4e1c93a6c7 Ken Wang 2017-07-04 589 } d38ceaf99ed015 Alex Deucher 2015-04-20 590 } d38ceaf99ed015 Alex Deucher 2015-04-20 591 :::::: The code at line 576 was first introduced by commit :::::: 2e0cc4d48b91a856a34027b093306c01c45d3a38 drm/amdgpu: revise RLCG access path :::::: TO: Monk Liu <Monk.Liu@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki