Hi suijingfeng, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-misc/drm-misc-next] [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/suijingfeng/MAINTAINERS-add-maintainers-for-DRM-LOONGSON-driver/20230301-153240 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230301072306.572685-1-15330273260%40189.cn patch subject: [PATCH v6 1/2] drm: add kms driver for loongson display controller config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230301/202303012148.s6ymqni9-...@intel.com/config) compiler: mips-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/125bbfe8c188e62159ecd4d143246d36b1801f79 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review suijingfeng/MAINTAINERS-add-maintainers-for-DRM-LOONGSON-driver/20230301-153240 git checkout 125bbfe8c188e62159ecd4d143246d36b1801f79 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/loongson/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <l...@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202303012148.s6ymqni9-...@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/loongson/lsdc_plane.c: In function 'lsdc_update_primary_plane': >> drivers/gpu/drm/loongson/lsdc_plane.c:95:20: warning: cast to pointer from >> integer of different size [-Wint-to-pointer-cast] 95 | if (IS_ERR((void *)bo_offset)) { | ^ -- In file included from include/linux/printk.h:566, from include/asm-generic/bug.h:22, from arch/mips/include/asm/bug.h:42, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/preempt.h:5, from ./arch/mips/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:56, from include/linux/kref.h:16, from include/drm/drm_device.h:5, from include/drm/drm_drv.h:35, from drivers/gpu/drm/loongson/lsdc_ttm.c:3: drivers/gpu/drm/loongson/lsdc_ttm.c: In function 'lsdc_dumb_create': >> drivers/gpu/drm/loongson/lsdc_ttm.c:378:23: warning: format '%lu' expects >> argument of type 'long unsigned int', but argument 5 has type 'size_t' {aka >> 'unsigned int'} [-Wformat=] 378 | drm_dbg(ddev, "pitch: %lu, height: %u\n", pitch, args->height); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~ | | | size_t {aka unsigned int} include/linux/dynamic_debug.h:223:29: note: in definition of macro '__dynamic_func_call_cls' 223 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/drm/drm_print.h:413:9: note: in expansion of macro '_dynamic_func_call_cls' 413 | _dynamic_func_call_cls(cat, fmt, __drm_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~~~~~ include/drm/drm_print.h:492:9: note: in expansion of macro 'drm_dev_dbg' 492 | drm_dev_dbg((drm) ? (drm)->dev : NULL, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/drm/drm_print.h:510:33: note: in expansion of macro 'drm_dbg_driver' 510 | #define drm_dbg(drm, fmt, ...) drm_dbg_driver(drm, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~ drivers/gpu/drm/loongson/lsdc_ttm.c:378:9: note: in expansion of macro 'drm_dbg' 378 | drm_dbg(ddev, "pitch: %lu, height: %u\n", pitch, args->height); | ^~~~~~~ drivers/gpu/drm/loongson/lsdc_ttm.c:378:33: note: format string is defined here 378 | drm_dbg(ddev, "pitch: %lu, height: %u\n", pitch, args->height); | ~~^ | | | long unsigned int | %u vim +95 drivers/gpu/drm/loongson/lsdc_plane.c 77 78 static void lsdc_update_primary_plane(struct drm_plane *plane, 79 struct drm_atomic_state *state) 80 { 81 struct drm_device *ddev = plane->dev; 82 struct lsdc_device *ldev = to_lsdc(ddev); 83 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); 84 struct drm_crtc *crtc = new_plane_state->crtc; 85 struct drm_framebuffer *fb = new_plane_state->fb; 86 struct ttm_buffer_object *tbo = to_ttm_bo(fb->obj[0]); 87 unsigned int pipe = drm_crtc_index(crtc); 88 unsigned int fb_offset = lsdc_get_fb_offset(fb, new_plane_state, 0); 89 u64 bo_offset = lsdc_bo_gpu_offset(tbo); 90 u64 fb_addr = ldev->vram_base + bo_offset + fb_offset; 91 u32 stride = fb->pitches[0]; 92 u32 cfg; 93 u32 lo, hi; 94 > 95 if (IS_ERR((void *)bo_offset)) { 96 drm_warn(ddev, "bo not pinned, should not happen\n"); 97 return; 98 } 99 100 /* 40-bit width physical address bus */ 101 lo = fb_addr & 0xFFFFFFFF; 102 hi = (fb_addr >> 32) & 0xFF; 103 104 cfg = lsdc_crtc_rreg32(ldev, LSDC_CRTC0_CFG_REG, pipe); 105 if (cfg & CFG_FB_IN_USING) { 106 drm_dbg(ddev, "CRTC-%u(FB1) is in using\n", pipe); 107 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_FB1_LO_ADDR_REG, pipe, lo); 108 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_FB1_HI_ADDR_REG, pipe, hi); 109 } else { 110 drm_dbg(ddev, "CRTC-%u(FB0) is in using\n", pipe); 111 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_FB0_LO_ADDR_REG, pipe, lo); 112 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_FB0_HI_ADDR_REG, pipe, hi); 113 } 114 115 drm_dbg(ddev, "CRTC-%u scanout from 0x%llx\n", pipe, fb_addr); 116 117 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_STRIDE_REG, pipe, stride); 118 119 cfg &= ~CFG_PIX_FMT_MASK; 120 cfg |= LSDC_PF_XRGB8888; 121 122 lsdc_crtc_wreg32(ldev, LSDC_CRTC0_CFG_REG, pipe, cfg); 123 } 124 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
