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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 commit: a3b7dc4a1ec4e184f48c2f8205d2ec88d31310fe drm/amd/display: Add Support for reg inbox0 for host->DMUB CMDs date: 8 months ago config: sparc-randconfig-r071-20251214 (https://download.01.org/0day-ci/archive/20251215/202512150720.S5KYszQY-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 8.5.0 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202512150720.S5KYszQY-lkp@intel.com/ New smatch warnings: drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_srv.c:961 dmub_srv_wait_for_pending() warn: inconsistent indenting Old smatch warnings: drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_srv.c:862 dmub_srv_fb_cmd_execute() warn: inconsistent indenting drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_srv.c:994 dmub_srv_wait_for_idle() warn: inconsistent indenting vim +961 drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_srv.c 940 941 enum dmub_status dmub_srv_wait_for_pending(struct dmub_srv *dmub, 942 uint32_t timeout_us) 943 { 944 uint32_t i; 945 const uint32_t polling_interval_us = 1; 946 struct dmub_srv_inbox scratch_reg_inbox0 = dmub->reg_inbox0; 947 struct dmub_srv_inbox scratch_inbox1 = dmub->inbox1; 948 const volatile struct dmub_srv_inbox *reg_inbox0 = &dmub->reg_inbox0; 949 const volatile struct dmub_srv_inbox *inbox1 = &dmub->inbox1; 950 951 if (!dmub->hw_init || 952 !dmub->hw_funcs.get_inbox1_wptr) 953 return DMUB_STATUS_INVALID; 954 955 /* take a snapshot of the required mailbox state */ 956 scratch_inbox1.rb.wrpt = dmub->hw_funcs.get_inbox1_wptr(dmub); 957 958 for (i = 0; i <= timeout_us; i += polling_interval_us) { 959 scratch_inbox1.rb.rptr = dmub->hw_funcs.get_inbox1_rptr(dmub); 960 > 961 scratch_reg_inbox0.is_pending = scratch_reg_inbox0.is_pending && 962 dmub->hw_funcs.read_reg_inbox0_rsp_int_status && 963 !dmub->hw_funcs.read_reg_inbox0_rsp_int_status(dmub); 964 965 if (scratch_inbox1.rb.rptr > dmub->inbox1.rb.capacity) 966 return DMUB_STATUS_HW_FAILURE; 967 968 /* check current HW state first, but use command submission vs reported as a fallback */ 969 if ((dmub_rb_empty(&scratch_inbox1.rb) || 970 inbox1->num_reported >= scratch_inbox1.num_submitted) && 971 (!scratch_reg_inbox0.is_pending || 972 reg_inbox0->num_reported >= scratch_reg_inbox0.num_submitted)) 973 return DMUB_STATUS_OK; 974 975 udelay(polling_interval_us); 976 } 977 978 return DMUB_STATUS_TIMEOUT; 979 } 980 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki