c drm-misc-next
patch link:
https://lore.kernel.org/r/20231122093509.34302-1-yaolu%40kylinos.cn
patch subject: [PATCH] drm/amdgpu: Fix cat debugfs amdgpu_regs_didt causes
kernel null pointer
config: x86_64-randconfig-001-20231123
(https://download.01.org/0day-ci/archive/20231124/20231124144
For 'AMDGPU_FAMILY_SI' family cards, in 'si_common_early_init' func, init
'didt_rreg' and 'didt_wreg' to 'NULL'. But in func
'amdgpu_debugfs_regs_didt_read/write', using 'RREG32_DIDT' 'WREG32_DIDT'
lacks of relevant judgment. And other 'amdgpu_ip_block_version' that use
these two definitions won't
Am 22.11.23 um 10:35 schrieb Lu Yao:
For 'AMDGPU_FAMILY_SI' family cards, in 'si_common_early_init' func, init
'didt_rreg' and 'didt_wreg' to 'NULL'. But in func
'amdgpu_debugfs_regs_didt_read/write', using 'RREG32_DIDT' 'WREG32_DIDT'
lacks of relevant judgment. And other 'amdgpu_ip_block_version
