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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-06-04 14:01:58 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-14 15:23:12 -0400 |
| commit | 91efe6de7029b206e29bb97143f9156e88f54027 (patch) | |
| tree | 5e1ce28ed94293f6470e4d679b2c12dadf2f6e4a /drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | |
| parent | afe9555e79fcd0d758e3796ad00fd6292d99361b (diff) | |
| download | linux-91efe6de7029b206e29bb97143f9156e88f54027.tar.gz linux-91efe6de7029b206e29bb97143f9156e88f54027.tar.bz2 linux-91efe6de7029b206e29bb97143f9156e88f54027.zip | |
drm/amd/display/dcn401: use pre-allocated temp structure for bounding box
This mirrors what the driver does for older DCN generations.
Should fix:
[ 26.924055] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306
[ 26.924060] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1022, name: modprobe
[ 26.924063] preempt_count: 2, expected: 0
[ 26.924064] RCU nest depth: 0, expected: 0
[ 26.924066] Preemption disabled at:
[ 26.924067] [<ffffffffc089e5e0>] dc_fpu_begin+0x30/0xd0 [amdgpu]
[ 26.924322] CPU: 9 PID: 1022 Comm: modprobe Not tainted 6.8.0+ #20
[ 26.924325] Hardware name: System manufacturer System Product Name/CROSSHAIR VI HERO, BIOS 6302 10/23/2018
[ 26.924326] Call Trace:
[ 26.924327] <TASK>
[ 26.924329] dump_stack_lvl+0x37/0x50
[ 26.924333] ? dc_fpu_begin+0x30/0xd0 [amdgpu]
[ 26.924589] dump_stack+0x10/0x20
[ 26.924592] __might_resched+0x16a/0x1c0
[ 26.924596] __might_sleep+0x42/0x70
[ 26.924598] __kmalloc_node_track_caller+0x2ad/0x4b0
[ 26.924601] ? dm_helpers_allocate_gpu_mem+0x12/0x20 [amdgpu]
[ 26.924855] ? dcn401_update_bw_bounding_box+0x2a/0xf0 [amdgpu]
[ 26.925122] kmemdup+0x20/0x50
[ 26.925124] ? kernel_fpu_begin_mask+0x6b/0xe0
[ 26.925127] ? kmemdup+0x20/0x50
[ 26.925129] dcn401_update_bw_bounding_box+0x2a/0xf0 [amdgpu]
[ 26.925393] dc_create+0x311/0x670 [amdgpu]
[ 26.925649] amdgpu_dm_init+0x2aa/0x1fa0 [amdgpu]
[ 26.925903] ? irq_work_queue+0x38/0x50
[ 26.925907] ? vprintk_emit+0x1e7/0x270
[ 26.925910] ? dev_printk_emit+0x83/0xb0
[ 26.925914] ? amdgpu_device_rreg+0x17/0x20 [amdgpu]
[ 26.926133] dm_hw_init+0x14/0x30 [amdgpu]
v2: drop extra memcpy
Fixes: 669d6b078ed8 ("drm/amd/display: avoid large on-stack structures")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: George Zhang <george.zhang@amd.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: harry.wentland@amd.com
Cc: sunpeng.li@amd.com
Cc: Rodrigo.Siqueira@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c')
0 files changed, 0 insertions, 0 deletions