drm/amd/display: fix the NULL pointer that missed set_disp_pattern_generator callback
This patch is to fix the NULL pointer that missed set_disp_pattern_generator callback on DCN301
[ 505.054167] BUG: kernel NULL pointer dereference, address:
0000000000000000
[ 505.054176] #PF: supervisor instruction fetch in kernel mode
[ 505.054181] #PF: error_code(0x0010) - not-present page
[ 505.054185] PGD 0 P4D 0
[ 505.054199] Oops: 0010 [#1] SMP NOPTI
[ 505.054211] CPU: 6 PID: 1306 Comm: modprobe Tainted: G W OE 5.9.0-rc5-custom #1
[ 505.054216] Hardware name: AMD Chachani-VN/Chachani-VN, BIOS WCH0A29N_RAPV16.FD 10/29/2020
[ 505.054225] RIP: 0010:0x0
[ 505.054234] Code: Bad RIP value.
[ 505.054239] RSP: 0018:
ffffb88541c66f60 EFLAGS:
00010206
[ 505.054245] RAX:
0000000000000000 RBX:
ffff912836070000 RCX:
0000000000000003
[ 505.054248] RDX:
000000000000000c RSI:
ffff9128365001e8 RDI:
ffff912836070000
[ 505.054252] RBP:
ffffb88541c66fd8 R08:
0000000000000002 R09:
ffffb88541c66fa2
[ 505.054265] R10:
0000000000009580 R11:
0000000000000008 R12:
ffff9128365001e8
[ 505.054272] R13:
000000000000000c R14:
0000000000000438 R15:
ffff9128a48bd000
[ 505.054279] FS:
00007f09f999f540(0000) GS:
ffff9128b3f80000(0000) knlGS:
0000000000000000
[ 505.054284] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
[ 505.054288] CR2:
ffffffffffffffd6 CR3:
00000002db98c000 CR4:
0000000000350ee0
[ 505.054291] Call Trace:
[ 505.055024] dcn20_blank_pixel_data+0x148/0x260 [amdgpu]
[ 505.055730] dcn20_enable_stream_timing+0x381/0x47c [amdgpu]
[ 505.056641] dce110_apply_ctx_to_hw+0x337/0x577 [amdgpu]
[ 505.056667] ? put_object+0x2f/0x40
[ 505.057329] dc_commit_state+0x4b3/0x9d0 [amdgpu]
[ 505.058030] amdgpu_dm_atomic_commit_tail+0x405/0x1ec6 [amdgpu]
[ 505.058053] ? update_stack_state+0x103/0x170
[ 505.058071] ? __module_text_address+0x12/0x60
Signed-off-by: Huang Rui <ray.huang@amd.com>
Tested-by: Changfeng <Changfeng.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
projects / kernel.git / commit