drm/amdkfd: fix the missed asic name while inited renoir_device_info

This patch fixes null pointer issue below, I missed to init the asic renior name
while I rebase the patches.

[  106.004250] BUG: kernel NULL pointer dereference, address: 0000000000000000
[  106.004254] #PF: supervisor read access in kernel mode
[  106.004256] #PF: error_code(0x0000) - not-present page
[  106.004257] PGD 0 P4D 0
[  106.004261] Oops: 0000 [#1] SMP NOPTI
[  106.004264] CPU: 3 PID: 1422 Comm: modprobe Not tainted 5.2.0-rc1-custom #1
[  106.004266] Hardware name: AMD Celadon-RN/Celadon-RN, BIOS
WCD9814N_Weekly_19_08_1 08/14/2019
[  106.004272] RIP: 0010:strncpy+0x12/0x30
[  106.004274] Code: c1 c0 11 48 c1 c6 15 48 31 d0 48 c1 c2 20 31 c2 89 d0 31 f0
41 5c 5d c3 55 48 85 d2 48 89 f8 48 89 e5 74 1e 48 01 fa 48 89 f9 <44> 0f b6 06
41 80 f8 01 44 88 01 48 83 de ff 48 83 c1 01 48 39 d1
[  106.004278] RSP: 0018:ffffc092c1fd37a8 EFLAGS: 00010286
[  106.004281] RAX: ffff9e943466a28c RBX: 00000000000036ed RCX: ffff9e943466a28c
[  106.004283] RDX: ffff9e943466a2ac RSI: 0000000000000000 RDI: ffff9e943466a28c
[  106.004285] RBP: ffffc092c1fd37a8 R08: ffff9e943d100000 R09: 0000000000000228
[  106.004287] R10: ffff9e94418dc5a8 R11: ffff9e944746c0d0 R12: 0000000000000000
[  106.004289] R13: ffff9e943fa1ec00 R14: ffff9e943466a200 R15: ffff9e943466a200
[  106.004291] FS:  00007f7a022c5540(0000) GS:ffff9e9447ac0000(0000)
knlGS:0000000000000000
[  106.004294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.004296] CR2: 0000000000000000 CR3: 00000001ff0b0000 CR4: 0000000000340ee0
[  106.004298] Call Trace:
[  106.004382]  kfd_topology_add_device+0x150/0x610 [amdgpu]
[  106.004445]  kgd2kfd_device_init+0x2e0/0x4f0 [amdgpu]
[  106.004509]  amdgpu_amdkfd_device_init+0x14c/0x1b0 [amdgpu]

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-and-Tested-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index a2fe0cb..f329b82 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -353,6 +353,7 @@ static const struct kfd_device_info arcturus_device_info = {
 
 static const struct kfd_device_info renoir_device_info = {
        .asic_family = CHIP_RENOIR,
+       .asic_name = "renoir",
        .max_pasid_bits = 16,
        .max_no_of_hqd  = 24,
        .doorbell_size  = 8,