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From 13045486354b5fe7cdc8b93c6d949a184b1f3ee0 Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Tue, 10 Sep 2019 19:10:42 +0800
Subject: [PATCH 3773/4256] 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>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 3e3fb994bc86..a4ea2fdb1646 100644
--- 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,
--
2.17.1
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