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drm/amd/pm: Fix null pointer dereference issue

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If SMU is disabled, during RAS initialization,
there will be null pointer dereference issue here.

Signed-off-by: Jinzhou Su <jinzhou.su@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jinzhou Su 2026-01-21 16:42:11 +08:00 committed by Alex Deucher
parent e698127eb7
commit 1197366cca
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@ -619,6 +619,9 @@ int amdgpu_smu_ras_send_msg(struct amdgpu_device *adev, enum smu_message_type ms
struct smu_context *smu = adev->powerplay.pp_handle;
int ret = -EOPNOTSUPP;
if (!smu)
return ret;
if (smu->ppt_funcs && smu->ppt_funcs->ras_send_msg)
ret = smu->ppt_funcs->ras_send_msg(smu, msg, param, read_arg);