Acked-by: Jingwen Chen <jingwen.ch...@amd.com> Best Regards, JingWen Chen
On 2023/10/19 17:46, Lin.Cao wrote:
In SR-IOV environment, the value of pcie_table->num_of_link_levels will be 0, and num_of_levels - 1 will cause array index out of bounds Signed-off-by: Lin.Cao <linca...@amd.com> --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index bcb7ab9d2221..6906b0a7d1d1 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -2437,6 +2437,9 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu, uint32_t smu_pcie_arg; int ret, i;+ if (!num_of_levels)+ return 0; + if (!amdgpu_device_pcie_dynamic_switching_supported()) { if (pcie_table->pcie_gen[num_of_levels - 1] < pcie_gen_cap) pcie_gen_cap = pcie_table->pcie_gen[num_of_levels - 1];
