Message ID | 20241008222957.39337-2-bethany.jamison@canonical.com |
---|---|
State | New |
Headers | show |
Series | CVE-2024-46722 | expand |
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index dce9e7d5e4ec6..a14a54a734c12 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1476,6 +1476,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; }