[PATCH] drm/amdgpu: Fix firmware UCODE_ID_STORAGE issue

[Trigger Huang]

In Tonga's virtualization environment, for firmware UCODE_ID_STORAGE,
there is no actual firmware data, but we still need alloc a BO and
tell the BO's mc address to HW, or world switch will hang on VFs.

Signed-off-by: Trigger Huang <trigger.huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index a1891c9..b7307b0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -383,7 +383,7 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
 	 * ucode info here
 	 */
 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
-		adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 4;
+		adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 3;
 	else
 		adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM;
 
-- 
2.7.4