Revert "drm/amdgpu: fix modprobe failure of the secondary GPU when GDDR6 training enabled(V5)"

 */

#define AMDGPU_GMC_FAULT_TIMEOUT	5000ULL

/*

 * Default stolen memory size, 1024 * 768 * 4

 */

#define AMDGPU_STOLEN_BIST_TRAINING_DEFAULT_SIZE	0x300000ULL

struct firmware;

/*

	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	int r;

	/*

	 * Can't free the stolen VGA memory when it might be used for memory

	 * training again.

	 */

	if (!adev->fw_vram_usage.mem_train_support)

	amdgpu_bo_late_init(adev);

	r = amdgpu_gmc_allocate_vm_inv_eng(adev);

	adev->gmc.stolen_size = gmc_v10_0_get_vbios_fb_size(adev);

	/*

	 * In dual GPUs scenario, stolen_size is assigned to zero on the

	 * secondary GPU, since there is no pre-OS console using that memory.

	 * Then the bottom region of VRAM was allocated as GTT, unfortunately a

	 * small region of bottom VRAM was encroached by UMC firmware during

	 * GDDR6 BIST training, this cause page fault.

	 * The page fault can be fixed by forcing stolen_size to 3MB, then the

	 * bottom region of VRAM was allocated as stolen memory, GTT corruption

	 * avoid.

	 */

	adev->gmc.stolen_size = max(adev->gmc.stolen_size,

				    AMDGPU_STOLEN_BIST_TRAINING_DEFAULT_SIZE);

	/* Memory manager */

	r = amdgpu_bo_init(adev);

	if (r)

static int gmc_v10_0_sw_fini(void *handle)

{

	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	void *stolen_vga_buf;

	/*

	 * Free the stolen memory if it wasn't already freed in late_init

	 * because of memory training.

	 */

	amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf);

	amdgpu_vm_manager_fini(adev);

	gmc_v10_0_gart_fini(adev);