drm/amdgpu/psp: move TMR to cpu invisible vram region

so that more visible vram can be available for umd.

Reviewed-by: Christian König <christian.koenig@amd.com>.
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -246,8 +246,9 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
 	bp.size = size;
 	bp.byte_align = align;
 	bp.domain = domain;
-	bp.flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
-		AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
+	bp.flags = cpu_addr ? AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
+		: AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
+	bp.flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
 	bp.type = ttm_bo_type_kernel;
 	bp.resv = NULL;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

@@ -263,7 +263,7 @@ static int psp_tmr_init(struct psp_context *psp)
 
 	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
 				      AMDGPU_GEM_DOMAIN_VRAM,
-				      &psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
+				      &psp->tmr_bo, &psp->tmr_mc_addr, NULL);
 
 	return ret;
 }
@@ -1216,7 +1216,7 @@ static int psp_hw_fini(void *handle)
 
 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
 
-	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
+	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, NULL);
 	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
 			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
 	amdgpu_bo_free_kernel(&psp->fence_buf_bo,

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

@@ -171,7 +171,6 @@ struct psp_context
 	/* tmr buffer */
 	struct amdgpu_bo		*tmr_bo;
 	uint64_t			tmr_mc_addr;
-	void				*tmr_buf;
 
 	/* asd firmware and buffer */
 	const struct firmware		*asd_fw;