drm/amdgpu: move stolen memory from gmc to mman

It's more related to memory management than memory
controller.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -449,10 +449,10 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev)
 	case CHIP_VEGA10:
 	case CHIP_RAVEN:
 	case CHIP_RENOIR:
-		adev->gmc.keep_stolen_vga_memory = true;
+		adev->mman.keep_stolen_vga_memory = true;
 		break;
 	default:
-		adev->gmc.keep_stolen_vga_memory = false;
+		adev->mman.keep_stolen_vga_memory = false;
 		break;
 	}
 
@@ -466,10 +466,10 @@ void amdgpu_gmc_get_vbios_allocations(struct amdgpu_device *adev)
 		size = 0;
 
 	if (size > AMDGPU_VBIOS_VGA_ALLOCATION) {
-		adev->gmc.stolen_vga_size = AMDGPU_VBIOS_VGA_ALLOCATION;
-		adev->gmc.stolen_extended_size = size - adev->gmc.stolen_vga_size;
+		adev->mman.stolen_vga_size = AMDGPU_VBIOS_VGA_ALLOCATION;
+		adev->mman.stolen_extended_size = size - adev->mman.stolen_vga_size;
 	} else {
-		adev->gmc.stolen_vga_size = size;
-		adev->gmc.stolen_extended_size = 0;
+		adev->mman.stolen_vga_size = size;
+		adev->mman.stolen_extended_size = 0;
 	}
 }

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

@@ -215,11 +215,6 @@ struct amdgpu_gmc {
 	uint8_t			vram_vendor;
 	uint32_t                srbm_soft_reset;
 	bool			prt_warning;
-	uint64_t		stolen_vga_size;
-	struct amdgpu_bo	*stolen_vga_memory;
-	uint64_t		stolen_extended_size;
-	struct amdgpu_bo	*stolen_extended_memory;
-	bool			keep_stolen_vga_memory;
 	uint32_t		sdpif_register;
 	/* apertures */
 	u64			shared_aperture_start;

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

@@ -1978,16 +1978,16 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 	 * This is used for VGA emulation and pre-OS scanout buffers to
 	 * avoid display artifacts while transitioning between pre-OS
 	 * and driver.  */
-	r = amdgpu_bo_create_kernel_at(adev, 0, adev->gmc.stolen_vga_size,
+	r = amdgpu_bo_create_kernel_at(adev, 0, adev->mman.stolen_vga_size,
 				       AMDGPU_GEM_DOMAIN_VRAM,
-				       &adev->gmc.stolen_vga_memory,
+				       &adev->mman.stolen_vga_memory,
 				       NULL);
 	if (r)
 		return r;
-	r = amdgpu_bo_create_kernel_at(adev, adev->gmc.stolen_vga_size,
-				       adev->gmc.stolen_extended_size,
+	r = amdgpu_bo_create_kernel_at(adev, adev->mman.stolen_vga_size,
+				       adev->mman.stolen_extended_size,
 				       AMDGPU_GEM_DOMAIN_VRAM,
-				       &adev->gmc.stolen_extended_memory,
+				       &adev->mman.stolen_extended_memory,
 				       NULL);
 	if (r)
 		return r;
@@ -2048,9 +2048,9 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 void amdgpu_ttm_late_init(struct amdgpu_device *adev)
 {
 	/* return the VGA stolen memory (if any) back to VRAM */
-	if (!adev->gmc.keep_stolen_vga_memory)
-		amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, NULL);
-	amdgpu_bo_free_kernel(&adev->gmc.stolen_extended_memory, NULL, NULL);
+	if (!adev->mman.keep_stolen_vga_memory)
+		amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
+	amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL);
 }
 
 /**
@@ -2063,8 +2063,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
 
 	amdgpu_ttm_training_reserve_vram_fini(adev);
 	/* return the stolen vga memory back to VRAM */
-	if (adev->gmc.keep_stolen_vga_memory)
-		amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, NULL);
+	if (adev->mman.keep_stolen_vga_memory)
+		amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
 	/* return the IP Discovery TMR memory back to VRAM */
 	amdgpu_bo_free_kernel(&adev->discovery_memory, NULL, NULL);
 	amdgpu_ttm_fw_reserve_vram_fini(adev);

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

@@ -59,6 +59,12 @@ struct amdgpu_mman {
 	struct mutex				gtt_window_lock;
 	/* Scheduler entity for buffer moves */
 	struct drm_sched_entity			entity;
+
+	uint64_t		stolen_vga_size;
+	struct amdgpu_bo	*stolen_vga_memory;
+	uint64_t		stolen_extended_size;
+	struct amdgpu_bo	*stolen_extended_memory;
+	bool			keep_stolen_vga_memory;
 };
 
 struct amdgpu_copy_mem {