drm/ttm: initialize the system domain with defaults v2

Instead of repeating that in each driver.

v2: keep the caching limitation for VMWGFX for now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/382078/

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

@@ -84,9 +84,6 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
-		man->flags = 0;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_TT:
 		/* GTT memory  */

drivers/gpu/drm/drm_gem_vram_helper.c

@@ -1009,9 +1009,6 @@ static int bo_driver_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 {
 	switch (type) {
 	case TTM_PL_SYSTEM:
-		man->flags = 0;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_VRAM:
 		man->func = &ttm_bo_manager_func;

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -655,9 +655,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 
 	switch (type) {
 	case TTM_PL_SYSTEM:
-		man->flags = 0;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_VRAM:
 		man->flags = TTM_MEMTYPE_FLAG_FIXED;

drivers/gpu/drm/qxl/qxl_ttm.c

@@ -54,9 +54,6 @@ static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
-		man->flags = 0;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_VRAM:
 	case TTM_PL_PRIV:

drivers/gpu/drm/radeon/radeon_ttm.c

@@ -76,9 +76,6 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	switch (type) {
 	case TTM_PL_SYSTEM:
 		/* System memory */
-		man->flags = 0;
-		man->available_caching = TTM_PL_MASK_CACHING;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_TT:
 		man->func = &ttm_bo_manager_func;

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1673,6 +1673,8 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
 	 * Initialize the system memory buffer type.
 	 * Other types need to be driver / IOCTL initialized.
 	 */
+	bdev->man[TTM_PL_SYSTEM].available_caching = TTM_PL_MASK_CACHING;
+	bdev->man[TTM_PL_SYSTEM].default_caching = TTM_PL_FLAG_CACHED;
 	ret = ttm_bo_init_mm(bdev, TTM_PL_SYSTEM, 0);
 	if (unlikely(ret != 0))
 		goto out_no_sys;

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

@@ -743,7 +743,6 @@ static int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 	case TTM_PL_SYSTEM:
 		/* System memory */
 		man->available_caching = TTM_PL_FLAG_CACHED;
-		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_VRAM:
 		/* "On-card" video ram */