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drm/ttm: initialize globals during device init (v2)

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Make sure that the global BO state is always correctly initialized.

This allows removing all the device code to initialize it.

v2: fix up vbox (Alex)

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-10-19 16:55:26 +02:00
committed by Alex Deucher
parent 62b53b37e4
commit a64f784bb1
27 changed files with 17 additions and 521 deletions
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39
drivers/gpu/drm/radeon/radeon_ttm.c
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@@ -60,39 +60,6 @@ static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
return rdev;
}
/*
* Global memory.
*/
static int radeon_ttm_global_init(struct radeon_device *rdev)
{
struct drm_global_reference *global_ref;
int r;
rdev->mman.mem_global_referenced = false;
global_ref = &rdev->mman.bo_global_ref.ref;
global_ref->global_type = DRM_GLOBAL_TTM_BO;
global_ref->size = sizeof(struct ttm_bo_global);
global_ref->init = &ttm_bo_global_ref_init;
global_ref->release = &ttm_bo_global_ref_release;
r = drm_global_item_ref(global_ref);
if (r != 0) {
DRM_ERROR("Failed setting up TTM BO subsystem.\n");
return r;
}
rdev->mman.mem_global_referenced = true;
return 0;
}
static void radeon_ttm_global_fini(struct radeon_device *rdev)
{
if (rdev->mman.mem_global_referenced) {
drm_global_item_unref(&rdev->mman.bo_global_ref.ref);
rdev->mman.mem_global_referenced = false;
}
}
static int radeon_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
{
return 0;
@@ -821,13 +788,8 @@ int radeon_ttm_init(struct radeon_device *rdev)
{
int r;
r = radeon_ttm_global_init(rdev);
if (r) {
return r;
}
/* No others user of address space so set it to 0 */
r = ttm_bo_device_init(&rdev->mman.bdev,
rdev->mman.bo_global_ref.ref.object,
&radeon_bo_driver,
rdev->ddev->anon_inode->i_mapping,
DRM_FILE_PAGE_OFFSET,
@@ -899,7 +861,6 @@ void radeon_ttm_fini(struct radeon_device *rdev)
ttm_bo_clean_mm(&rdev->mman.bdev, TTM_PL_TT);
ttm_bo_device_release(&rdev->mman.bdev);
radeon_gart_fini(rdev);
radeon_ttm_global_fini(rdev);
rdev->mman.initialized = false;
DRM_INFO("radeon: ttm finalized\n");
}