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drm/ttm: add NUMA node id to the pool

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This allows backing ttm_tt structure with pages from different NUMA
pools.

Tested-by: Graham Sider <graham.sider@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rajneesh Bhardwaj 2022-10-12 21:58:29 -04:00 committed by Alex Deucher
parent c1d3f627ff
commit 4482d3c94d
3 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/ttm/ttm_device.c
View File

@ -213,7 +213,7 @@ int ttm_device_init(struct ttm_device *bdev, struct ttm_device_funcs *funcs,
bdev->funcs = funcs;
ttm_sys_man_init(bdev);
ttm_pool_init(&bdev->pool, dev, use_dma_alloc, use_dma32);
ttm_pool_init(&bdev->pool, dev, NUMA_NO_NODE, use_dma_alloc, use_dma32);
bdev->vma_manager = vma_manager;
spin_lock_init(&bdev->lru_lock);

13
drivers/gpu/drm/ttm/ttm_pool.c
View File

@ -98,7 +98,7 @@ static struct page *ttm_pool_alloc_page(struct ttm_pool *pool, gfp_t gfp_flags,
__GFP_KSWAPD_RECLAIM;
if (!pool->use_dma_alloc) {
p = alloc_pages(gfp_flags, order);
p = alloc_pages_node(pool->nid, gfp_flags, order);
if (p)
p->private = order;
return p;
@ -292,7 +292,7 @@ static struct ttm_pool_type *ttm_pool_select_type(struct ttm_pool *pool,
enum ttm_caching caching,
unsigned int order)
{
if (pool->use_dma_alloc)
if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE)
return &pool->caching[caching].orders[order];
#ifdef CONFIG_X86
@ -550,29 +550,32 @@ EXPORT_SYMBOL(ttm_pool_free);
*
* @pool: the pool to initialize
* @dev: device for DMA allocations and mappings
* @nid: NUMA node to use for allocations
* @use_dma_alloc: true if coherent DMA alloc should be used
* @use_dma32: true if GFP_DMA32 should be used
*
* Initialize the pool and its pool types.
*/
void ttm_pool_init(struct ttm_pool *pool, struct device *dev,
bool use_dma_alloc, bool use_dma32)
int nid, bool use_dma_alloc, bool use_dma32)
{
unsigned int i, j;
WARN_ON(!dev && use_dma_alloc);
pool->dev = dev;
pool->nid = nid;
pool->use_dma_alloc = use_dma_alloc;
pool->use_dma32 = use_dma32;
if (use_dma_alloc) {
if (use_dma_alloc || nid != NUMA_NO_NODE) {
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
for (j = 0; j < TTM_DIM_ORDER; ++j)
ttm_pool_type_init(&pool->caching[i].orders[j],
pool, i, j);
}
}
EXPORT_SYMBOL(ttm_pool_init);
/**
* ttm_pool_fini - Cleanup a pool
@ -586,7 +589,7 @@ void ttm_pool_fini(struct ttm_pool *pool)
{
unsigned int i, j;
if (pool->use_dma_alloc) {
if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE) {
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
for (j = 0; j < TTM_DIM_ORDER; ++j)
ttm_pool_type_fini(&pool->caching[i].orders[j]);

4
include/drm/ttm/ttm_pool.h
View File

@ -61,12 +61,14 @@ struct ttm_pool_type {
* struct ttm_pool - Pool for all caching and orders
*
* @dev: the device we allocate pages for
* @nid: which numa node to use
* @use_dma_alloc: if coherent DMA allocations should be used
* @use_dma32: if GFP_DMA32 should be used
* @caching: pools for each caching/order
*/
struct ttm_pool {
struct device *dev;
int nid;
bool use_dma_alloc;
bool use_dma32;
@ -81,7 +83,7 @@ int ttm_pool_alloc(struct ttm_pool *pool, struct ttm_tt *tt,
void ttm_pool_free(struct ttm_pool *pool, struct ttm_tt *tt);
void ttm_pool_init(struct ttm_pool *pool, struct device *dev,
bool use_dma_alloc, bool use_dma32);
int nid, bool use_dma_alloc, bool use_dma32);
void ttm_pool_fini(struct ttm_pool *pool);
int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m);