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path: root/drivers/gpu/drm/ttm/ttm_page_alloc.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_page_alloc.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_page_alloc.c89
1 files changed, 38 insertions, 51 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 14660f723f71..29e6c29ad60e 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -47,7 +47,8 @@
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_page_alloc.h>
-#include <drm/ttm/ttm_set_memory.h>
+
+#include "ttm_set_memory.h"
#define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *))
#define SMALL_ALLOCATION 16
@@ -219,14 +220,14 @@ static struct ttm_pool_manager *_manager;
/**
* Select the right pool or requested caching state and ttm flags. */
static struct ttm_page_pool *ttm_get_pool(int flags, bool huge,
- enum ttm_caching_state cstate)
+ enum ttm_caching cstate)
{
int pool_index;
- if (cstate == tt_cached)
+ if (cstate == ttm_cached)
return NULL;
- if (cstate == tt_wc)
+ if (cstate == ttm_write_combined)
pool_index = 0x0;
else
pool_index = 0x1;
@@ -440,17 +441,17 @@ static void ttm_pool_mm_shrink_fini(struct ttm_pool_manager *manager)
}
static int ttm_set_pages_caching(struct page **pages,
- enum ttm_caching_state cstate, unsigned cpages)
+ enum ttm_caching cstate, unsigned cpages)
{
int r = 0;
/* Set page caching */
switch (cstate) {
- case tt_uncached:
+ case ttm_uncached:
r = ttm_set_pages_array_uc(pages, cpages);
if (r)
pr_err("Failed to set %d pages to uc!\n", cpages);
break;
- case tt_wc:
+ case ttm_write_combined:
r = ttm_set_pages_array_wc(pages, cpages);
if (r)
pr_err("Failed to set %d pages to wc!\n", cpages);
@@ -466,11 +467,11 @@ static int ttm_set_pages_caching(struct page **pages,
* any pages that have changed their caching state already put them to the
* pool.
*/
-static void ttm_handle_caching_state_failure(struct list_head *pages,
- int ttm_flags, enum ttm_caching_state cstate,
- struct page **failed_pages, unsigned cpages)
+static void ttm_handle_caching_failure(struct page **failed_pages,
+ unsigned cpages)
{
unsigned i;
+
/* Failed pages have to be freed */
for (i = 0; i < cpages; ++i) {
list_del(&failed_pages[i]->lru);
@@ -485,7 +486,7 @@ static void ttm_handle_caching_state_failure(struct list_head *pages,
* pages returned in pages array.
*/
static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
- int ttm_flags, enum ttm_caching_state cstate,
+ int ttm_flags, enum ttm_caching cstate,
unsigned count, unsigned order)
{
struct page **caching_array;
@@ -516,9 +517,8 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
r = ttm_set_pages_caching(caching_array,
cstate, cpages);
if (r)
- ttm_handle_caching_state_failure(pages,
- ttm_flags, cstate,
- caching_array, cpages);
+ ttm_handle_caching_failure(caching_array,
+ cpages);
}
r = -ENOMEM;
goto out;
@@ -541,9 +541,8 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
r = ttm_set_pages_caching(caching_array,
cstate, cpages);
if (r) {
- ttm_handle_caching_state_failure(pages,
- ttm_flags, cstate,
- caching_array, cpages);
+ ttm_handle_caching_failure(caching_array,
+ cpages);
goto out;
}
cpages = 0;
@@ -554,9 +553,7 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
if (cpages) {
r = ttm_set_pages_caching(caching_array, cstate, cpages);
if (r)
- ttm_handle_caching_state_failure(pages,
- ttm_flags, cstate,
- caching_array, cpages);
+ ttm_handle_caching_failure(caching_array, cpages);
}
out:
kfree(caching_array);
@@ -569,7 +566,7 @@ out:
* pages is small.
*/
static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool, int ttm_flags,
- enum ttm_caching_state cstate,
+ enum ttm_caching cstate,
unsigned count, unsigned long *irq_flags)
{
struct page *p;
@@ -629,7 +626,7 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool, int ttm_flags,
static int ttm_page_pool_get_pages(struct ttm_page_pool *pool,
struct list_head *pages,
int ttm_flags,
- enum ttm_caching_state cstate,
+ enum ttm_caching cstate,
unsigned count, unsigned order)
{
unsigned long irq_flags;
@@ -706,7 +703,7 @@ out:
/* Put all pages in pages list to correct pool to wait for reuse */
static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
- enum ttm_caching_state cstate)
+ enum ttm_caching cstate)
{
struct ttm_page_pool *pool = ttm_get_pool(flags, false, cstate);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -824,7 +821,7 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
* cached pages.
*/
static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
- enum ttm_caching_state cstate)
+ enum ttm_caching cstate)
{
struct ttm_page_pool *pool = ttm_get_pool(flags, false, cstate);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -1043,8 +1040,7 @@ ttm_pool_unpopulate_helper(struct ttm_tt *ttm, unsigned mem_count_update)
put_pages:
ttm_put_pages(ttm->pages, ttm->num_pages, ttm->page_flags,
- ttm->caching_state);
- ttm_tt_set_unpopulated(ttm);
+ ttm->caching);
}
int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
@@ -1060,7 +1056,7 @@ int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
return -ENOMEM;
ret = ttm_get_pages(ttm->pages, ttm->num_pages, ttm->page_flags,
- ttm->caching_state);
+ ttm->caching);
if (unlikely(ret != 0)) {
ttm_pool_unpopulate_helper(ttm, 0);
return ret;
@@ -1075,15 +1071,6 @@ int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
}
}
- if (unlikely(ttm->page_flags & TTM_PAGE_FLAG_SWAPPED)) {
- ret = ttm_tt_swapin(ttm);
- if (unlikely(ret != 0)) {
- ttm_pool_unpopulate(ttm);
- return ret;
- }
- }
-
- ttm_tt_set_populated(ttm);
return 0;
}
EXPORT_SYMBOL(ttm_pool_populate);
@@ -1094,28 +1081,28 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm)
}
EXPORT_SYMBOL(ttm_pool_unpopulate);
-int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt,
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_tt *tt,
struct ttm_operation_ctx *ctx)
{
unsigned i, j;
int r;
- r = ttm_pool_populate(&tt->ttm, ctx);
+ r = ttm_pool_populate(tt, ctx);
if (r)
return r;
- for (i = 0; i < tt->ttm.num_pages; ++i) {
- struct page *p = tt->ttm.pages[i];
+ for (i = 0; i < tt->num_pages; ++i) {
+ struct page *p = tt->pages[i];
size_t num_pages = 1;
- for (j = i + 1; j < tt->ttm.num_pages; ++j) {
- if (++p != tt->ttm.pages[j])
+ for (j = i + 1; j < tt->num_pages; ++j) {
+ if (++p != tt->pages[j])
break;
++num_pages;
}
- tt->dma_address[i] = dma_map_page(dev, tt->ttm.pages[i],
+ tt->dma_address[i] = dma_map_page(dev, tt->pages[i],
0, num_pages * PAGE_SIZE,
DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, tt->dma_address[i])) {
@@ -1124,7 +1111,7 @@ int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt,
PAGE_SIZE, DMA_BIDIRECTIONAL);
tt->dma_address[i] = 0;
}
- ttm_pool_unpopulate(&tt->ttm);
+ ttm_pool_unpopulate(tt);
return -EFAULT;
}
@@ -1137,21 +1124,21 @@ int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt,
}
EXPORT_SYMBOL(ttm_populate_and_map_pages);
-void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
+void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_tt *tt)
{
unsigned i, j;
- for (i = 0; i < tt->ttm.num_pages;) {
- struct page *p = tt->ttm.pages[i];
+ for (i = 0; i < tt->num_pages;) {
+ struct page *p = tt->pages[i];
size_t num_pages = 1;
- if (!tt->dma_address[i] || !tt->ttm.pages[i]) {
+ if (!tt->dma_address[i] || !tt->pages[i]) {
++i;
continue;
}
- for (j = i + 1; j < tt->ttm.num_pages; ++j) {
- if (++p != tt->ttm.pages[j])
+ for (j = i + 1; j < tt->num_pages; ++j) {
+ if (++p != tt->pages[j])
break;
++num_pages;
@@ -1162,7 +1149,7 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
i += num_pages;
}
- ttm_pool_unpopulate(&tt->ttm);
+ ttm_pool_unpopulate(tt);
}
EXPORT_SYMBOL(ttm_unmap_and_unpopulate_pages);
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-04-08 14:14:57 +0000