[PATCH 45/59] drm/amdgpu/ttm: use bo manager subclassing for vram/gtt mgrs
Dave Airlie
airlied at gmail.com
Tue Aug 4 02:56:18 UTC 2020
From: Dave Airlie <airlied at redhat.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 35 +++++++++++--------
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 36 +++++++++++++-------
2 files changed, 44 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index f0b78e88bb55..b664c5cb13ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -25,11 +25,17 @@
#include "amdgpu.h"
struct amdgpu_gtt_mgr {
+ struct ttm_mem_type_manager manager;
struct drm_mm mm;
spinlock_t lock;
atomic64_t available;
};
+static inline struct amdgpu_gtt_mgr *to_gtt_mgr(struct ttm_mem_type_manager *man)
+{
+ return container_of(man, struct amdgpu_gtt_mgr, manager);
+}
+
struct amdgpu_gtt_node {
struct drm_mm_node node;
struct ttm_buffer_object *tbo;
@@ -87,11 +93,16 @@ static const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
*/
int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
{
- struct ttm_mem_type_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
+ struct ttm_mem_type_manager *man;
struct amdgpu_gtt_mgr *mgr;
uint64_t start, size;
int ret;
+ mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
+ if (!mgr)
+ return -ENOMEM;
+
+ man = &mgr->manager;
man->use_tt = true;
man->func = &amdgpu_gtt_mgr_func;
man->available_caching = TTM_PL_MASK_CACHING;
@@ -99,16 +110,11 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
ttm_mem_type_manager_init(&adev->mman.bdev, man, gtt_size >> PAGE_SHIFT);
- mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
- if (!mgr)
- return -ENOMEM;
-
start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS;
size = (adev->gmc.gart_size >> PAGE_SHIFT) - start;
drm_mm_init(&mgr->mm, start, size);
spin_lock_init(&mgr->lock);
atomic64_set(&mgr->available, gtt_size >> PAGE_SHIFT);
- man->priv = mgr;
ret = device_create_file(adev->dev, &dev_attr_mem_info_gtt_total);
if (ret) {
@@ -121,6 +127,7 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
return ret;
}
+ ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, &mgr->manager);
ttm_mem_type_manager_set_used(man, true);
return 0;
}
@@ -136,7 +143,7 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
{
struct ttm_mem_type_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
int ret;
ttm_mem_type_manager_disable(man);
@@ -148,13 +155,13 @@ void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
spin_lock(&mgr->lock);
drm_mm_takedown(&mgr->mm);
spin_unlock(&mgr->lock);
- kfree(mgr);
- man->priv = NULL;
device_remove_file(adev->dev, &dev_attr_mem_info_gtt_total);
device_remove_file(adev->dev, &dev_attr_mem_info_gtt_used);
ttm_mem_type_manager_cleanup(man);
+ ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, NULL);
+ kfree(mgr);
}
/**
@@ -184,7 +191,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
const struct ttm_place *place,
struct ttm_mem_reg *mem)
{
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
struct amdgpu_gtt_node *node;
int r;
@@ -245,7 +252,7 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
static void amdgpu_gtt_mgr_del(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *mem)
{
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
struct amdgpu_gtt_node *node = mem->mm_node;
if (node) {
@@ -267,7 +274,7 @@ static void amdgpu_gtt_mgr_del(struct ttm_mem_type_manager *man,
*/
uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man)
{
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
s64 result = man->size - atomic64_read(&mgr->available);
return (result > 0 ? result : 0) * PAGE_SIZE;
@@ -275,7 +282,7 @@ uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man)
int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man)
{
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
struct amdgpu_gtt_node *node;
struct drm_mm_node *mm_node;
int r = 0;
@@ -303,7 +310,7 @@ int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man)
static void amdgpu_gtt_mgr_debug(struct ttm_mem_type_manager *man,
struct drm_printer *printer)
{
- struct amdgpu_gtt_mgr *mgr = man->priv;
+ struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
spin_lock(&mgr->lock);
drm_mm_print(&mgr->mm, printer);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index bc776b8f1063..2b37f4266dcb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -29,12 +29,18 @@
#include "atom.h"
struct amdgpu_vram_mgr {
+ struct ttm_mem_type_manager manager;
struct drm_mm mm;
spinlock_t lock;
atomic64_t usage;
atomic64_t vis_usage;
};
+static inline struct amdgpu_vram_mgr *to_vram_mgr(struct ttm_mem_type_manager *man)
+{
+ return container_of(man, struct amdgpu_vram_mgr, manager);
+}
+
/**
* DOC: mem_info_vram_total
*
@@ -170,29 +176,32 @@ static const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
*/
int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
{
- struct ttm_mem_type_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
+ struct ttm_mem_type_manager *man;
struct amdgpu_vram_mgr *mgr;
int ret;
+ mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
+ if (!mgr)
+ return -ENOMEM;
+
+ man = &mgr->manager;
+
man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
ttm_mem_type_manager_init(&adev->mman.bdev, man, adev->gmc.real_vram_size >> PAGE_SHIFT);
man->func = &amdgpu_vram_mgr_func;
- mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
- if (!mgr)
- return -ENOMEM;
drm_mm_init(&mgr->mm, 0, man->size);
spin_lock_init(&mgr->lock);
- man->priv = mgr;
/* Add the two VRAM-related sysfs files */
ret = sysfs_create_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
if (ret)
DRM_ERROR("Failed to register sysfs\n");
+ ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, &mgr->manager);
ttm_mem_type_manager_set_used(man, true);
return 0;
}
@@ -208,7 +217,7 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
{
struct ttm_mem_type_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
int ret;
ttm_mem_type_manager_disable(man);
@@ -220,11 +229,12 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
spin_lock(&mgr->lock);
drm_mm_takedown(&mgr->mm);
spin_unlock(&mgr->lock);
- kfree(mgr);
- man->priv = NULL;
+
sysfs_remove_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
ttm_mem_type_manager_cleanup(man);
+ ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, NULL);
+ kfree(mgr);
}
/**
@@ -314,7 +324,7 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev);
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
struct drm_mm *mm = &mgr->mm;
struct drm_mm_node *nodes;
enum drm_mm_insert_mode mode;
@@ -430,7 +440,7 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev);
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
struct drm_mm_node *nodes = mem->mm_node;
uint64_t usage = 0, vis_usage = 0;
unsigned pages = mem->num_pages;
@@ -562,7 +572,7 @@ void amdgpu_vram_mgr_free_sgt(struct amdgpu_device *adev,
*/
uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man)
{
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
return atomic64_read(&mgr->usage);
}
@@ -576,7 +586,7 @@ uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man)
*/
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man)
{
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
return atomic64_read(&mgr->vis_usage);
}
@@ -592,7 +602,7 @@ uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man)
static void amdgpu_vram_mgr_debug(struct ttm_mem_type_manager *man,
struct drm_printer *printer)
{
- struct amdgpu_vram_mgr *mgr = man->priv;
+ struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
spin_lock(&mgr->lock);
drm_mm_print(&mgr->mm, printer);
--
2.26.2
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