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drm/amdgpu: do not pass ttm_resource_manager to vram_mgr 

Do not allow exported amdgpu_vram_mgr_*() to accept
any ttm_resource_manager pointer. Also there is no need
to force other module to call a ttm function just to
eventually call vram_mgr functions.

v2: pass adev's vram_mgr instead of adev

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2022-01-07 09:51:14 +01:00 committed by Alex Deucher
parent ffb378fb30
commit ec6aae9711
6 changed files with 30 additions and 44 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -298,7 +298,6 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev,
{
s64 time_us, increment_us;
u64 free_vram, total_vram, used_vram;
struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
/* Allow a maximum of 200 accumulated ms. This is basically per-IB
* throttling.
*
@ -315,7 +314,7 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev,
}
total_vram = adev->gmc.real_vram_size - atomic64_read(&adev->vram_pin_size);
used_vram = amdgpu_vram_mgr_usage(vram_man);
used_vram = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr);
free_vram = used_vram >= total_vram ? 0 : total_vram - used_vram;
spin_lock(&adev->mm_stats.lock);
@ -362,7 +361,7 @@ static void amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev,
if (!amdgpu_gmc_vram_full_visible(&adev->gmc)) {
u64 total_vis_vram = adev->gmc.visible_vram_size;
u64 used_vis_vram =
amdgpu_vram_mgr_vis_usage(vram_man);
amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
if (used_vis_vram < total_vis_vram) {
u64 free_vis_vram = total_vis_vram - used_vis_vram;

10
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -672,10 +672,10 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VRAM_USAGE:
ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
ui64 = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VIS_VRAM_USAGE:
ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GTT_USAGE:
ui64 = amdgpu_gtt_mgr_usage(&adev->mman.gtt_mgr);
@ -709,8 +709,6 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
}
case AMDGPU_INFO_MEMORY: {
struct drm_amdgpu_memory_info mem;
struct ttm_resource_manager *vram_man =
ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
struct ttm_resource_manager *gtt_man =
ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
memset(&mem, 0, sizeof(mem));
@ -719,7 +717,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
atomic64_read(&adev->vram_pin_size) -
AMDGPU_VM_RESERVED_VRAM;
mem.vram.heap_usage =
amdgpu_vram_mgr_usage(vram_man);
amdgpu_vram_mgr_usage(&adev->mman.vram_mgr);
mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
mem.cpu_accessible_vram.total_heap_size =
@ -729,7 +727,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
atomic64_read(&adev->visible_pin_size),
mem.vram.usable_heap_size);
mem.cpu_accessible_vram.heap_usage =
amdgpu_vram_mgr_vis_usage(vram_man);
amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
mem.cpu_accessible_vram.max_allocation =
mem.cpu_accessible_vram.usable_heap_size * 3 / 4;

6
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View File

@ -1839,8 +1839,7 @@ static int amdgpu_ras_badpages_read(struct amdgpu_device *adev,
.size = AMDGPU_GPU_PAGE_SIZE,
.flags = AMDGPU_RAS_RETIRE_PAGE_RESERVED,
};
status = amdgpu_vram_mgr_query_page_status(
ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM),
status = amdgpu_vram_mgr_query_page_status(&adev->mman.vram_mgr,
data->bps[i].retired_page);
if (status == -EBUSY)
(*bps)[i].flags = AMDGPU_RAS_RETIRE_PAGE_PENDING;
@ -1941,8 +1940,7 @@ int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
goto out;
}
amdgpu_vram_mgr_reserve_range(
ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM),
amdgpu_vram_mgr_reserve_range(&adev->mman.vram_mgr,
bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT,
AMDGPU_GPU_PAGE_SIZE);

8
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
View File

@ -129,11 +129,11 @@ int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
void amdgpu_vram_mgr_free_sgt(struct device *dev,
enum dma_data_direction dir,
struct sg_table *sgt);
uint64_t amdgpu_vram_mgr_usage(struct ttm_resource_manager *man);
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_resource_manager *man);
int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
uint64_t amdgpu_vram_mgr_usage(struct amdgpu_vram_mgr *mgr);
uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr);
int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
uint64_t start, uint64_t size);
int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man,
int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr,
uint64_t start);
int amdgpu_ttm_init(struct amdgpu_device *adev);

5
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
View File

@ -553,7 +553,6 @@ static void amdgpu_virt_populate_vf2pf_ucode_info(struct amdgpu_device *adev)
static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev)
{
struct amd_sriov_msg_vf2pf_info *vf2pf_info;
struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
vf2pf_info = (struct amd_sriov_msg_vf2pf_info *) adev->virt.fw_reserve.p_vf2pf;
@ -576,8 +575,8 @@ static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev)
vf2pf_info->driver_cert = 0;
vf2pf_info->os_info.all = 0;
vf2pf_info->fb_usage = amdgpu_vram_mgr_usage(vram_man) >> 20;
vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(vram_man) >> 20;
vf2pf_info->fb_usage = amdgpu_vram_mgr_usage(&adev->mman.vram_mgr) >> 20;
vf2pf_info->fb_vis_usage = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr) >> 20;
vf2pf_info->fb_size = adev->gmc.real_vram_size >> 20;
vf2pf_info->fb_vis_size = adev->gmc.visible_vram_size >> 20;

40
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
View File

@ -96,10 +96,9 @@ static ssize_t amdgpu_mem_info_vram_used_show(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
struct ttm_resource_manager *man;
man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
return sysfs_emit(buf, "%llu\n", amdgpu_vram_mgr_usage(man));
return sysfs_emit(buf, "%llu\n",
amdgpu_vram_mgr_usage(&adev->mman.vram_mgr));
}
/**
@ -116,10 +115,9 @@ static ssize_t amdgpu_mem_info_vis_vram_used_show(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
struct ttm_resource_manager *man;
man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
return sysfs_emit(buf, "%llu\n", amdgpu_vram_mgr_vis_usage(man));
return sysfs_emit(buf, "%llu\n",
amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr));
}
/**
@ -263,16 +261,15 @@ static void amdgpu_vram_mgr_do_reserve(struct ttm_resource_manager *man)
/**
* amdgpu_vram_mgr_reserve_range - Reserve a range from VRAM
*
* @man: TTM memory type manager
* @mgr: amdgpu_vram_mgr pointer
* @start: start address of the range in VRAM
* @size: size of the range
*
* Reserve memory from start addess with the specified size in VRAM
* Reserve memory from start address with the specified size in VRAM
*/
int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
uint64_t start, uint64_t size)
{
struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
struct amdgpu_vram_reservation *rsv;
rsv = kzalloc(sizeof(*rsv), GFP_KERNEL);
@ -285,7 +282,7 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
spin_lock(&mgr->lock);
list_add_tail(&mgr->reservations_pending, &rsv->node);
amdgpu_vram_mgr_do_reserve(man);
amdgpu_vram_mgr_do_reserve(&mgr->manager);
spin_unlock(&mgr->lock);
return 0;
@ -294,7 +291,7 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
/**
* amdgpu_vram_mgr_query_page_status - query the reservation status
*
* @man: TTM memory type manager
* @mgr: amdgpu_vram_mgr pointer
* @start: start address of a page in VRAM
*
* Returns:
@ -302,10 +299,9 @@ int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
* 0: the page has been reserved
* -ENOENT: the input page is not a reservation
*/
int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man,
int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr,
uint64_t start)
{
struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
struct amdgpu_vram_reservation *rsv;
int ret;
@ -632,28 +628,24 @@ void amdgpu_vram_mgr_free_sgt(struct device *dev,
/**
* amdgpu_vram_mgr_usage - how many bytes are used in this domain
*
* @man: TTM memory type manager
* @mgr: amdgpu_vram_mgr pointer
*
* Returns how many bytes are used in this domain.
*/
uint64_t amdgpu_vram_mgr_usage(struct ttm_resource_manager *man)
uint64_t amdgpu_vram_mgr_usage(struct amdgpu_vram_mgr *mgr)
{
struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
return atomic64_read(&mgr->usage);
}
/**
* amdgpu_vram_mgr_vis_usage - how many bytes are used in the visible part
*
* @man: TTM memory type manager
* @mgr: amdgpu_vram_mgr pointer
*
* Returns how many bytes are used in the visible part of VRAM
*/
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_resource_manager *man)
uint64_t amdgpu_vram_mgr_vis_usage(struct amdgpu_vram_mgr *mgr)
{
struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
return atomic64_read(&mgr->vis_usage);
}
@ -675,8 +667,8 @@ static void amdgpu_vram_mgr_debug(struct ttm_resource_manager *man,
spin_unlock(&mgr->lock);
drm_printf(printer, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n",
man->size, amdgpu_vram_mgr_usage(man) >> 20,
amdgpu_vram_mgr_vis_usage(man) >> 20);
man->size, amdgpu_vram_mgr_usage(mgr) >> 20,
amdgpu_vram_mgr_vis_usage(mgr) >> 20);
}
static const struct ttm_resource_manager_func amdgpu_vram_mgr_func = {