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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c107
1 files changed, 84 insertions, 23 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index ea25164e7f4b..5c4c3e0d527b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -37,6 +37,18 @@
#include "amdgpu.h"
#include "amdgpu_trace.h"
+static bool amdgpu_need_backup(struct amdgpu_device *adev)
+{
+ if (adev->flags & AMD_IS_APU)
+ return false;
+
+ if (amdgpu_gpu_recovery == 0 ||
+ (amdgpu_gpu_recovery == -1 && !amdgpu_sriov_vf(adev)))
+ return false;
+
+ return true;
+}
+
static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
@@ -281,6 +293,44 @@ void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
*cpu_addr = NULL;
}
+/* Validate bo size is bit bigger then the request domain */
+static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
+ unsigned long size, u32 domain)
+{
+ struct ttm_mem_type_manager *man = NULL;
+
+ /*
+ * If GTT is part of requested domains the check must succeed to
+ * allow fall back to GTT
+ */
+ if (domain & AMDGPU_GEM_DOMAIN_GTT) {
+ man = &adev->mman.bdev.man[TTM_PL_TT];
+
+ if (size < (man->size << PAGE_SHIFT))
+ return true;
+ else
+ goto fail;
+ }
+
+ if (domain & AMDGPU_GEM_DOMAIN_VRAM) {
+ man = &adev->mman.bdev.man[TTM_PL_VRAM];
+
+ if (size < (man->size << PAGE_SHIFT))
+ return true;
+ else
+ goto fail;
+ }
+
+
+ /* TODO add more domains checks, such as AMDGPU_GEM_DOMAIN_CPU */
+ return true;
+
+fail:
+ DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
+ man->size << PAGE_SHIFT);
+ return false;
+}
+
static int amdgpu_bo_do_create(struct amdgpu_device *adev,
unsigned long size, int byte_align,
bool kernel, u32 domain, u64 flags,
@@ -289,16 +339,24 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
uint64_t init_value,
struct amdgpu_bo **bo_ptr)
{
+ struct ttm_operation_ctx ctx = {
+ .interruptible = !kernel,
+ .no_wait_gpu = false,
+ .allow_reserved_eviction = true,
+ .resv = resv
+ };
struct amdgpu_bo *bo;
enum ttm_bo_type type;
unsigned long page_align;
- u64 initial_bytes_moved, bytes_moved;
size_t acc_size;
int r;
page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
size = ALIGN(size, PAGE_SIZE);
+ if (!amdgpu_bo_validate_size(adev, size, domain))
+ return -ENOMEM;
+
if (kernel) {
type = ttm_bo_type_kernel;
} else if (sg) {
@@ -364,22 +422,19 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
bo->tbo.bdev = &adev->mman.bdev;
amdgpu_ttm_placement_from_domain(bo, domain);
- initial_bytes_moved = atomic64_read(&adev->num_bytes_moved);
- /* Kernel allocation are uninterruptible */
r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
- &bo->placement, page_align, !kernel, NULL,
+ &bo->placement, page_align, &ctx, NULL,
acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
if (unlikely(r != 0))
return r;
- bytes_moved = atomic64_read(&adev->num_bytes_moved) -
- initial_bytes_moved;
if (adev->mc.visible_vram_size < adev->mc.real_vram_size &&
bo->tbo.mem.mem_type == TTM_PL_VRAM &&
bo->tbo.mem.start < adev->mc.visible_vram_size >> PAGE_SHIFT)
- amdgpu_cs_report_moved_bytes(adev, bytes_moved, bytes_moved);
+ amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
+ ctx.bytes_moved);
else
- amdgpu_cs_report_moved_bytes(adev, bytes_moved, 0);
+ amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved, 0);
if (kernel)
bo->tbo.priority = 1;
@@ -511,6 +566,7 @@ err:
int amdgpu_bo_validate(struct amdgpu_bo *bo)
{
+ struct ttm_operation_ctx ctx = { false, false };
uint32_t domain;
int r;
@@ -521,7 +577,7 @@ int amdgpu_bo_validate(struct amdgpu_bo *bo)
retry:
amdgpu_ttm_placement_from_domain(bo, domain);
- r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
domain = bo->allowed_domains;
goto retry;
@@ -632,6 +688,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
u64 *gpu_addr)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct ttm_operation_ctx ctx = { false, false };
int r, i;
if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm))
@@ -647,7 +704,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (bo->pin_count) {
uint32_t mem_type = bo->tbo.mem.mem_type;
- if (domain != amdgpu_mem_type_to_domain(mem_type))
+ if (!(domain & amdgpu_mem_type_to_domain(mem_type)))
return -EINVAL;
bo->pin_count++;
@@ -682,21 +739,23 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
}
- r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (unlikely(r)) {
dev_err(adev->dev, "%p pin failed\n", bo);
goto error;
}
+ r = amdgpu_ttm_alloc_gart(&bo->tbo);
+ if (unlikely(r)) {
+ dev_err(adev->dev, "%p bind failed\n", bo);
+ goto error;
+ }
+
bo->pin_count = 1;
- if (gpu_addr != NULL) {
- r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);
- if (unlikely(r)) {
- dev_err(adev->dev, "%p bind failed\n", bo);
- goto error;
- }
+ if (gpu_addr != NULL)
*gpu_addr = amdgpu_bo_gpu_offset(bo);
- }
+
+ domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
adev->vram_pin_size += amdgpu_bo_size(bo);
if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
@@ -717,6 +776,7 @@ int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr)
int amdgpu_bo_unpin(struct amdgpu_bo *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct ttm_operation_ctx ctx = { false, false };
int r, i;
if (!bo->pin_count) {
@@ -730,7 +790,7 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
bo->placements[i].lpfn = 0;
bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
}
- r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (unlikely(r)) {
dev_err(adev->dev, "%p validate failed for unpin\n", bo);
goto error;
@@ -779,8 +839,8 @@ int amdgpu_bo_init(struct amdgpu_device *adev)
adev->mc.vram_mtrr = arch_phys_wc_add(adev->mc.aper_base,
adev->mc.aper_size);
DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n",
- adev->mc.mc_vram_size >> 20,
- (unsigned long long)adev->mc.aper_size >> 20);
+ adev->mc.mc_vram_size >> 20,
+ (unsigned long long)adev->mc.aper_size >> 20);
DRM_INFO("RAM width %dbits %s\n",
adev->mc.vram_width, amdgpu_vram_names[adev->mc.vram_type]);
return amdgpu_ttm_init(adev);
@@ -902,6 +962,7 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
+ struct ttm_operation_ctx ctx = { false, false };
struct amdgpu_bo *abo;
unsigned long offset, size;
int r;
@@ -935,7 +996,7 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
abo->placement.num_busy_placement = 1;
abo->placement.busy_placement = &abo->placements[1];
- r = ttm_bo_validate(bo, &abo->placement, false, false);
+ r = ttm_bo_validate(bo, &abo->placement, &ctx);
if (unlikely(r != 0))
return r;
@@ -980,7 +1041,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
{
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_TT &&
- !amdgpu_ttm_is_bound(bo->tbo.ttm));
+ !amdgpu_gtt_mgr_has_gart_addr(&bo->tbo.mem));
WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) &&
!bo->pin_count);
WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-19 00:47:31 +0300