From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/gpu/drm/nouveau/nouveau_gem.c | 230 +++++++++++++++++++++++++++++++-------------------------
1 files changed, 127 insertions(+), 103 deletions(-)
diff --git a/kernel/drivers/gpu/drm/nouveau/nouveau_gem.c b/kernel/drivers/gpu/drm/nouveau/nouveau_gem.c
index a98fccb..6504ebe 100644
--- a/kernel/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/kernel/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -35,13 +35,13 @@
#include "nouveau_vmm.h"
#include <nvif/class.h>
+#include <nvif/push206e.h>
void
nouveau_gem_object_del(struct drm_gem_object *gem)
{
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
- struct ttm_buffer_object *bo = &nvbo->bo;
struct device *dev = drm->dev->dev;
int ret;
@@ -54,11 +54,7 @@
if (gem->import_attach)
drm_prime_gem_destroy(gem, nvbo->bo.sg);
- drm_gem_object_release(gem);
-
- /* reset filp so nouveau_bo_del_ttm() can test for it */
- gem->filp = NULL;
- ttm_bo_unref(&bo);
+ ttm_bo_put(&nvbo->bo);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
@@ -71,10 +67,11 @@
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
+ struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
struct nouveau_vma *vma;
int ret;
- if (cli->vmm.vmm.object.oclass < NVIF_CLASS_VMM_NV50)
+ if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
return 0;
ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
@@ -87,7 +84,7 @@
goto out;
}
- ret = nouveau_vma_new(nvbo, &cli->vmm, &vma);
+ ret = nouveau_vma_new(nvbo, vmm, &vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
out:
@@ -147,25 +144,26 @@
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
+ struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : & cli->vmm;
struct nouveau_vma *vma;
int ret;
- if (cli->vmm.vmm.object.oclass < NVIF_CLASS_VMM_NV50)
+ if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
return;
ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
if (ret)
return;
- vma = nouveau_vma_find(nvbo, &cli->vmm);
+ vma = nouveau_vma_find(nvbo, vmm);
if (vma) {
if (--vma->refs == 0) {
ret = pm_runtime_get_sync(dev);
if (!WARN_ON(ret < 0 && ret != -EACCES)) {
nouveau_gem_object_unmap(nvbo, vma);
pm_runtime_mark_last_busy(dev);
- pm_runtime_put_autosuspend(dev);
}
+ pm_runtime_put_autosuspend(dev);
}
}
ttm_bo_unreserve(&nvbo->bo);
@@ -178,24 +176,28 @@
{
struct nouveau_drm *drm = cli->drm;
struct nouveau_bo *nvbo;
- u32 flags = 0;
int ret;
- if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
- flags |= TTM_PL_FLAG_VRAM;
- if (domain & NOUVEAU_GEM_DOMAIN_GART)
- flags |= TTM_PL_FLAG_TT;
- if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
- flags |= TTM_PL_FLAG_SYSTEM;
+ if (!(domain & (NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART)))
+ domain |= NOUVEAU_GEM_DOMAIN_CPU;
- if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
- flags |= TTM_PL_FLAG_UNCACHED;
+ nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode,
+ tile_flags);
+ if (IS_ERR(nvbo))
+ return PTR_ERR(nvbo);
- ret = nouveau_bo_new(cli, size, align, flags, tile_mode,
- tile_flags, NULL, NULL, pnvbo);
+ /* Initialize the embedded gem-object. We return a single gem-reference
+ * to the caller, instead of a normal nouveau_bo ttm reference. */
+ ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size);
+ if (ret) {
+ drm_gem_object_release(&nvbo->bo.base);
+ kfree(nvbo);
+ return ret;
+ }
+
+ ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL);
if (ret)
return ret;
- nvbo = *pnvbo;
/* we restrict allowed domains on nv50+ to only the types
* that were requested at creation time. not possibly on
@@ -206,15 +208,8 @@
if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
nvbo->valid_domains &= domain;
- /* Initialize the embedded gem-object. We return a single gem-reference
- * to the caller, instead of a normal nouveau_bo ttm reference. */
- ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size);
- if (ret) {
- nouveau_bo_ref(NULL, pnvbo);
- return -ENOMEM;
- }
-
- nvbo->bo.persistent_swap_storage = nvbo->gem.filp;
+ nvbo->bo.persistent_swap_storage = nvbo->bo.base.filp;
+ *pnvbo = nvbo;
return 0;
}
@@ -224,6 +219,7 @@
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
+ struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
struct nouveau_vma *vma;
if (is_power_of_2(nvbo->valid_domains))
@@ -232,9 +228,9 @@
rep->domain = NOUVEAU_GEM_DOMAIN_GART;
else
rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
- rep->offset = nvbo->bo.offset;
- if (cli->vmm.vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
- vma = nouveau_vma_find(nvbo, &cli->vmm);
+ rep->offset = nvbo->offset;
+ if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
+ vma = nouveau_vma_find(nvbo, vmm);
if (!vma)
return -EINVAL;
@@ -242,7 +238,7 @@
}
rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
- rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
+ rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node);
rep->tile_mode = nvbo->mode;
rep->tile_flags = nvbo->contig ? 0 : NOUVEAU_GEM_TILE_NONCONTIG;
if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
@@ -270,15 +266,16 @@
if (ret)
return ret;
- ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
+ ret = drm_gem_handle_create(file_priv, &nvbo->bo.base,
+ &req->info.handle);
if (ret == 0) {
- ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
+ ret = nouveau_gem_info(file_priv, &nvbo->bo.base, &req->info);
if (ret)
drm_gem_handle_delete(file_priv, req->info.handle);
}
/* drop reference from allocate - handle holds it now */
- drm_gem_object_put_unlocked(&nvbo->gem);
+ drm_gem_object_put(&nvbo->bo.base);
return ret;
}
@@ -290,32 +287,28 @@
struct ttm_buffer_object *bo = &nvbo->bo;
uint32_t domains = valid_domains & nvbo->valid_domains &
(write_domains ? write_domains : read_domains);
- uint32_t pref_flags = 0, valid_flags = 0;
+ uint32_t pref_domains = 0;;
if (!domains)
return -EINVAL;
- if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
- valid_flags |= TTM_PL_FLAG_VRAM;
-
- if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
- valid_flags |= TTM_PL_FLAG_TT;
+ valid_domains &= ~(NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART);
if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
bo->mem.mem_type == TTM_PL_VRAM)
- pref_flags |= TTM_PL_FLAG_VRAM;
+ pref_domains |= NOUVEAU_GEM_DOMAIN_VRAM;
else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
bo->mem.mem_type == TTM_PL_TT)
- pref_flags |= TTM_PL_FLAG_TT;
+ pref_domains |= NOUVEAU_GEM_DOMAIN_GART;
else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
- pref_flags |= TTM_PL_FLAG_VRAM;
+ pref_domains |= NOUVEAU_GEM_DOMAIN_VRAM;
else
- pref_flags |= TTM_PL_FLAG_TT;
+ pref_domains |= NOUVEAU_GEM_DOMAIN_GART;
- nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
+ nouveau_bo_placement_set(nvbo, pref_domains, valid_domains);
return 0;
}
@@ -326,7 +319,8 @@
};
static void
-validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence,
+validate_fini_no_ticket(struct validate_op *op, struct nouveau_channel *chan,
+ struct nouveau_fence *fence,
struct drm_nouveau_gem_pushbuf_bo *pbbo)
{
struct nouveau_bo *nvbo;
@@ -337,13 +331,11 @@
b = &pbbo[nvbo->pbbo_index];
if (likely(fence)) {
- struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
- struct nouveau_vma *vma;
-
nouveau_bo_fence(nvbo, fence, !!b->write_domains);
- if (drm->client.vmm.vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
- vma = (void *)(unsigned long)b->user_priv;
+ if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
+ struct nouveau_vma *vma =
+ (void *)(unsigned long)b->user_priv;
nouveau_fence_unref(&vma->fence);
dma_fence_get(&fence->base);
vma->fence = fence;
@@ -358,15 +350,16 @@
list_del(&nvbo->entry);
nvbo->reserved_by = NULL;
ttm_bo_unreserve(&nvbo->bo);
- drm_gem_object_put_unlocked(&nvbo->gem);
+ drm_gem_object_put(&nvbo->bo.base);
}
}
static void
-validate_fini(struct validate_op *op, struct nouveau_fence *fence,
+validate_fini(struct validate_op *op, struct nouveau_channel *chan,
+ struct nouveau_fence *fence,
struct drm_nouveau_gem_pushbuf_bo *pbbo)
{
- validate_fini_no_ticket(op, fence, pbbo);
+ validate_fini_no_ticket(op, chan, fence, pbbo);
ww_acquire_fini(&op->ticket);
}
@@ -404,14 +397,14 @@
nvbo = nouveau_gem_object(gem);
if (nvbo == res_bo) {
res_bo = NULL;
- drm_gem_object_put_unlocked(gem);
+ drm_gem_object_put(gem);
continue;
}
if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
NV_PRINTK(err, cli, "multiple instances of buffer %d on "
"validation list\n", b->handle);
- drm_gem_object_put_unlocked(gem);
+ drm_gem_object_put(gem);
ret = -EINVAL;
break;
}
@@ -421,7 +414,7 @@
list_splice_tail_init(&vram_list, &op->list);
list_splice_tail_init(&gart_list, &op->list);
list_splice_tail_init(&both_list, &op->list);
- validate_fini_no_ticket(op, NULL, NULL);
+ validate_fini_no_ticket(op, chan, NULL, NULL);
if (unlikely(ret == -EDEADLK)) {
ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
&op->ticket);
@@ -435,8 +428,8 @@
}
}
- if (cli->vmm.vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
- struct nouveau_vmm *vmm = &cli->vmm;
+ if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
+ struct nouveau_vmm *vmm = chan->vmm;
struct nouveau_vma *vma = nouveau_vma_find(nvbo, vmm);
if (!vma) {
NV_PRINTK(err, cli, "vma not found!\n");
@@ -476,26 +469,23 @@
list_splice_tail(&gart_list, &op->list);
list_splice_tail(&both_list, &op->list);
if (ret)
- validate_fini(op, NULL, NULL);
+ validate_fini(op, chan, NULL, NULL);
return ret;
}
static int
validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
- struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
- uint64_t user_pbbo_ptr)
+ struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo)
{
struct nouveau_drm *drm = chan->drm;
- struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
- (void __force __user *)(uintptr_t)user_pbbo_ptr;
struct nouveau_bo *nvbo;
int ret, relocs = 0;
list_for_each_entry(nvbo, list, entry) {
struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
- ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains,
+ ret = nouveau_gem_set_domain(&nvbo->bo.base, b->read_domains,
b->write_domains,
b->valid_domains);
if (unlikely(ret)) {
@@ -518,7 +508,7 @@
}
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
- if (nvbo->bo.offset == b->presumed.offset &&
+ if (nvbo->offset == b->presumed.offset &&
((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
(nvbo->bo.mem.mem_type == TTM_PL_TT &&
@@ -529,13 +519,9 @@
b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
else
b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
- b->presumed.offset = nvbo->bo.offset;
+ b->presumed.offset = nvbo->offset;
b->presumed.valid = 0;
relocs++;
-
- if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
- &b->presumed, sizeof(b->presumed)))
- return -EFAULT;
}
}
@@ -546,8 +532,8 @@
nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
struct drm_file *file_priv,
struct drm_nouveau_gem_pushbuf_bo *pbbo,
- uint64_t user_buffers, int nr_buffers,
- struct validate_op *op, int *apply_relocs)
+ int nr_buffers,
+ struct validate_op *op, bool *apply_relocs)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
int ret;
@@ -564,14 +550,16 @@
return ret;
}
- ret = validate_list(chan, cli, &op->list, pbbo, user_buffers);
+ ret = validate_list(chan, cli, &op->list, pbbo);
if (unlikely(ret < 0)) {
if (ret != -ERESTARTSYS)
NV_PRINTK(err, cli, "validating bo list\n");
- validate_fini(op, NULL, NULL);
+ validate_fini(op, chan, NULL, NULL);
return ret;
+ } else if (ret > 0) {
+ *apply_relocs = true;
}
- *apply_relocs = ret;
+
return 0;
}
@@ -604,15 +592,11 @@
static int
nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
struct drm_nouveau_gem_pushbuf *req,
+ struct drm_nouveau_gem_pushbuf_reloc *reloc,
struct drm_nouveau_gem_pushbuf_bo *bo)
{
- struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
int ret = 0;
unsigned i;
-
- reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
- if (IS_ERR(reloc))
- return PTR_ERR(reloc);
for (i = 0; i < req->nr_relocs; i++) {
struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
@@ -678,7 +662,6 @@
nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
}
- u_free(reloc);
return ret;
}
@@ -692,11 +675,13 @@
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_nouveau_gem_pushbuf *req = data;
struct drm_nouveau_gem_pushbuf_push *push;
+ struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
struct drm_nouveau_gem_pushbuf_bo *bo;
struct nouveau_channel *chan = NULL;
struct validate_op op;
struct nouveau_fence *fence = NULL;
- int i, j, ret = 0, do_reloc = 0;
+ int i, j, ret = 0;
+ bool do_reloc = false, sync = false;
if (unlikely(!abi16))
return -ENOMEM;
@@ -710,6 +695,10 @@
if (!chan)
return nouveau_abi16_put(abi16, -ENOENT);
+ if (unlikely(atomic_read(&chan->killed)))
+ return nouveau_abi16_put(abi16, -ENODEV);
+
+ sync = req->vram_available & NOUVEAU_GEM_PUSHBUF_SYNC;
req->vram_available = drm->gem.vram_available;
req->gart_available = drm->gem.gart_available;
@@ -754,7 +743,8 @@
}
/* Validate buffer list */
- ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
+revalidate:
+ ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo,
req->nr_buffers, &op, &do_reloc);
if (ret) {
if (ret != -ERESTARTSYS)
@@ -764,7 +754,18 @@
/* Apply any relocations that are required */
if (do_reloc) {
- ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
+ if (!reloc) {
+ validate_fini(&op, chan, NULL, bo);
+ reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
+ if (IS_ERR(reloc)) {
+ ret = PTR_ERR(reloc);
+ goto out_prevalid;
+ }
+
+ goto revalidate;
+ }
+
+ ret = nouveau_gem_pushbuf_reloc_apply(cli, req, reloc, bo);
if (ret) {
NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
goto out;
@@ -787,7 +788,7 @@
}
} else
if (drm->client.device.info.chipset >= 0x25) {
- ret = RING_SPACE(chan, req->nr_push * 2);
+ ret = PUSH_WAIT(chan->chan.push, req->nr_push * 2);
if (ret) {
NV_PRINTK(err, cli, "cal_space: %d\n", ret);
goto out;
@@ -797,11 +798,11 @@
struct nouveau_bo *nvbo = (void *)(unsigned long)
bo[push[i].bo_index].user_priv;
- OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
- OUT_RING(chan, 0);
+ PUSH_CALL(chan->chan.push, nvbo->offset + push[i].offset);
+ PUSH_DATA(chan->chan.push, 0);
}
} else {
- ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
+ ret = PUSH_WAIT(chan->chan.push, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
if (ret) {
NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
goto out;
@@ -831,11 +832,10 @@
push[i].length - 8) / 4, cmd);
}
- OUT_RING(chan, 0x20000000 |
- (nvbo->bo.offset + push[i].offset));
- OUT_RING(chan, 0);
+ PUSH_JUMP(chan->chan.push, nvbo->offset + push[i].offset);
+ PUSH_DATA(chan->chan.push, 0);
for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
- OUT_RING(chan, 0);
+ PUSH_DATA(chan->chan.push, 0);
}
}
@@ -846,11 +846,35 @@
goto out;
}
+ if (sync) {
+ if (!(ret = nouveau_fence_wait(fence, false, false))) {
+ if ((ret = dma_fence_get_status(&fence->base)) == 1)
+ ret = 0;
+ }
+ }
+
out:
- validate_fini(&op, fence, bo);
+ validate_fini(&op, chan, fence, bo);
nouveau_fence_unref(&fence);
+ if (do_reloc) {
+ struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
+ u64_to_user_ptr(req->buffers);
+
+ for (i = 0; i < req->nr_buffers; i++) {
+ if (bo[i].presumed.valid)
+ continue;
+
+ if (copy_to_user(&upbbo[i].presumed, &bo[i].presumed,
+ sizeof(bo[i].presumed))) {
+ ret = -EFAULT;
+ break;
+ }
+ }
+ }
out_prevalid:
+ if (!IS_ERR(reloc))
+ u_free(reloc);
u_free(bo);
u_free(push);
@@ -888,7 +912,7 @@
return -ENOENT;
nvbo = nouveau_gem_object(gem);
- lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true,
+ lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
no_wait ? 0 : 30 * HZ);
if (!lret)
ret = -EBUSY;
@@ -898,7 +922,7 @@
ret = lret;
nouveau_bo_sync_for_cpu(nvbo);
- drm_gem_object_put_unlocked(gem);
+ drm_gem_object_put(gem);
return ret;
}
@@ -917,7 +941,7 @@
nvbo = nouveau_gem_object(gem);
nouveau_bo_sync_for_device(nvbo);
- drm_gem_object_put_unlocked(gem);
+ drm_gem_object_put(gem);
return 0;
}
@@ -934,7 +958,7 @@
return -ENOENT;
ret = nouveau_gem_info(file_priv, gem, req);
- drm_gem_object_put_unlocked(gem);
+ drm_gem_object_put(gem);
return ret;
}
--
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