The only remaining nouveau_drm.master struct member that's being used is
the mutex that protects its object tree. Move that into nouveau_drm and
remove nouveau_drm.master entirely.
Another patch series will make it possible to also remove the mutex, but
it's still required for the moment.
Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_drm.c | 39 +++++++++++----------------
drivers/gpu/drm/nouveau/nouveau_drv.h | 3 ++-
drivers/gpu/drm/nouveau/nouveau_mem.c | 12 ++++-----
3 files changed, 23 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index c6c9a528783a..85214d35fd5d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -208,11 +208,9 @@ nouveau_cli_fini(struct nouveau_cli *cli)
nvif_mmu_dtor(&cli->mmu);
cli->device.object.map.ptr = NULL;
nvif_device_dtor(&cli->device);
- if (cli != &cli->drm->master) {
- mutex_lock(&cli->drm->master.lock);
- nvif_client_dtor(&cli->base);
- mutex_unlock(&cli->drm->master.lock);
- }
+ mutex_lock(&cli->drm->client_mutex);
+ nvif_client_dtor(&cli->base);
+ mutex_unlock(&cli->drm->client_mutex);
}
static int
@@ -245,11 +243,9 @@ nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
INIT_LIST_HEAD(&cli->worker);
mutex_init(&cli->lock);
- if (cli != &drm->master) {
- mutex_lock(&drm->master.lock);
- ret = nvif_client_ctor(&drm->master.base, cli->name, &cli->base);
- mutex_unlock(&drm->master.lock);
- }
+ mutex_lock(&drm->client_mutex);
+ ret = nvif_client_ctor(&drm->_client, cli->name, &cli->base);
+ mutex_unlock(&drm->client_mutex);
if (ret) {
NV_PRINTK(err, cli, "Client allocation failed: %d\n", ret);
goto done;
@@ -602,7 +598,6 @@ nouveau_drm_device_fini(struct nouveau_drm *drm)
mutex_unlock(&drm->clients_lock);
nouveau_cli_fini(&drm->client);
- nouveau_cli_fini(&drm->master);
destroy_workqueue(drm->sched_wq);
mutex_destroy(&drm->clients_lock);
}
@@ -618,13 +613,9 @@ nouveau_drm_device_init(struct nouveau_drm *drm)
if (!drm->sched_wq)
return -ENOMEM;
- ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
- if (ret)
- goto fail_wq;
-
ret = nouveau_cli_init(drm, "DRM", &drm->client);
if (ret)
- goto fail_master;
+ goto fail_wq;
INIT_LIST_HEAD(&drm->clients);
mutex_init(&drm->clients_lock);
@@ -691,8 +682,6 @@ nouveau_drm_device_init(struct nouveau_drm *drm)
fail_ttm:
nouveau_vga_fini(drm);
nouveau_cli_fini(&drm->client);
-fail_master:
- nouveau_cli_fini(&drm->master);
fail_wq:
destroy_workqueue(drm->sched_wq);
return ret;
@@ -706,9 +695,10 @@ nouveau_drm_device_del(struct nouveau_drm *drm)
nvif_mmu_dtor(&drm->mmu);
nvif_device_dtor(&drm->device);
- nvif_client_dtor(&drm->master.base);
+ nvif_client_dtor(&drm->_client);
nvif_parent_dtor(&drm->parent);
+ mutex_destroy(&drm->client_mutex);
kfree(drm);
}
@@ -733,14 +723,15 @@ nouveau_drm_device_new(const struct drm_driver *drm_driver, struct device *paren
drm->nvkm = device;
nvif_parent_ctor(&nouveau_parent, &drm->parent);
- drm->master.base.object.parent = &drm->parent;
+ mutex_init(&drm->client_mutex);
+ drm->_client.object.parent = &drm->parent;
ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug, "drm",
- nouveau_name(parent), &drm->master.base);
+ nouveau_name(parent), &drm->_client);
if (ret)
goto done;
- ret = nvif_device_ctor(&drm->master.base, "drmDevice", &drm->device);
+ ret = nvif_device_ctor(&drm->_client, "drmDevice", &drm->device);
if (ret) {
NV_ERROR(drm, "Device allocation failed: %d\n", ret);
goto done;
@@ -966,7 +957,7 @@ nouveau_do_suspend(struct nouveau_drm *drm, bool runtime)
}
NV_DEBUG(drm, "suspending object tree...\n");
- ret = nvif_client_suspend(&drm->master.base);
+ ret = nvif_client_suspend(&drm->_client);
if (ret)
goto fail_client;
@@ -991,7 +982,7 @@ nouveau_do_resume(struct nouveau_drm *drm, bool runtime)
int ret = 0;
NV_DEBUG(drm, "resuming object tree...\n");
- ret = nvif_client_resume(&drm->master.base);
+ ret = nvif_client_resume(&drm->_client);
if (ret) {
NV_ERROR(drm, "Client resume failed with error: %d\n", ret);
return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 2535a50b99f3..630463668a76 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -203,10 +203,11 @@ u_memcpya(uint64_t user, unsigned int nmemb, unsigned int size)
struct nouveau_drm {
struct nvkm_device *nvkm;
struct nvif_parent parent;
+ struct mutex client_mutex;
+ struct nvif_client _client;
struct nvif_device device;
struct nvif_mmu mmu;
- struct nouveau_cli master;
struct nouveau_cli client;
struct drm_device *dev;
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index b112b62dca3c..fac92fdbf9cc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -80,9 +80,9 @@ nouveau_mem_fini(struct nouveau_mem *mem)
{
nvif_vmm_put(&mem->drm->client.vmm.vmm, &mem->vma[1]);
nvif_vmm_put(&mem->drm->client.vmm.vmm, &mem->vma[0]);
- mutex_lock(&mem->drm->master.lock);
+ mutex_lock(&mem->drm->client_mutex);
nvif_mem_dtor(&mem->mem);
- mutex_unlock(&mem->drm->master.lock);
+ mutex_unlock(&mem->drm->client_mutex);
}
int
@@ -113,11 +113,11 @@ nouveau_mem_host(struct ttm_resource *reg, struct ttm_tt *tt)
else
args.dma = tt->dma_address;
- mutex_lock(&drm->master.lock);
+ mutex_lock(&drm->client_mutex);
ret = nvif_mem_ctor_type(mmu, "ttmHostMem", mmu->mem, type, PAGE_SHIFT,
reg->size,
&args, sizeof(args), &mem->mem);
- mutex_unlock(&drm->master.lock);
+ mutex_unlock(&drm->client_mutex);
return ret;
}
@@ -130,7 +130,7 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
u64 size = ALIGN(reg->size, 1 << page);
int ret;
- mutex_lock(&drm->master.lock);
+ mutex_lock(&drm->client_mutex);
switch (mmu->mem) {
case NVIF_CLASS_MEM_GF100:
ret = nvif_mem_ctor_type(mmu, "ttmVram", mmu->mem,
@@ -154,7 +154,7 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
WARN_ON(1);
break;
}
- mutex_unlock(&drm->master.lock);
+ mutex_unlock(&drm->client_mutex);
reg->start = mem->mem.addr >> PAGE_SHIFT;
return ret;
--
2.45.1
