drm/nouveau/nvif: modify nvif_unvers/nvif_unpack macros to be more obvious
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/include/nvif/unpack.h b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
index 5933188..751bcf4 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/unpack.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
@@ -1,24 +1,28 @@
#ifndef __NVIF_UNPACK_H__
#define __NVIF_UNPACK_H__
-#define nvif_unvers(d) ({ \
- ret = (size == sizeof(d)) ? 0 : -ENOSYS; \
- (ret == 0); \
+#define nvif_unvers(r,d,s,m) ({ \
+ void **_data = (d); __u32 *_size = (s); int _ret = (r); \
+ if (_ret == -ENOSYS && *_size == sizeof(m)) { \
+ *_data = NULL; \
+ *_size = _ret = 0; \
+ } \
+ _ret; \
})
-#define nvif_unpack(d,vl,vh,m) ({ \
- if ((vl) == 0 || ret == -ENOSYS) { \
- int _size = sizeof(d); \
- if (_size <= size && (d).version >= (vl) && \
- (d).version <= (vh)) { \
- data = (u8 *)data + _size; \
- size = size - _size; \
- ret = ((m) || !size) ? 0 : -E2BIG; \
- } else { \
- ret = -ENOSYS; \
+#define nvif_unpack(r,d,s,m,vl,vh,x) ({ \
+ void **_data = (d); __u32 *_size = (s); \
+ int _ret = (r), _vl = (vl), _vh = (vh); \
+ if (_ret == -ENOSYS && *_size >= sizeof(m) && \
+ (m).version >= _vl && (m).version <= _vh) { \
+ *_data = (__u8 *)*_data + sizeof(m); \
+ *_size = *_size - sizeof(m); \
+ if (_ret = 0, !(x)) { \
+ _ret = *_size ? -E2BIG : 0; \
+ *_data = NULL; \
+ *_size = 0; \
} \
} \
- (ret == 0); \
+ _ret; \
})
-
#endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 054ef97..50f52ff 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -357,9 +357,9 @@
} *args = data;
struct nouveau_abi16_chan *chan;
struct nouveau_abi16 *abi16;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
switch (args->v0.type) {
case NVIF_IOCTL_V0_NEW:
case NVIF_IOCTL_V0_MTHD:
diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.c b/drivers/gpu/drm/nouveau/nouveau_usif.c
index 6ae1b34..e9f52ef 100644
--- a/drivers/gpu/drm/nouveau/nouveau_usif.c
+++ b/drivers/gpu/drm/nouveau/nouveau_usif.c
@@ -130,20 +130,21 @@
struct nvif_notify_req_v0 v0;
} *req;
struct usif_notify *ntfy;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
if (usif_notify_find(f, args->v0.index))
return -EEXIST;
} else
return ret;
req = data;
+ ret = -ENOSYS;
if (!(ntfy = kmalloc(sizeof(*ntfy), GFP_KERNEL)))
return -ENOMEM;
atomic_set(&ntfy->enabled, 0);
- if (nvif_unpack(req->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, req->v0, 0, 0, true))) {
ntfy->reply = sizeof(struct nvif_notify_rep_v0) + req->v0.reply;
ntfy->route = req->v0.route;
ntfy->token = req->v0.token;
@@ -171,9 +172,9 @@
struct nvif_ioctl_ntfy_del_v0 v0;
} *args = data;
struct usif_notify *ntfy;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
if (!(ntfy = usif_notify_find(f, args->v0.index)))
return -ENOENT;
} else
@@ -194,9 +195,9 @@
struct nvif_ioctl_ntfy_del_v0 v0;
} *args = data;
struct usif_notify *ntfy;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
if (!(ntfy = usif_notify_find(f, args->v0.index)))
return -ENOENT;
} else
@@ -233,9 +234,9 @@
struct nvif_ioctl_ntfy_put_v0 v0;
} *args = data;
struct usif_notify *ntfy;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
if (!(ntfy = usif_notify_find(f, args->v0.index)))
return -ENOENT;
} else
@@ -270,13 +271,13 @@
struct nvif_ioctl_new_v0 v0;
} *args = data;
struct usif_object *object;
- int ret;
+ int ret = -ENOSYS;
if (!(object = kmalloc(sizeof(*object), GFP_KERNEL)))
return -ENOMEM;
list_add(&object->head, &cli->objects);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
object->route = args->v0.route;
object->token = args->v0.token;
args->v0.route = NVDRM_OBJECT_USIF;
@@ -310,7 +311,7 @@
if (ret = -EFAULT, copy_from_user(argv, user, size))
goto done;
- if (nvif_unpack(argv->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(-ENOSYS, &data, &size, argv->v0, 0, 0, true))) {
/* block access to objects not created via this interface */
owner = argv->v0.owner;
if (argv->v0.object == 0ULL)
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/client.c b/drivers/gpu/drm/nouveau/nvkm/core/client.c
index 98e6941..e194391 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/client.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/client.c
@@ -97,7 +97,7 @@
struct nvif_notify_req_v0 v0;
} *req = data;
u8 index, reply;
- int ret;
+ int ret = -ENOSYS;
for (index = 0; index < ARRAY_SIZE(client->notify); index++) {
if (!client->notify[index])
@@ -112,7 +112,7 @@
return -ENOMEM;
nvif_ioctl(object, "notify new size %d\n", size);
- if (nvif_unpack(req->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, req->v0, 0, 0, true))) {
nvif_ioctl(object, "notify new vers %d reply %d route %02x "
"token %llx\n", req->v0.version,
req->v0.reply, req->v0.route, req->v0.token);
@@ -144,10 +144,10 @@
union {
struct nv_client_devlist_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "client devlist size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "client devlist vers %d count %d\n",
args->v0.version, args->v0.count);
if (size == sizeof(args->v0.device[0]) * args->v0.count) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
index d87d6ab..b0db518 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
@@ -34,10 +34,10 @@
union {
struct nvif_ioctl_nop_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "nop size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "nop vers %lld\n", args->v0.version);
args->v0.version = NVIF_VERSION_LATEST;
}
@@ -52,10 +52,10 @@
struct nvif_ioctl_sclass_v0 v0;
} *args = data;
struct nvkm_oclass oclass;
- int ret, i = 0;
+ int ret = -ENOSYS, i = 0;
nvif_ioctl(object, "sclass size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "sclass vers %d count %d\n",
args->v0.version, args->v0.count);
if (size != args->v0.count * sizeof(args->v0.oclass[0]))
@@ -86,10 +86,10 @@
struct nvkm_client *client = parent->client;
struct nvkm_object *object = NULL;
struct nvkm_oclass oclass;
- int ret, i = 0;
+ int ret = -ENOSYS, i = 0;
nvif_ioctl(parent, "new size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(parent, "new vers %d handle %08x class %08x "
"route %02x token %llx object %016llx\n",
args->v0.version, args->v0.handle, args->v0.oclass,
@@ -147,10 +147,10 @@
union {
struct nvif_ioctl_del none;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "delete size %d\n", size);
- if (nvif_unvers(args->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
nvif_ioctl(object, "delete\n");
nvkm_object_fini(object, false);
nvkm_object_del(&object);
@@ -165,10 +165,10 @@
union {
struct nvif_ioctl_mthd_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "mthd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "mthd vers %d mthd %02x\n",
args->v0.version, args->v0.method);
ret = nvkm_object_mthd(object, args->v0.method, data, size);
@@ -189,10 +189,10 @@
u16 b16;
u32 b32;
} v;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "rd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "rd vers %d size %d addr %016llx\n",
args->v0.version, args->v0.size, args->v0.addr);
switch (args->v0.size) {
@@ -223,10 +223,10 @@
union {
struct nvif_ioctl_wr_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "wr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object,
"wr vers %d size %d addr %016llx data %08x\n",
args->v0.version, args->v0.size, args->v0.addr,
@@ -251,10 +251,10 @@
union {
struct nvif_ioctl_map_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "map size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "map vers %d\n", args->v0.version);
ret = nvkm_object_map(object, &args->v0.handle,
&args->v0.length);
@@ -269,10 +269,10 @@
union {
struct nvif_ioctl_unmap none;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "unmap size %d\n", size);
- if (nvif_unvers(args->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
nvif_ioctl(object, "unmap\n");
}
@@ -286,10 +286,10 @@
struct nvif_ioctl_ntfy_new_v0 v0;
} *args = data;
struct nvkm_event *event;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "ntfy new size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "ntfy new vers %d event %02x\n",
args->v0.version, args->v0.event);
ret = nvkm_object_ntfy(object, args->v0.event, &event);
@@ -312,10 +312,10 @@
union {
struct nvif_ioctl_ntfy_del_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "ntfy del size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "ntfy del vers %d index %d\n",
args->v0.version, args->v0.index);
ret = nvkm_client_notify_del(client, args->v0.index);
@@ -331,10 +331,10 @@
union {
struct nvif_ioctl_ntfy_get_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "ntfy get size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "ntfy get vers %d index %d\n",
args->v0.version, args->v0.index);
ret = nvkm_client_notify_get(client, args->v0.index);
@@ -350,10 +350,10 @@
union {
struct nvif_ioctl_ntfy_put_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "ntfy put size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "ntfy put vers %d index %d\n",
args->v0.version, args->v0.index);
ret = nvkm_client_notify_put(client, args->v0.index);
@@ -421,12 +421,12 @@
union {
struct nvif_ioctl_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
client->super = supervisor;
nvif_ioctl(object, "size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object,
"vers %d type %02x object %016llx owner %02x\n",
args->v0.version, args->v0.type, args->v0.object,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
index 5e84b2f..b0ece71a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c
@@ -38,10 +38,10 @@
struct nvif_control_pstate_info_v0 v0;
} *args = data;
struct nvkm_clk *clk = ctrl->device->clk;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(&ctrl->object, "control pstate info size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(&ctrl->object, "control pstate info vers %d\n",
args->v0.version);
} else
@@ -76,10 +76,10 @@
struct nvkm_cstate *cstate;
int i = 0, j = -1;
u32 lo, hi;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(&ctrl->object, "control pstate attr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(&ctrl->object,
"control pstate attr vers %d state %d index %d\n",
args->v0.version, args->v0.state, args->v0.index);
@@ -144,10 +144,10 @@
struct nvif_control_pstate_user_v0 v0;
} *args = data;
struct nvkm_clk *clk = ctrl->device->clk;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(&ctrl->object, "control pstate user size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(&ctrl->object,
"control pstate user vers %d ustate %d pwrsrc %d\n",
args->v0.version, args->v0.ustate, args->v0.pwrsrc);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
index 22a2d76..1370664 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
@@ -49,10 +49,10 @@
union {
struct nv_device_info_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "device info size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "device info vers %d\n", args->v0.version);
} else
return ret;
@@ -124,13 +124,16 @@
static int
nvkm_udevice_time(struct nvkm_udevice *udev, void *data, u32 size)
{
+ struct nvkm_object *object = &udev->object;
struct nvkm_device *device = udev->device;
union {
struct nv_device_time_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ nvif_ioctl(object, "device time size %d\n", size);
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
+ nvif_ioctl(object, "device time vers %d\n", args->v0.version);
args->v0.time = nvkm_timer_read(device->timer);
}
@@ -141,6 +144,7 @@
nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
struct nvkm_udevice *udev = nvkm_udevice(object);
+ nvif_ioctl(object, "device mthd %08x\n", mthd);
switch (mthd) {
case NV_DEVICE_V0_INFO:
return nvkm_udevice_info(udev, data, size);
@@ -332,10 +336,10 @@
struct nvkm_object *parent = &client->object;
const struct nvkm_object_func *func;
struct nvkm_udevice *udev;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create device size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create device v%d device %016llx\n",
args->v0.version, args->v0.device);
} else
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
index 9ac1638..785fa76 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
@@ -59,9 +59,9 @@
union {
struct nvif_notify_head_req_v0 v0;
} *req = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(req->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, req->v0, 0, 0, false))) {
notify->size = sizeof(struct nvif_notify_head_rep_v0);
if (ret = -ENXIO, req->v0.head <= disp->vblank.index_nr) {
notify->types = 1;
@@ -97,9 +97,9 @@
struct nvif_notify_conn_req_v0 v0;
} *req = data;
struct nvkm_output *outp;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(req->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, req->v0, 0, 0, false))) {
notify->size = sizeof(struct nvif_notify_conn_rep_v0);
list_for_each_entry(outp, &disp->outp, head) {
if (ret = -ENXIO, outp->conn->index == req->v0.conn) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c
index 23e3d43..83f1523 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c
@@ -42,11 +42,11 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
- int head, ret;
+ int head, ret = -ENOSYS;
u64 push;
nvif_ioctl(parent, "create disp base channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp base channel dma vers %d "
"pushbuf %016llx head %d\n",
args->v0.version, args->v0.pushbuf, args->v0.head);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
index 41d0ad2..dd2953b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
@@ -134,9 +134,9 @@
union {
struct nvif_notify_uevent_req none;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unvers(args->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
notify->size = sizeof(struct nvif_notify_uevent_rep);
notify->types = 1;
notify->index = chan->chid;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c
index 6901b71..b547c8b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c
@@ -43,10 +43,10 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
u64 push;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create disp core channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp core channel dma vers %d "
"pushbuf %016llx\n",
args->v0.version, args->v0.pushbuf);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
index 3e9d27e..8b13204 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
@@ -42,10 +42,10 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
- int head, ret;
+ int head, ret = -ENOSYS;
nvif_ioctl(parent, "create disp cursor size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp cursor vers %d head %d\n",
args->v0.version, args->v0.head);
if (args->v0.head > disp->base.head.nr)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
index 4a3e0f1..c9b78b8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacnv50.c
@@ -39,10 +39,10 @@
struct nv50_disp_dac_pwr_v0 v0;
} *args = data;
u32 stat;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp dac pwr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp dac pwr vers %d state %d data %d "
"vsync %d hsync %d\n",
args->v0.version, args->v0.state, args->v0.data,
@@ -76,10 +76,10 @@
} *args = data;
const u32 doff = outp->or * 0x800;
u32 loadval;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp dac load size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp dac load vers %d data %08x\n",
args->v0.version, args->v0.data);
if (args->v0.data & 0xfff00000)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
index ae7343d..da6129b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
@@ -41,10 +41,10 @@
} *args = data;
const u32 soff = outp->or * 0x030;
const u32 hoff = head * 0x800;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(object, "disp sor hda eld size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp sor hda eld vers %d\n",
args->v0.version);
if (size > 0x60)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
index e6390e9..6f0436d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
@@ -38,10 +38,10 @@
struct nv50_disp_sor_hda_eld_v0 v0;
} *args = data;
const u32 soff = outp->or * 0x800;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(object, "disp sor hda eld size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp sor hda eld vers %d\n",
args->v0.version);
if (size > 0x60)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmig84.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmig84.c
index 3eca62a..1c4256e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmig84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmig84.c
@@ -37,10 +37,10 @@
struct nv50_disp_sor_hdmi_pwr_v0 v0;
} *args = data;
u32 ctrl;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
"max_ac_packet %d rekey %d\n",
args->v0.version, args->v0.state,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigf119.c
index 62ca1fe..632f02d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigf119.c
@@ -37,10 +37,10 @@
struct nv50_disp_sor_hdmi_pwr_v0 v0;
} *args = data;
u32 ctrl;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
"max_ac_packet %d rekey %d\n",
args->v0.version, args->v0.state,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigk104.c
index efba0e1..4e8067d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigk104.c
@@ -38,10 +38,10 @@
struct nv50_disp_sor_hdmi_pwr_v0 v0;
} *args = data;
u32 ctrl;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
"max_ac_packet %d rekey %d\n",
args->v0.version, args->v0.state,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
index 472444c..f1afc16 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigt215.c
@@ -38,10 +38,10 @@
struct nv50_disp_sor_hdmi_pwr_v0 v0;
} *args = data;
u32 ctrl;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
"max_ac_packet %d rekey %d\n",
args->v0.version, args->v0.state,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/oimmnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/oimmnv50.c
index 8e9a064..3940b9c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/oimmnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/oimmnv50.c
@@ -42,10 +42,10 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
- int head, ret;
+ int head, ret = -ENOSYS;
nvif_ioctl(parent, "create disp overlay size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp overlay vers %d head %d\n",
args->v0.version, args->v0.head);
if (args->v0.head > disp->base.head.nr)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c
index 503e9b5..2a49c46 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c
@@ -42,11 +42,11 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
- int head, ret;
+ int head, ret = -ENOSYS;
u64 push;
nvif_ioctl(parent, "create disp overlay channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp overlay channel dma vers %d "
"pushbuf %016llx head %d\n",
args->v0.version, args->v0.pushbuf, args->v0.head);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
index dcd1836..6c532ea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
@@ -40,10 +40,10 @@
struct nv50_disp_pior_pwr_v0 v0;
} *args = data;
u32 ctrl, type;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp pior pwr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp pior pwr vers %d state %d type %x\n",
args->v0.version, args->v0.state, args->v0.type);
if (args->v0.type > 0x0f)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c
index 09d1206..335d888 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c
@@ -42,10 +42,10 @@
union {
struct nv50_disp_scanoutpos_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp scanoutpos size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp scanoutpos vers %d\n",
args->v0.version);
args->v0.vblanke = (blanke & 0xffff0000) >> 16;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
index d73f1c6..f535f43 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
@@ -46,10 +46,10 @@
struct nv04_disp_scanoutpos_v0 v0;
} *args = data;
u32 line;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp scanoutpos size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp scanoutpos vers %d\n",
args->v0.version);
args->v0.vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0xffff;
@@ -86,10 +86,10 @@
union {
struct nv04_disp_mthd_v0 v0;
} *args = data;
- int head, ret;
+ int head, ret = -ENOSYS;
nvif_ioctl(object, "disp mthd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
args->v0.version, args->v0.method, args->v0.head);
mthd = args->v0.method;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
index 2aba84d..2f9cecd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
@@ -42,10 +42,10 @@
union {
struct nv50_disp_scanoutpos_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp scanoutpos size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp scanoutpos vers %d\n",
args->v0.version);
args->v0.vblanke = (blanke & 0xffff0000) >> 16;
@@ -79,19 +79,19 @@
struct nvkm_output *outp = NULL;
struct nvkm_output *temp;
u16 type, mask = 0;
- int head, ret;
+ int head, ret = -ENOSYS;
if (mthd != NV50_DISP_MTHD)
return -EINVAL;
nvif_ioctl(object, "disp mthd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
args->v0.version, args->v0.method, args->v0.head);
mthd = args->v0.method;
head = args->v0.head;
} else
- if (nvif_unpack(args->v1, 1, 1, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v1, 1, 1, true))) {
nvif_ioctl(object, "disp mthd vers %d mthd %02x "
"type %04x mask %04x\n",
args->v1.version, args->v1.method,
@@ -144,8 +144,9 @@
union {
struct nv50_disp_sor_lvds_script_v0 v0;
} *args = data;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor lvds script size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor lvds script "
"vers %d name %04x\n",
args->v0.version, args->v0.script);
@@ -160,8 +161,9 @@
union {
struct nv50_disp_sor_dp_pwr_v0 v0;
} *args = data;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor dp pwr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor dp pwr vers %d state %d\n",
args->v0.version, args->v0.state);
if (args->v0.state == 0) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
index 6e8c954..53596be 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c
@@ -39,10 +39,10 @@
} *args = data;
const u32 soff = outp->or * 0x800;
u32 stat;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "disp sor pwr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor pwr vers %d state %d\n",
args->v0.version, args->v0.state);
stat = !!args->v0.state;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
index 4a4e3b1..13c661b1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
@@ -69,7 +69,7 @@
struct nvkm_fb *fb = device->fb;
void *data = *pdata;
u32 size = *psize;
- int ret;
+ int ret = -ENOSYS;
nvkm_object_ctor(&nvkm_dmaobj_func, oclass, &dmaobj->object);
dmaobj->func = func;
@@ -77,7 +77,7 @@
RB_CLEAR_NODE(&dmaobj->rb);
nvif_ioctl(parent, "create dma size %d\n", *psize);
- if (nvif_unpack(args->v0, 0, 0, true)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(parent, "create dma vers %d target %d access %d "
"start %016llx limit %016llx\n",
args->v0.version, args->v0.target, args->v0.access,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf100.c
index 93435a4..ef7ac36 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf100.c
@@ -87,10 +87,11 @@
if (ret)
return ret;
+ ret = -ENOSYS;
args = data;
nvif_ioctl(parent, "create gf100 dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent,
"create gf100 dma vers %d priv %d kind %02x\n",
args->v0.version, args->v0.priv, args->v0.kind);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf119.c
index fc7c97e..c068cee 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usergf119.c
@@ -85,10 +85,11 @@
if (ret)
return ret;
+ ret = -ENOSYS;
args = data;
nvif_ioctl(parent, "create gf119 dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent,
"create gf100 dma vers %d page %d kind %02x\n",
args->v0.version, args->v0.page, args->v0.kind);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv50.c
index f3ec8df..6a85b5d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv50.c
@@ -87,10 +87,11 @@
if (ret)
return ret;
+ ret = -ENOSYS;
args = data;
nvif_ioctl(parent, "create nv50 dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create nv50 dma vers %d priv %d part %d "
"comp %d kind %02x\n", args->v0.version,
args->v0.priv, args->v0.part, args->v0.comp,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
index 1fbbfbe..cfc7d57 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
@@ -129,9 +129,9 @@
union {
struct nvif_notify_uevent_req none;
} *req = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unvers(req->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, req->none))) {
notify->size = sizeof(struct nvif_notify_uevent_rep);
notify->types = 1;
notify->index = 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
index 4091727..caa9140 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
@@ -40,10 +40,10 @@
} *args = data;
struct nv50_fifo *fifo = nv50_fifo(base);
struct nv50_fifo_chan *chan;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d vm %llx "
"pushbuf %llx offset %016llx\n",
args->v0.version, args->v0.vm, args->v0.pushbuf,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
index 51af281..edec30f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
@@ -168,10 +168,10 @@
struct nv04_fifo_chan *chan = NULL;
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_instmem *imem = device->imem;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
"offset %08x\n", args->v0.version,
args->v0.pushbuf, args->v0.offset);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
index e676af4..f5f355f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
@@ -44,10 +44,10 @@
struct nv04_fifo_chan *chan = NULL;
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_instmem *imem = device->imem;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
"offset %08x\n", args->v0.version,
args->v0.pushbuf, args->v0.offset);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
index ee364e2..7edc6a5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
@@ -44,10 +44,10 @@
struct nv04_fifo_chan *chan = NULL;
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_instmem *imem = device->imem;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
"offset %08x\n", args->v0.version,
args->v0.pushbuf, args->v0.offset);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
index c75a41e..0ec179f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
@@ -189,10 +189,10 @@
struct nv04_fifo_chan *chan = NULL;
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_instmem *imem = device->imem;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
"offset %08x\n", args->v0.version,
args->v0.pushbuf, args->v0.offset);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
index 982bed0..480bc37 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
@@ -40,10 +40,10 @@
} *args = data;
struct nv50_fifo *fifo = nv50_fifo(base);
struct nv50_fifo_chan *chan;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel dma size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel dma vers %d vm %llx "
"pushbuf %llx offset %016llx\n",
args->v0.version, args->v0.vm, args->v0.pushbuf,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
index e463100..77c2f2a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
@@ -41,10 +41,10 @@
struct nv50_fifo *fifo = nv50_fifo(base);
struct nv50_fifo_chan *chan;
u64 ioffset, ilength;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"pushbuf %llx ioffset %016llx "
"ilength %08x\n",
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
index 8db9cf0..cbc67f2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
@@ -200,10 +200,10 @@
struct nvkm_object *parent = oclass->parent;
struct gf100_fifo_chan *chan;
u64 usermem, ioffset, ilength;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"ioffset %016llx ilength %08x\n",
args->v0.version, args->v0.vm, args->v0.ioffset,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
index ba2bfe5..2e1df01 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -214,10 +214,10 @@
struct gk104_fifo_chan *chan;
u64 usermem, ioffset, ilength;
u32 engines;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"ioffset %016llx ilength %08x engine %08x\n",
args->v0.version, args->v0.vm, args->v0.ioffset,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
index 94456ca..c5a7de9d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
@@ -41,10 +41,10 @@
struct nv50_fifo *fifo = nv50_fifo(base);
struct nv50_fifo_chan *chan;
u64 ioffset, ilength;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"pushbuf %llx ioffset %016llx "
"ilength %08x\n",
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index d423a06..3c6effb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -148,9 +148,9 @@
union {
struct fermi_a_zbc_color_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
switch (args->v0.format) {
case FERMI_A_ZBC_COLOR_V0_FMT_ZERO:
case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE:
@@ -194,9 +194,9 @@
union {
struct fermi_a_zbc_depth_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
switch (args->v0.format) {
case FERMI_A_ZBC_DEPTH_V0_FMT_FP32:
ret = gf100_gr_zbc_depth_get(gr, args->v0.format,
@@ -214,6 +214,7 @@
static int
gf100_fermi_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
+ nvif_ioctl(object, "fermi mthd %08x\n", mthd);
switch (mthd) {
case FERMI_A_ZBC_COLOR:
return gf100_fermi_mthd_zbc_color(object, data, size);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
index 344b1e5..f19fabe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
@@ -212,10 +212,10 @@
} *args = data;
struct nvkm_object *object = &dom->object;
struct nvkm_pm *pm = dom->perfmon->pm;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(object, "perfdom init size %d\n", size);
- if (nvif_unvers(args->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
nvif_ioctl(object, "perfdom init\n");
} else
return ret;
@@ -242,10 +242,10 @@
} *args = data;
struct nvkm_object *object = &dom->object;
struct nvkm_pm *pm = dom->perfmon->pm;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(object, "perfdom sample size %d\n", size);
- if (nvif_unvers(args->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, args->none))) {
nvif_ioctl(object, "perfdom sample\n");
} else
return ret;
@@ -266,10 +266,10 @@
} *args = data;
struct nvkm_object *object = &dom->object;
struct nvkm_pm *pm = dom->perfmon->pm;
- int ret, i;
+ int ret = -ENOSYS, i;
nvif_ioctl(object, "perfdom read size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "perfdom read vers %d\n", args->v0.version);
} else
return ret;
@@ -376,10 +376,10 @@
struct nvkm_perfctr *ctr[4] = {};
struct nvkm_perfdom *dom;
int c, s, m;
- int ret;
+ int ret = -ENOSYS;
nvif_ioctl(parent, "create perfdom size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create perfdom vers %d dom %d mode %02x\n",
args->v0.version, args->v0.domain, args->v0.mode);
} else
@@ -441,10 +441,10 @@
struct nvkm_pm *pm = perfmon->pm;
struct nvkm_perfdom *dom;
u8 domain_nr;
- int di, ret;
+ int di, ret = -ENOSYS;
nvif_ioctl(object, "perfmon query domain size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "perfmon domain vers %d iter %02x\n",
args->v0.version, args->v0.iter);
di = (args->v0.iter & 0xff) - 1;
@@ -492,10 +492,10 @@
struct nvkm_perfsig *sig;
const bool all = nvkm_boolopt(device->cfgopt, "NvPmShowAll", false);
const bool raw = nvkm_boolopt(device->cfgopt, "NvPmUnnamed", all);
- int ret, si;
+ int ret = -ENOSYS, si;
nvif_ioctl(object, "perfmon query signal size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object,
"perfmon query signal vers %d dom %d iter %04x\n",
args->v0.version, args->v0.domain, args->v0.iter);
@@ -545,10 +545,10 @@
struct nvkm_perfsig *sig;
struct nvkm_perfsrc *src;
u8 source_nr = 0;
- int si, ret;
+ int si, ret = -ENOSYS;
nvif_ioctl(object, "perfmon query source size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object,
"perfmon source vers %d dom %d sig %02x iter %02x\n",
args->v0.version, args->v0.domain, args->v0.signal,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
index d082f4f..f289670 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
@@ -53,9 +53,9 @@
union {
struct nvif_notify_uevent_req none;
} *req = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unvers(req->none)) {
+ if (!(ret = nvif_unvers(ret, &data, &size, req->none))) {
notify->size = sizeof(struct nvif_notify_uevent_rep);
notify->types = 1;
notify->index = 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
index 648caac..b6675fe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
@@ -47,9 +47,9 @@
union {
struct nv04_nvsw_get_ref_v0 v0;
} *args = data;
- int ret;
+ int ret = -ENOSYS;
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
args->v0.ref = atomic_read(&chan->ref);
}