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-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h17
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c108
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c36
3 files changed, 100 insertions, 61 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index 2fa0445d8928..d1437c08645f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -187,7 +187,7 @@ struct nvkm_gsp {
void (*rpc_done)(struct nvkm_gsp *gsp, void *repv);
void *(*rm_ctrl_get)(struct nvkm_gsp_object *, u32 cmd, u32 argc);
- void *(*rm_ctrl_push)(struct nvkm_gsp_object *, void *argv, u32 repc);
+ int (*rm_ctrl_push)(struct nvkm_gsp_object *, void **argv, u32 repc);
void (*rm_ctrl_done)(struct nvkm_gsp_object *, void *repv);
void *(*rm_alloc_get)(struct nvkm_gsp_object *, u32 oclass, u32 argc);
@@ -265,7 +265,7 @@ nvkm_gsp_rm_ctrl_get(struct nvkm_gsp_object *object, u32 cmd, u32 argc)
return object->client->gsp->rm->rm_ctrl_get(object, cmd, argc);
}
-static inline void *
+static inline int
nvkm_gsp_rm_ctrl_push(struct nvkm_gsp_object *object, void *argv, u32 repc)
{
return object->client->gsp->rm->rm_ctrl_push(object, argv, repc);
@@ -275,21 +275,24 @@ static inline void *
nvkm_gsp_rm_ctrl_rd(struct nvkm_gsp_object *object, u32 cmd, u32 repc)
{
void *argv = nvkm_gsp_rm_ctrl_get(object, cmd, repc);
+ int ret;
if (IS_ERR(argv))
return argv;
- return nvkm_gsp_rm_ctrl_push(object, argv, repc);
+ ret = nvkm_gsp_rm_ctrl_push(object, &argv, repc);
+ if (ret)
+ return ERR_PTR(ret);
+ return argv;
}
static inline int
nvkm_gsp_rm_ctrl_wr(struct nvkm_gsp_object *object, void *argv)
{
- void *repv = nvkm_gsp_rm_ctrl_push(object, argv, 0);
-
- if (IS_ERR(repv))
- return PTR_ERR(repv);
+ int ret = nvkm_gsp_rm_ctrl_push(object, &argv, 0);
+ if (ret)
+ return ret;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
index 1c8c4cca0957..1b4f988df7ed 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/r535.c
@@ -282,7 +282,7 @@ r535_sor_bl_get(struct nvkm_ior *sor)
{
struct nvkm_disp *disp = sor->disp;
NV0073_CTRL_SPECIFIC_BACKLIGHT_BRIGHTNESS_PARAMS *ctrl;
- int lvl;
+ int ret, lvl;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_SPECIFIC_GET_BACKLIGHT_BRIGHTNESS,
@@ -292,9 +292,11 @@ r535_sor_bl_get(struct nvkm_ior *sor)
ctrl->displayId = BIT(sor->asy.outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
lvl = ctrl->brightness;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -649,9 +651,11 @@ r535_conn_new(struct nvkm_disp *disp, u32 id)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(id);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return (void *)ctrl;
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ERR_PTR(ret);
+ }
list_for_each_entry(conn, &disp->conns, head) {
if (conn->index == ctrl->data[0].index) {
@@ -686,7 +690,7 @@ r535_outp_acquire(struct nvkm_outp *outp, bool hda)
struct nvkm_disp *disp = outp->disp;
struct nvkm_ior *ior;
NV0073_CTRL_DFP_ASSIGN_SOR_PARAMS *ctrl;
- int or;
+ int ret, or;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_DFP_ASSIGN_SOR, sizeof(*ctrl));
@@ -699,9 +703,11 @@ r535_outp_acquire(struct nvkm_outp *outp, bool hda)
if (hda)
ctrl->flags |= NVDEF(NV0073_CTRL, DFP_ASSIGN_SOR_FLAGS, AUDIO, OPTIMAL);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
for (or = 0; or < ARRAY_SIZE(ctrl->sorAssignListWithTag); or++) {
if (ctrl->sorAssignListWithTag[or].displayMask & BIT(outp->index)) {
@@ -727,6 +733,7 @@ static int
r535_disp_head_displayid(struct nvkm_disp *disp, int head, u32 *displayid)
{
NV0073_CTRL_SYSTEM_GET_ACTIVE_PARAMS *ctrl;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_SYSTEM_GET_ACTIVE, sizeof(*ctrl));
@@ -736,9 +743,11 @@ r535_disp_head_displayid(struct nvkm_disp *disp, int head, u32 *displayid)
ctrl->subDeviceInstance = 0;
ctrl->head = head;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
*displayid = ctrl->displayId;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -772,9 +781,11 @@ r535_outp_inherit(struct nvkm_outp *outp)
ctrl->subDeviceInstance = 0;
ctrl->displayId = displayid;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
return NULL;
+ }
id = ctrl->index;
proto = ctrl->protocol;
@@ -825,6 +836,7 @@ r535_outp_dfp_get_info(struct nvkm_outp *outp)
{
NV0073_CTRL_DFP_GET_INFO_PARAMS *ctrl;
struct nvkm_disp *disp = outp->disp;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom, NV0073_CTRL_CMD_DFP_GET_INFO, sizeof(*ctrl));
if (IS_ERR(ctrl))
@@ -832,9 +844,11 @@ r535_outp_dfp_get_info(struct nvkm_outp *outp)
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
nvkm_debug(&disp->engine.subdev, "DFP %08x: flags:%08x flags2:%08x\n",
ctrl->displayId, ctrl->flags, ctrl->flags2);
@@ -858,9 +872,11 @@ r535_outp_detect(struct nvkm_outp *outp)
ctrl->subDeviceInstance = 0;
ctrl->displayMask = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
if (ctrl->displayMask & BIT(outp->index)) {
ret = r535_outp_dfp_get_info(outp);
@@ -895,6 +911,7 @@ r535_dp_mst_id_get(struct nvkm_outp *outp, u32 *pid)
{
NV0073_CTRL_CMD_DP_TOPOLOGY_ALLOCATE_DISPLAYID_PARAMS *ctrl;
struct nvkm_disp *disp = outp->disp;
+ int ret;
ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom,
NV0073_CTRL_CMD_DP_TOPOLOGY_ALLOCATE_DISPLAYID,
@@ -904,9 +921,11 @@ r535_dp_mst_id_get(struct nvkm_outp *outp, u32 *pid)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
*pid = ctrl->displayIdAssigned;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -964,9 +983,11 @@ r535_dp_train_target(struct nvkm_outp *outp, u8 target, bool mst, u8 link_nr, u8
!(outp->dp.dpcd[DPCD_RC03] & DPCD_RC03_TPS4_SUPPORTED))
ctrl->cmd |= NVDEF(NV0073_CTRL, DP_CMD, POST_LT_ADJ_REQ_GRANTED, YES);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
ret = ctrl->err ? -EIO : 0;
nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
@@ -1036,9 +1057,11 @@ r535_dp_aux_xfer(struct nvkm_outp *outp, u8 type, u32 addr, u8 *data, u8 *psize)
ctrl->size = !ctrl->bAddrOnly ? (size - 1) : 0;
memcpy(ctrl->data, data, size);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
return PTR_ERR(ctrl);
+ }
memcpy(data, ctrl->data, size);
*psize = ctrl->size;
@@ -1111,10 +1134,13 @@ r535_tmds_edid_get(struct nvkm_outp *outp, u8 *data, u16 *psize)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(outp->index);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
+ ret = -E2BIG;
if (ctrl->bufferSize <= *psize) {
memcpy(data, ctrl->edidBuffer, ctrl->bufferSize);
*psize = ctrl->bufferSize;
@@ -1153,9 +1179,11 @@ r535_outp_new(struct nvkm_disp *disp, u32 id)
ctrl->subDeviceInstance = 0;
ctrl->displayId = BIT(id);
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
switch (ctrl->type) {
case NV0073_CTRL_SPECIFIC_OR_TYPE_NONE:
@@ -1229,9 +1257,11 @@ r535_outp_new(struct nvkm_disp *disp, u32 id)
ctrl->sorIndex = ~0;
- ctrl = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, ctrl, sizeof(*ctrl));
- if (IS_ERR(ctrl))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&disp->rm.objcom, &ctrl, sizeof(*ctrl));
+ if (ret) {
+ nvkm_gsp_rm_ctrl_done(&disp->rm.objcom, ctrl);
+ return ret;
+ }
switch (NVVAL_GET(ctrl->maxLinkRate, NV0073_CTRL_CMD, DP_GET_CAPS, MAX_LINK_RATE)) {
case NV0073_CTRL_CMD_DP_GET_CAPS_MAX_LINK_RATE_1_62:
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 263dbe45bb36..642ce0dd0faf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -599,13 +599,13 @@ r535_gsp_rpc_rm_alloc_push(struct nvkm_gsp_object *object, void *argv, u32 repc)
if (rpc->status) {
ret = ERR_PTR(r535_rpc_status_to_errno(rpc->status));
- if (ret != -EAGAIN)
+ if (PTR_ERR(ret) != -EAGAIN)
nvkm_error(&gsp->subdev, "RM_ALLOC: 0x%x\n", rpc->status);
} else {
ret = repc ? rpc->params : NULL;
}
- if (IS_ERR_OR_NULL(ret))
+ if (ret)
nvkm_gsp_rpc_done(gsp, rpc);
return ret;
@@ -639,30 +639,34 @@ r535_gsp_rpc_rm_ctrl_done(struct nvkm_gsp_object *object, void *repv)
{
rpc_gsp_rm_control_v03_00 *rpc = container_of(repv, typeof(*rpc), params);
+ if (!repv)
+ return;
nvkm_gsp_rpc_done(object->client->gsp, rpc);
}
-static void *
-r535_gsp_rpc_rm_ctrl_push(struct nvkm_gsp_object *object, void *argv, u32 repc)
+static int
+r535_gsp_rpc_rm_ctrl_push(struct nvkm_gsp_object *object, void **argv, u32 repc)
{
- rpc_gsp_rm_control_v03_00 *rpc = container_of(argv, typeof(*rpc), params);
+ rpc_gsp_rm_control_v03_00 *rpc = container_of((*argv), typeof(*rpc), params);
struct nvkm_gsp *gsp = object->client->gsp;
- void *ret;
+ int ret = 0;
rpc = nvkm_gsp_rpc_push(gsp, rpc, true, repc);
- if (IS_ERR_OR_NULL(rpc))
- return rpc;
+ if (IS_ERR_OR_NULL(rpc)) {
+ *argv = NULL;
+ return PTR_ERR(rpc);
+ }
if (rpc->status) {
- ret = ERR_PTR(r535_rpc_status_to_errno(rpc->status));
+ ret = r535_rpc_status_to_errno(rpc->status);
if (ret != -EAGAIN)
nvkm_error(&gsp->subdev, "cli:0x%08x obj:0x%08x ctrl cmd:0x%08x failed: 0x%08x\n",
object->client->object.handle, object->handle, rpc->cmd, rpc->status);
- } else {
- ret = repc ? rpc->params : NULL;
}
- if (IS_ERR_OR_NULL(ret))
+ if (repc)
+ *argv = rpc->params;
+ else
nvkm_gsp_rpc_done(gsp, rpc);
return ret;
@@ -860,9 +864,11 @@ r535_gsp_intr_get_table(struct nvkm_gsp *gsp)
if (IS_ERR(ctrl))
return PTR_ERR(ctrl);
- ctrl = nvkm_gsp_rm_ctrl_push(&gsp->internal.device.subdevice, ctrl, sizeof(*ctrl));
- if (WARN_ON(IS_ERR(ctrl)))
- return PTR_ERR(ctrl);
+ ret = nvkm_gsp_rm_ctrl_push(&gsp->internal.device.subdevice, &ctrl, sizeof(*ctrl));
+ if (WARN_ON(ret)) {
+ nvkm_gsp_rm_ctrl_done(&gsp->internal.device.subdevice, ctrl);
+ return ret;
+ }
for (unsigned i = 0; i < ctrl->tableLen; i++) {
enum nvkm_subdev_type type;