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Revert "video: tegra: host: add prefence signal support"

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This reverts commit 109f8e8c53e5296ea8c782086500c2e78d99cfbd.

Change-Id: I4fd6f37e271c52f4a1c1b6870c0b1355118a301d
Signed-off-by: Sachin Jadhav <sachinj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2133502
This commit is contained in:
Sachin Jadhav
2019-06-10 02:53:59 -07:00
committed by Laxman Dewangan
parent ef831a5207
commit f9f2c6598d
4 changed files with 31 additions and 229 deletions
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10
drivers/video/tegra/host/nvdla/nvdla.h
View File

@@ -99,8 +99,6 @@
*/ */
#define MAX_NUM_NVDLA_PREFENCES 32 #define MAX_NUM_NVDLA_PREFENCES 32
#define MAX_NUM_NVDLA_POSTFENCES 32 #define MAX_NUM_NVDLA_POSTFENCES 32
#define MAX_NUM_NVDLA_EMU_PREFENCES 16
#define MAX_NUM_NVDLA_EMU_POSTFENCES 16
#define MAX_NUM_NVDLA_IN_TASK_STATUS MAX_NUM_NVDLA_PREFENCES #define MAX_NUM_NVDLA_IN_TASK_STATUS MAX_NUM_NVDLA_PREFENCES
#define MAX_NUM_NVDLA_OUT_TASK_STATUS MAX_NUM_NVDLA_POSTFENCES #define MAX_NUM_NVDLA_OUT_TASK_STATUS MAX_NUM_NVDLA_POSTFENCES
#define NUM_PROFILING_POSTACTION 1 #define NUM_PROFILING_POSTACTION 1
@@ -221,9 +219,7 @@ struct nvdla_device {
* *
* @queue Queue in which task submitted * @queue Queue in which task submitted
* @sp pointer to syncpt * @sp pointer to syncpt
* @prefences pointer to pre fences
* @postfences pointer to post fences * @postfences pointer to post fences
* @num_prefences Number of prefences in task
* @num_postfences Number of postfences in task * @num_postfences Number of postfences in task
* @fence Fence tracking for current task * @fence Fence tracking for current task
* @fence_counter Counter used to track fence value * @fence_counter Counter used to track fence value
@@ -232,9 +228,7 @@ struct nvdla_device {
struct nvdla_emu_task { struct nvdla_emu_task {
struct nvdla_queue *queue; struct nvdla_queue *queue;
struct nvhost_syncpt *sp; struct nvhost_syncpt *sp;
struct nvdev_fence prefences[MAX_NUM_NVDLA_EMU_PREFENCES]; struct nvdev_fence postfences[MAX_NUM_NVDLA_POSTFENCES];
struct nvdev_fence postfences[MAX_NUM_NVDLA_EMU_POSTFENCES];
u32 num_prefences;
u32 num_postfences; u32 num_postfences;
u32 fence; u32 fence;
u32 fence_counter; u32 fence_counter;
@@ -408,7 +402,7 @@ int nvdla_free_gcov_region(struct platform_device *pdev, bool update_region);
int nvdla_emulator_submit(struct nvdla_queue *queue, int nvdla_emulator_submit(struct nvdla_queue *queue,
struct nvdla_emu_task *task); struct nvdla_emu_task *task);
void task_free(struct kref *ref); void task_free(struct kref *ref);
int nvdla_get_signal_fences(struct nvdla_queue *queue, void *in_task); int nvdla_get_postfences(struct nvdla_queue *queue, void *in_task);
int nvdla_send_gos_region(struct platform_device *pdev); int nvdla_send_gos_region(struct platform_device *pdev);
#endif /* End of __NVHOST_NVDLA_H__ */ #endif /* End of __NVHOST_NVDLA_H__ */

137
drivers/video/tegra/host/nvdla/nvdla_ioctl.c
View File

@@ -392,66 +392,20 @@ fail:
return err; return err;
} }
static int nvdla_send_emu_signal_fences(struct nvdla_emu_task *task, static int nvdla_send_emu_postfences(struct nvdla_emu_task *task,
struct nvdla_ioctl_emu_submit_task *user_task) struct nvdla_ioctl_emu_submit_task *user_task)
{ {
int err = 0, i; int err = 0, i;
struct platform_device *dla_pdev = task->queue->pool->pdev; struct platform_device *dla_pdev = task->queue->pool->pdev;
struct platform_device *host_pdev = struct platform_device *host_pdev =
to_platform_device(dla_pdev->dev.parent); to_platform_device(dla_pdev->dev.parent);
struct nvdev_fence __user *prefences =
(struct nvdev_fence __user *)(uintptr_t)user_task->prefences;
struct nvdev_fence __user *postfences = struct nvdev_fence __user *postfences =
(struct nvdev_fence __user *)(uintptr_t)user_task->postfences; (struct nvdev_fence __user *)(uintptr_t)user_task->postfences;
char fence_name[32]; char fence_name[32];
nvdla_dbg_fn(dla_pdev, "sending signal fences"); nvdla_dbg_fn(dla_pdev, "sending post fences");
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if (task->prefences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) {
struct nvhost_ctrl_sync_fence_info info;
info.id = task->prefences[i].syncpoint_index;
info.thresh = task->prefences[i].syncpoint_value;
nvdla_dbg_info(dla_pdev,
"creating pre sync fd [%d]:[%d]\n",
info.id, info.thresh);
/* create fence name format example: nvdla0_1_fence */
snprintf(fence_name, sizeof(fence_name),
"%s_%d_%d_prefence", dev_name(&dla_pdev->dev),
task->prefences[i].syncpoint_index, i);
err = nvhost_sync_create_fence_fd(host_pdev,
&info, 1, fence_name,
&task->prefences[i].sync_fd);
if (err) {
nvdla_dbg_err(dla_pdev,
"fail to create prefence syncfd\n");
goto fail;
}
}
}
nvdla_dbg_fn(dla_pdev, "copy prefences to user");
/* send pre fences */
if (copy_to_user(prefences, task->prefences,
(task->num_prefences * sizeof(struct nvdev_fence)))) {
err = -EFAULT;
nvdla_dbg_err(dla_pdev, "failed to send prefences");
goto fail;
}
nvdla_dbg_info(dla_pdev, "prefences sent");
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) { if (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) {
struct nvhost_ctrl_sync_fence_info info; struct nvhost_ctrl_sync_fence_info info;
@@ -464,8 +418,8 @@ static int nvdla_send_emu_signal_fences(struct nvdla_emu_task *task,
/* create fence name format example: nvdla0_1_fence */ /* create fence name format example: nvdla0_1_fence */
snprintf(fence_name, sizeof(fence_name), snprintf(fence_name, sizeof(fence_name),
"%s_%d_%d_postfence", dev_name(&dla_pdev->dev), "%s_%d_fence", dev_name(&dla_pdev->dev),
task->postfences[i].syncpoint_index, i); task->postfences[i].syncpoint_index);
err = nvhost_sync_create_fence_fd(host_pdev, err = nvhost_sync_create_fence_fd(host_pdev,
&info, 1, fence_name, &info, 1, fence_name,
@@ -493,67 +447,20 @@ fail:
return err; return err;
} }
static int nvdla_update_signal_fences(struct nvdla_task *task, static int nvdla_update_postfences(struct nvdla_task *task,
struct nvdla_ioctl_submit_task *user_task) struct nvdla_ioctl_submit_task *user_task)
{ {
int err = 0, i; int err = 0, i;
struct platform_device *dla_pdev = task->queue->pool->pdev; struct platform_device *dla_pdev = task->queue->pool->pdev;
struct platform_device *host_pdev = struct platform_device *host_pdev =
to_platform_device(dla_pdev->dev.parent); to_platform_device(dla_pdev->dev.parent);
struct nvdev_fence __user *prefences =
(struct nvdev_fence __user *)(uintptr_t)user_task->prefences;
struct nvdev_fence __user *postfences = struct nvdev_fence __user *postfences =
(struct nvdev_fence __user *)(uintptr_t)user_task->postfences; (struct nvdev_fence __user *)(uintptr_t)user_task->postfences;
char fence_name[32]; char fence_name[32];
nvdla_dbg_fn(dla_pdev, "copy fences for user"); nvdla_dbg_fn(dla_pdev, "copy post fences for user");
/* update pre fence signals to users */
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if (task->prefences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) {
struct nvhost_ctrl_sync_fence_info info;
info.id = task->prefences[i].syncpoint_index;
info.thresh = task->prefences[i].syncpoint_value;
nvdla_dbg_info(dla_pdev,
"creating pre sync fd [%d]:[%d]\n",
info.id, info.thresh);
/* create fence name format example: nvdla0_1_fence */
snprintf(fence_name, sizeof(fence_name),
"%s_%d_%d_prefence", dev_name(&dla_pdev->dev),
task->prefences[i].syncpoint_index, i);
err = nvhost_sync_create_fence_fd(host_pdev,
&info, 1, fence_name,
&task->prefences[i].sync_fd);
if (err) {
nvdla_dbg_err(dla_pdev,
"fail to create prefence syncfd\n");
goto fail;
}
}
}
nvdla_dbg_fn(dla_pdev, "copy prefences to user");
/* copy pre fences */
if (copy_to_user(prefences, task->prefences,
(task->num_prefences * sizeof(struct nvdev_fence)))) {
err = -EFAULT;
nvdla_dbg_err(dla_pdev, "failed to copy prefences");
goto fail;
}
/* update post fence signals to user */
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) { if (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD) {
struct nvhost_ctrl_sync_fence_info info; struct nvhost_ctrl_sync_fence_info info;
@@ -566,8 +473,8 @@ static int nvdla_update_signal_fences(struct nvdla_task *task,
/* create fence name format example: nvdla0_1_fence */ /* create fence name format example: nvdla0_1_fence */
snprintf(fence_name, sizeof(fence_name), snprintf(fence_name, sizeof(fence_name),
"%s_%d_%d_postfence", dev_name(&dla_pdev->dev), "%s_%d_fence", dev_name(&dla_pdev->dev),
task->postfences[i].syncpoint_index, i); task->postfences[i].syncpoint_index);
err = nvhost_sync_create_fence_fd(host_pdev, err = nvhost_sync_create_fence_fd(host_pdev,
&info, 1, fence_name, &info, 1, fence_name,
@@ -624,9 +531,9 @@ static int nvdla_val_task_submit_input(struct nvdla_ioctl_submit_task *in_task)
MAX_NUM_NVDLA_OUT_TASK_STATUS); MAX_NUM_NVDLA_OUT_TASK_STATUS);
return -EINVAL; return -EINVAL;
} }
if (in_task->num_addresses < 1) { if (in_task->num_addresses < 1) {
pr_err("num addresses[%u] should be min one\n", pr_err("num addresses[%u] should be min one\n",
in_task->num_addresses); in_task->num_addresses);
return -EINVAL; return -EINVAL;
} }
if (in_task->num_addresses > NVDLA_MAX_BUFFERS_PER_TASK) { if (in_task->num_addresses > NVDLA_MAX_BUFFERS_PER_TASK) {
@@ -811,18 +718,8 @@ static int nvdla_emu_task_submit(struct nvdla_private *priv, void *arg)
nvdla_dbg_info(pdev, "submit [%d]th task", i + 1); nvdla_dbg_info(pdev, "submit [%d]th task", i + 1);
task.num_prefences = local_tasks[i].num_prefences;
task.num_postfences = local_tasks[i].num_postfences; task.num_postfences = local_tasks[i].num_postfences;
/* get pre fences */
if (copy_from_user(task.prefences,
(void __user *)local_tasks[i].prefences,
(task.num_prefences * sizeof(struct nvdev_fence)))) {
err = -EFAULT;
nvdla_dbg_err(pdev, "failed to copy prefences");
goto exit;
}
/* get post fences */ /* get post fences */
if (copy_from_user(task.postfences, if (copy_from_user(task.postfences,
(void __user *)local_tasks[i].postfences, (void __user *)local_tasks[i].postfences,
@@ -839,13 +736,13 @@ static int nvdla_emu_task_submit(struct nvdla_private *priv, void *arg)
} }
nvdla_dbg_info(pdev, "task[%d] submitted", i + 1); nvdla_dbg_info(pdev, "task[%d] submitted", i + 1);
/* send signal fences to user */ /* send fences to user */
err = nvdla_send_emu_signal_fences(&task, local_tasks + i); err = nvdla_send_emu_postfences(&task, local_tasks + i);
if (err) { if (err) {
nvdla_dbg_err(pdev, "fail to send sig fence%d", i + 1); nvdla_dbg_err(pdev, "fail to send postfence%d", i + 1);
goto exit; goto exit;
} }
nvdla_dbg_info(pdev, "signal fences of task[%d] sent", i + 1); nvdla_dbg_info(pdev, "postfences of task[%d] sent", i + 1);
} }
nvdla_dbg_fn(pdev, "Emulator task submitted, done!"); nvdla_dbg_fn(pdev, "Emulator task submitted, done!");
@@ -928,8 +825,8 @@ static int nvdla_submit(struct nvdla_private *priv, void *arg)
} }
nvdla_dbg_info(pdev, "task[%d] desc filled", i + 1); nvdla_dbg_info(pdev, "task[%d] desc filled", i + 1);
/* get expected signal fences prior to submit */ /* get expected postfences prior to submit */
err = nvdla_get_signal_fences(queue, task); err = nvdla_get_postfences(queue, task);
if (err) { if (err) {
nvdla_dbg_err(pdev, "fail to get fences%d", i + 1); nvdla_dbg_err(pdev, "fail to get fences%d", i + 1);
goto fail_to_get_fences; goto fail_to_get_fences;
@@ -937,7 +834,7 @@ static int nvdla_submit(struct nvdla_private *priv, void *arg)
nvdla_dbg_info(pdev, "task[%d] got fences", i + 1); nvdla_dbg_info(pdev, "task[%d] got fences", i + 1);
/* update fences to user */ /* update fences to user */
err = nvdla_update_signal_fences(task, local_tasks + i); err = nvdla_update_postfences(task, local_tasks + i);
if (err) { if (err) {
nvdla_dbg_err(pdev, "fail update postfence%d", i + 1); nvdla_dbg_err(pdev, "fail update postfence%d", i + 1);
goto fail_to_update_postfences; goto fail_to_update_postfences;

103
drivers/video/tegra/host/nvdla/nvdla_queue.c
View File

@@ -651,6 +651,7 @@ static int nvdla_fill_wait_fence_action(struct nvdla_task *task,
fence->syncpoint_value); fence->syncpoint_value);
} else { } else {
dma_addr_t syncpt_addr; dma_addr_t syncpt_addr;
nvdla_dbg_info(pdev, "GoS missing"); nvdla_dbg_info(pdev, "GoS missing");
syncpt_addr = nvhost_syncpt_address( syncpt_addr = nvhost_syncpt_address(
@@ -944,6 +945,9 @@ static int nvdla_fill_postactions(struct nvdla_task *task)
} }
} }
/* reset fence counter */
task->fence_counter = 0;
/* fill all postactions */ /* fill all postactions */
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
/* update action */ /* update action */
@@ -988,12 +992,8 @@ static int nvdla_fill_preactions(struct nvdla_task *task)
start = next = (u8 *)task_desc + preactionlist_of; start = next = (u8 *)task_desc + preactionlist_of;
/* fill all preactions wait */ /* fill all preactions */
for (i = 0; i < task->num_prefences; i++) { for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_WAIT)
continue;
/* update action */
err = nvdla_fill_wait_fence_action(task, err = nvdla_fill_wait_fence_action(task,
&task->prefences[i], &task->prefences[i],
&task->prefences_sem_dmabuf[i], &task->prefences_sem_dmabuf[i],
@@ -1016,24 +1016,6 @@ static int nvdla_fill_preactions(struct nvdla_task *task)
} }
} }
/* fill all preactions signals */
for (i = 0; i < task->num_prefences; i++) {
/* update action */
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
err = nvdla_fill_signal_fence_action(task,
&task->prefences[i],
&task->prefences_sem_dmabuf[i],
&next);
if (err < 0) {
nvdla_dbg_err(pdev,
"fail to fill fence sig action [%d]",
i);
goto fail;
}
}
/* update end of action list */ /* update end of action list */
next = add_opcode(next, ACTION_TERMINATE); next = add_opcode(next, ACTION_TERMINATE);
@@ -1095,9 +1077,6 @@ int nvdla_fill_task_desc(struct nvdla_task *task)
nvdla_update_gos(pdev); nvdla_update_gos(pdev);
/* reset fence counter */
task->fence_counter = 0;
/* fill pre actions */ /* fill pre actions */
nvdla_fill_preactions(task); nvdla_fill_preactions(task);
@@ -1208,30 +1187,8 @@ int nvdla_emulator_submit(struct nvdla_queue *queue, struct nvdla_emu_task *task
/* reset fence counter */ /* reset fence counter */
task->fence_counter = 0; task->fence_counter = 0;
/* fill all preactions */
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
/* update action */
switch (task->prefences[i].type) {
case NVDEV_FENCE_TYPE_SYNCPT:
case NVDEV_FENCE_TYPE_SYNC_FD: {
task->fence_counter = task->fence_counter + 1;
break;
}
default:
nvdla_dbg_err(pdev, "Invalid prefence sync type[%d]",
task->prefences[i].type);
return -EINVAL;
}
}
/* fill all postactions */ /* fill all postactions */
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].action != NVDEV_FENCE_SIGNAL)
continue;
/* update action */ /* update action */
switch (task->postfences[i].type) { switch (task->postfences[i].type) {
@@ -1255,31 +1212,9 @@ int nvdla_emulator_submit(struct nvdla_queue *queue, struct nvdla_emu_task *task
queue->syncpt_id, task->fence, queue->syncpt_id, task->fence,
task, task->fence_counter); task, task->fence_counter);
/* Update signal fences for all */ /* Update postfences for all */
counter = task->fence_counter - 1; counter = task->fence_counter - 1;
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if ((task->prefences[i].type == NVDEV_FENCE_TYPE_SYNCPT) ||
(task->prefences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) {
task->prefences[i].syncpoint_index =
queue->syncpt_id;
task->prefences[i].syncpoint_value =
task->fence - counter;
nvdla_dbg_info(pdev, "[%d] prefence set[%u]:[%u]",
i, task->prefences[i].syncpoint_index,
task->prefences[i].syncpoint_value);
counter = counter - 1;
}
}
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if ((task->postfences[i].type == NVDEV_FENCE_TYPE_SYNCPT) || if ((task->postfences[i].type == NVDEV_FENCE_TYPE_SYNCPT) ||
(task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) { (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) {
task->postfences[i].syncpoint_index = task->postfences[i].syncpoint_index =
@@ -1298,7 +1233,7 @@ int nvdla_emulator_submit(struct nvdla_queue *queue, struct nvdla_emu_task *task
return 0; return 0;
} }
int nvdla_get_signal_fences(struct nvdla_queue *queue, void *in_task) int nvdla_get_postfences(struct nvdla_queue *queue, void *in_task)
{ {
struct nvdla_task *task = (struct nvdla_task *)in_task; struct nvdla_task *task = (struct nvdla_task *)in_task;
struct platform_device *pdev = queue->pool->pdev; struct platform_device *pdev = queue->pool->pdev;
@@ -1316,31 +1251,9 @@ int nvdla_get_signal_fences(struct nvdla_queue *queue, void *in_task)
task_fence = nvhost_syncpt_read_maxval(pdev, queue->syncpt_id) + task_fence = nvhost_syncpt_read_maxval(pdev, queue->syncpt_id) +
task->fence_counter; task->fence_counter;
/* Update fences signal updates for both prefence and postfence */ /* Update postfences for all */
counter = task->fence_counter - 1; counter = task->fence_counter - 1;
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if ((task->prefences[i].type == NVDEV_FENCE_TYPE_SYNCPT) ||
(task->prefences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) {
task->prefences[i].syncpoint_index =
queue->syncpt_id;
task->prefences[i].syncpoint_value =
task_fence - counter;
nvdla_dbg_info(pdev, "[%d] prefence set[%u]:[%u]",
i, task->prefences[i].syncpoint_index,
task->prefences[i].syncpoint_value);
counter = counter - 1;
}
}
for (i = 0; i < task->num_postfences; i++) { for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].action != NVDEV_FENCE_SIGNAL)
continue;
if ((task->postfences[i].type == NVDEV_FENCE_TYPE_SYNCPT) || if ((task->postfences[i].type == NVDEV_FENCE_TYPE_SYNCPT) ||
(task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) { (task->postfences[i].type == NVDEV_FENCE_TYPE_SYNC_FD)) {
task->postfences[i].syncpoint_index = task->postfences[i].syncpoint_index =

10
include/uapi/linux/nvhost_nvdla_ioctl.h
View File

@@ -3,7 +3,7 @@
* *
* Tegra NvDLA Driver * Tegra NvDLA Driver
* *
* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved. * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@@ -160,17 +160,15 @@ struct nvdla_ioctl_submit_task {
* struct nvdla_ioctl_emu_submit_task structure for single emulator task * struct nvdla_ioctl_emu_submit_task structure for single emulator task
* information * information
* *
* @num_prefences number of pre-fences in task
* @num_postfences number of post-fences in task * @num_postfences number of post-fences in task
* @prefences pointer to pre-fence struct table * @reserved reserved for padding and future use
* @postfences pointer to post-fence struct table * @postfences pointer to post-fence struct table
* *
*/ */
struct nvdla_ioctl_emu_submit_task { struct nvdla_ioctl_emu_submit_task {
__u32 num_prefences;
__u32 num_postfences; __u32 num_postfences;
__u32 reserved;
__u64 prefences;
__u64 postfences; __u64 postfences;
}; };