static int
v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
void **container, size_t size, void (*free)(struct kref *ref),
- u32 in_sync, enum v3d_queue queue)
+ u32 in_sync, struct v3d_submit_ext *se, enum v3d_queue queue)
{
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct v3d_job *job;
- int ret;
+ bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
+ int ret, i;
*container = kcalloc(1, size, GFP_KERNEL);
if (!*container) {
if (ret)
goto fail_job;
- ret = v3d_job_add_deps(file_priv, job, in_sync, 0);
- if (ret)
- goto fail_deps;
+ if (has_multisync) {
+ if (se->in_sync_count && se->wait_stage == queue) {
+ struct drm_v3d_sem __user *handle = u64_to_user_ptr(se->in_syncs);
+
+ for (i = 0; i < se->in_sync_count; i++) {
+ struct drm_v3d_sem in;
+
+ ret = copy_from_user(&in, handle++, sizeof(in));
+ if (ret) {
+ DRM_DEBUG("Failed to copy wait dep handle.\n");
+ goto fail_deps;
+ }
+ ret = v3d_job_add_deps(file_priv, job, in.handle, 0);
+ if (ret)
+ goto fail_deps;
+ }
+ }
+ } else {
+ ret = v3d_job_add_deps(file_priv, job, in_sync, 0);
+ if (ret)
+ goto fail_deps;
+ }
kref_init(&job->refcount);
struct v3d_job *job,
struct ww_acquire_ctx *acquire_ctx,
u32 out_sync,
+ struct v3d_submit_ext *se,
struct dma_fence *done_fence)
{
struct drm_syncobj *sync_out;
+ bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
int i;
for (i = 0; i < job->bo_count; i++) {
drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
/* Update the return sync object for the job */
- sync_out = drm_syncobj_find(file_priv, out_sync);
- if (sync_out) {
- drm_syncobj_replace_fence(sync_out, done_fence);
- drm_syncobj_put(sync_out);
+ /* If it only supports a single signal semaphore*/
+ if (!has_multisync) {
+ sync_out = drm_syncobj_find(file_priv, out_sync);
+ if (sync_out) {
+ drm_syncobj_replace_fence(sync_out, done_fence);
+ drm_syncobj_put(sync_out);
+ }
+ return;
+ }
+
+ /* If multiple semaphores extension is supported */
+ if (se->out_sync_count) {
+ for (i = 0; i < se->out_sync_count; i++) {
+ drm_syncobj_replace_fence(se->out_syncs[i].syncobj,
+ done_fence);
+ drm_syncobj_put(se->out_syncs[i].syncobj);
+ }
+ kvfree(se->out_syncs);
+ }
+}
+
+static void
+v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
+{
+ unsigned int i;
+
+ if (!(se && se->out_sync_count))
+ return;
+
+ for (i = 0; i < se->out_sync_count; i++)
+ drm_syncobj_put(se->out_syncs[i].syncobj);
+ kvfree(se->out_syncs);
+}
+
+static int
+v3d_get_multisync_post_deps(struct drm_file *file_priv,
+ struct v3d_submit_ext *se,
+ u32 count, u64 handles)
+{
+ struct drm_v3d_sem __user *post_deps;
+ int i, ret;
+
+ if (!count)
+ return 0;
+
+ se->out_syncs = (struct v3d_submit_outsync *)
+ kvmalloc_array(count,
+ sizeof(struct v3d_submit_outsync),
+ GFP_KERNEL);
+ if (!se->out_syncs)
+ return -ENOMEM;
+
+ post_deps = u64_to_user_ptr(handles);
+
+ for (i = 0; i < count; i++) {
+ struct drm_v3d_sem out;
+
+ ret = copy_from_user(&out, post_deps++, sizeof(out));
+ if (ret) {
+ DRM_DEBUG("Failed to copy post dep handles\n");
+ goto fail;
+ }
+
+ se->out_syncs[i].syncobj = drm_syncobj_find(file_priv,
+ out.handle);
+ if (!se->out_syncs[i].syncobj) {
+ ret = -EINVAL;
+ goto fail;
+ }
}
+ se->out_sync_count = count;
+
+ return 0;
+
+fail:
+ for (i--; i >= 0; i--)
+ drm_syncobj_put(se->out_syncs[i].syncobj);
+ kvfree(se->out_syncs);
+
+ return ret;
+}
+
+/* Get data for multiple binary semaphores synchronization. Parse syncobj
+ * to be signaled when job completes (out_sync).
+ */
+static int
+v3d_get_multisync_submit_deps(struct drm_file *file_priv,
+ struct drm_v3d_extension __user *ext,
+ void *data)
+{
+ struct drm_v3d_multi_sync multisync;
+ struct v3d_submit_ext *se = data;
+ int ret;
+
+ ret = copy_from_user(&multisync, ext, sizeof(multisync));
+ if (ret)
+ return ret;
+
+ if (multisync.pad)
+ return -EINVAL;
+
+ ret = v3d_get_multisync_post_deps(file_priv, data, multisync.out_sync_count,
+ multisync.out_syncs);
+ if (ret)
+ return ret;
+
+ se->in_sync_count = multisync.in_sync_count;
+ se->in_syncs = multisync.in_syncs;
+ se->flags |= DRM_V3D_EXT_ID_MULTI_SYNC;
+ se->wait_stage = multisync.wait_stage;
+
+ return 0;
}
/* Whenever userspace sets ioctl extensions, v3d_get_extensions parses data
* according to the extension id (name).
*/
static int
-v3d_get_extensions(struct drm_file *file_priv, u64 ext_handles)
+v3d_get_extensions(struct drm_file *file_priv,
+ u64 ext_handles,
+ void *data)
{
struct drm_v3d_extension __user *user_ext;
+ int ret;
user_ext = u64_to_user_ptr(ext_handles);
while (user_ext) {
}
switch (ext.id) {
- case 0:
+ case DRM_V3D_EXT_ID_MULTI_SYNC:
+ ret = v3d_get_multisync_submit_deps(file_priv, user_ext, data);
+ if (ret)
+ return ret;
+ break;
default:
DRM_DEBUG_DRIVER("Unknown extension id: %d\n", ext.id);
return -EINVAL;
struct v3d_dev *v3d = to_v3d_dev(dev);
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct drm_v3d_submit_cl *args = data;
+ struct v3d_submit_ext se = {0};
struct v3d_bin_job *bin = NULL;
struct v3d_render_job *render = NULL;
struct v3d_job *clean_job = NULL;
}
if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
- ret = v3d_get_extensions(file_priv, args->extensions);
+ ret = v3d_get_extensions(file_priv, args->extensions, &se);
if (ret) {
DRM_DEBUG("Failed to get extensions.\n");
return ret;
}
ret = v3d_job_init(v3d, file_priv, (void *)&render, sizeof(*render),
- v3d_render_job_free, args->in_sync_rcl, V3D_RENDER);
+ v3d_render_job_free, args->in_sync_rcl, &se, V3D_RENDER);
if (ret)
goto fail;
if (args->bcl_start != args->bcl_end) {
ret = v3d_job_init(v3d, file_priv, (void *)&bin, sizeof(*bin),
- v3d_job_free, args->in_sync_bcl, V3D_BIN);
+ v3d_job_free, args->in_sync_bcl, &se, V3D_BIN);
if (ret)
goto fail;
if (args->flags & DRM_V3D_SUBMIT_CL_FLUSH_CACHE) {
ret = v3d_job_init(v3d, file_priv, (void *)&clean_job, sizeof(*clean_job),
- v3d_job_free, 0, V3D_CACHE_CLEAN);
+ v3d_job_free, 0, 0, V3D_CACHE_CLEAN);
if (ret)
goto fail;
last_job,
&acquire_ctx,
args->out_sync,
+ &se,
last_job->done_fence);
if (bin)
v3d_job_cleanup((void *)bin);
v3d_job_cleanup((void *)render);
v3d_job_cleanup(clean_job);
+ v3d_put_multisync_post_deps(&se);
return ret;
}
{
struct v3d_dev *v3d = to_v3d_dev(dev);
struct drm_v3d_submit_tfu *args = data;
+ struct v3d_submit_ext se = {0};
struct v3d_tfu_job *job = NULL;
struct ww_acquire_ctx acquire_ctx;
int ret = 0;
}
if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
- ret = v3d_get_extensions(file_priv, args->extensions);
+ ret = v3d_get_extensions(file_priv, args->extensions, &se);
if (ret) {
DRM_DEBUG("Failed to get extensions.\n");
return ret;
}
ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
- v3d_job_free, args->in_sync, V3D_TFU);
+ v3d_job_free, args->in_sync, &se, V3D_TFU);
if (ret)
goto fail;
v3d_attach_fences_and_unlock_reservation(file_priv,
&job->base, &acquire_ctx,
args->out_sync,
+ &se,
job->base.done_fence);
v3d_job_put(&job->base);
fail:
v3d_job_cleanup((void *)job);
+ v3d_put_multisync_post_deps(&se);
return ret;
}
struct v3d_dev *v3d = to_v3d_dev(dev);
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct drm_v3d_submit_csd *args = data;
+ struct v3d_submit_ext se = {0};
struct v3d_csd_job *job = NULL;
struct v3d_job *clean_job = NULL;
struct ww_acquire_ctx acquire_ctx;
}
if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
- ret = v3d_get_extensions(file_priv, args->extensions);
+ ret = v3d_get_extensions(file_priv, args->extensions, &se);
if (ret) {
DRM_DEBUG("Failed to get extensions.\n");
return ret;
}
ret = v3d_job_init(v3d, file_priv, (void *)&job, sizeof(*job),
- v3d_job_free, args->in_sync, V3D_CSD);
+ v3d_job_free, args->in_sync, &se, V3D_CSD);
if (ret)
goto fail;
ret = v3d_job_init(v3d, file_priv, (void *)&clean_job, sizeof(*clean_job),
- v3d_job_free, 0, V3D_CACHE_CLEAN);
+ v3d_job_free, 0, 0, V3D_CACHE_CLEAN);
if (ret)
goto fail;
clean_job,
&acquire_ctx,
args->out_sync,
+ &se,
clean_job->done_fence);
v3d_job_put(&job->base);
fail:
v3d_job_cleanup((void *)job);
v3d_job_cleanup(clean_job);
+ v3d_put_multisync_post_deps(&se);
return ret;
}