search for: nouveau_job

"struct nouveau_job_ops" is not modified in these drivers. Constifying this structure moves some data to a read-only section, so increase overall security. In order to do it, "struct nouveau_job" and "struct nouveau_job_args" also need to be adjusted to this new const qualifier. On a x86_64...

..., args->start, pfns, i); diff --git a/drivers/gpu/drm/nouveau/nouveau_exec.c b/drivers/gpu/drm/nouveau/nouveau_exec.c index 98a7a94cec5a..72f6543a0790 100644 --- a/drivers/gpu/drm/nouveau/nouveau_exec.c +++ b/drivers/gpu/drm/nouveau/nouveau_exec.c @@ -91,7 +91,8 @@ nouveau_exec_job_submit(struct nouveau_job *job) struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); int ret; - ret = nouveau_fence_new(&exec_job->fence); + /* Create a new fence, but do not emit yet. */ + ret = nouveau_fence_create(&exec_job->fence, exec_job->chan); if (ret) return ret; @@ -143,13 +144,17 @@ no...

So far the DRM GPUVA manager offers common infrastructure to track GPU VA allocations and mappings, generically connect GPU VA mappings to their backing buffers and perform more complex mapping operations on the GPU VA space. However, there are more design patterns commonly used by drivers, which can potentially be generalized in order to make the DRM GPUVA manager represent a basic GPU-VM

...++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_sched.c b/drivers/gpu/drm/nouveau/nouveau_sched.c index 3424a1bf6af3..88217185e0f3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sched.c +++ b/drivers/gpu/drm/nouveau/nouveau_sched.c @@ -292,6 +292,28 @@ nouveau_job_submit(struct nouveau_job *job) if (job->sync) done_fence = dma_fence_get(job->done_fence); + /* If a sched job depends on a dma-fence from a job from the same GPU + * scheduler instance, but a different scheduler entity, the GPU + * scheduler does only wait for the particular job to...

..._PUT(chan->dma.cur); } diff --git a/drivers/gpu/drm/nouveau/nouveau_exec.c b/drivers/gpu/drm/nouveau/nouveau_exec.c index 0f927adda4ed..a90c4cd8cbb2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_exec.c +++ b/drivers/gpu/drm/nouveau/nouveau_exec.c @@ -164,8 +164,10 @@ nouveau_exec_job_run(struct nouveau_job *job) } for (i = 0; i < exec_job->push.count; i++) { - nv50_dma_push(chan, exec_job->push.s[i].va, - exec_job->push.s[i].va_len); + struct drm_nouveau_exec_push *p = &exec_job->push.s[i]; + bool no_prefetch = p->flags & DRM_NOUVEAU_EXEC_PUSH_NO_PREFETCH; +...

...t; diff --git a/drivers/gpu/drm/nouveau/nouveau_exec.c > b/drivers/gpu/drm/nouveau/nouveau_exec.c > index 0f927adda4ed..a123b07b2adf 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_exec.c > +++ b/drivers/gpu/drm/nouveau/nouveau_exec.c > @@ -164,8 +164,10 @@ nouveau_exec_job_run(struct nouveau_job *job) > } > > for (i = 0; i < exec_job->push.count; i++) { > - nv50_dma_push(chan, exec_job->push.s[i].va, > - exec_job->push.s[i].va_len); > + struct drm_nouveau_exec_push *p = &exec_job->p...

..._PUT(chan->dma.cur); } diff --git a/drivers/gpu/drm/nouveau/nouveau_exec.c b/drivers/gpu/drm/nouveau/nouveau_exec.c index 0f927adda4ed..a123b07b2adf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_exec.c +++ b/drivers/gpu/drm/nouveau/nouveau_exec.c @@ -164,8 +164,10 @@ nouveau_exec_job_run(struct nouveau_job *job) } for (i = 0; i < exec_job->push.count; i++) { - nv50_dma_push(chan, exec_job->push.s[i].va, - exec_job->push.s[i].va_len); + struct drm_nouveau_exec_push *p = &exec_job->push.s[i]; + bool prefetch = !(p->flags & DRM_NOUVEAU_EXEC_PUSH_NO_PREFETCH); +...