diff options
| author | Rob Clark <robdclark@chromium.org> | 2021-11-09 10:11:03 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-11-28 09:50:33 -0800 |
| commit | c28e2f2b417ed747bfbc5f900c87f3ec9cc6b25e (patch) | |
| tree | e265a736316036b5e6eed47cfcee9e05b16e87ef /drivers/gpu/drm/msm/msm_gpu.c | |
| parent | 1d054c9b8457b56a651109fac21f56f46ccd46b2 (diff) | |
| download | linux-c28e2f2b417ed747bfbc5f900c87f3ec9cc6b25e.tar.bz2 | |
drm/msm: Remove struct_mutex usage
The remaining struct_mutex usage is just to serialize various gpu
related things (submit/retire/recover/fault/etc), so replace
struct_mutex with gpu->lock.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20211109181117.591148-4-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 3dfc58e6498f..13de1241d595 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -150,7 +150,7 @@ int msm_gpu_hw_init(struct msm_gpu *gpu) { int ret; - WARN_ON(!mutex_is_locked(&gpu->dev->struct_mutex)); + WARN_ON(!mutex_is_locked(&gpu->lock)); if (!gpu->needs_hw_init) return 0; @@ -361,7 +361,7 @@ static void recover_worker(struct kthread_work *work) char *comm = NULL, *cmd = NULL; int i; - mutex_lock(&dev->struct_mutex); + mutex_lock(&gpu->lock); DRM_DEV_ERROR(dev->dev, "%s: hangcheck recover!\n", gpu->name); @@ -442,7 +442,7 @@ static void recover_worker(struct kthread_work *work) } } - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&gpu->lock); msm_gpu_retire(gpu); } @@ -450,12 +450,11 @@ static void recover_worker(struct kthread_work *work) static void fault_worker(struct kthread_work *work) { struct msm_gpu *gpu = container_of(work, struct msm_gpu, fault_work); - struct drm_device *dev = gpu->dev; struct msm_gem_submit *submit; struct msm_ringbuffer *cur_ring = gpu->funcs->active_ring(gpu); char *comm = NULL, *cmd = NULL; - mutex_lock(&dev->struct_mutex); + mutex_lock(&gpu->lock); submit = find_submit(cur_ring, cur_ring->memptrs->fence + 1); if (submit && submit->fault_dumped) @@ -490,7 +489,7 @@ resume_smmu: memset(&gpu->fault_info, 0, sizeof(gpu->fault_info)); gpu->aspace->mmu->funcs->resume_translation(gpu->aspace->mmu); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&gpu->lock); } static void hangcheck_timer_reset(struct msm_gpu *gpu) @@ -733,7 +732,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) struct msm_ringbuffer *ring = submit->ring; unsigned long flags; - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + WARN_ON(!mutex_is_locked(&gpu->lock)); pm_runtime_get_sync(&gpu->pdev->dev); @@ -848,6 +847,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, INIT_LIST_HEAD(&gpu->active_list); mutex_init(&gpu->active_lock); + mutex_init(&gpu->lock); kthread_init_work(&gpu->retire_work, retire_worker); kthread_init_work(&gpu->recover_work, recover_worker); kthread_init_work(&gpu->fault_work, fault_worker); |