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authorRob Clark <robdclark@chromium.org>2020-10-23 09:51:19 -0700
committerRob Clark <robdclark@chromium.org>2020-11-04 16:00:56 -0800
commitc5c1643cef7a11c1f3a5544528087618ba9a5aab (patch)
tree5036c45fa7b0eb9b6dc6b88b231695dc03026cd7 /drivers/gpu/drm
parentfb1a1fcbacefd839503e94a66a467809ade27b2c (diff)
downloadlinux-c5c1643cef7a11c1f3a5544528087618ba9a5aab.tar.bz2
drm/msm: Drop struct_mutex from the retire path
Now that we are not relying on dev->struct_mutex to protect the ring->submits lists, drop the struct_mutex lock. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index ee1eae7a02bb..dbb8400f1872 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -713,7 +713,7 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_ringbuffer *ring,
msm_gem_active_put(&msm_obj->base);
msm_gem_unpin_iova(&msm_obj->base, submit->aspace);
- drm_gem_object_put_locked(&msm_obj->base);
+ drm_gem_object_put(&msm_obj->base);
}
pm_runtime_mark_last_busy(&gpu->pdev->dev);
@@ -728,11 +728,8 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_ringbuffer *ring,
static void retire_submits(struct msm_gpu *gpu)
{
- struct drm_device *dev = gpu->dev;
int i;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
/* Retire the commits starting with highest priority */
for (i = 0; i < gpu->nr_rings; i++) {
struct msm_ringbuffer *ring = gpu->rb[i];
@@ -762,15 +759,12 @@ static void retire_submits(struct msm_gpu *gpu)
static void retire_worker(struct kthread_work *work)
{
struct msm_gpu *gpu = container_of(work, struct msm_gpu, retire_work);
- struct drm_device *dev = gpu->dev;
int i;
for (i = 0; i < gpu->nr_rings; i++)
update_fences(gpu, gpu->rb[i], gpu->rb[i]->memptrs->fence);
- mutex_lock(&dev->struct_mutex);
retire_submits(gpu);
- mutex_unlock(&dev->struct_mutex);
}
/* call from irq handler to schedule work to retire bo's */