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-rw-r--r--drivers/gpu/drm/msm/msm_drv.h2
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c25
-rw-r--r--drivers/gpu/drm/msm/msm_gem.h2
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.c9
4 files changed, 27 insertions, 11 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 80d75094bf0a..1ea9d46e01bc 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -153,7 +153,7 @@ void *msm_gem_vaddr(struct drm_gem_object *obj);
int msm_gem_queue_inactive_work(struct drm_gem_object *obj,
struct work_struct *work);
void msm_gem_move_to_active(struct drm_gem_object *obj,
- struct msm_gpu *gpu, uint32_t fence);
+ struct msm_gpu *gpu, bool write, uint32_t fence);
void msm_gem_move_to_inactive(struct drm_gem_object *obj);
int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op,
struct timespec *timeout);
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 6b5a6c8c7658..df0390f5ec58 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -393,11 +393,14 @@ int msm_gem_queue_inactive_work(struct drm_gem_object *obj,
}
void msm_gem_move_to_active(struct drm_gem_object *obj,
- struct msm_gpu *gpu, uint32_t fence)
+ struct msm_gpu *gpu, bool write, uint32_t fence)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
msm_obj->gpu = gpu;
- msm_obj->fence = fence;
+ if (write)
+ msm_obj->write_fence = fence;
+ else
+ msm_obj->read_fence = fence;
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &gpu->active_list);
}
@@ -411,7 +414,8 @@ void msm_gem_move_to_inactive(struct drm_gem_object *obj)
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
msm_obj->gpu = NULL;
- msm_obj->fence = 0;
+ msm_obj->read_fence = 0;
+ msm_obj->write_fence = 0;
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &priv->inactive_list);
@@ -433,8 +437,14 @@ int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op,
struct msm_gem_object *msm_obj = to_msm_bo(obj);
int ret = 0;
- if (is_active(msm_obj) && !(op & MSM_PREP_NOSYNC))
- ret = msm_wait_fence_interruptable(dev, msm_obj->fence, timeout);
+ if (is_active(msm_obj) && !(op & MSM_PREP_NOSYNC)) {
+ uint32_t fence = 0;
+ if (op & MSM_PREP_READ)
+ fence = msm_obj->write_fence;
+ if (op & MSM_PREP_WRITE)
+ fence = max(fence, msm_obj->read_fence);
+ ret = msm_wait_fence_interruptable(dev, fence, timeout);
+ }
/* TODO cache maintenance */
@@ -455,9 +465,10 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
uint64_t off = drm_vma_node_start(&obj->vma_node);
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- seq_printf(m, "%08x: %c(%d) %2d (%2d) %08llx %p %d\n",
+ seq_printf(m, "%08x: %c(r=%u,w=%u) %2d (%2d) %08llx %p %d\n",
msm_obj->flags, is_active(msm_obj) ? 'A' : 'I',
- msm_obj->fence, obj->name, obj->refcount.refcount.counter,
+ msm_obj->read_fence, msm_obj->write_fence,
+ obj->name, obj->refcount.refcount.counter,
off, msm_obj->vaddr, obj->size);
}
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index d746f13d283c..0676f32e2c6a 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -36,7 +36,7 @@ struct msm_gem_object {
*/
struct list_head mm_list;
struct msm_gpu *gpu; /* non-null if active */
- uint32_t fence;
+ uint32_t read_fence, write_fence;
/* Transiently in the process of submit ioctl, objects associated
* with the submit are on submit->bo_list.. this only lasts for
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index e1e1ec9321ff..cb9cdffdc41f 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -265,7 +265,8 @@ static void retire_worker(struct work_struct *work)
obj = list_first_entry(&gpu->active_list,
struct msm_gem_object, mm_list);
- if (obj->fence <= fence) {
+ if ((obj->read_fence <= fence) &&
+ (obj->write_fence <= fence)) {
/* move to inactive: */
msm_gem_move_to_inactive(&obj->base);
msm_gem_put_iova(&obj->base, gpu->id);
@@ -321,7 +322,11 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
submit->gpu->id, &iova);
}
- msm_gem_move_to_active(&msm_obj->base, gpu, submit->fence);
+ if (submit->bos[i].flags & MSM_SUBMIT_BO_READ)
+ msm_gem_move_to_active(&msm_obj->base, gpu, false, submit->fence);
+
+ if (submit->bos[i].flags & MSM_SUBMIT_BO_WRITE)
+ msm_gem_move_to_active(&msm_obj->base, gpu, true, submit->fence);
}
hangcheck_timer_reset(gpu);
mutex_unlock(&dev->struct_mutex);
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