static void hangcheck_handler(unsigned long data)
{
struct etnaviv_gpu *gpu = (struct etnaviv_gpu *)data;
u32 fence = gpu->completed_fence;
bool progress = false;
if (fence != gpu->hangcheck_fence) {
gpu->hangcheck_fence = fence;
progress = true;
}
if (!progress) {
u32 dma_addr = gpu_read(gpu, VIVS_FE_DMA_ADDRESS);
int change = dma_addr - gpu->hangcheck_dma_addr;
if (change < 0 || change > 16) {
gpu->hangcheck_dma_addr = dma_addr;
progress = true;
}
}
if (!progress && fence_after(gpu->active_fence, fence)) {
dev_err(gpu->dev, "hangcheck detected gpu lockup!\n");
dev_err(gpu->dev, " completed fence: %u\n", fence);
dev_err(gpu->dev, " active fence: %u\n",
gpu->active_fence);
etnaviv_queue_work(gpu->drm, &gpu->recover_work);
}
/* if still more pending work, reset the hangcheck timer: */
if (fence_after(gpu->active_fence, gpu->hangcheck_fence))
hangcheck_timer_reset(gpu);
}
static void hangcheck_handler(unsigned long data)
{
struct msm_gpu *gpu = (struct msm_gpu *)data;
struct drm_device *dev = gpu->dev;
struct msm_drm_private *priv = dev->dev_private;
uint32_t fence = gpu->funcs->last_fence(gpu);
if (fence != gpu->hangcheck_fence) {
/* some progress has been made.. ya! */
gpu->hangcheck_fence = fence;
} else if (fence < gpu->submitted_fence) {
/* no progress and not done.. hung! */
gpu->hangcheck_fence = fence;
dev_err(dev->dev, "%s: hangcheck detected gpu lockup!\n",
gpu->name);
dev_err(dev->dev, "%s: completed fence: %u\n",
gpu->name, fence);
dev_err(dev->dev, "%s: submitted fence: %u\n",
gpu->name, gpu->submitted_fence);
queue_work(priv->wq, &gpu->recover_work);
}
/* if still more pending work, reset the hangcheck timer: */
if (gpu->submitted_fence > gpu->hangcheck_fence)
hangcheck_timer_reset(gpu);
/* workaround for missing irq: */
queue_work(priv->wq, &gpu->retire_work);
}
/* add bo's to gpu's ring, and kick gpu: */
int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
struct msm_file_private *ctx)
{
struct drm_device *dev = gpu->dev;
struct msm_drm_private *priv = dev->dev_private;
int i, ret;
mutex_lock(&dev->struct_mutex);
submit->fence = ++priv->next_fence;
gpu->submitted_fence = submit->fence;
ret = gpu->funcs->submit(gpu, submit, ctx);
priv->lastctx = ctx;
for (i = 0; i < submit->nr_bos; i++) {
struct msm_gem_object *msm_obj = submit->bos[i].obj;
/* can't happen yet.. but when we add 2d support we'll have
* to deal w/ cross-ring synchronization:
*/
WARN_ON(is_active(msm_obj) && (msm_obj->gpu != gpu));
if (!is_active(msm_obj)) {
uint32_t iova;
/* ring takes a reference to the bo and iova: */
drm_gem_object_reference(&msm_obj->base);
msm_gem_get_iova_locked(&msm_obj->base,
submit->gpu->id, &iova);
}
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);
return ret;
}
static void hangcheck_handler(unsigned long data)
{
struct msm_gpu *gpu = (struct msm_gpu *)data;
uint32_t fence = gpu->funcs->last_fence(gpu);
if (fence != gpu->hangcheck_fence) {
/* some progress has been made.. ya! */
gpu->hangcheck_fence = fence;
} else if (fence < gpu->submitted_fence) {
/* no progress and not done.. hung! */
struct msm_drm_private *priv = gpu->dev->dev_private;
gpu->hangcheck_fence = fence;
queue_work(priv->wq, &gpu->recover_work);
}
/* if still more pending work, reset the hangcheck timer: */
if (gpu->submitted_fence > gpu->hangcheck_fence)
hangcheck_timer_reset(gpu);
}
