diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 16 |
4 files changed, 32 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 24fb00108759..02eee4bb6a8c 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -496,6 +496,16 @@ out: return r; } +static int radeon_cs_handle_lockup(struct radeon_device *rdev, int r) +{ + if (r == -EDEADLK) { + r = radeon_gpu_reset(rdev); + if (!r) + r = -EAGAIN; + } + return r; +} + int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct radeon_device *rdev = dev->dev_private; @@ -517,6 +527,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) if (r) { DRM_ERROR("Failed to initialize parser !\n"); radeon_cs_parser_fini(&parser, r); + r = radeon_cs_handle_lockup(rdev, r); radeon_mutex_unlock(&rdev->cs_mutex); return r; } @@ -525,6 +536,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) if (r != -ERESTARTSYS) DRM_ERROR("Failed to parse relocation %d!\n", r); radeon_cs_parser_fini(&parser, r); + r = radeon_cs_handle_lockup(rdev, r); radeon_mutex_unlock(&rdev->cs_mutex); return r; } @@ -538,6 +550,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } out: radeon_cs_parser_fini(&parser, r); + r = radeon_cs_handle_lockup(rdev, r); radeon_mutex_unlock(&rdev->cs_mutex); return r; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 89be94bd08e4..d18f0c4a9886 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -986,9 +986,6 @@ int radeon_gpu_reset(struct radeon_device *rdev) int r; int resched; - /* Prevent CS ioctl from interfering */ - radeon_mutex_lock(&rdev->cs_mutex); - radeon_save_bios_scratch_regs(rdev); /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); @@ -1003,8 +1000,6 @@ int radeon_gpu_reset(struct radeon_device *rdev) ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); } - radeon_mutex_unlock(&rdev->cs_mutex); - if (r) { /* bad news, how to tell it to userspace ? */ dev_info(rdev->dev, "GPU reset failed\n"); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index aadd73ac9cc2..5bb78bf547ea 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -244,6 +244,8 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr) /* change sequence value on all rings, so nobody else things there is a lockup */ for (i = 0; i < RADEON_NUM_RINGS; ++i) rdev->fence_drv[i].last_seq -= 0x10000; + + rdev->fence_drv[fence->ring].last_activity = jiffies; write_unlock_irqrestore(&rdev->fence_lock, irq_flags); if (radeon_ring_is_lockup(rdev, fence->ring, &rdev->ring[fence->ring])) { @@ -254,13 +256,7 @@ int radeon_fence_wait(struct radeon_fence *fence, bool intr) /* mark the ring as not ready any more */ rdev->ring[fence->ring].ready = false; - r = radeon_gpu_reset(rdev); - if (r) - return r; - - write_lock_irqsave(&rdev->fence_lock, irq_flags); - rdev->fence_drv[fence->ring].last_activity = jiffies; - write_unlock_irqrestore(&rdev->fence_lock, irq_flags); + return -EDEADLK; } } } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index c7008b5210f7..e15cb1fe2c39 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -154,6 +154,17 @@ void radeon_gem_object_close(struct drm_gem_object *obj, radeon_bo_unreserve(rbo); } +static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r) +{ + if (r == -EDEADLK) { + radeon_mutex_lock(&rdev->cs_mutex); + r = radeon_gpu_reset(rdev); + if (!r) + r = -EAGAIN; + radeon_mutex_unlock(&rdev->cs_mutex); + } + return r; +} /* * GEM ioctls. @@ -210,12 +221,14 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data, args->initial_domain, false, false, &gobj); if (r) { + r = radeon_gem_handle_lockup(rdev, r); return r; } r = drm_gem_handle_create(filp, gobj, &handle); /* drop reference from allocate - handle holds it now */ drm_gem_object_unreference_unlocked(gobj); if (r) { + r = radeon_gem_handle_lockup(rdev, r); return r; } args->handle = handle; @@ -245,6 +258,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); drm_gem_object_unreference_unlocked(gobj); + r = radeon_gem_handle_lockup(robj->rdev, r); return r; } @@ -301,6 +315,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, break; } drm_gem_object_unreference_unlocked(gobj); + r = radeon_gem_handle_lockup(robj->rdev, r); return r; } @@ -322,6 +337,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, if (robj->rdev->asic->ioctl_wait_idle) robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj); drm_gem_object_unreference_unlocked(gobj); + r = radeon_gem_handle_lockup(robj->rdev, r); return r; } |