drm/radeon: add debugfs file to trigger GPU reset
Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -819,15 +819,35 @@ static int radeon_debugfs_fence_info(struct seq_file *m, void *data)
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return 0;
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}
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/**
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* radeon_debugfs_gpu_reset - manually trigger a gpu reset
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*
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* Manually trigger a gpu reset at the next fence wait.
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*/
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static int radeon_debugfs_gpu_reset(struct seq_file *m, void *data)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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struct radeon_device *rdev = dev->dev_private;
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down_read(&rdev->exclusive_lock);
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seq_printf(m, "%d\n", rdev->needs_reset);
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rdev->needs_reset = true;
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up_read(&rdev->exclusive_lock);
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return 0;
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}
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static struct drm_info_list radeon_debugfs_fence_list[] = {
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{"radeon_fence_info", &radeon_debugfs_fence_info, 0, NULL},
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{"radeon_gpu_reset", &radeon_debugfs_gpu_reset, 0, NULL}
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};
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#endif
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int radeon_debugfs_fence_init(struct radeon_device *rdev)
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{
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#if defined(CONFIG_DEBUG_FS)
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return radeon_debugfs_add_files(rdev, radeon_debugfs_fence_list, 1);
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return radeon_debugfs_add_files(rdev, radeon_debugfs_fence_list, 2);
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#else
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return 0;
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#endif
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