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Commit 18db89b4 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add a debugfs property to trigger a GPU reset 



Ported from similar code in radeon.

Reviewed-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarKen Wang <Qingqing.Wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bfa99269

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

+19 −1
Original line number Diff line number Diff line
@@ -734,15 +734,33 @@ static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data) 
	return 0;

}



/**

 * amdgpu_debugfs_gpu_reset - manually trigger a gpu reset

 *

 * Manually trigger a gpu reset at the next fence wait.

 */

static int amdgpu_debugfs_gpu_reset(struct seq_file *m, void *data)

{

	struct drm_info_node *node = (struct drm_info_node *) m->private;

	struct drm_device *dev = node->minor->dev;

	struct amdgpu_device *adev = dev->dev_private;



	seq_printf(m, "gpu reset\n");

	amdgpu_gpu_reset(adev);



	return 0;

}



static struct drm_info_list amdgpu_debugfs_fence_list[] = {

	{"amdgpu_fence_info", &amdgpu_debugfs_fence_info, 0, NULL},

	{"amdgpu_gpu_reset", &amdgpu_debugfs_gpu_reset, 0, NULL}

};

#endif



int amdgpu_debugfs_fence_init(struct amdgpu_device *adev)

{

#if defined(CONFIG_DEBUG_FS)

	return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list, 1);

	return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list, 2);

#else

	return 0;

#endif