From: Christian König Date: Wed, 6 Dec 2017 15:24:49 +0000 (+0100) Subject: drm/amdgpu: add amdgpu_evict_vram debugfs file X-Git-Tag: v4.19~1610^2~23^2~158 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=79588d21ad312d9cd16a867c0d13278e6377a653;p=platform%2Fkernel%2Flinux-rpi3.git drm/amdgpu: add amdgpu_evict_vram debugfs file Torture test for MM and VM support, can be used to evict all VRAM while the system is under load. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 345663a..b10aecc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3969,9 +3969,20 @@ static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) return 0; } +static int amdgpu_debugfs_evict_vram(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, "(%d)\n", amdgpu_bo_evict_vram(adev)); + return 0; +} + static const struct drm_info_list amdgpu_debugfs_list[] = { {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump}, - {"amdgpu_test_ib", &amdgpu_debugfs_test_ib} + {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}, + {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram} }; static int amdgpu_debugfs_init(struct amdgpu_device *adev)