diff options
| author | Ping Gao <ping.a.gao@intel.com> | 2017-03-30 00:36:39 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-03-30 13:34:07 +0800 |
| commit | afe04fbe6c522e73d5cc61a6660cce0e78630786 (patch) | |
| tree | 7722a11d3c7d1dd8b5e6866409dffe161af41bd8 /drivers/gpu/drm/i915/gvt/gvt.h | |
| parent | 39d467c2b71ccb4a55af830c117fafe0525caa12 (diff) | |
| download | lwn-afe04fbe6c522e73d5cc61a6660cce0e78630786.tar.gz lwn-afe04fbe6c522e73d5cc61a6660cce0e78630786.zip | |
drm/i915/gvt: create an idle vGPU
vGPU resource is allocated by scheduler. To account for non-allocated
free cycles, we create an idle vGPU as the placeholder similar to idle task
concept, which is useful to handle some corner cases in scheduling policy.
Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 0631f64e06db..806da96b6a92 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -243,6 +243,7 @@ struct intel_gvt { DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); struct intel_vgpu_type *types; unsigned int num_types; + struct intel_vgpu *idle_vgpu; struct task_struct *service_thread; wait_queue_head_t service_thread_wq; @@ -386,6 +387,8 @@ static inline void intel_vgpu_write_pci_bar(struct intel_vgpu *vgpu, int intel_gvt_init_vgpu_types(struct intel_gvt *gvt); void intel_gvt_clean_vgpu_types(struct intel_gvt *gvt); +struct intel_vgpu *intel_gvt_create_idle_vgpu(struct intel_gvt *gvt); +void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu); struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, struct intel_vgpu_type *type); void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); |