diff options
| author | Ping Gao <ping.a.gao@intel.com> | 2016-10-26 09:38:52 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2016-10-27 11:20:19 +0800 |
| commit | 23736d1b1b2321f7e4647d8d5f8ff16fab11d24f (patch) | |
| tree | ec478262080fe664dccbe33bed2b6d33a28a2a50 /drivers/gpu/drm/i915/gvt/handlers.c | |
| parent | 0a8b66e3adbe302a02bb33e1a662416281ade616 (diff) | |
drm/i915/gvt: add full vGPU reset support
Full vGPU reset need to release all the shadow PPGGT pages to avoid
unnecessary write-protect and also should re-initialize pvinfo after
resetting vregs to keep pvinfo correct.
Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 7832e49ed5b3..4850cf3e0dbd 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -251,6 +251,16 @@ static int handle_device_reset(struct intel_vgpu *vgpu, unsigned int offset, intel_vgpu_reset_execlist(vgpu, bitmap); + /* full GPU reset */ + if (bitmap == 0xff) { + mutex_unlock(&vgpu->gvt->lock); + intel_vgpu_clean_gtt(vgpu); + mutex_lock(&vgpu->gvt->lock); + setup_vgpu_mmio(vgpu); + populate_pvinfo_page(vgpu); + intel_vgpu_init_gtt(vgpu); + } + vgpu->resetting = false; return 0; |