diff options
| author | Ping Gao <ping.a.gao@intel.com> | 2016-12-08 05:14:48 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2016-12-26 04:45:29 +0300 |
| commit | d650ac06023796ade7cb5ec4d5650c67dc494ed0 (patch) | |
| tree | c2f6e97a268ef00115ec8e761f94c94bfffff9c9 /drivers/gpu/drm/i915/gvt/gtt.h | |
| parent | b8395cc7a454efc616e335c22af22d8513abdafc (diff) | |
| download | linux-d650ac06023796ade7cb5ec4d5650c67dc494ed0.tar.xz | |
drm/i915/gvt: reset the GGTT entry when vGPU created
The GGTT space is partitioned between vGPUs, it could be reused by
next vGPU after previous one is release, the stale entries need
point to scratch page when vGPU created.
v2: Reset logic move to vGPU create.
v3: Correct the commit msg.
v4: Move the reset function to vGPU init gtt function, as result it's no
need explicitly in vGPU reset logic as vGPU init gtt called during
reset.
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/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index d250013bc37b..b315ab3593ec 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -81,6 +81,9 @@ struct intel_gvt_gtt { struct list_head oos_page_use_list_head; struct list_head oos_page_free_list_head; struct list_head mm_lru_list_head; + + struct page *scratch_ggtt_page; + unsigned long scratch_ggtt_mfn; }; enum { @@ -202,6 +205,7 @@ struct intel_vgpu_gtt { extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu); extern void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu); +void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu); extern int intel_gvt_init_gtt(struct intel_gvt *gvt); extern void intel_gvt_clean_gtt(struct intel_gvt *gvt); |