mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-05 00:20:32 +00:00
Code Issues Releases Wiki Activity

drm/i915/gvt: add missing display part reset for vGPU reset

Browse source 
We also need reset vGPU virtual display emulation. Since all vreg has
been cleared, we need reset display related vreg to reflect our display
setting.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Changbin Du 2017-02-14 14:50:18 +08:00 committed by Zhenyu Wang
parent 03806edc35
commit 6294b61ba7
3 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/gpu/drm/i915/gvt/display.c
View file

@ -333,3 +333,15 @@ int intel_vgpu_init_display(struct intel_vgpu *vgpu)
else
return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B);
}
/**
* intel_vgpu_reset_display- reset vGPU virtual display emulation
* @vgpu: a vGPU
*
* This function is used to reset vGPU virtual display emulation stuffs
*
*/
void intel_vgpu_reset_display(struct intel_vgpu *vgpu)
{
emulate_monitor_status_change(vgpu);
}

1
drivers/gpu/drm/i915/gvt/display.h
View file

@ -158,6 +158,7 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);
int intel_vgpu_init_display(struct intel_vgpu *vgpu);
void intel_vgpu_reset_display(struct intel_vgpu *vgpu);
void intel_vgpu_clean_display(struct intel_vgpu *vgpu);
#endif

1
drivers/gpu/drm/i915/gvt/vgpu.c
View file

@ -385,6 +385,7 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
intel_vgpu_reset_resource(vgpu);
intel_vgpu_reset_mmio(vgpu);
populate_pvinfo_page(vgpu);
intel_vgpu_reset_display(vgpu);
if (dmlr)
intel_vgpu_reset_cfg_space(vgpu);