[DEBUG][Not Merge]Bosheng1/a15/dev.virtgpu debug #20
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from PKT kernel, add function virtio_gpu_find_vqs virtio device needs to delete before VM suspend happens then reinitialize all virtqueues again upon resume Tracked-On: OAM-130450 Signed-off-by: Zhao, Shirley <[email protected]> Signed-off-by: Dongwon Kim <[email protected]>
from PKT kernel Host KVM/QEMU loses all graphic resourses submitted by guest OS upon resumption from sleep or hibernation. This will cause invalid resource errors when the guest OS makes any request to the host regarding those resources. One way to prevent this problem is to let virtio-gpu driver resubmit all existing resources upon resumption. A linked-list for keeping references of all created virtio_gpu_object and its params is added for this save and restore mechanism. Virtio-gpu objects are added to the list whenever a new object is created and sent to the host. All backed-up objects will then be re-sent to the host in .resume function with 'create resource' virtio gpu command. Tracked-On: OAM-130450 Signed-off-by: Zhao, Shirley <[email protected]> Signed-off-by: Dongwon Kim <[email protected]>
shirley update Add tiling support featured with feature bit VIRTIO_GPU_F_MODIFIER, so buffer created by virtio gpu with intel_x_tiling and intel_y_tiling format could be rendered directly by i915. Tracked-On: OAM-130450 Change-Id: I8c6447736c4edbc8947ab0ea7b72d48d9e85a7c4 Signed-off-by: hangliu1 <[email protected]> Signed-off-by: Yifan Liu <[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
The gem buffer created by i915 in guest vm may be smaller than the resolution determined by the mode setting operation. In that case, a new framebuffer may be created by virtio gpu driver, and i915 rendering must be utilized to do the composition. To save the effort, pass the dst crtc info to the backend which will scale the gem buffer to the crtc. Tests done: - Android Boot / reboot / recovery - Android Boot using ACRN / fastboot - Wifi / Wifi Hotspot - BT / File Transfer - Audio / Video Playback - ADB - Web Browsing - Settings - Type C check - Factory reset Tracked-On: OAM-130450 Signed-off-by: Hang Liu<[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
virtio backend set the vblank queue number in the config space, since vblank interrupt reuse the virtio queue interrupt. Tests done: - Android Boot / reboot / recovery - Android Boot using ACRN / fastboot - Wifi / Wifi Hotspot - BT / File Transfer - Audio / Video Playback - ADB - Web Browsing - Settings - Type C check - Factory reset Tracked-On: OAM-130450 Signed-off-by: Hang Liu<[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
virtio gpu backend inject virtual vblank interrupt for each virtio gpu crtc. The purpose for doing this is to avoid the potential image tearing caused by the concurrent accessing the same framebuffer by rendering engine in guest and display engine in host. Tests done: - Android Boot / reboot / recovery - Android Boot using ACRN / fastboot - Wifi / Wifi Hotspot - BT / File Transfer - Audio / Video Playback - ADB - Web Browsing - Settings - Type C check - Factory reset Tracked-On: OAM-130450 Signed-off-by: Hang Liu<[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
set vblank on/off during atomic enable/disable, add vblank_get to protect vblank event operation, process vblank during virtio gpu restore. Tracked-On: OAM-130450 Signed-off-by: Xue, Bosheng <[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
Tile-4 is supported by Intel DG2. Support it could benefit performance. Tracked-On: OAM-130450 Signed-off-by: HeYue <[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
put set modifier ahead of set scanout to avoid set scaout operation can not get the lastest modifier, and refine set modifer api to pass resource id to backend. Tracked-On: OAM-130450 Signed-off-by: Xue, Bosheng <[email protected]> Signed-off-by: Zhao, Shirley <[email protected]>
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