diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1866-drm-amdgpu-Add-IDH_QUERY_ALIVE-event-for-SR-IOV.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1866-drm-amdgpu-Add-IDH_QUERY_ALIVE-event-for-SR-IOV.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1866-drm-amdgpu-Add-IDH_QUERY_ALIVE-event-for-SR-IOV.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1866-drm-amdgpu-Add-IDH_QUERY_ALIVE-event-for-SR-IOV.patch new file mode 100644 index 00000000..585d573f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1866-drm-amdgpu-Add-IDH_QUERY_ALIVE-event-for-SR-IOV.patch @@ -0,0 +1,45 @@ +From 976070d794c933df909fc6a14c0ac5bf3b3f3283 Mon Sep 17 00:00:00 2001 +From: Trigger Huang <Trigger.Huang@amd.com> +Date: Tue, 30 Apr 2019 16:23:29 +0800 +Subject: [PATCH 1866/2940] drm/amdgpu: Add IDH_QUERY_ALIVE event for SR-IOV + +SR-IOV host side will send IDH_QUERY_ALIVE to guest VM to check +if this guest VM is still alive (not destroyed). The only thing +guest KMD need to do is to send ACK back to host. + +Signed-off-by: Trigger Huang <Trigger.Huang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 3 +++ + drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 + + 2 files changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +index 089952a1e6b0..64a7b1fb1d1b 100644 +--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c ++++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +@@ -372,6 +372,9 @@ static int xgpu_ai_mailbox_rcv_irq(struct amdgpu_device *adev, + if (amdgpu_sriov_runtime(adev)) + schedule_work(&adev->virt.flr_work); + break; ++ case IDH_QUERY_ALIVE: ++ xgpu_ai_mailbox_send_ack(adev); ++ break; + /* READY_TO_ACCESS_GPU is fetched by kernel polling, IRQ can ignore + * it byfar since that polling thread will handle it, + * other msg like flr complete is not handled here. +diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h +index 39d151b79153..077e91a33d62 100644 +--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h ++++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h +@@ -49,6 +49,7 @@ enum idh_event { + IDH_FLR_NOTIFICATION_CMPL, + IDH_SUCCESS, + IDH_FAIL, ++ IDH_QUERY_ALIVE, + IDH_EVENT_MAX + }; + +-- +2.17.1 + |