[Public]
Acked-by: Alex Deucher <alexander.deuc...@amd.com>
________________________________
From: Chengzhe Liu <chengzhe....@amd.com>
Sent: Thursday, July 22, 2021 1:49 AM
To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
Cc: Tuikov, Luben <luben.tui...@amd.com>; Koenig, Christian
<christian.koe...@amd.com>; Deucher, Alexander <alexander.deuc...@amd.com>;
Xiao, Jack <jack.x...@amd.com>; Zhang, Hawking <hawking.zh...@amd.com>; Xu,
Feifei <feifei...@amd.com>; Wang, Kevin(Yang) <kevin1.w...@amd.com>; Liu, Cheng
Zhe <chengzhe....@amd.com>
Subject: [PATCH] drm/amdgpu: Add msix restore for pass-through mode
In pass-through mode, after mode 1 reset, msix enablement status would
lost and never receives interrupt again. So, we should restore msix
status after mode 1 reset.
Signed-off-by: Chengzhe Liu <chengzhe....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 83af307e97cd..e1aa4a5e6a98 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -584,7 +584,7 @@ void amdgpu_irq_gpu_reset_resume_helper(struct
amdgpu_device *adev)
{
int i, j, k;
- if (amdgpu_sriov_vf(adev))
+ if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev))
amdgpu_restore_msix(adev);
for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) {
--
2.25.1
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