[Public] Acked-by: Alex Deucher <[email protected]> ________________________________ From: Chengzhe Liu <[email protected]> Sent: Thursday, July 22, 2021 1:49 AM To: [email protected] <[email protected]> Cc: Tuikov, Luben <[email protected]>; Koenig, Christian <[email protected]>; Deucher, Alexander <[email protected]>; Xiao, Jack <[email protected]>; Zhang, Hawking <[email protected]>; Xu, Feifei <[email protected]>; Wang, Kevin(Yang) <[email protected]>; Liu, Cheng Zhe <[email protected]> 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 <[email protected]> --- 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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