Commit 85442bac authored by Shaoyun Liu's avatar Shaoyun Liu Committed by Alex Deucher
Browse files

drm/amd/amdgpu: Fix the mes version that support inv_tlbs 



MES pipe0 will do VM invalidation with engine set 5 when assign VMID to a process,
driver will submit inv_tlb package to mes pipe1. It might run into race condition
if both pipes use the same invalidate engine set. From MES version 0x83 it will use
invalidate engine set 6 for pipe1 to fix the issue

Signed-off-by: default avatarShaoyun Liu <shaoyun.liu@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 531df041

drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c

+1 −1
Original line number Diff line number Diff line
@@ -337,7 +337,7 @@ static void gmc_v12_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 
	int vmid, i;



	if (adev->enable_uni_mes && adev->mes.ring[AMDGPU_MES_SCHED_PIPE].sched.ready &&

	    (adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x81) {

	    (adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x83) {

		struct mes_inv_tlbs_pasid_input input = {0};

		input.pasid = pasid;

		input.flush_type = flush_type;