[AMD Official Use Only - AMD Internal Distribution Only]

Reviewed-by: Michael Chen <[email protected]>
________________________________
From: amd-gfx <[email protected]> on behalf of Shaoyun Liu 
<[email protected]>
Sent: Wednesday, September 24, 2025 9:43 PM
To: [email protected] <[email protected]>
Cc: Liu, Shaoyun <[email protected]>
Subject: [PATCH] drm/amd/amdgpu: Fix the mes version that support inv_tlbs

MES version 0x83 is not stable to use the inv_tlbs API. Defer it to 0x84 
vertsion.

Signed-off-by: Shaoyun Liu <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 404cc8c2ff2c..f4a19357ccbc 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -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) >= 0x83) {
+           (adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x84) {
                 struct mes_inv_tlbs_pasid_input input = {0};
                 input.pasid = pasid;
                 input.flush_type = flush_type;
--
2.34.1

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