From a24141456764873d7cde6e33a0fae809af505a57 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Thu, 31 Mar 2022 14:17:50 -0400
Subject: drm/amdgpu: don't use kiq to flush gpu tlb if mes enabled
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Git-commit: a3d686a6adbeb69806aa4c7a1cc338571bc423e9
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
If MES is enabled, don't use kiq to flush gpu tlb,
for it would result in conflicting with mes fw.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 9b4a035a5bf1..b8c79789e1e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -328,7 +328,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
/* For SRIOV run time, driver shouldn't access the register through MMIO
* Directly use kiq to do the vm invalidation instead
*/
- if (adev->gfx.kiq.ring.sched.ready &&
+ if (adev->gfx.kiq.ring.sched.ready && !adev->enable_mes &&
(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
down_read_trylock(&adev->reset_domain->sem)) {
struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
--
2.38.1