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drm/amdgpu: force to use legacy inv in mmhub

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MMHUB v4.1.0 only support fixed cache mode, so
only use legacy invalidation accordingly.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2024-07-31 11:58:46 +08:00 committed by Alex Deucher
parent f59902ffcc
commit 9192c7613c
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c
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@ -80,7 +80,8 @@ static uint32_t mmhub_v4_1_0_get_invalidate_req(unsigned int vmid,
/* invalidate using legacy mode on vmid*/
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
PER_VMID_INVALIDATE_REQ, 1 << vmid);
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
/* Only use legacy inv on mmhub side */
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0);
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);