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drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring

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VCN encoder and decoder rings do not support 64-bit user fence writes,
reject CS submissions with user fences.

Fixes: b6d1a06320 ("drm/amdgpu: add VCN_5_0_0 IP block support")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yinjie Yao <yinjie.yao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yinjie Yao
2026-04-28 14:34:31 -04:00
committed by Alex Deucher
parent 084d94ac93
commit 49b1fbbb5a
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
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@@ -1207,6 +1207,7 @@ static const struct amdgpu_ring_funcs vcn_v5_0_0_unified_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_ENC,
.align_mask = 0x3f,
.nop = VCN_ENC_CMD_NO_OP,
.no_user_fence = true,
.get_rptr = vcn_v5_0_0_unified_ring_get_rptr,
.get_wptr = vcn_v5_0_0_unified_ring_get_wptr,
.set_wptr = vcn_v5_0_0_unified_ring_set_wptr,