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drm/amdgpu/vcn: set no_user_fence for VCN v5.0.2 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: 8433398c78 ("drm/amdgpu: Add VCN v5_0_2")
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>
(cherry picked from commit 48fc78c31ea7fec63100a772f863cf51b2f8cd0a)
This commit is contained in:
Yinjie Yao 2026-04-27 11:45:36 -04:00 committed by Alex Deucher
parent 8f4954722e
commit ed9d2832b0
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/vcn_v5_0_2.c
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@ -994,6 +994,7 @@ static const struct amdgpu_ring_funcs vcn_v5_0_2_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_2_unified_ring_get_rptr,
.get_wptr = vcn_v5_0_2_unified_ring_get_wptr,
.set_wptr = vcn_v5_0_2_unified_ring_set_wptr,