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drm/amdgpu/vcn: set no_user_fence for VCN v2.0 enc/dec rings

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

Fixes: 1b61de45df ("drm/amdgpu: add initial VCN2.0 support (v2)")
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 e2b5499fca)
This commit is contained in:
Yinjie Yao
2026-04-28 15:51:17 -04:00
committed by Alex Deucher
parent 31bc64e87f
commit 8d80b293b4
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+2
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@@ -2113,6 +2113,7 @@ static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_DEC,
.align_mask = 0xf,
.no_user_fence = true,
.secure_submission_supported = true,
.get_rptr = vcn_v2_0_dec_ring_get_rptr,
.get_wptr = vcn_v2_0_dec_ring_get_wptr,
@@ -2145,6 +2146,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_enc_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_v2_0_enc_ring_get_rptr,
.get_wptr = vcn_v2_0_enc_ring_get_wptr,
.set_wptr = vcn_v2_0_enc_ring_set_wptr,