]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
drm/amdgpu/vcn: set no_user_fence for VCN v2.5 enc/dec rings
authorYinjie Yao <yinjie.yao@amd.com>
Mon, 27 Apr 2026 15:45:35 +0000 (11:45 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Apr 2026 19:51:17 +0000 (15:51 -0400)
VCN encoder and decoder rings do not support 64-bit user fence writes,
reject CS submissions with user fences.

Fixes: 28c17d72072b ("drm/amdgpu: add VCN2.5 basic supports")
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 efc9dd5590894109bce9a0bfe1fa5592dd6b20b1)

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

index 006a15451197170aeed5eff546af58926a29fbec..8b8184fe6764b10e4aa59c5d8e1e6188e5e318fe 100644 (file)
@@ -1778,6 +1778,7 @@ static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
 static const struct amdgpu_ring_funcs vcn_v2_5_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_5_dec_ring_get_rptr,
        .get_wptr = vcn_v2_5_dec_ring_get_wptr,
@@ -1879,6 +1880,7 @@ static const struct amdgpu_ring_funcs vcn_v2_5_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_5_enc_ring_get_rptr,
        .get_wptr = vcn_v2_5_enc_ring_get_wptr,
        .set_wptr = vcn_v2_5_enc_ring_set_wptr,