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authorYinjie Yao <yinjie.yao@amd.com>2026-04-27 11:45:35 -0400
committerAlex Deucher <alexander.deucher@amd.com>2026-04-28 15:51:17 -0400
commitf1e5a6660d7cbf006079126d9babbf0ccf538c6b (patch)
treeed116cc1b779901bb4a2b8f27454a2bfeaad680b /drivers/gpu
parent4f317863a3ab212a027d8c8c3cc3af4e3fb95704 (diff)
drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings
VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. Fixes: cf14826cdfb5 ("drm/amdgpu: add VCN3.0 support for Sienna_Cichlid") 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 663bed3c7b8b9a7624b0d95d300ddae034ad0614)
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 6fb4fcdbba4f..4924da5af5e7 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1856,6 +1856,7 @@ static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_DEC,
.align_mask = 0x3f,
.nop = VCN_DEC_SW_CMD_NO_OP,
+ .no_user_fence = true,
.secure_submission_supported = true,
.get_rptr = vcn_v3_0_dec_ring_get_rptr,
.get_wptr = vcn_v3_0_dec_ring_get_wptr,
@@ -2036,6 +2037,7 @@ static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
static const struct amdgpu_ring_funcs vcn_v3_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_v3_0_dec_ring_get_rptr,
.get_wptr = vcn_v3_0_dec_ring_get_wptr,
@@ -2138,6 +2140,7 @@ static const struct amdgpu_ring_funcs vcn_v3_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_v3_0_enc_ring_get_rptr,
.get_wptr = vcn_v3_0_enc_ring_get_wptr,
.set_wptr = vcn_v3_0_enc_ring_set_wptr,