[PATCH] drm/amdgpu: enable FW workaround for VCN 4_0_5

[boyuan.zhang]

From: Boyuan Zhang <boyuan.zh...@amd.com>

Enabling VCN FW workaround for drm key injection through shared
memory for vcn 4_0_5

Signed-off-by: Boyuan Zhang <boyuan.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
index ba603b2246e2..a8cfc63713ad 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
@@ -207,6 +207,10 @@ static int vcn_v4_0_5_sw_init(struct amdgpu_ip_block 
*ip_block)
                if (amdgpu_sriov_vf(adev))
                        fw_shared->present_flag_0 |= 
cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
 
+               fw_shared->present_flag_0 |= 
AMDGPU_FW_SHARED_FLAG_0_DRM_KEY_INJECT;
+               fw_shared->drm_key_wa.method =
+                       AMDGPU_DRM_KEY_INJECT_WORKAROUND_VCNFW_ASD_HANDSHAKING;
+
                if (amdgpu_vcnfw_log)
                        amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
 
-- 
2.34.1