This patch will fix the secure playback corruption due to HW bug on VCN4. Signed-off-by: sguttula <Suresh.Guttula@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 9 +++++++++ drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c | 4 ++++ 2 files changed, 13 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 1f1d7dc94f90..a3eed90b6af0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -161,6 +161,7 @@ } while (0) #define AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE (1 << 2) +#define AMDGPU_FW_SHARED_FLAG_0_DRM_KEY_INJECT (1 << 4) #define AMDGPU_VCN_FW_SHARED_FLAG_0_RB (1 << 6) #define AMDGPU_VCN_MULTI_QUEUE_FLAG (1 << 8) #define AMDGPU_VCN_SW_RING_FLAG (1 << 9) @@ -180,6 +181,8 @@ #define AMDGPU_VCN_SMU_DPM_INTERFACE_DGPU (0) #define AMDGPU_VCN_SMU_DPM_INTERFACE_APU (1) +#define AMDGPU_DRM_KEY_INJECT_WORKAROUND_VCNFW_ASD_HANDSHAKING 2 + enum fw_queue_mode { FW_QUEUE_RING_RESET = 1, FW_QUEUE_DPG_HOLD_OFF = 2, @@ -343,6 +346,11 @@ struct amdgpu_fw_shared_rb_setup { uint32_t reserved[6]; }; +struct amdgpu_fw_shared_drm_key_wa { + uint8_t method; + uint8_t reserved[3]; +}; + struct amdgpu_vcn4_fw_shared { uint32_t present_flag_0; uint8_t pad[12]; @@ -352,6 +360,7 @@ struct amdgpu_vcn4_fw_shared { uint8_t pad2[20]; struct amdgpu_fw_shared_rb_setup rb_setup; struct amdgpu_fw_shared_smu_interface_info smu_dpm_interface; + struct amdgpu_fw_shared_drm_key_wa drm_key_wa; }; struct amdgpu_vcn_fwlog { diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c index d199f87febd1..9f32c9f73941 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c @@ -169,6 +169,10 @@ static int vcn_v4_0_sw_init(void *handle) fw_shared->smu_dpm_interface.smu_interface_type = (adev->flags & AMD_IS_APU) ? AMDGPU_VCN_SMU_DPM_INTERFACE_APU : AMDGPU_VCN_SMU_DPM_INTERFACE_DGPU; + 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_sriov_vf(adev)) fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG); -- 2.25.1