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drm/amd/display: update psp interface header 

[Why]
We need to support SRM(System Renewability Message)
As per hdcp spec (5.Renewability) SRM needs to be storage in a non-volatile
memory.

PSP owns the checking of SRM but doesn't have the ability to store it in a
non-volatile memory. So we need the kernel driver to facilitate it using the
interface provided by PSP

[How]
Add the interface to the header file, so the driver can use them

v2: update commit description

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha 2019-12-12 16:00:01 -05:00 committed by Alex Deucher
parent e50dc17163
commit 79aad7bd95
1 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
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@ -117,6 +117,8 @@ struct ta_dtm_shared_memory {
int psp_cmd_submit_buf(struct psp_context *psp, struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd,
uint64_t fence_mc_addr);
enum { PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE = 5120 };
enum ta_hdcp_command {
TA_HDCP_COMMAND__INITIALIZE,
TA_HDCP_COMMAND__HDCP1_CREATE_SESSION,
@ -134,7 +136,10 @@ enum ta_hdcp_command {
TA_HDCP_COMMAND__UNUSED_3,
TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2,
TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2,
TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION
TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION,
TA_HDCP_COMMAND__HDCP_DESTROY_ALL_SESSIONS,
TA_HDCP_COMMAND__HDCP_SET_SRM,
TA_HDCP_COMMAND__HDCP_GET_SRM
};
enum ta_hdcp2_msg_id {
@ -415,6 +420,22 @@ struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input {
uint32_t display_handle;
};
struct ta_hdcp_cmd_set_srm_input {
uint32_t srm_buf_size;
uint8_t srm_buf[PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE];
};
struct ta_hdcp_cmd_set_srm_output {
uint8_t valid_signature;
uint32_t srm_version;
};
struct ta_hdcp_cmd_get_srm_output {
uint32_t srm_version;
uint32_t srm_buf_size;
uint8_t srm_buf[PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE];
};
/**********************************************************/
/* Common input structure for HDCP callbacks */
union ta_hdcp_cmd_input {
@ -432,6 +453,7 @@ union ta_hdcp_cmd_input {
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2
hdcp2_prepare_process_authentication_message_v2;
struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input hdcp2_enable_dp_stream_encryption;
struct ta_hdcp_cmd_set_srm_input hdcp_set_srm;
};
/* Common output structure for HDCP callbacks */
@ -444,6 +466,8 @@ union ta_hdcp_cmd_output {
struct ta_hdcp_cmd_hdcp2_create_session_output_v2 hdcp2_create_session_v2;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2
hdcp2_prepare_process_authentication_message_v2;
struct ta_hdcp_cmd_set_srm_output hdcp_set_srm;
struct ta_hdcp_cmd_get_srm_output hdcp_get_srm;
};
/**********************************************************/