Bhawanpreet, I suspect you're missing the header to include udelay in drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp2_execution.c. Can you please send a fix for this? On Tue, Dec 17, 2019 at 7:07 AM <ci_notify@xxxxxxxxxx> wrote: > > Successfully identified regression in *linux* in CI configuration tcwg_kernel/llvm-release-aarch64-next-allmodconfig. So far, this commit has regressed CI configurations: > - tcwg_kernel/gnu-release-aarch64-next-allmodconfig > - tcwg_kernel/llvm-master-aarch64-next-allyesconfig > - tcwg_kernel/llvm-master-arm-next-allmodconfig > - tcwg_kernel/llvm-release-aarch64-next-allmodconfig > - tcwg_kernel/llvm-release-arm-next-allmodconfig > > Culprit: > <cut> > commit 51466b3fd2725bfb0de629f71c0854ff276d50ae > Author: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> > > drm/amd/display: Add execution and transition states for HDCP2.2 > </cut> > > First few errors in logs of first_bad: > 00:03:03 drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp2_execution.c:162:4: error: implicit declaration of function 'udelay' [-Werror,-Wimplicit-function-declaration] > 00:03:03 drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp2_execution.c:472:3: error: implicit declaration of function 'udelay' [-Werror,-Wimplicit-function-declaration] > 00:03:03 make[4]: *** [drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp2_execution.o] Error 1 > 00:03:06 make[3]: *** [drivers/gpu/drm/amd/amdgpu] Error 2 > 00:03:26 make[2]: *** [drivers/gpu/drm] Error 2 > 00:03:26 make[1]: *** [drivers/gpu] Error 2 > 00:04:14 make: *** [drivers] Error 2 > Configuration details: > rr[llvm_url]="https://github.com/llvm/llvm-project.git"; > rr[linux_url]="https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git"; > rr[linux_branch]="32b8acf85223448973ca0bf0ee8149a01410f3a0" > > Results regressed to (for first_bad == 51466b3fd2725bfb0de629f71c0854ff276d50ae) > reset_artifacts: > -10 > build_llvm: > -1 > linux_n_obj: > 18938 > > from (for last_good == eff682f83c9c2030761e7536c5d97e1b20f71c15) > reset_artifacts: > -10 > build_llvm: > -1 > linux_n_obj: > 25911 > linux build successful: > all > > Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/build-51466b3fd2725bfb0de629f71c0854ff276d50ae/ > Artifacts of last_good build: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/build-eff682f83c9c2030761e7536c5d97e1b20f71c15/ > Build top page/logs: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/ > > Reproduce builds: > <cut> > mkdir investigate-linux-51466b3fd2725bfb0de629f71c0854ff276d50ae > cd investigate-linux-51466b3fd2725bfb0de629f71c0854ff276d50ae > > git clone https://git.linaro.org/toolchain/jenkins-scripts > > mkdir -p artifacts/manifests > curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/manifests/build-baseline.sh > curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/manifests/build-parameters.sh > curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/test.sh > chmod +x artifacts/test.sh > > # Reproduce the baseline build (build all pre-requisites) > ./jenkins-scripts/tcwg_kernel-build.sh @@ artifacts/manifests/build-baseline.sh > > cd linux > > # Reproduce first_bad build > git checkout --detach 51466b3fd2725bfb0de629f71c0854ff276d50ae > ../artifacts/test.sh > > # Reproduce last_good build > git checkout --detach eff682f83c9c2030761e7536c5d97e1b20f71c15 > ../artifacts/test.sh > > cd .. > </cut> > > History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/ci/tcwg_kernel/llvm-release-aarch64-next-allmodconfig > > Artifacts: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/artifact/artifacts/ > Build log: https://ci.linaro.org/job/tcwg_kernel-bisect-llvm-release-aarch64-next-allmodconfig/48/consoleText > > Full commit: > <cut> > commit 51466b3fd2725bfb0de629f71c0854ff276d50ae > Author: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> > Date: Wed Sep 18 11:18:15 2019 -0400 > > drm/amd/display: Add execution and transition states for HDCP2.2 > > The module works like a state machine > > +-------------+ > ------> | Execution.c | ------ > | +-------------+ | > | V > +----+ +--------+ +--------------+ > | DM | -----> | Hdcp.c | <------------ | Transition.c | > +----+ <----- +--------+ +--------------+ > > This patch adds the execution and transition files for 2.2 > > Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> > Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/amd/display/modules/hdcp/Makefile | 3 +- > drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c | 86 +- > drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h | 127 +++ > .../drm/amd/display/modules/hdcp/hdcp2_execution.c | 881 +++++++++++++++++++++ > .../amd/display/modules/hdcp/hdcp2_transition.c | 674 ++++++++++++++++ > drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h | 2 + > 6 files changed, 1764 insertions(+), 9 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/Makefile b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile > index 1c3c6d47973a..904424da01b5 100644 > --- a/drivers/gpu/drm/amd/display/modules/hdcp/Makefile > +++ b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile > @@ -24,7 +24,8 @@ > # > > HDCP = hdcp_ddc.o hdcp_log.o hdcp_psp.o hdcp.o \ > - hdcp1_execution.o hdcp1_transition.o > + hdcp1_execution.o hdcp1_transition.o \ > + hdcp2_execution.o hdcp2_transition.o > > AMD_DAL_HDCP = $(addprefix $(AMDDALPATH)/modules/hdcp/,$(HDCP)) > #$(info ************ DAL-HDCP_MAKEFILE ************) > diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c > index d7ac445dec6f..a74812977963 100644 > --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c > +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c > @@ -37,24 +37,52 @@ static void push_error_status(struct mod_hdcp *hdcp, > HDCP_ERROR_TRACE(hdcp, status); > } > > - hdcp->connection.hdcp1_retry_count++; > + if (is_hdcp1(hdcp)) { > + hdcp->connection.hdcp1_retry_count++; > + } else if (is_hdcp2(hdcp)) { > + hdcp->connection.hdcp2_retry_count++; > + } > } > > static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp) > { > - int i, display_enabled = 0; > + int i, is_auth_needed = 0; > > - /* if all displays on the link are disabled, hdcp is not desired */ > + /* if all displays on the link don't need authentication, > + * hdcp is not desired > + */ > for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { > if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_INACTIVE && > !hdcp->connection.displays[i].adjust.disable) { > - display_enabled = 1; > + is_auth_needed = 1; > break; > } > } > > return (hdcp->connection.hdcp1_retry_count < MAX_NUM_OF_ATTEMPTS) && > - display_enabled && !hdcp->connection.link.adjust.hdcp1.disable; > + is_auth_needed && > + !hdcp->connection.link.adjust.hdcp1.disable; > +} > + > +static uint8_t is_cp_desired_hdcp2(struct mod_hdcp *hdcp) > +{ > + int i, is_auth_needed = 0; > + > + /* if all displays on the link don't need authentication, > + * hdcp is not desired > + */ > + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { > + if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_INACTIVE && > + !hdcp->connection.displays[i].adjust.disable) { > + is_auth_needed = 1; > + break; > + } > + } > + > + return (hdcp->connection.hdcp2_retry_count < MAX_NUM_OF_ATTEMPTS) && > + is_auth_needed && > + !hdcp->connection.link.adjust.hdcp2.disable && > + !hdcp->connection.is_hdcp2_revoked; > } > > static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, > @@ -82,6 +110,11 @@ static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, > } else if (is_in_hdcp1_dp_states(hdcp)) { > status = mod_hdcp_hdcp1_dp_execution(hdcp, > event_ctx, &input->hdcp1); > + } else if (is_in_hdcp2_states(hdcp)) { > + status = mod_hdcp_hdcp2_execution(hdcp, event_ctx, &input->hdcp2); > + } else if (is_in_hdcp2_dp_states(hdcp)) { > + status = mod_hdcp_hdcp2_dp_execution(hdcp, > + event_ctx, &input->hdcp2); > } > out: > return status; > @@ -99,7 +132,10 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, > > if (is_in_initialized_state(hdcp)) { > if (is_dp_hdcp(hdcp)) > - if (is_cp_desired_hdcp1(hdcp)) { > + if (is_cp_desired_hdcp2(hdcp)) { > + callback_in_ms(0, output); > + set_state_id(hdcp, output, D2_A0_DETERMINE_RX_HDCP_CAPABLE); > + } else if (is_cp_desired_hdcp1(hdcp)) { > callback_in_ms(0, output); > set_state_id(hdcp, output, D1_A0_DETERMINE_RX_HDCP_CAPABLE); > } else { > @@ -107,7 +143,10 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, > set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED); > } > else if (is_hdmi_dvi_sl_hdcp(hdcp)) > - if (is_cp_desired_hdcp1(hdcp)) { > + if (is_cp_desired_hdcp2(hdcp)) { > + callback_in_ms(0, output); > + set_state_id(hdcp, output, H2_A0_KNOWN_HDCP2_CAPABLE_RX); > + } else if (is_cp_desired_hdcp1(hdcp)) { > callback_in_ms(0, output); > set_state_id(hdcp, output, H1_A0_WAIT_FOR_ACTIVE_RX); > } else { > @@ -126,6 +165,12 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, > } else if (is_in_hdcp1_dp_states(hdcp)) { > status = mod_hdcp_hdcp1_dp_transition(hdcp, > event_ctx, &input->hdcp1, output); > + } else if (is_in_hdcp2_states(hdcp)) { > + status = mod_hdcp_hdcp2_transition(hdcp, > + event_ctx, &input->hdcp2, output); > + } else if (is_in_hdcp2_dp_states(hdcp)) { > + status = mod_hdcp_hdcp2_dp_transition(hdcp, > + event_ctx, &input->hdcp2, output); > } else { > status = MOD_HDCP_STATUS_INVALID_STATE; > } > @@ -139,9 +184,13 @@ static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp, > enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > > if (is_hdcp1(hdcp)) { > - if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) > + if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) { > + /* TODO - update psp to unify create session failure > + * recovery between hdcp1 and 2. > + */ > mod_hdcp_hdcp1_destroy_session(hdcp); > > + } > if (hdcp->auth.trans_input.hdcp1.add_topology == PASS) { > status = mod_hdcp_remove_display_topology(hdcp); > if (status != MOD_HDCP_STATUS_SUCCESS) { > @@ -154,6 +203,27 @@ static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp, > memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); > memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); > set_state_id(hdcp, output, HDCP_INITIALIZED); > + } else if (is_hdcp2(hdcp)) { > + if (hdcp->auth.trans_input.hdcp2.create_session == PASS) { > + status = mod_hdcp_hdcp2_destroy_session(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) { > + output->callback_needed = 0; > + output->watchdog_timer_needed = 0; > + goto out; > + } > + } > + if (hdcp->auth.trans_input.hdcp2.add_topology == PASS) { > + status = mod_hdcp_remove_display_topology(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) { > + output->callback_needed = 0; > + output->watchdog_timer_needed = 0; > + goto out; > + } > + } > + HDCP_TOP_RESET_AUTH_TRACE(hdcp); > + memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); > + memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); > + set_state_id(hdcp, output, HDCP_INITIALIZED); > } else if (is_in_cp_not_desired_state(hdcp)) { > status = mod_hdcp_remove_display_topology(hdcp); > if (status != MOD_HDCP_STATUS_SUCCESS) { > diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h > index d83f0ab1cadb..9887c5ea6d5f 100644 > --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h > +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h > @@ -44,11 +44,13 @@ > #define BINFO_MAX_DEVS_EXCEEDED_MASK_DP 0x0080 > #define BINFO_MAX_CASCADE_EXCEEDED_MASK_DP 0x0800 > > +#define VERSION_HDCP2_MASK 0x04 > #define RXSTATUS_MSG_SIZE_MASK 0x03FF > #define RXSTATUS_READY_MASK 0x0400 > #define RXSTATUS_REAUTH_REQUEST_MASK 0x0800 > #define RXIDLIST_DEVICE_COUNT_LOWER_MASK 0xf0 > #define RXIDLIST_DEVICE_COUNT_UPPER_MASK 0x01 > +#define RXCAPS_BYTE2_HDCP2_VERSION_DP 0x02 > #define RXCAPS_BYTE0_HDCP_CAPABLE_MASK_DP 0x02 > #define RXSTATUS_READY_MASK_DP 0x0001 > #define RXSTATUS_H_P_AVAILABLE_MASK_DP 0x0002 > @@ -92,8 +94,52 @@ struct mod_hdcp_transition_input_hdcp1 { > uint8_t stream_encryption_dp; > }; > > +struct mod_hdcp_transition_input_hdcp2 { > + uint8_t hdcp2version_read; > + uint8_t hdcp2_capable_check; > + uint8_t add_topology; > + uint8_t create_session; > + uint8_t ake_init_prepare; > + uint8_t ake_init_write; > + uint8_t rxstatus_read; > + uint8_t ake_cert_available; > + uint8_t ake_cert_read; > + uint8_t ake_cert_validation; > + uint8_t stored_km_write; > + uint8_t no_stored_km_write; > + uint8_t h_prime_available; > + uint8_t h_prime_read; > + uint8_t pairing_available; > + uint8_t pairing_info_read; > + uint8_t h_prime_validation; > + uint8_t lc_init_prepare; > + uint8_t lc_init_write; > + uint8_t l_prime_available_poll; > + uint8_t l_prime_read; > + uint8_t l_prime_validation; > + uint8_t eks_prepare; > + uint8_t eks_write; > + uint8_t enable_encryption; > + uint8_t reauth_request_check; > + uint8_t rx_id_list_read; > + uint8_t device_count_check; > + uint8_t rx_id_list_validation; > + uint8_t repeater_auth_ack_write; > + uint8_t prepare_stream_manage; > + uint8_t stream_manage_write; > + uint8_t stream_ready_available; > + uint8_t stream_ready_read; > + uint8_t stream_ready_validation; > + > + uint8_t rx_caps_read_dp; > + uint8_t content_stream_type_write; > + uint8_t link_integrity_check_dp; > + uint8_t stream_encryption_dp; > +}; > + > union mod_hdcp_transition_input { > struct mod_hdcp_transition_input_hdcp1 hdcp1; > + struct mod_hdcp_transition_input_hdcp2 hdcp2; > }; > > struct mod_hdcp_message_hdcp1 { > @@ -150,8 +196,10 @@ struct mod_hdcp_connection { > struct mod_hdcp_display displays[MAX_NUM_OF_DISPLAYS]; > uint8_t is_repeater; > uint8_t is_km_stored; > + uint8_t is_hdcp2_revoked; > struct mod_hdcp_trace trace; > uint8_t hdcp1_retry_count; > + uint8_t hdcp2_retry_count; > }; > > /* contains values per authentication cycle */ > @@ -219,6 +267,50 @@ enum mod_hdcp_hdcp1_dp_state_id { > HDCP1_DP_STATE_END = D1_A7_READ_KSV_LIST, > }; > > +enum mod_hdcp_hdcp2_state_id { > + HDCP2_STATE_START = HDCP1_DP_STATE_END, > + H2_A0_KNOWN_HDCP2_CAPABLE_RX, > + H2_A1_SEND_AKE_INIT, > + H2_A1_VALIDATE_AKE_CERT, > + H2_A1_SEND_NO_STORED_KM, > + H2_A1_READ_H_PRIME, > + H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME, > + H2_A1_SEND_STORED_KM, > + H2_A1_VALIDATE_H_PRIME, > + H2_A2_LOCALITY_CHECK, > + H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER, > + H2_ENABLE_ENCRYPTION, > + H2_A5_AUTHENTICATED, > + H2_A6_WAIT_FOR_RX_ID_LIST, > + H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK, > + H2_A9_SEND_STREAM_MANAGEMENT, > + H2_A9_VALIDATE_STREAM_READY, > + HDCP2_STATE_END = H2_A9_VALIDATE_STREAM_READY, > +}; > + > +enum mod_hdcp_hdcp2_dp_state_id { > + HDCP2_DP_STATE_START = HDCP2_STATE_END, > + D2_A0_DETERMINE_RX_HDCP_CAPABLE, > + D2_A1_SEND_AKE_INIT, > + D2_A1_VALIDATE_AKE_CERT, > + D2_A1_SEND_NO_STORED_KM, > + D2_A1_READ_H_PRIME, > + D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME, > + D2_A1_SEND_STORED_KM, > + D2_A1_VALIDATE_H_PRIME, > + D2_A2_LOCALITY_CHECK, > + D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER, > + D2_SEND_CONTENT_STREAM_TYPE, > + D2_ENABLE_ENCRYPTION, > + D2_A5_AUTHENTICATED, > + D2_A6_WAIT_FOR_RX_ID_LIST, > + D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK, > + D2_A9_SEND_STREAM_MANAGEMENT, > + D2_A9_VALIDATE_STREAM_READY, > + HDCP2_DP_STATE_END = D2_A9_VALIDATE_STREAM_READY, > + HDCP_STATE_END = HDCP2_DP_STATE_END, > +}; > + > /* hdcp1 executions and transitions */ > typedef enum mod_hdcp_status (*mod_hdcp_action)(struct mod_hdcp *hdcp); > uint8_t mod_hdcp_execute_and_set( > @@ -239,6 +331,22 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp, > struct mod_hdcp_transition_input_hdcp1 *input, > struct mod_hdcp_output *output); > > +/* hdcp2 executions and transitions */ > +enum mod_hdcp_status mod_hdcp_hdcp2_execution(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input); > +enum mod_hdcp_status mod_hdcp_hdcp2_dp_execution(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input); > +enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input, > + struct mod_hdcp_output *output); > +enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input, > + struct mod_hdcp_output *output); > + > /* log functions */ > void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, > uint8_t *buf, uint32_t buf_size); > @@ -289,6 +397,7 @@ enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp); > +enum mod_hdcp_status mod_hdcp_read_hdcp2version(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp); > enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp); > @@ -352,11 +461,28 @@ static inline uint8_t is_in_hdcp1_dp_states(struct mod_hdcp *hdcp) > current_state(hdcp) <= HDCP1_DP_STATE_END); > } > > +static inline uint8_t is_in_hdcp2_states(struct mod_hdcp *hdcp) > +{ > + return (current_state(hdcp) > HDCP2_STATE_START && > + current_state(hdcp) <= HDCP2_STATE_END); > +} > + > +static inline uint8_t is_in_hdcp2_dp_states(struct mod_hdcp *hdcp) > +{ > + return (current_state(hdcp) > HDCP2_DP_STATE_START && > + current_state(hdcp) <= HDCP2_DP_STATE_END); > +} > + > static inline uint8_t is_hdcp1(struct mod_hdcp *hdcp) > { > return (is_in_hdcp1_states(hdcp) || is_in_hdcp1_dp_states(hdcp)); > } > > +static inline uint8_t is_hdcp2(struct mod_hdcp *hdcp) > +{ > + return (is_in_hdcp2_states(hdcp) || is_in_hdcp2_dp_states(hdcp)); > +} > + > static inline uint8_t is_in_cp_not_desired_state(struct mod_hdcp *hdcp) > { > return current_state(hdcp) == HDCP_CP_NOT_DESIRED; > @@ -481,6 +607,7 @@ static inline struct mod_hdcp_display *get_empty_display_container( > static inline void reset_retry_counts(struct mod_hdcp *hdcp) > { > hdcp->connection.hdcp1_retry_count = 0; > + hdcp->connection.hdcp2_retry_count = 0; > } > > #endif /* HDCP_H_ */ > diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c > new file mode 100644 > index 000000000000..c93c8098d972 > --- /dev/null > +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c > @@ -0,0 +1,881 @@ > +/* > + * Copyright 2018 Advanced Micro Devices, Inc. > + * > + * Permission is hereby granted, free of charge, to any person obtaining a > + * copy of this software and associated documentation files (the "Software"), > + * to deal in the Software without restriction, including without limitation > + * the rights to use, copy, modify, merge, publish, distribute, sublicense, > + * and/or sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR > + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, > + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + * > + * Authors: AMD > + * > + */ > + > +#include "hdcp.h" > + > +static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp *hdcp) > +{ > + uint8_t is_ready = 0; > + > + if (is_dp_hdcp(hdcp)) > + is_ready = (hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_READY_MASK_DP) ? 1 : 0; > + else > + is_ready = ((hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_READY_MASK) && > + (hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK)) ? 1 : 0; > + return is_ready ? MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY; > +} > + > +static inline enum mod_hdcp_status check_hdcp2_capable(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + > + if (is_dp_hdcp(hdcp)) > + status = ((hdcp->auth.msg.hdcp2.rxcaps_dp[2] & > + RXCAPS_BYTE0_HDCP_CAPABLE_MASK_DP) && > + (hdcp->auth.msg.hdcp2.rxcaps_dp[0] == > + RXCAPS_BYTE2_HDCP2_VERSION_DP)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE; > + else > + status = (hdcp->auth.msg.hdcp2.hdcp2version_hdmi & VERSION_HDCP2_MASK) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE; > + return status; > +} > + > +static inline enum mod_hdcp_status check_reauthentication_request( > + struct mod_hdcp *hdcp) > +{ > + uint8_t ret = 0; > + > + if (is_dp_hdcp(hdcp)) > + ret = (hdcp->auth.msg.hdcp2.rxstatus & > + RXSTATUS_REAUTH_REQUEST_MASK_DP) ? > + MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST : > + MOD_HDCP_STATUS_SUCCESS; > + else > + ret = (hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_REAUTH_REQUEST_MASK) ? > + MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST : > + MOD_HDCP_STATUS_SUCCESS; > + return ret; > +} > + > +static inline enum mod_hdcp_status check_link_integrity_failure_dp( > + struct mod_hdcp *hdcp) > +{ > + return (hdcp->auth.msg.hdcp2.rxstatus & > + RXSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP) ? > + MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE : > + MOD_HDCP_STATUS_SUCCESS; > +} > + > +static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + uint16_t size; > + > + if (is_dp_hdcp(hdcp)) { > + status = MOD_HDCP_STATUS_SUCCESS; > + } else { > + status = mod_hdcp_read_rxstatus(hdcp); > + if (status == MOD_HDCP_STATUS_SUCCESS) { > + size = hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK; > + status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_cert)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING; > + } > + } > + return status; > +} > + > +static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + uint8_t size; > + > + status = mod_hdcp_read_rxstatus(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) > + goto out; > + > + if (is_dp_hdcp(hdcp)) { > + status = (hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_H_P_AVAILABLE_MASK_DP) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING; > + } else { > + size = hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK; > + status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING; > + } > +out: > + return status; > +} > + > +static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + uint8_t size; > + > + status = mod_hdcp_read_rxstatus(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) > + goto out; > + > + if (is_dp_hdcp(hdcp)) { > + status = (hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_PAIRING_AVAILABLE_MASK_DP) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING; > + } else { > + size = hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK; > + status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING; > + } > +out: > + return status; > +} > + > +static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + uint8_t size; > + uint16_t max_wait = 20000; // units of us > + uint16_t num_polls = 5; > + uint16_t wait_time = max_wait / num_polls; > + > + if (is_dp_hdcp(hdcp)) > + status = MOD_HDCP_STATUS_INVALID_OPERATION; > + else > + for (; num_polls; num_polls--) { > + udelay(wait_time); > + > + status = mod_hdcp_read_rxstatus(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) > + break; > + > + size = hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK; > + status = (size == sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING; > + if (status == MOD_HDCP_STATUS_SUCCESS) > + break; > + } > + return status; > +} > + > +static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp) > +{ > + enum mod_hdcp_status status; > + uint8_t size; > + > + if (is_dp_hdcp(hdcp)) { > + status = MOD_HDCP_STATUS_INVALID_OPERATION; > + } else { > + status = mod_hdcp_read_rxstatus(hdcp); > + if (status != MOD_HDCP_STATUS_SUCCESS) > + goto out; > + size = hdcp->auth.msg.hdcp2.rxstatus & RXSTATUS_MSG_SIZE_MASK; > + status = (size == sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)) ? > + MOD_HDCP_STATUS_SUCCESS : > + MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING; > + } > +out: > + return status; > +} > + > +static inline uint8_t get_device_count(struct mod_hdcp *hdcp) > +{ > + return ((hdcp->auth.msg.hdcp2.rx_id_list[2] & RXIDLIST_DEVICE_COUNT_LOWER_MASK) >> 4) + > + ((hdcp->auth.msg.hdcp2.rx_id_list[1] & RXIDLIST_DEVICE_COUNT_UPPER_MASK) << 4); > +} > + > +static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp) > +{ > + /* device count must be greater than or equal to tracked hdcp displays */ > + return (get_device_count(hdcp) < get_added_display_count(hdcp)) ? > + MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE : > + MOD_HDCP_STATUS_SUCCESS; > +} > + > +static uint8_t process_rxstatus(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input, > + enum mod_hdcp_status *status) > +{ > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_rxstatus, > + &input->rxstatus_read, status, > + hdcp, "rxstatus_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(check_reauthentication_request, > + &input->reauth_request_check, status, > + hdcp, "reauth_request_check")) > + goto out; > + if (is_dp_hdcp(hdcp)) { > + if (!mod_hdcp_execute_and_set(check_link_integrity_failure_dp, > + &input->link_integrity_check_dp, status, > + hdcp, "link_integrity_check_dp")) > + goto out; > + } > + if (hdcp->connection.is_repeater) > + if (check_receiver_id_list_ready(hdcp) == > + MOD_HDCP_STATUS_SUCCESS) { > + HDCP_INPUT_PASS_TRACE(hdcp, "rx_id_list_ready"); > + event_ctx->rx_id_list_ready = 1; > + if (is_dp_hdcp(hdcp)) > + hdcp->auth.msg.hdcp2.rx_id_list_size = > + sizeof(hdcp->auth.msg.hdcp2.rx_id_list); > + else > + hdcp->auth.msg.hdcp2.rx_id_list_size = > + hdcp->auth.msg.hdcp2.rxstatus & 0x3FF; > + } > +out: > + return (*status == MOD_HDCP_STATUS_SUCCESS); > +} > + > +static enum mod_hdcp_status known_hdcp2_capable_rx(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_hdcp2version, > + &input->hdcp2version_read, &status, > + hdcp, "hdcp2version_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(check_hdcp2_capable, > + &input->hdcp2_capable_check, &status, > + hdcp, "hdcp2_capable")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status send_ake_init(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + if (!mod_hdcp_execute_and_set(mod_hdcp_add_display_topology, > + &input->add_topology, &status, > + hdcp, "add_topology")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_create_session, > + &input->create_session, &status, > + hdcp, "create_session")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_ake_init, > + &input->ake_init_prepare, &status, > + hdcp, "ake_init_prepare")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_write_ake_init, > + &input->ake_init_write, &status, > + hdcp, "ake_init_write")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status validate_ake_cert(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (is_hdmi_dvi_sl_hdcp(hdcp)) > + if (!mod_hdcp_execute_and_set(check_ake_cert_available, > + &input->ake_cert_available, &status, > + hdcp, "ake_cert_available")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_ake_cert, > + &input->ake_cert_read, &status, > + hdcp, "ake_cert_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_ake_cert, > + &input->ake_cert_validation, &status, > + hdcp, "ake_cert_validation")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status send_no_stored_km(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(mod_hdcp_write_no_stored_km, > + &input->no_stored_km_write, &status, > + hdcp, "no_stored_km_write")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status read_h_prime(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ && > + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(check_h_prime_available, > + &input->h_prime_available, &status, > + hdcp, "h_prime_available")) > + goto out; > + > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_h_prime, > + &input->h_prime_read, &status, > + hdcp, "h_prime_read")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status read_pairing_info_and_validate_h_prime( > + struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ && > + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(check_pairing_info_available, > + &input->pairing_available, &status, > + hdcp, "pairing_available")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_pairing_info, > + &input->pairing_info_read, &status, > + hdcp, "pairing_info_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_h_prime, > + &input->h_prime_validation, &status, > + hdcp, "h_prime_validation")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status send_stored_km(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(mod_hdcp_write_stored_km, > + &input->stored_km_write, &status, > + hdcp, "stored_km_write")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status validate_h_prime(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ && > + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(check_h_prime_available, > + &input->h_prime_available, &status, > + hdcp, "h_prime_available")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_h_prime, > + &input->h_prime_read, &status, > + hdcp, "h_prime_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_h_prime, > + &input->h_prime_validation, &status, > + hdcp, "h_prime_validation")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_lc_init, > + &input->lc_init_prepare, &status, > + hdcp, "lc_init_prepare")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_write_lc_init, > + &input->lc_init_write, &status, > + hdcp, "lc_init_write")) > + goto out; > + if (is_dp_hdcp(hdcp)) > + udelay(16000); > + else > + if (!mod_hdcp_execute_and_set(poll_l_prime_available, > + &input->l_prime_available_poll, &status, > + hdcp, "l_prime_available_poll")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_read_l_prime, > + &input->l_prime_read, &status, > + hdcp, "l_prime_read")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_l_prime, > + &input->l_prime_validation, &status, > + hdcp, "l_prime_validation")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status exchange_ks_and_test_for_repeater(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_eks, > + &input->eks_prepare, &status, > + hdcp, "eks_prepare")) > + goto out; > + if (!mod_hdcp_execute_and_set(mod_hdcp_write_eks, > + &input->eks_write, &status, > + hdcp, "eks_write")) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status enable_encryption(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + if (event_ctx->event == MOD_HDCP_EVENT_CPIRQ) { > + process_rxstatus(hdcp, event_ctx, input, &status); > + goto out; > + } > + > + if (is_hdmi_dvi_sl_hdcp(hdcp)) { > + if (!process_rxstatus(hdcp, event_ctx, input, &status)) > + goto out; > + if (event_ctx->rx_id_list_ready) > + goto out; > + } > + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_enable_encryption, > + &input->enable_encryption, &status, > + hdcp, "enable_encryption")) > + goto out; > + if (is_dp_mst_hdcp(hdcp)) { > + if (!mod_hdcp_execute_and_set( > + mod_hdcp_hdcp2_enable_dp_stream_encryption, > + &input->stream_encryption_dp, &status, > + hdcp, "stream_encryption_dp")) > + goto out; > + } > +out: > + return status; > +} > + > +static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!process_rxstatus(hdcp, event_ctx, input, &status)) > + goto out; > + if (event_ctx->rx_id_list_ready) > + goto out; > +out: > + return status; > +} > + > +static enum mod_hdcp_status wait_for_rx_id_list(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > +{ > + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; > + > + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && > + event_ctx->event != MOD_HDCP_EVENT_CPIRQ && > + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { > + event_ctx->unexpected_event = 1; > + goto out; > + } > + > + if (!process_rxstatus(hdcp, event_ctx, input, &status)) > + goto out; > + if (!event_ctx->rx_id_list_ready) { > + status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY; > + goto out; > + } > +out: > + return status; > +} > + > +static enum mod_hdcp_status verify_rx_id_list_and_send_ack(struct mod_hdcp *hdcp, > + struct mod_hdcp_event_context *event_ctx, > + struct mod_hdcp_transition_input_hdcp2 *input) > </cut> > > -- > You received this message because you are subscribed to the Google Groups "Clang Built Linux" group. > To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/112215220.5289.1576595244770.JavaMail.javamailuser%40localhost. -- Thanks, ~Nick Desaulniers _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
