diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
4 files changed, 215 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f1de629c7637..40915767265d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -115,6 +115,8 @@ #include "modules/inc/mod_freesync.h" #include "modules/power/power_helpers.h" +static_assert(AMDGPU_DMUB_NOTIFICATION_MAX == DMUB_NOTIFICATION_MAX, "AMDGPU_DMUB_NOTIFICATION_MAX mismatch"); + #define FIRMWARE_RENOIR_DMUB "amdgpu/renoir_dmcub.bin" MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB); #define FIRMWARE_SIENNA_CICHLID_DMUB "amdgpu/sienna_cichlid_dmcub.bin" @@ -749,6 +751,29 @@ static void dmub_aux_setconfig_callback(struct amdgpu_device *adev, complete(&adev->dm.dmub_aux_transfer_done); } +static void dmub_aux_fused_io_callback(struct amdgpu_device *adev, + struct dmub_notification *notify) +{ + if (!adev || !notify) { + ASSERT(false); + return; + } + + const struct dmub_cmd_fused_request *req = ¬ify->fused_request; + const uint8_t ddc_line = req->u.aux.ddc_line; + + if (ddc_line >= ARRAY_SIZE(adev->dm.fused_io)) { + ASSERT(false); + return; + } + + struct fused_io_sync *sync = &adev->dm.fused_io[ddc_line]; + + static_assert(sizeof(*req) <= sizeof(sync->reply_data), "Size mismatch"); + memcpy(sync->reply_data, req, sizeof(*req)); + complete(&sync->replied); +} + /** * dmub_hpd_callback - DMUB HPD interrupt processing callback. * @adev: amdgpu_device pointer @@ -885,6 +910,30 @@ static void dm_handle_hpd_work(struct work_struct *work) } +static const char *dmub_notification_type_str(enum dmub_notification_type e) +{ + switch (e) { + case DMUB_NOTIFICATION_NO_DATA: + return "NO_DATA"; + case DMUB_NOTIFICATION_AUX_REPLY: + return "AUX_REPLY"; + case DMUB_NOTIFICATION_HPD: + return "HPD"; + case DMUB_NOTIFICATION_HPD_IRQ: + return "HPD_IRQ"; + case DMUB_NOTIFICATION_SET_CONFIG_REPLY: + return "SET_CONFIG_REPLY"; + case DMUB_NOTIFICATION_DPIA_NOTIFICATION: + return "DPIA_NOTIFICATION"; + case DMUB_NOTIFICATION_HPD_SENSE_NOTIFY: + return "HPD_SENSE_NOTIFY"; + case DMUB_NOTIFICATION_FUSED_IO: + return "FUSED_IO"; + default: + return "<unknown>"; + } +} + #define DMUB_TRACE_MAX_READ 64 /** * dm_dmub_outbox1_low_irq() - Handles Outbox interrupt @@ -902,15 +951,6 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params) struct dmcub_trace_buf_entry entry = { 0 }; u32 count = 0; struct dmub_hpd_work *dmub_hpd_wrk; - static const char *const event_type[] = { - "NO_DATA", - "AUX_REPLY", - "HPD", - "HPD_IRQ", - "SET_CONFIGC_REPLY", - "DPIA_NOTIFICATION", - "HPD_SENSE_NOTIFY", - }; do { if (dc_dmub_srv_get_dmub_outbox0_msg(dm->dc, &entry)) { @@ -940,7 +980,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params) } if (!dm->dmub_callback[notify.type]) { drm_warn(adev_to_drm(adev), "DMUB notification skipped due to no handler: type=%s\n", - event_type[notify.type]); + dmub_notification_type_str(notify.type)); continue; } if (dm->dmub_thread_offload[notify.type] == true) { @@ -2131,6 +2171,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) adev->dm.dc->debug.using_dml21 = true; } + if (amdgpu_dc_debug_mask & DC_HDCP_LC_FORCE_FW_ENABLE) + adev->dm.dc->debug.hdcp_lc_force_fw_enable = true; + + if (amdgpu_dc_debug_mask & DC_HDCP_LC_ENABLE_SW_FALLBACK) + adev->dm.dc->debug.hdcp_lc_enable_sw_fallback = true; + adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm; /* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */ @@ -2213,6 +2259,15 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) drm_err(adev_to_drm(adev), "amdgpu: fail to register dmub aux callback"); goto error; } + + for (size_t i = 0; i < ARRAY_SIZE(adev->dm.fused_io); i++) + init_completion(&adev->dm.fused_io[i].replied); + + if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_FUSED_IO, + dmub_aux_fused_io_callback, false)) { + drm_err(adev_to_drm(adev), "amdgpu: fail to register dmub fused io callback"); + goto error; + } /* Enable outbox notification only after IRQ handlers are registered and DMUB is alive. * It is expected that DMUB will resend any pending notifications at this point. Note * that hpd and hpd_irq handler registration are deferred to register_hpd_handlers() to @@ -12812,6 +12867,79 @@ out: return ret; } +static void abort_fused_io( + struct dc_context *ctx, + const struct dmub_cmd_fused_request *request +) +{ + union dmub_rb_cmd command = { 0 }; + struct dmub_rb_cmd_fused_io *io = &command.fused_io; + + io->header.type = DMUB_CMD__FUSED_IO; + io->header.sub_type = DMUB_CMD__FUSED_IO_ABORT; + io->header.payload_bytes = sizeof(*io) - sizeof(io->header); + io->request = *request; + dm_execute_dmub_cmd(ctx, &command, DM_DMUB_WAIT_TYPE_NO_WAIT); +} + +static bool execute_fused_io( + struct amdgpu_device *dev, + struct dc_context *ctx, + union dmub_rb_cmd *commands, + uint8_t count, + uint32_t timeout_us +) +{ + const uint8_t ddc_line = commands[0].fused_io.request.u.aux.ddc_line; + + if (ddc_line >= ARRAY_SIZE(dev->dm.fused_io)) + return false; + + struct fused_io_sync *sync = &dev->dm.fused_io[ddc_line]; + struct dmub_rb_cmd_fused_io *first = &commands[0].fused_io; + const bool result = dm_execute_dmub_cmd_list(ctx, count, commands, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) + && first->header.ret_status + && first->request.status == FUSED_REQUEST_STATUS_SUCCESS; + + if (!result) + return false; + + while (wait_for_completion_timeout(&sync->replied, usecs_to_jiffies(timeout_us))) { + reinit_completion(&sync->replied); + + struct dmub_cmd_fused_request *reply = (struct dmub_cmd_fused_request *) sync->reply_data; + + static_assert(sizeof(*reply) <= sizeof(sync->reply_data), "Size mismatch"); + + if (reply->identifier == first->request.identifier) { + first->request = *reply; + return true; + } + } + + reinit_completion(&sync->replied); + first->request.status = FUSED_REQUEST_STATUS_TIMEOUT; + abort_fused_io(ctx, &first->request); + return false; +} + +bool amdgpu_dm_execute_fused_io( + struct amdgpu_device *dev, + struct dc_link *link, + union dmub_rb_cmd *commands, + uint8_t count, + uint32_t timeout_us) +{ + struct amdgpu_display_manager *dm = &dev->dm; + + mutex_lock(&dm->dpia_aux_lock); + + const bool result = execute_fused_io(dev, link->ctx, commands, count, timeout_us); + + mutex_unlock(&dm->dpia_aux_lock); + return result; +} + int amdgpu_dm_process_dmub_set_config_sync( struct dc_context *ctx, unsigned int link_index, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 740ff0b1fc13..c8201a7a1ad6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -50,7 +50,7 @@ #define AMDGPU_DM_MAX_NUM_EDP 2 -#define AMDGPU_DMUB_NOTIFICATION_MAX 7 +#define AMDGPU_DMUB_NOTIFICATION_MAX 8 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A #define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40 @@ -81,6 +81,7 @@ struct amdgpu_bo; struct dmub_srv; struct dc_plane_state; struct dmub_notification; +struct dmub_cmd_fused_request; struct amd_vsdb_block { unsigned char ieee_id[3]; @@ -637,6 +638,11 @@ struct amdgpu_display_manager { * OEM i2c bus */ struct amdgpu_i2c_adapter *oem_i2c; + + struct fused_io_sync { + struct completion replied; + char reply_data[0x40]; // Cannot include dmub_cmd here + } fused_io[8]; }; enum dsc_clock_force_state { @@ -1016,6 +1022,14 @@ extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index, struct aux_payload *payload, enum aux_return_code_type *operation_result); +bool amdgpu_dm_execute_fused_io( + struct amdgpu_device *dev, + struct dc_link *link, + union dmub_rb_cmd *commands, + uint8_t count, + uint32_t timeout_us +); + int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index, struct set_config_cmd_payload *payload, enum set_config_status *operation_result); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index a3e93b2891f0..2bd8dee1b7c2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -26,6 +26,7 @@ #include "amdgpu_dm_hdcp.h" #include "amdgpu.h" #include "amdgpu_dm.h" +#include "dc_fused_io.h" #include "dm_helpers.h" #include <drm/display/drm_hdcp_helper.h> #include "hdcp_psp.h" @@ -76,6 +77,34 @@ lp_read_dpcd(void *handle, uint32_t address, uint8_t *data, uint32_t size) return dm_helpers_dp_read_dpcd(link->ctx, link, address, data, size); } +static bool lp_atomic_write_poll_read_i2c( + void *handle, + const struct mod_hdcp_atomic_op_i2c *write, + const struct mod_hdcp_atomic_op_i2c *poll, + struct mod_hdcp_atomic_op_i2c *read, + uint32_t poll_timeout_us, + uint8_t poll_mask_msb +) +{ + struct dc_link *link = handle; + + return dm_atomic_write_poll_read_i2c(link, write, poll, read, poll_timeout_us, poll_mask_msb); +} + +static bool lp_atomic_write_poll_read_aux( + void *handle, + const struct mod_hdcp_atomic_op_aux *write, + const struct mod_hdcp_atomic_op_aux *poll, + struct mod_hdcp_atomic_op_aux *read, + uint32_t poll_timeout_us, + uint8_t poll_mask_msb +) +{ + struct dc_link *link = handle; + + return dm_atomic_write_poll_read_aux(link, write, poll, read, poll_timeout_us, poll_mask_msb); +} + static uint8_t *psp_get_srm(struct psp_context *psp, uint32_t *srm_version, uint32_t *srm_size) { struct ta_hdcp_shared_memory *hdcp_cmd; @@ -719,7 +748,10 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, INIT_DELAYED_WORK(&hdcp_work[i].watchdog_timer_dwork, event_watchdog_timer); INIT_DELAYED_WORK(&hdcp_work[i].property_validate_dwork, event_property_validate); - hdcp_work[i].hdcp.config.psp.handle = &adev->psp; + struct mod_hdcp_config *config = &hdcp_work[i].hdcp.config; + struct mod_hdcp_ddc_funcs *ddc_funcs = &config->ddc.funcs; + + config->psp.handle = &adev->psp; if (dc->ctx->dce_version == DCN_VERSION_3_1 || dc->ctx->dce_version == DCN_VERSION_3_14 || dc->ctx->dce_version == DCN_VERSION_3_15 || @@ -727,12 +759,22 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, dc->ctx->dce_version == DCN_VERSION_3_51 || dc->ctx->dce_version == DCN_VERSION_3_6 || dc->ctx->dce_version == DCN_VERSION_3_16) - hdcp_work[i].hdcp.config.psp.caps.dtm_v3_supported = 1; - hdcp_work[i].hdcp.config.ddc.handle = dc_get_link_at_index(dc, i); - hdcp_work[i].hdcp.config.ddc.funcs.write_i2c = lp_write_i2c; - hdcp_work[i].hdcp.config.ddc.funcs.read_i2c = lp_read_i2c; - hdcp_work[i].hdcp.config.ddc.funcs.write_dpcd = lp_write_dpcd; - hdcp_work[i].hdcp.config.ddc.funcs.read_dpcd = lp_read_dpcd; + config->psp.caps.dtm_v3_supported = 1; + config->ddc.handle = dc_get_link_at_index(dc, i); + + ddc_funcs->write_i2c = lp_write_i2c; + ddc_funcs->read_i2c = lp_read_i2c; + ddc_funcs->write_dpcd = lp_write_dpcd; + ddc_funcs->read_dpcd = lp_read_dpcd; + + config->debug.lc_enable_sw_fallback = dc->debug.hdcp_lc_enable_sw_fallback; + if (dc->caps.fused_io_supported || dc->debug.hdcp_lc_force_fw_enable) { + ddc_funcs->atomic_write_poll_read_i2c = lp_atomic_write_poll_read_i2c; + ddc_funcs->atomic_write_poll_read_aux = lp_atomic_write_poll_read_aux; + } else { + ddc_funcs->atomic_write_poll_read_i2c = NULL; + ddc_funcs->atomic_write_poll_read_aux = NULL; + } memset(hdcp_work[i].aconnector, 0, sizeof(struct amdgpu_dm_connector *) * diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index 2cd35392e2da..62954b351ebd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -630,6 +630,19 @@ bool dm_helpers_submit_i2c( return result; } +bool dm_helpers_execute_fused_io( + struct dc_context *ctx, + struct dc_link *link, + union dmub_rb_cmd *commands, + uint8_t count, + uint32_t timeout_us +) +{ + struct amdgpu_device *dev = ctx->driver_context; + + return amdgpu_dm_execute_fused_io(dev, link, commands, count, timeout_us); +} + static bool execute_synaptics_rc_command(struct drm_dp_aux *aux, bool is_write_cmd, unsigned char cmd, |