diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 243 |
1 files changed, 174 insertions, 69 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index c7a592d68feb..0e48824f55e3 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -50,6 +50,13 @@ struct dmub_debugfs_trace_entry { uint32_t param1; }; +static const char *const mst_progress_status[] = { + "probe", + "remote_edid", + "allocate_new_payload", + "clear_allocated_payload", +}; + /* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array * * Function takes in attributes passed to debugfs write entry @@ -540,11 +547,11 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, /* apply phy settings from user */ for (r = 0; r < link_lane_settings.link_settings.lane_count; r++) { - link_lane_settings.lane_settings[r].VOLTAGE_SWING = + link_lane_settings.hw_lane_settings[r].VOLTAGE_SWING = (enum dc_voltage_swing) (param[0]); - link_lane_settings.lane_settings[r].PRE_EMPHASIS = + link_lane_settings.hw_lane_settings[r].PRE_EMPHASIS = (enum dc_pre_emphasis) (param[1]); - link_lane_settings.lane_settings[r].POST_CURSOR2 = + link_lane_settings.hw_lane_settings[r].POST_CURSOR2 = (enum dc_post_cursor2) (param[2]); } @@ -738,7 +745,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us } for (i = 0; i < (unsigned int)(link_training_settings.link_settings.lane_count); i++) - link_training_settings.lane_settings[i] = link->cur_lane_setting[i]; + link_training_settings.hw_lane_settings[i] = link->cur_lane_setting[i]; dc_link_set_test_pattern( link, @@ -871,28 +878,18 @@ static int psr_capability_show(struct seq_file *m, void *data) } /* - * Returns the current and maximum output bpc for the connector. - * Example usage: cat /sys/kernel/debug/dri/0/DP-1/output_bpc + * Returns the current bpc for the crtc. + * Example usage: cat /sys/kernel/debug/dri/0/crtc-0/amdgpu_current_bpc */ -static int output_bpc_show(struct seq_file *m, void *data) +static int amdgpu_current_bpc_show(struct seq_file *m, void *data) { - struct drm_connector *connector = m->private; - struct drm_device *dev = connector->dev; - struct drm_crtc *crtc = NULL; + struct drm_crtc *crtc = m->private; + struct drm_device *dev = crtc->dev; struct dm_crtc_state *dm_crtc_state = NULL; int res = -ENODEV; unsigned int bpc; mutex_lock(&dev->mode_config.mutex); - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - - if (connector->state == NULL) - goto unlock; - - crtc = connector->state->crtc; - if (crtc == NULL) - goto unlock; - drm_modeset_lock(&crtc->mutex, NULL); if (crtc->state == NULL) goto unlock; @@ -922,18 +919,15 @@ static int output_bpc_show(struct seq_file *m, void *data) } seq_printf(m, "Current: %u\n", bpc); - seq_printf(m, "Maximum: %u\n", connector->display_info.bpc); res = 0; unlock: - if (crtc) - drm_modeset_unlock(&crtc->mutex); - - drm_modeset_unlock(&dev->mode_config.connection_mutex); + drm_modeset_unlock(&crtc->mutex); mutex_unlock(&dev->mode_config.mutex); return res; } +DEFINE_SHOW_ATTRIBUTE(amdgpu_current_bpc); /* * Example usage: @@ -1239,12 +1233,14 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, struct drm_connector *connector = &aconnector->base; struct dc_link *link = NULL; struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = drm_to_adev(dev); enum dc_connection_type new_connection_type = dc_connection_none; char *wr_buf = NULL; uint32_t wr_buf_size = 42; int max_param_num = 1; long param[1] = {0}; uint8_t param_nums = 0; + bool ret = false; if (!aconnector || !aconnector->dc_link) return -EINVAL; @@ -1267,20 +1263,32 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, return -EINVAL; } + kfree(wr_buf); + if (param_nums <= 0) { DRM_DEBUG_DRIVER("user data not be read\n"); - kfree(wr_buf); + return -EINVAL; + } + + mutex_lock(&aconnector->hpd_lock); + + /* Don't support for mst end device*/ + if (aconnector->mst_port) { + mutex_unlock(&aconnector->hpd_lock); return -EINVAL; } if (param[0] == 1) { - mutex_lock(&aconnector->hpd_lock); if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type) && new_connection_type != dc_connection_none) goto unlock; - if (!dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) + mutex_lock(&adev->dm.dc_lock); + ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); + mutex_unlock(&adev->dm.dc_lock); + + if (!ret) goto unlock; amdgpu_dm_update_connector_after_detect(aconnector); @@ -1307,6 +1315,10 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, amdgpu_dm_update_connector_after_detect(aconnector); + /* If the aconnector is the root node in mst topology */ + if (aconnector->mst_mgr.mst_state == true) + reset_cur_dp_mst_topology(link); + drm_modeset_lock_all(dev); dm_restore_drm_connector_state(dev, connector); drm_modeset_unlock_all(dev); @@ -1317,7 +1329,6 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, unlock: mutex_unlock(&aconnector->hpd_lock); - kfree(wr_buf); return size; } @@ -1358,9 +1369,9 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -1464,9 +1475,9 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx || !pipe_ctx->stream) @@ -1549,9 +1560,9 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -1653,9 +1664,9 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx || !pipe_ctx->stream) @@ -1738,9 +1749,9 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -1842,9 +1853,9 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx || !pipe_ctx->stream) @@ -1923,9 +1934,9 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -2024,9 +2035,9 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx || !pipe_ctx->stream) @@ -2103,9 +2114,9 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -2164,9 +2175,9 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -2240,9 +2251,9 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -2316,9 +2327,9 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; - if (pipe_ctx && pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) - break; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; } if (!pipe_ctx) { @@ -2536,16 +2547,103 @@ static int target_backlight_show(struct seq_file *m, void *unused) return 0; } +/* + * function description: Determine if the connector is mst connector + * + * This function helps to determine whether a connector is a mst connector. + * - "root" stands for the root connector of the topology + * - "branch" stands for branch device of the topology + * - "end" stands for leaf node connector of the topology + * - "no" stands for the connector is not a device of a mst topology + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/is_mst_connector + * + */ +static int dp_is_mst_connector_show(struct seq_file *m, void *unused) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct drm_dp_mst_topology_mgr *mgr = NULL; + struct drm_dp_mst_port *port = NULL; + char *role = NULL; + + mutex_lock(&aconnector->hpd_lock); + + if (aconnector->mst_mgr.mst_state) { + role = "root"; + } else if (aconnector->mst_port && + aconnector->mst_port->mst_mgr.mst_state) { + + role = "end"; + + mgr = &aconnector->mst_port->mst_mgr; + port = aconnector->port; + + drm_modeset_lock(&mgr->base.lock, NULL); + if (port->pdt == DP_PEER_DEVICE_MST_BRANCHING && + port->mcs) + role = "branch"; + drm_modeset_unlock(&mgr->base.lock); + + } else { + role = "no"; + } + + seq_printf(m, "%s\n", role); + + mutex_unlock(&aconnector->hpd_lock); + + return 0; +} + +/* + * function description: Read out the mst progress status + * + * This function helps to determine the mst progress status of + * a mst connector. + * + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/mst_progress_status + * + */ +static int dp_mst_progress_status_show(struct seq_file *m, void *unused) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct amdgpu_device *adev = drm_to_adev(connector->dev); + int i; + + mutex_lock(&aconnector->hpd_lock); + mutex_lock(&adev->dm.dc_lock); + + if (aconnector->mst_status == MST_STATUS_DEFAULT) { + seq_puts(m, "disabled\n"); + } else { + for (i = 0; i < sizeof(mst_progress_status)/sizeof(char *); i++) + seq_printf(m, "%s:%s\n", + mst_progress_status[i], + aconnector->mst_status & BIT(i) ? "done" : "not_done"); + } + + mutex_unlock(&adev->dm.dc_lock); + mutex_unlock(&aconnector->hpd_lock); + + return 0; +} + DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); -DEFINE_SHOW_ATTRIBUTE(output_bpc); DEFINE_SHOW_ATTRIBUTE(dp_lttpr_status); #ifdef CONFIG_DRM_AMD_DC_HDCP DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); #endif DEFINE_SHOW_ATTRIBUTE(internal_display); DEFINE_SHOW_ATTRIBUTE(psr_capability); +DEFINE_SHOW_ATTRIBUTE(dp_is_mst_connector); +DEFINE_SHOW_ATTRIBUTE(dp_mst_progress_status); static const struct file_operations dp_dsc_clock_en_debugfs_fops = { .owner = THIS_MODULE, @@ -2689,6 +2787,8 @@ static const struct { {"dp_dsc_fec_support", &dp_dsc_fec_support_fops}, {"max_bpc", &dp_max_bpc_debugfs_fops}, {"dsc_disable_passthrough", &dp_dsc_disable_passthrough_debugfs_fops}, + {"is_mst_connector", &dp_is_mst_connector_fops}, + {"mst_progress_status", &dp_mst_progress_status_fops} }; #ifdef CONFIG_DRM_AMD_DC_HDCP @@ -2786,7 +2886,6 @@ static const struct { const struct file_operations *fops; } connector_debugfs_entries[] = { {"force_yuv420_output", &force_yuv420_output_fops}, - {"output_bpc", &output_bpc_fops}, {"trigger_hotplug", &trigger_hotplug_debugfs_fops}, {"internal_display", &internal_display_fops} }; @@ -3170,9 +3269,10 @@ static int crc_win_update_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(crc_win_update_fops, crc_win_update_get, crc_win_update_set, "%llu\n"); - +#endif void crtc_debugfs_init(struct drm_crtc *crtc) { +#ifdef CONFIG_DRM_AMD_SECURE_DISPLAY struct dentry *dir = debugfs_lookup("crc", crtc->debugfs_entry); if (!dir) @@ -3188,9 +3288,11 @@ void crtc_debugfs_init(struct drm_crtc *crtc) &crc_win_y_end_fops); debugfs_create_file_unsafe("crc_win_update", 0644, dir, crtc, &crc_win_update_fops); - -} #endif + debugfs_create_file("amdgpu_current_bpc", 0644, crtc->debugfs_entry, + crtc, &amdgpu_current_bpc_fops); +} + /* * Writes DTN log state to the user supplied buffer. * Example usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log @@ -3302,7 +3404,10 @@ static int trigger_hpd_mst_set(void *data, u64 val) aconnector = to_amdgpu_dm_connector(connector); if (aconnector->dc_link->type == dc_connection_mst_branch && aconnector->mst_mgr.aux) { + mutex_lock(&adev->dm.dc_lock); dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); + mutex_unlock(&adev->dm.dc_lock); + drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true); } } |