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 | 136 |
1 files changed, 112 insertions, 24 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 6a97bb2d9160..049046c60462 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 @@ -25,6 +25,7 @@ #include <linux/string_helpers.h> #include <linux/uaccess.h> +#include <media/cec-notifier.h> #include "dc.h" #include "amdgpu.h" @@ -258,7 +259,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, struct dc_link *link = connector->dc_link; struct amdgpu_device *adev = drm_to_adev(connector->base.dev); struct dc *dc = (struct dc *)link->dc; - struct dc_link_settings prefer_link_settings; + struct dc_link_settings prefer_link_settings = {0}; char *wr_buf = NULL; const uint32_t wr_buf_size = 40; /* 0: lane_count; 1: link_rate */ @@ -389,7 +390,7 @@ static ssize_t dp_mst_link_setting(struct file *f, const char __user *buf, struct dc_link *link = aconnector->dc_link; struct amdgpu_device *adev = drm_to_adev(aconnector->base.dev); struct dc *dc = (struct dc *)link->dc; - struct dc_link_settings prefer_link_settings; + struct dc_link_settings prefer_link_settings = {0}; char *wr_buf = NULL; const uint32_t wr_buf_size = 40; /* 0: lane_count; 1: link_rate */ @@ -613,7 +614,7 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, uint32_t wr_buf_size = 40; long param[3]; bool use_prefer_link_setting; - struct link_training_settings link_lane_settings; + struct link_training_settings link_lane_settings = {0}; int max_param_num = 3; uint8_t param_nums = 0; int r = 0; @@ -768,7 +769,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED}; struct dc_link_settings cur_link_settings = {LANE_COUNT_UNKNOWN, LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED}; - struct link_training_settings link_training_settings; + struct link_training_settings link_training_settings = {0}; int i; if (size == 0) @@ -902,9 +903,10 @@ static int dmub_tracebuffer_show(struct seq_file *m, void *data) { struct amdgpu_device *adev = m->private; struct dmub_srv_fb_info *fb_info = adev->dm.dmub_fb_info; + struct dmub_fw_meta_info *fw_meta_info = NULL; struct dmub_debugfs_trace_entry *entries; uint8_t *tbuf_base; - uint32_t tbuf_size, max_entries, num_entries, i; + uint32_t tbuf_size, max_entries, num_entries, first_entry, i; if (!fb_info) return 0; @@ -913,20 +915,42 @@ static int dmub_tracebuffer_show(struct seq_file *m, void *data) if (!tbuf_base) return 0; - tbuf_size = fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].size; + if (adev->dm.dmub_srv) + fw_meta_info = &adev->dm.dmub_srv->meta_info; + + tbuf_size = fw_meta_info ? fw_meta_info->trace_buffer_size : + DMUB_TRACE_BUFFER_SIZE; max_entries = (tbuf_size - sizeof(struct dmub_debugfs_trace_header)) / sizeof(struct dmub_debugfs_trace_entry); num_entries = ((struct dmub_debugfs_trace_header *)tbuf_base)->entry_count; + /* DMCUB tracebuffer is a ring. If it rolled over, print a hint that + * entries are being overwritten. + */ + if (num_entries > max_entries) + seq_printf(m, "...\n"); + + first_entry = num_entries % max_entries; num_entries = min(num_entries, max_entries); entries = (struct dmub_debugfs_trace_entry *)(tbuf_base + sizeof(struct dmub_debugfs_trace_header)); - for (i = 0; i < num_entries; ++i) { + /* To print entries chronologically, start from the first entry till the + * top of buffer, then from base of buffer to first entry. + */ + for (i = first_entry; i < num_entries; ++i) { + struct dmub_debugfs_trace_entry *entry = &entries[i]; + + seq_printf(m, + "trace_code=%u tick_count=%u param0=%u param1=%u\n", + entry->trace_code, entry->tick_count, entry->param0, + entry->param1); + } + for (i = 0; i < first_entry; ++i) { struct dmub_debugfs_trace_entry *entry = &entries[i]; seq_printf(m, @@ -2825,6 +2849,67 @@ static int is_dpia_link_show(struct seq_file *m, void *data) return 0; } +/** + * hdmi_cec_state_show - Read out the HDMI-CEC feature status + * @m: sequence file. + * @data: unused. + * + * Return 0 on success + */ +static int hdmi_cec_state_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + + seq_printf(m, "%s:%d\n", connector->name, connector->base.id); + seq_printf(m, "HDMI-CEC status: %d\n", aconnector->notifier ? 1 : 0); + + return 0; +} + +/** + * hdmi_cec_state_write - Enable/Disable HDMI-CEC feature from driver side + * @f: file structure. + * @buf: userspace buffer. set to '1' to enable; '0' to disable cec feature. + * @size: size of buffer from userpsace. + * @pos: unused. + * + * Return size on success, error code on failure + */ +static ssize_t hdmi_cec_state_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + int ret; + bool enable; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct drm_device *ddev = aconnector->base.dev; + + if (size == 0) + return -EINVAL; + + ret = kstrtobool_from_user(buf, size, &enable); + if (ret) { + drm_dbg_driver(ddev, "invalid user data !\n"); + return ret; + } + + if (enable) { + if (aconnector->notifier) + return -EINVAL; + ret = amdgpu_dm_initialize_hdmi_connector(aconnector); + if (ret) + return ret; + hdmi_cec_set_edid(aconnector); + } else { + if (!aconnector->notifier) + return -EINVAL; + cec_notifier_conn_unregister(aconnector->notifier); + aconnector->notifier = NULL; + } + + return size; +} + DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); @@ -2837,6 +2922,7 @@ DEFINE_SHOW_ATTRIBUTE(psr_capability); DEFINE_SHOW_ATTRIBUTE(dp_is_mst_connector); DEFINE_SHOW_ATTRIBUTE(dp_mst_progress_status); DEFINE_SHOW_ATTRIBUTE(is_dpia_link); +DEFINE_SHOW_STORE_ATTRIBUTE(hdmi_cec_state); static const struct file_operations dp_dsc_clock_en_debugfs_fops = { .owner = THIS_MODULE, @@ -2972,7 +3058,8 @@ static const struct { char *name; const struct file_operations *fops; } hdmi_debugfs_entries[] = { - {"hdcp_sink_capability", &hdcp_sink_capability_fops} + {"hdcp_sink_capability", &hdcp_sink_capability_fops}, + {"hdmi_cec_state", &hdmi_cec_state_fops} }; /* @@ -3457,8 +3544,8 @@ static int crc_win_x_start_set(void *data, u64 val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - acrtc->dm_irq_params.window_param.x_start = (uint16_t) val; - acrtc->dm_irq_params.window_param.update_win = false; + acrtc->dm_irq_params.window_param[0].x_start = (uint16_t) val; + acrtc->dm_irq_params.window_param[0].update_win = false; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3474,7 +3561,7 @@ static int crc_win_x_start_get(void *data, u64 *val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - *val = acrtc->dm_irq_params.window_param.x_start; + *val = acrtc->dm_irq_params.window_param[0].x_start; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3494,8 +3581,8 @@ static int crc_win_y_start_set(void *data, u64 val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - acrtc->dm_irq_params.window_param.y_start = (uint16_t) val; - acrtc->dm_irq_params.window_param.update_win = false; + acrtc->dm_irq_params.window_param[0].y_start = (uint16_t) val; + acrtc->dm_irq_params.window_param[0].update_win = false; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3511,7 +3598,7 @@ static int crc_win_y_start_get(void *data, u64 *val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - *val = acrtc->dm_irq_params.window_param.y_start; + *val = acrtc->dm_irq_params.window_param[0].y_start; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3530,8 +3617,8 @@ static int crc_win_x_end_set(void *data, u64 val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - acrtc->dm_irq_params.window_param.x_end = (uint16_t) val; - acrtc->dm_irq_params.window_param.update_win = false; + acrtc->dm_irq_params.window_param[0].x_end = (uint16_t) val; + acrtc->dm_irq_params.window_param[0].update_win = false; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3547,7 +3634,7 @@ static int crc_win_x_end_get(void *data, u64 *val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - *val = acrtc->dm_irq_params.window_param.x_end; + *val = acrtc->dm_irq_params.window_param[0].x_end; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3566,8 +3653,8 @@ static int crc_win_y_end_set(void *data, u64 val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - acrtc->dm_irq_params.window_param.y_end = (uint16_t) val; - acrtc->dm_irq_params.window_param.update_win = false; + acrtc->dm_irq_params.window_param[0].y_end = (uint16_t) val; + acrtc->dm_irq_params.window_param[0].update_win = false; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3583,7 +3670,7 @@ static int crc_win_y_end_get(void *data, u64 *val) struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); spin_lock_irq(&drm_dev->event_lock); - *val = acrtc->dm_irq_params.window_param.y_end; + *val = acrtc->dm_irq_params.window_param[0].y_end; spin_unlock_irq(&drm_dev->event_lock); return 0; @@ -3606,13 +3693,14 @@ static int crc_win_update_set(void *data, u64 val) /* PSR may write to OTG CRC window control register, * so close it before starting secure_display. */ - amdgpu_dm_psr_disable(acrtc->dm_irq_params.stream); + amdgpu_dm_psr_disable(acrtc->dm_irq_params.stream, true); spin_lock_irq(&adev_to_drm(adev)->event_lock); - acrtc->dm_irq_params.window_param.activated = true; - acrtc->dm_irq_params.window_param.update_win = true; - acrtc->dm_irq_params.window_param.skip_frame_cnt = 0; + acrtc->dm_irq_params.window_param[0].enable = true; + acrtc->dm_irq_params.window_param[0].update_win = true; + acrtc->dm_irq_params.window_param[0].skip_frame_cnt = 0; + acrtc->dm_irq_params.crc_window_activated = true; spin_unlock_irq(&adev_to_drm(adev)->event_lock); mutex_unlock(&adev->dm.dc_lock); |