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 | 78 |
1 files changed, 71 insertions, 7 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 7db38ad3f848..830cf8da06b4 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 @@ -606,7 +606,7 @@ static int dp_lttpr_status_show(struct seq_file *m, void *unused) break; } - seq_puts(m, "\n"); + seq_putc(m, '\n'); return 0; } @@ -1081,7 +1081,7 @@ static int psr_capability_show(struct seq_file *m, void *data) seq_printf(m, "Driver support: %s", str_yes_no(link->psr_settings.psr_feature_enabled)); if (link->psr_settings.psr_version) seq_printf(m, " [0x%02x]", link->psr_settings.psr_version); - seq_puts(m, "\n"); + seq_putc(m, '\n'); return 0; } @@ -1266,7 +1266,7 @@ static int hdcp_sink_capability_show(struct seq_file *m, void *data) if (!hdcp_cap && !hdcp2_cap) seq_printf(m, "%s ", "None"); - seq_puts(m, "\n"); + seq_putc(m, '\n'); return 0; } @@ -2710,11 +2710,10 @@ static int ips_status_show(struct seq_file *m, void *unused) rcg_count = ips_fw->rcg_exit_count; ips1_count = ips_fw->ips1_exit_count; ips2_count = ips_fw->ips2_exit_count; - seq_printf(m, "exit counts: rcg=%u ips1=%u ips2=%u", + seq_printf(m, "exit counts: rcg=%u ips1=%u ips2=%u\n", rcg_count, ips1_count, ips2_count); - seq_puts(m, "\n"); } return 0; } @@ -2971,7 +2970,7 @@ static ssize_t hdmi_cec_state_write(struct file *f, const char __user *buf, ret = amdgpu_dm_initialize_hdmi_connector(aconnector); if (ret) return ret; - hdmi_cec_set_edid(aconnector); + amdgpu_dm_hdmi_cec_set_edid(aconnector); } else { if (!aconnector->notifier) return -EINVAL; @@ -2982,6 +2981,64 @@ static ssize_t hdmi_cec_state_write(struct file *f, const char __user *buf, return size; } +/** + * hdmi_automation_enable - Enable/Disable HDMI automation feature + * @f: file structure. + * @buf: userspace buffer. set to '1' to enable; '0' to disable automation feature. + * @size: size of buffer from userpsace. + * @pos: unused. + * + * Return size on success, error code on failure + */ +static ssize_t hdmi_automation_enable(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + char *wr_buf = NULL; + const uint32_t wr_buf_size = 40; + int max_param_num = 1; + uint8_t param_nums = 0; + long param[2]; + bool hdmi_comp_auto; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + if (!wr_buf) + return -ENOSPC; + + if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return -EINVAL; + } + + switch (param[0]) { + case 0: + hdmi_comp_auto = false; + break; + case 1: + default: + hdmi_comp_auto = true; + break; + } + + /* Persist setting across sink re-detection/hotplug. */ + aconnector->hdmi_comp_auto = hdmi_comp_auto; + + kfree(wr_buf); + return size; +} + DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); @@ -3099,6 +3156,12 @@ static const struct file_operations dp_mst_link_settings_debugfs_fops = { .llseek = default_llseek }; +static const struct file_operations hdmi_automation_debugfs_fops = { + .owner = THIS_MODULE, + .write = hdmi_automation_enable, + .llseek = default_llseek +}; + static const struct { char *name; const struct file_operations *fops; @@ -3131,7 +3194,8 @@ static const struct { const struct file_operations *fops; } hdmi_debugfs_entries[] = { {"hdcp_sink_capability", &hdcp_sink_capability_fops}, - {"hdmi_cec_state", &hdmi_cec_state_fops} + {"hdmi_cec_state", &hdmi_cec_state_fops}, + {"hdmi_automation", &hdmi_automation_debugfs_fops} }; /* |