\mdss_fb.c (mdss 核心层 fbx平台设备驱动) // 调用 fbmem.c的 register_framebuffer注册 fbx msm8909-mdss.dtsi(文件名通常为msm8909...-mdss.dtsi指定了mdss的mdp和dsi) mdss_mdp: qcom,mdss_mdp@fd900000 { compatible = "qcom,mdss_mdp3";...// 对应mdss驱动 mdss_mdp. mdss_dsi0: qcom,mdss_dsi@fdd00000 { compatible = "qcom,msm-dsi-v2";...= "qcom,msm-dsi-v2"}, {} }; 或者 drivers\video\msm\mdss\mdss_dsi.c drivers\video\msm\mdss\mdp3.c (mdp...>; pinctrl-names = "mdss_default", "mdss_sleep"; pinctrl-0 = ; pinctrl
(灭屏后再次开启已经启用了resume了); 读源码吧: 找到我们kernel源码中的qcom,mdss-spi-on-command节点,在解析设备树用到的,最后我们定位在mdss_spi_panel_on...函数中初始化: int mdss_spi_panel_on(struct mdss_panel_data *pdata) { struct spi_panel_data *ctrl = NULL...ctrl_pdata->on = mdss_spi_panel_on; ctrl_pdata->off = mdss_spi_panel_off; ctrl_pdata->panel_data.set_backlight...= mdss_spi_panel_bl_ctrl; return 0; } 而这个回调函数是在什么时候作用到的呢?...在mdss_spi_panel_unblank函数中: static int mdss_spi_panel_unblank(struct mdss_panel_data *pdata) { int
= mdss_dsi_panel_power; panel.pre_init_func = mdss_dsi_panel_pre_init; panel.bl_func...; panel.power_func = mdss_edp_panel_power; panel.bl_func = mdss_edp_bl_enable;...Only panel * selection is supposed to happen before that. */ pinfo->pipe_type = MDSS_MDP_PIPE_TYPE_RGB...\n"); ret = ERR_NOT_SUPPORTED; goto error_gcdb_display_init; } 我们增加了mdss_spi_panel_power、mdss_spi_bl_enable...函数如下所示: static int mdss_spi_panel_power(uint8_t enable, struct msm_panel_info *pinfo) { int ret =
gcdb_display_cmdline_arg(panel_name, pbuf, buf_size) aboot_init()函数里面: #define DISPLAY_DEFAULT_PREFIX "mdss_mdp...()--> set_command_line()--> 这是将command_line保存下来: /** * mdss_dsi_find_panel_of_node(): find device node...pan) { strlcpy(panel_name, stream, MDSS_MAX_PANEL_LEN); } else { for...= of_parse_phandle(pdev->dev.of_node, "qcom,mdss-mdp", 0); if (!...mdss_node) { pr_err("%s: %d: mdss_node null\n", __func__, __LINE__);
Next, mdss_fb0 wakes on CPU 0. mdss_fb0 is the display pipeline's kernel thread for outputting a rendered...We can see mdss_fb0 as its own row in the trace (scroll down to view)....Figure 9. mdss_fb0 wakes on CPU 0. mdss_fb0 wakes up, runs for a bit, enters uninterruptible sleep, then...TouchLatency running on Pixel XL (most options enabled, including mdss and kgsl tracepoints)....Figure 13. mdss_fb0_retirefences.
在msm_display_init()里先Turn on panel,再Turn on backlight; panel.power_func = mdss_dsi_panel_power;...//turn on panel panel.bl_func = mdss_dsi_bl_enable; //turn on backlight 函数指向相应的函数中去; 2....调用mdss_dsi_panel_clock() 调用calculate_clock_config(pinfo)计算时钟配置和调用target_panel_clock(enable, pinfo)配置目标...MIPI DSI接口MIPI_DSI0和MIPI_DSI1就调用两次mdss_dsi_phy_init(),msm8909只有MIPI_DSI0,MSM8994等有两个DSI接口。...mdss_dsi_phy_init(&mipi_pinfo,MIPI_DSI1_BASE, DSI1_PHY_BASE); 7.2 ret = mdss_dsi_host_init(mipi, mipi
); 在mdss_dsi.c文件中,具体在哪里调用到背光函数呢?...根据打印log,可以知道背光控制函数mdss_dsi_panel_bl_ctrl; mdss_dsi_panel_bl_ctrl这个函数是在mdss_dsi_panel.c文件中; 调用顺序如下: mdss_dsi_ctrl_probe...-- > mdss_dsi_config_panel -- > mdss_dsi_panel_init -- > ctrl_pdata->panel_data.set_backlight = mdss_dsi_panel_bl_ctrl...; 根据mdss_dsi_panel_bl_ctrl函数: static void mdss_dsi_panel_bl_ctrl(struct mdss_panel_data *pdata,...mdss_dsi_panel_bklt_dcs(sctrl, bl_level); mdss_dsi_panel_bklt_dcs(ctrl_pdata, bl_level);
安装依赖、⑦下载或者git clone、⑧配置ansible、⑨测试ansible2、修改配置文件:①main.yaml修改;②进入ceph-ansible文件在group_vars增加all.yml、mdss.yml...releases服务器列表系统版本 IP地址服务器角色 CentOS Linux release 7.9.2009 (Core) 10.45.152.25部署节点、mons、mgrs、osds、rgws、mdss...、clients、monitoring、grafanaCentOS Linux release 7.9.2009 (Core) 10.45.152.27mons、mgrs、osds、rgws、mdss、...clients、monitoring、grafanaCentOS Linux release 7.9.2009 (Core)10.45.152.28mons、mgrs、osds、rgws、mdss、clients...文件末尾增加)vim /etc/ansible/hosts#最后新增[mons]server[1:3][mgrs]server[1:3][osds]server[1:3][rgws]server[1:3][mdss
For example, if the mdss_fb0thread was scheduled on CPU 0, there was a much greater likelihood to jank...because of an interrupt that is triggered by the display almost immediately before scanout. mdss_fb0...be in the middle of its own work with a very tight deadline, and then it would lose some time to the MDSS...Initially, we attempted to fix this by setting the CPU affinity of the mdss_fb0 thread to CPUs 1-3 to...With msm_irqbalance enabled, jank was noticeably improved even when both mdss_fb0 and the MDSS interrupt
cat >> /etc/ansible/hosts <<EOF [mons] node1 node2 node3 [osds] node1 node2 node3 [mgrs] node1 [mdss...all.yml配置 --- dummy: mon_group_name: mons osd_group_name: osds rgw_group_name: rgws mds_group_name: mdss
androidboot.boottime=1BLL:220,1BLE:575,2BLL:866,2BLE:445,SW:1029,KL:0,KD:79,ODT:147,AVB:348 androidboot.baseband=msm mdss_mdp.panel...=1:dsi:0:htc,mdss_dsi_samsung_s6e3fa5_1080p_cmd:1:none:cfg:single_dsi androidboot.fpsensor=fpc1075 androidboot.fpmodule
图三 主控部分和I2C上拉,电平转换等都没有贴出来,以下是简单的总结一下LT8911和主控的接口描述 LT8911的mipi输入端和SDM450的主屏(mdss_dsi0...} static int init_panel_data(struct panel_struct *panelstruct, struct msm_panel_info *pinfo, struct mdss_dsi_phy_ctrl...oem_panel_select(const char *panel_name, struct panel_struct *panelstruct, struct msm_panel_info *pinfo, struct mdss_dsi_phy_ctrl.../dsi-panel-pt156fnm-n10-1080p-video.dtsi 2、增加这款屏幕支持 kernel/msm-4.9/arch/arm64/boot/dts/qcom/msm8953-mdss-panels.dtsi
dev_attr_setotgid, //setotgid跟DEVICE_ATTR定义的name必须保持一致 NULL }; 4、在probe()函数中定义针对具体GPIO管脚的请求和初始化 static int mdss_mdp_probe................................................................... } 5、在remove()函数中添加资源的释放 static int mdss_mdp_remove...(struct platform_device *pdev) { struct mdss_data_type *mdata = platform_get_drvdata(pdev); if (!
MDSs: Ceph Metadata Server (MDS, ceph-mdsceph元数据服务器) 存储能代表 Ceph File System 的元数据(如:Ceph块设备和Ceph对象存储不使用
= "gcc_blsp2_qup4_i2c_apps_clk", .ops = &clk_ops_branch, }, }; static struct clk_freq_tbl ftbl_mdss_esc1...cfg_reg = (uint32_t *) DSI_ESC1_CFG_RCGR, .set_rate = clock_lib2_rcg_set_rate_hid, .freq_tbl = ftbl_mdss_esc1...= { .dbg_name = "dsi_esc1_clk_src", .ops = &clk_ops_rcg, }, }; static struct branch_clk mdss_esc1...DSI_ESC1_CBCR, .parent = &dsi_esc1_clk_src.c, .has_sibling = 0, .c = { .dbg_name = "mdss_esc1
r0nbvk7hppjftegk4fpt9cu535; _uab_collina=150094753858198811653567; mdswv=v1.0; mdsa=MD-STICS-5976a44746eca; mdss
node02.ceph.local node03.ceph.local [rgws] node01.ceph.local node02.ceph.local node03.ceph.local [mdss
评估的一个重要方面是能够使用ceph-mgr的新编排CLI模块在运行的集群中快速添加/删除OSDs、RGWs和MDSs。
主机名 服务器角色 磁盘 192.168.31.10kmaster部署节点、mons、mgrs、osds、rgws、mdss...、clientssda/sdb192.168.31.11knode01mons、mgrs、osds、rgws、mdss、clients sda/sdb192.168.31.12knode02mons...、mgrs、osds、rgws、mdss、clients sda/sdb操作系统版本:Rocky Linux release 8.3[root@kmaster prometheus]#
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