只有屏幕的1/4显示，但显示的正常,怎么处理能全部屏幕显示？

TYW123123 · 发表于 2023-9-25 16:55:43

我在驱动另一款屏幕21寸，按照屏参，进行了配置，只有屏幕的1/4显示，但显示的正常,怎么处理能全部屏幕显示？
屏参：
Screen Diagonal [mm] 21.5”
Active Area [mm] 476.064 (H) x 267.786 (V)
Pixels H x V 1920(x3) x 1080

Signal Item Symbol Min Typ Max Unit
V-section
Period Tv 1094 1130 1836 Th
Active Tdisp(v) 1080 1080 1080 Th
Blanking Tbp(v)+Tfp(v)+PWvs 14 50 756 Th
H-section
Period Th 1000 1050 1678 Tclk
Active Tdisp(h) 960 960 960 Tclk
Blanking Tbp(h)+Tfp(h)+PWhs 40 90 718 Tclk
Clock
Period Tclk 11.2 14 18.6 ns
Frequency Freq. 53.7 71.2 90 MHz
Frame Rate Frame Rate 1/Tv 49 60 76 Hz

我配置的设备树:OKT507-C-Common.dtsi
lcd0: lcd0@01c0c000 {
lcd_used          = <1>;
lcd_driver_name    = "forlinx_gt911";
lcd_backlight    = <250>;  // 根据屏幕资料调整
lcd_if             = <3>;
lcd_x             = <1920>;
lcd_y             = <1080>;
lcd_width          = <476>;  // 调整为屏幕的实际宽度
   lcd_height       = <268>;  // 调整为屏幕的实际高度
lcd_dclk_freq    = <71>; // 根据屏幕资料的中值调整
lcd_pwm_used       = <0>;
lcd_pwm_ch       = <0>;
lcd_pwm_freq       = <50000>;
lcd_pwm_pol       = <1>;
lcd_pwm_max_limit = <255>;
/* hsync back porch(pixel) + hsync plus width(pixel)  */
lcd_hbp    = <130>;
/* HBP + HFP + HSPW + Horizontal Resolution */
lcd_ht    = <2100>;
/* Horizontal Sync Pluse Width */
lcd_hspw    = <20>;
/* vsync back porch(line) + vysnc plus width(line) */
lcd_vbp    = <30>;
/* VBP + VFP + VSPW + Vertical Resolution */
lcd_vt    = <1130>;
/* Vertical Sync Pluse Width  */
lcd_vspw    = <5>;
lcd_lvds_if       = <1>;
lcd_lvds_colordepth = <0>;
lcd_lvds_mode    = <0>;
lcd_frm          = <0>;
lcd_hv_clk_phase = <0>;
lcd_hv_sync_polarity= <0>;
lcd_gamma_en       = <0>;
lcd_bright_curve_en = <0>;
lcd_cmap_en       = <0>;
lcd_fsync_en       = <0>;
lcd_fsync_act_time  = <1000>;
lcd_fsync_dis_time  = <1000>;
lcd_fsync_pol    = <0>;
deu_mode          = <0>;
lcdgamma4iep       = <22>;
smart_color       = <90>;
lcd_pin_power = "bldo1";
lcd_power = "dc1sw";
lcd_bl_en       = <&pio PE 22 1 0 3 1>;
pinctrl-0 = <&lvds2link_pins_a>;
pinctrl-1 = <&lvds2link_pins_b>;
};

TYW123123 · 发表于 2023-9-25 16:58:12

我任职的公司在用飞凌T507在做产品样机，我一共遇到两个问题，随时等回复:)

shuishui · 发表于 2023-9-26 08:52:34

这个21寸的屏幕，屏幕显示的1/4是显示了全部的桌面信息还是也是1/4呢？您这个21寸的屏幕是什么类型的呢？电阻屏还是电容屏，他是hdmi还是lcd、mipi之类的呢？

TYW123123 · 发表于 2023-9-26 09:50:30

shuishui 发表于 2023-9-26 08:52
这个21寸的屏幕，屏幕显示的1/4是显示了全部的桌面信息还是也是1/4呢？您这个21寸的屏幕是什么类型的呢？电 ...

1.屏幕显示的1/4是显示了全部，21寸是

TYW123123 · 发表于 2023-9-26 09:53:20

TYW123123 发表于 2023-9-26 09:50
1.屏幕显示的1/4是显示了全部，21寸是

屏幕类型为：
Module 21.5” Color TFT-LCD
Model Name G215HAN01.3
电容屏

TYW123123 · 发表于 2023-9-26 09:54:46

shuishui 发表于 2023-9-26 08:52
这个21寸的屏幕，屏幕显示的1/4是显示了全部的桌面信息还是也是1/4呢？您这个21寸的屏幕是什么类型的呢？电 ...

2.0 General Description
This specification applies to the 21.5 inch-wide Color AHVA (IPS-like) TFT-LCD Module G215HAN01.3
The display supports the FHD [1920(H) x 1080(V)] screen format and 16.7M colors . All input signals are
LVDS inte**ce comaptible.

TYW123123 · 发表于 2023-9-26 10:05:33

shuishui 发表于 2023-9-26 08:52
这个21寸的屏幕，屏幕显示的1/4是显示了全部的桌面信息还是也是1/4呢？您这个21寸的屏幕是什么类型的呢？电 ...

2.1 Display Characteristics
The following items are characteristics summary on the table under 25oC condition:
ITEMS Unit SPECIFICATIONS
Screen Diagonal [mm] 21.5”
Active Area [mm] 476.064 (H) x 267.786 (V)
Pixels H x V 1920(x3) x 1080
Pixel Pitch [um] 247.95 (per one triad) ×247.95
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode AHVA Mode, Normally Black
White Luminance ( Center ) [cd/m2
] 250 cd/m2 (Typ.)
Contrast Ratio 1000 (Typ.)
Optical Response Time [msec] 22
Nominal Input Voltage VDD [Volt] 5 V (Typ)
Power Consumption
(VDD line + LED line) [Watt]
11.1W (Typ.)
LCD module : PDD (Typ.)= 2.3 @ White
pattern,Fv=60Hz
Backlight unit : PBLU (Typ.) =8.8W
Weight [Grams] 1740 (Typ)
Physical Size [mm] 497.6(H) x 292.2(V) x 10.5 (D)Typ
Electrical Inte**ce Dual LVDS
Support Color 16.7M colors
Su**ce Treatment Anti-Glare, 3H
RoHS Compliance RoHS Compliance

[硬件咨询] 只有屏幕的1/4显示，但显示的正常,怎么处理能全部屏幕显示？

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