<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[D1S&#x2F;F33 LCD驱动问题]]></title><description><![CDATA[<p dir="auto">mango开发板，跑mango官网首页固件能正常显示，但这个固件没有cma，因此打算自己从全志官网的SDK编译，但irq一直无中断，请问这是什么情况：<br />
root@TinaLinux:/# cat /sys/class/disp/disp/attr/sys<br />
screen 0:<br />
de_rate 300000000 hz, ref_fps:60<br />
mgr0: 800x480 fmt[rgb] cs[0x204] range[full] eotf[0x4] bits[8bits] err[0] force_sync[0] unblank direct_show[false] iommu[0]<br />
dmabuf: cache[0] cache max[0] umap skip[0] umap skip max[0]<br />
lcd output      backlight( 50)  fps:25.5         800x 480<br />
err:0   skip:0  irq:0   vsync:0 vsync_skip:0<br />
BUF    enable ch[1] lyr[0] z[16] prem[N] a[pixel 255] fmt[  0] fb[ 800, 480; 800, 480; 800, 480] crop[   0,   0, 800, 480] frame[   0,   0, 800,1280] addr[ffc00000,       0,       0] flags[0x       0] trd[0,0]<br />
depth[ 0] root@TinaLinux:/#</p>
<p dir="auto">这是lcd0的配置：<br />
&amp;lcd0 {<br />
compatible = "allwinner,sunxi-lcd0";<br />
status = "okay";<br />
lcd_used = &lt;1&gt;;<br />
lcd_driver_name = "default_lcd";</p>
<pre><code>lcd_backlight = &lt;50&gt;;
lcd_if = &lt;0&gt;;

lcd_x = &lt;800&gt;;
lcd_y = &lt;480&gt;;
lcd_width = &lt;150&gt;;
lcd_height = &lt;94&gt;;
lcd_dclk_freq = &lt;48&gt;;

lcd_pwm_used = &lt;0&gt;;
lcd_pwm_ch = &lt;7&gt;;
lcd_pwm_freq = &lt;500&gt;;
lcd_pwm_pol = &lt;0&gt;;
lcd_bl_en = &lt;&amp;pio PD 22 1 0 3 1&gt;; /* 设为纯 GPIO 输出高电平 */

lcd_hbp = &lt;55&gt;;
lcd_ht  = &lt;1240&gt;;
lcd_hspw = &lt;20&gt;;

lcd_vbp = &lt;35&gt;;
lcd_vt  = &lt;650&gt;;
lcd_vspw = &lt;10&gt;;

lcd_lvds_if = &lt;0&gt;;
lcd_lvds_colordepth = &lt;1&gt;;
lcd_lvds_mode = &lt;0&gt;;

lcd_frm = &lt;0&gt;;
lcd_io_phase = &lt;0&gt;;

lcd_gamma_en = &lt;0&gt;;
lcd_bright_curve_en = &lt;0&gt;;
lcd_cmap_en = &lt;0&gt;;
deu_mode = &lt;0&gt;;
lcdgamma4iep = &lt;22&gt;;
smart_color = &lt;90&gt;;

pinctrl-0 = &lt;&amp;rgb18_pins_a&gt;;
pinctrl-1 = &lt;&amp;rgb18_pins_b&gt;;
</code></pre>
<p dir="auto">};</p>
]]></description><link>https://bbs.aw-ol.com/topic/7141/d1s-f33-lcd驱动问题</link><generator>RSS for Node</generator><lastBuildDate>Wed, 23 Sep 2026 22:08:23 GMT</lastBuildDate><atom:link href="https://bbs.aw-ol.com/topic/7141.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 01 Sep 2026 11:47:07 GMT</pubDate><ttl>60</ttl></channel></rss>