summaryrefslogtreecommitdiffstats
path: root/Documentation/fb/sm712fb.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/fb/sm712fb.rst')
-rw-r--r--Documentation/fb/sm712fb.rst35
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/fb/sm712fb.rst b/Documentation/fb/sm712fb.rst
new file mode 100644
index 000000000000..994dad3b0238
--- /dev/null
+++ b/Documentation/fb/sm712fb.rst
@@ -0,0 +1,35 @@
+================
+What is sm712fb?
+================
+
+This is a graphics framebuffer driver for Silicon Motion SM712 based processors.
+
+How to use it?
+==============
+
+Switching modes is done using the video=sm712fb:... boot parameter.
+
+If you want, for example, enable a resolution of 1280x1024x24bpp you should
+pass to the kernel this command line: "video=sm712fb:0x31B".
+
+You should not compile-in vesafb.
+
+Currently supported video modes are:
+
+Graphic modes
+-------------
+
+=== ======= ======= ======== =========
+bpp 640x480 800x600 1024x768 1280x1024
+=== ======= ======= ======== =========
+ 8 0x301 0x303 0x305 0x307
+ 16 0x311 0x314 0x317 0x31A
+ 24 0x312 0x315 0x318 0x31B
+=== ======= ======= ======== =========
+
+Missing Features
+================
+(alias TODO list)
+
+ * 2D acceleratrion
+ * dual-head support