lkml.org 
[lkml]   [2016]   [Feb]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 3/7] video: fbdev: pmag-aa-fb: Report video timings
The board uses hardwired timings compatible with 72Hz DEC VR319-DA and 
VRM17-AA monitors, according to the board owner's manual[1]. These
timings are accordingly taken from the VR319 manual[2].

References:

[1] "The Monochrome Frame Buffer TURBOchannel Module", Digital Equipment
Corporation, Order Number: EK-MFBOM-TC-001, December 1991

[2] "Installing and Using the VR319 Monochrome Monitor", Digital
Equipment Corporation, Order Number: EK-VR319-IN-001, First Edition,
January 1990, Table 6-1 "Video Timing--1280 x 1024 Resolution"

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
---
linux-pmag-aa-timing.patch
Index: linux-20160211-4maxp64/drivers/video/fbdev/pmag-aa-fb.c
===================================================================
--- linux-20160211-4maxp64.orig/drivers/video/fbdev/pmag-aa-fb.c
+++ linux-20160211-4maxp64/drivers/video/fbdev/pmag-aa-fb.c
@@ -79,6 +79,13 @@ static struct fb_var_screeninfo aafb_def
.blue.length = 0,
.activate = FB_ACTIVATE_NOW,
.accel_flags = FB_ACCEL_NONE,
+ .pixclock = 7645,
+ .left_margin = 224,
+ .right_margin = 32,
+ .upper_margin = 33,
+ .lower_margin = 3,
+ .hsync_len = 160,
+ .vsync_len = 3,
.sync = FB_SYNC_ON_GREEN,
.vmode = FB_VMODE_NONINTERLACED,
};
\
 
 \ /
  Last update: 2016-02-22 03:21    [W:0.067 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site