Discussion:
Rotate screen & touchscreen (LCD7 cap)
Mickae1
2013-04-29 16:29:42 UTC
Permalink
Hi,

I'm trying to rotate the screen by 90° of my beaglebone.

I don't want to edit the xorg.conf because later i will disable gnome.


So, I tried to rotate the screen with that :

echo 1 > /sys/class/graphics/fb0/rotate

but it didn't work :( .

Can someone explain to me why ? What I've to do to enable rotation of the
screen and the touchscreen also.


Thx you very much.
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David Goodenough
2013-04-29 16:43:52 UTC
Permalink
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable gnome.
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable rotation of the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?

David
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Micka
2013-04-30 07:50:13 UTC
Permalink
Well,

Thx for the advise. But i can't find the output name for the LCD 7 CAP. The
command xrandr give:

screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*

Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.

Why ? Because I need to put the screen vertically, that why I need to have
a resolution 480*800.


I have an another question, it is about the xorg.conf :


Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection

Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection

Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection

Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection

Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection


I can't figure out, where is the device touch screen and the device lcd ?
Can someone explain to us what is each section ? Thx !


The Beaglebone is amazing!

Mickae1,






On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable gnome.
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable rotation of the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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David Goodenough
2013-04-30 08:55:05 UTC
Permalink
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD 7 CAP. The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I need to have
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the device lcd ?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it finds things
out all by itself. You only need to specify the things that you want to
override or it can not find by probing.

David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable gnome.
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable rotation of the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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Micka
2013-04-30 09:48:54 UTC
Permalink
Thx for the advice, I found :

[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16

the log show that it use the default device, which don't help me.

Also, I was able to rotate the screen with the xorg.conf with :

Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection


but the screen is not anymore calibrate .....


Do you have some idea ?


Thx,


On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD 7 CAP.
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I need to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the device lcd ?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it finds things
out all by itself. You only need to specify the things that you want to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable rotation of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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David Goodenough
2013-04-30 10:58:57 UTC
Permalink
You do not need the display name if there is only one:-

xrandr -o left

will rotate the screen through 90 degrees to the left.

David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD 7 CAP.
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I need to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the device lcd ?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it finds things
out all by itself. You only need to specify the things that you want to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable rotation of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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Micka
2013-04-30 12:32:04 UTC
Permalink
Well, I got :

X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14


I don't understand what it means :(

On Tue, Apr 30, 2013 at 12:58 PM, David Goodenough <
Post by David Goodenough
**
You do not need the display name if there is only one:-
xrandr -o left
will rotate the screen through 90 degrees to the left.
David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD 7
CAP.
Post by Micka
Post by David Goodenough
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I need to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the device
lcd
Post by Micka
Post by David Goodenough
Post by Micka
?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it finds
things
out all by itself. You only need to specify the things that you want to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable
rotation
Post by Micka
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Mickae1
of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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David Goodenough
2013-04-30 12:47:15 UTC
Permalink
Post by Micka
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I don't understand what it means :(
It may be that the device driver does not support RANDR (not all do).
In which case there is probably no way to do it.

David
Post by Micka
On Tue, Apr 30, 2013 at 12:58 PM, David Goodenough <
Post by David Goodenough
**
You do not need the display name if there is only one:-
xrandr -o left
will rotate the screen through 90 degrees to the left.
David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD 7
CAP.
Post by Micka
Post by David Goodenough
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I need to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the device
lcd
Post by Micka
Post by David Goodenough
Post by Micka
?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it finds
things
out all by itself. You only need to specify the things that you want to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will disable
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable
rotation
Post by Micka
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Mickae1
of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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Micka
2013-04-30 12:59:54 UTC
Permalink
So, the only way to do it, would be by ( which work ) :

Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection


But how to rotate also the calibration ? Do I have to use ts_calibrate ?
How can i apply the file generated by ts_calibrate to gnome ?

Thx,

On Tue, Apr 30, 2013 at 2:47 PM, David Goodenough <
Post by David Goodenough
**
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I don't understand what it means :(
It may be that the device driver does not support RANDR (not all do).
In which case there is probably no way to do it.
David
On Tue, Apr 30, 2013 at 12:58 PM, David Goodenough <
Post by David Goodenough
**
You do not need the display name if there is only one:-
xrandr -o left
will rotate the screen through 90 degrees to the left.
David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no
multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in
Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD
7
Post by David Goodenough
CAP.
Post by Micka
Post by David Goodenough
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate
the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I
need
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Micka
to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the
device
Post by David Goodenough
lcd
Post by Micka
Post by David Goodenough
Post by Micka
?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it
finds
things
out all by itself. You only need to specify the things that you
want
Post by David Goodenough
Post by Micka
Post by David Goodenough
to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will
disable
Post by David Goodenough
Post by Micka
Post by David Goodenough
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable
rotation
Post by Micka
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Mickae1
of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
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David Goodenough
2013-04-30 13:16:30 UTC
Permalink
Post by Micka
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
But how to rotate also the calibration ? Do I have to use ts_calibrate ?
How can i apply the file generated by ts_calibrate to gnome ?
Sorry, I have no idea, never having used that option.

David
Post by Micka
Thx,
On Tue, Apr 30, 2013 at 2:47 PM, David Goodenough <
Post by David Goodenough
**
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I don't understand what it means :(
It may be that the device driver does not support RANDR (not all do).
In which case there is probably no way to do it.
David
On Tue, Apr 30, 2013 at 12:58 PM, David Goodenough <
Post by David Goodenough
**
You do not need the display name if there is only one:-
xrandr -o left
will rotate the screen through 90 degrees to the left.
David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no
multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in
Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD
7
Post by David Goodenough
CAP.
Post by Micka
Post by David Goodenough
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate
the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I
need
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Micka
to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
EndSection
I can't figure out, where is the device touch screen and the
device
Post by David Goodenough
lcd
Post by Micka
Post by David Goodenough
Post by Micka
?
Can someone explain to us what is each section ? Thx !
These days most people tun without any xorg.conf file because it
finds
things
out all by itself. You only need to specify the things that you
want
Post by David Goodenough
Post by Micka
Post by David Goodenough
to
override or it can not find by probing.
David
Post by Micka
The Beaglebone is amazing!
Mickae1,
On Mon, Apr 29, 2013 at 6:43 PM, David Goodenough <
Post by David Goodenough
**
Post by Mickae1
Hi,
I'm trying to rotate the screen by 90° of my beaglebone.
I don't want to edit the xorg.conf because later i will
disable
Post by David Goodenough
Post by Micka
Post by David Goodenough
gnome.
Post by Micka
Post by David Goodenough
Post by Mickae1
echo 1 > /sys/class/graphics/fb0/rotate
but it didn't work :( .
Can someone explain to me why ? What I've to do to enable
rotation
Post by Micka
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Mickae1
of
the
screen and the touchscreen also.
Thx you very much
Have you tried xrandr?
David
--
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Post by Micka
Post by David Goodenough
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j***@public.gmane.org
2014-04-23 10:57:01 UTC
Permalink
Hi Sir ,

I was able to rotate the display by the below method display now
works fine in portrait mode .
But i having a new issue in System settings--> Display settings.
It shows "Could not get screen information RANDR extension is not
present".
If you have any inputs on this issue please let me know.


Regards ,
Jimmy
Post by Micka
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
But how to rotate also the calibration ? Do I have to use ts_calibrate ?
How can i apply the file generated by ts_calibrate to gnome ?
Thx,
On Tue, Apr 30, 2013 at 2:47 PM, David Goodenough <
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I don't understand what it means :(
It may be that the device driver does not support RANDR (not all do).
In which case there is probably no way to do it.
David
On Tue, Apr 30, 2013 at 12:58 PM, David Goodenough <
Post by David Goodenough
**
You do not need the display name if there is only one:-
xrandr -o left
will rotate the screen through 90 degrees to the left.
David
Post by Micka
[684947.656] (II) FBDEV(0): *using* *default device*
[684947.656] (WW) VGA arbiter: cannot open kernel arbiter, no
multi-card
support
[684947.656] (II) FBDEV(0): Creating default Display subsection in
Screen
section
"Builtin Default fbdev Screen 0" for depth/fbbpp 16/16
[684947.656] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16
the log show that it use the default device, which don't help me.
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
Option "Rotate" "CW"
EndSection
but the screen is not anymore calibrate .....
Do you have some idea ?
Thx,
On Tue, Apr 30, 2013 at 10:55 AM, David Goodenough <
Post by David Goodenough
**
Post by Micka
Well,
Thx for the advise. But i can't find the output name for the LCD
7
Post by David Goodenough
CAP.
Post by Micka
Post by David Goodenough
The
Look in the X log, it will give you the relevant display name
Post by Micka
screen 0: minimum 800x480, current 800x480 maximum 800x480
default connected 800x480+0+0 0mm x 0 mm
800x480 62.*
Also will it be possible with this tools ( looks like ) to rotate
the
screen by 90° so that the resolution will be : 480*800.
Yes,, provided the driver supports RANDR.
Post by Micka
Why ? Because I need to put the screen vertically, that why I
need
Post by David Goodenough
Post by Micka
Post by David Goodenough
Post by Micka
to
have
Post by Micka
a resolution 480*800.
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
$
Screen "Builtin Default fbdev Screen 0"
...
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