Re: UDL's fbdev doesn't work for user-space apps

Hi Noralf, On Tue, 2017-12-12 at 22:58 +0100, Noralf Trønnes wrote: > Den 04.12.2017 12.32, skrev Alexey Brodkin: > > Hello, > > > > I'm trying to use DisplayLink USB2.0-to-HDMI adapter as the one and only > > video output and I want to get Xserver working on top of that. > > > > I'm not very

Re: UDL's fbdev doesn't work for user-space apps

Hi Noralf, On Tue, 2017-12-12 at 22:58 +0100, Noralf Trønnes wrote: > Den 04.12.2017 12.32, skrev Alexey Brodkin: > > Hello, > > > > I'm trying to use DisplayLink USB2.0-to-HDMI adapter as the one and only > > video output and I want to get Xserver working on top of that. > > > > I'm not very

Re: UDL's fbdev doesn't work for user-space apps

Den 04.12.2017 12.32, skrev Alexey Brodkin: Hello, I'm trying to use DisplayLink USB2.0-to-HDMI adapter as the one and only video output and I want to get Xserver working on top of that. I'm not very familiar with all the parts of Linux GPU/video stack (especially its user-space counterpart)

Re: UDL's fbdev doesn't work for user-space apps

Den 04.12.2017 12.32, skrev Alexey Brodkin: Hello, I'm trying to use DisplayLink USB2.0-to-HDMI adapter as the one and only video output and I want to get Xserver working on top of that. I'm not very familiar with all the parts of Linux GPU/video stack (especially its user-space counterpart)

Re: UDL's fbdev doesn't work for user-space apps

On Tue 2017-12-12 19:48:05, Alexey Brodkin wrote: > Hi Pavel, > > On Sat, 2017-12-09 at 18:20 +0100, Pavel Machek wrote: > > On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > > > > > > Hi Alexey, > > > > > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > > > > > My first [probably incorrect]

Re: UDL's fbdev doesn't work for user-space apps

On Tue 2017-12-12 19:48:05, Alexey Brodkin wrote: > Hi Pavel, > > On Sat, 2017-12-09 at 18:20 +0100, Pavel Machek wrote: > > On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > > > > > > Hi Alexey, > > > > > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > > > > > My first [probably incorrect]

Re: UDL's fbdev doesn't work for user-space apps

Hi Pavel, On Sat, 2017-12-09 at 18:20 +0100, Pavel Machek wrote: > On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > > > > Hi Alexey, > > > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > > > My first [probably incorrect] assumption is Xserver requires fbdev > > > (/dev/fbX) > > > and it

Re: UDL's fbdev doesn't work for user-space apps

Hi Pavel, On Sat, 2017-12-09 at 18:20 +0100, Pavel Machek wrote: > On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > > > > Hi Alexey, > > > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > > > My first [probably incorrect] assumption is Xserver requires fbdev > > > (/dev/fbX) > > > and it

Re: UDL's fbdev doesn't work for user-space apps

On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > My first [probably incorrect] assumption is Xserver requires fbdev > > (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > > Xserver can use DRI

Re: UDL's fbdev doesn't work for user-space apps

On Mon 2017-12-04 11:50:40, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > My first [probably incorrect] assumption is Xserver requires fbdev > > (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > > Xserver can use DRI

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Tue, 2017-12-05 at 12:26 +, Jose Abreu wrote: > On 05-12-2017 11:53, Alexey Brodkin wrote: > > > > > > From my note above about udl_drm_gem_mmap() being only used in case of > > Xserver > > I barely may conclude anything. Given my lack of knowledge of DRM guts > > especially >

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Tue, 2017-12-05 at 12:26 +, Jose Abreu wrote: > On 05-12-2017 11:53, Alexey Brodkin wrote: > > > > > > From my note above about udl_drm_gem_mmap() being only used in case of > > Xserver > > I barely may conclude anything. Given my lack of knowledge of DRM guts > > especially >

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 05-12-2017 11:53, Alexey Brodkin wrote: > > From my note above about udl_drm_gem_mmap() being only used in case of Xserver > I barely may conclude anything. Given my lack of knowledge of DRM guts > especially > when it comes to complicated cases with DMA buffer exports/imports I cannot > say >

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 05-12-2017 11:53, Alexey Brodkin wrote: > > From my note above about udl_drm_gem_mmap() being only used in case of Xserver > I barely may conclude anything. Given my lack of knowledge of DRM guts > especially > when it comes to complicated cases with DMA buffer exports/imports I cannot > say >

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Tue, 2017-12-05 at 10:39 +, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 17:29, Alexey Brodkin wrote: > > > > > > Indeed, in case of kmscube etnaviv is a renderer while UDL > > outputs the picture on the screen. > > Thats nice :) > > Ok, from your logs I was not able to

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Tue, 2017-12-05 at 10:39 +, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 17:29, Alexey Brodkin wrote: > > > > > > Indeed, in case of kmscube etnaviv is a renderer while UDL > > outputs the picture on the screen. > > Thats nice :) > > Ok, from your logs I was not able to

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Alexey, On 04-12-2017 17:29, Alexey Brodkin wrote: > > Indeed, in case of kmscube etnaviv is a renderer while UDL > outputs the picture on the screen. Thats nice :) Ok, from your logs I was not able to see anything wrong. X server does not error exit and Prime seems to be working in DRM ...

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Alexey, On 04-12-2017 17:29, Alexey Brodkin wrote: > > Indeed, in case of kmscube etnaviv is a renderer while UDL > outputs the picture on the screen. Thats nice :) Ok, from your logs I was not able to see anything wrong. X server does not error exit and Prime seems to be working in DRM ...

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 4 December 2017 at 14:02, Jose Abreu wrote: > On 04-12-2017 13:16, Alexey Brodkin wrote: >> Option "kmsdev" "/dev/dri/card1" > > Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and > if you don't specify the busID it will fallback for the

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 4 December 2017 at 14:02, Jose Abreu wrote: > On 04-12-2017 13:16, Alexey Brodkin wrote: >> Option "kmsdev" "/dev/dri/card1" > > Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and > if you don't specify the busID it will fallback for the first > card that matches

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 17:24 +, Jose Abreu wrote: > On 04-12-2017 16:00, Alexey Brodkin wrote: > > > > [30.763] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate > > YUV target > > > > I'm wondering if this means that target format for UDL is YUV ... > > But anyway,

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 17:24 +, Jose Abreu wrote: > On 04-12-2017 16:00, Alexey Brodkin wrote: > > > > [30.763] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate > > YUV target > > > > I'm wondering if this means that target format for UDL is YUV ... > > But anyway,

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 16:00, Alexey Brodkin wrote: > [30.763] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate YUV > target > I'm wondering if this means that target format for UDL is YUV ... But anyway, I revisited your first email and noticed that you said kmscube runs fine. Is this

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 16:00, Alexey Brodkin wrote: > [30.763] (II) armada(0): etnaviv: Xv: using YUY2 format intermediate YUV > target > I'm wondering if this means that target format for UDL is YUV ... But anyway, I revisited your first email and noticed that you said kmscube runs fine. Is this

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 15:55 +, Jose Abreu wrote: > On 04-12-2017 14:53, Alexey Brodkin wrote: > > > > Full log you may find below. > > Sorry but I meant /var/log/Xorg.0.log file. Ooops... sorry... here is it. -Alexey # cat /var/log/Xorg.0.log  [30.345]  X.Org X Server

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 15:55 +, Jose Abreu wrote: > On 04-12-2017 14:53, Alexey Brodkin wrote: > > > > Full log you may find below. > > Sorry but I meant /var/log/Xorg.0.log file. Ooops... sorry... here is it. -Alexey # cat /var/log/Xorg.0.log  [30.345]  X.Org X Server

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 14:53, Alexey Brodkin wrote: > Full log you may find below. Sorry but I meant /var/log/Xorg.0.log file.

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 14:53, Alexey Brodkin wrote: > Full log you may find below. Sorry but I meant /var/log/Xorg.0.log file.

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 14:02 +, Jose Abreu wrote: > On 04-12-2017 13:16, Alexey Brodkin wrote: > > > > Option  "kmsdev" "/dev/dri/card1" > > Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and > if you don't specify the busID it will fallback for the

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 14:02 +, Jose Abreu wrote: > On 04-12-2017 13:16, Alexey Brodkin wrote: > > > > Option  "kmsdev" "/dev/dri/card1" > > Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and > if you don't specify the busID it will fallback for the

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 13:16, Alexey Brodkin wrote: > Option "kmsdev" "/dev/dri/card1" Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and if you don't specify the busID it will fallback for the first card that matches "armada-drm" or "imx-drm" or "udl". > But if I swap

Re: xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

On 04-12-2017 13:16, Alexey Brodkin wrote: > Option "kmsdev" "/dev/dri/card1" Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and if you don't specify the busID it will fallback for the first card that matches "armada-drm" or "imx-drm" or "udl". > But if I swap

xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 11:50 +, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > My first [probably incorrect] assumption is Xserver requires fbdev > > (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > >

xf86-video-armada via UDL [was: Re: UDL's fbdev doesn't work for user-space apps]

Hi Jose, On Mon, 2017-12-04 at 11:50 +, Jose Abreu wrote: > Hi Alexey, > > On 04-12-2017 11:32, Alexey Brodkin wrote: > > > > My first [probably incorrect] assumption is Xserver requires fbdev > > (/dev/fbX) > > and it cannot use DRI video card natively. Is that correct? > > > > > >

Re: UDL's fbdev doesn't work for user-space apps

Hi Alexey, On 04-12-2017 11:32, Alexey Brodkin wrote: > My first [probably incorrect] assumption is Xserver requires fbdev (/dev/fbX) > and it cannot use DRI video card natively. Is that correct? > > Xserver can use DRI directly, you need to enable modesetting driver in Xorg config or use the

Re: UDL's fbdev doesn't work for user-space apps

Hi Alexey, On 04-12-2017 11:32, Alexey Brodkin wrote: > My first [probably incorrect] assumption is Xserver requires fbdev (/dev/fbX) > and it cannot use DRI video card natively. Is that correct? > > Xserver can use DRI directly, you need to enable modesetting driver in Xorg config or use the