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AMD Radeon HD 6800 Series Graphics Cards On Linux?

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  • #16
    Ahh, so you want the same content on two displays of different resolutions, right ?

    In the proprietary drivers I think we call that "Overlay Theater Mode" (for historical reasons... we don't use overlay these days ).

    I'm not sure if the open source drivers are able to do that yet... but if they are I expect it would take some fancy xrandr-fu.

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    • #17
      method isnt important, just want to make it work ^^

      its embarrassing when girlfriend comes to me, and theres problem with playing movie on TV ^^

      mainly i use fglrx, its only way i can play starcraft 1 smoth [need to change from GDi to OPENGL] oss drivers are still laggy with starcraft 1 :<

      theres no overlay in catalist control settings, only xinerama, witch doesnt work on clone mode

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      • #18
        If GF comes over change res of both monitors...

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        • #19
          Originally posted by NomadDemon View Post
          i have question to bridgman or someone from Xorg devs

          its difficult to make 2 differend resolutions for monitor + TV?

          monitor native is 1280x1024
          TV native [the one only available] is 1024x768 [old CRT TV via svideo cable]

          to have TV + monitor at same time need to change to TV native or lower

          its possible to change resolution per display on driver level?
          its possible to implement?
          does this help you perhaps ? from irc
          "Oct 23 16:24:13 <agd5f> pif: xrandr --output <output> --set underscan off
          Oct 23 16:24:33 <Ivanovic> my tv is 1920x1080, my desktop is 1920x1200, so i want the content of my main screen duplicated on the tv and centered
          Oct 23 16:24:38 <Ivanovic> this is the command i use:
          Oct 23 16:24:41 <Ivanovic> xrandr --output DVI-1 --mode 1920x1080 --refresh 60.0 --pos 0x60 --set "underscan" "off"
          Oct 23 16:24:45 <pif> meaning the driver underscans by default?
          Oct 23 16:24:54 <Ivanovic> yes
          Oct 23 16:25:06 <Ivanovic> when using hdmi, it does underscan as default, just as fglrx does
          Oct 23 16:25:06 <agd5f> Ivanovic: I thought it went in in late 2.6.35, but they all run together after a while
          Oct 23 16:25:09 <pif> since 2.6.36?
          Oct 23 16:25:26 <agd5f> pif: yes if the monitor reports as being hdmi
          Oct 23 16:25:34 <pif> ahhh, ok
          "

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          • #20
            Originally posted by popper View Post
            does this help you perhaps ? from irc
            "Oct 23 16:24:13 <agd5f> pif: xrandr --output <output> --set underscan off
            Oct 23 16:24:33 <Ivanovic> my tv is 1920x1080, my desktop is 1920x1200, so i want the content of my main screen duplicated on the tv and centered
            Oct 23 16:24:38 <Ivanovic> this is the command i use:
            Oct 23 16:24:41 <Ivanovic> xrandr --output DVI-1 --mode 1920x1080 --refresh 60.0 --pos 0x60 --set "underscan" "off"
            Oct 23 16:24:45 <pif> meaning the driver underscans by default?
            Oct 23 16:24:54 <Ivanovic> yes
            Oct 23 16:25:06 <Ivanovic> when using hdmi, it does underscan as default, just as fglrx does
            Oct 23 16:25:06 <agd5f> Ivanovic: I thought it went in in late 2.6.35, but they all run together after a while
            Oct 23 16:25:09 <pif> since 2.6.36?
            Oct 23 16:25:26 <agd5f> pif: yes if the monitor reports as being hdmi
            Oct 23 16:25:34 <pif> ahhh, ok
            "
            I think, he meant display scalling from 1280x1024 to 1024x768 on S-Video.
            I'm interrested the same thing but 1280x1024 to 800x600 as open source radeon/r300g driver supports only 800x600 on S-video but I think it might be a lot of work to do this.

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            • #21
              i reed aticonfig help stuff, the mode from CCC is MIRROR, and i cant change it by CLI for clone, for different resolutions and same content, but drivers doesnt work, need reinstall system.. i have realy mess with drivers... nothing works...

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              • #22
                Originally posted by bridgman View Post
                Quick answer is that I am not sure. At minimum it should have the helpful changes that came with UVD 2, but AFAIK it does not substantially change the risk picture.



                We'll know more in another week or two. I was expecting the first Fusion parts to launch a bit earlier and the first Northern Island parts to launch a bit later, so I guess you could say we are in better shape for Ontario and worse shape for Barts than we would be in a perfect world. Initial feedback is that there are some non-trivial changes in the display portion, so stay tuned.
                Sad, but i'm having high hopes for a special AMD surprise for the coming months:
                - More OpenGL gallium support (up till OpenGL 3.1?)
                - 6xxx support

                Why? Since that has been "said" on these forums a few months ago.
                I don't know if it was said by AMD devs or just people hoping for it, but somehow it doesn't seem as far fetched since AMD is also quitting classic mesa and putting more effort in gallium.

                I just patiently wait a few months (till the 67xx and 69xx cards are released).

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                • #23
                  I'm not a developer either but I really really doubt OpenGL 3.0 let alone 3.1 happens in the next few months. I mean, currently they're sorting out legal issues on whether parts of it even can be implemented.
                  6xxx support probably starts rolling forward next week given Alex commented he's getting a card of that series then.

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                  • #24
                    I know the Intel devs wanted to get GLSL 1.3 support done by the end of the year. That's different from full GL3 support, though, and I'd be shocked if AMD was working on implementing more GL support in Mesa given that they still have to catch up on basic hardware driver support.

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                    • #25
                      Originally posted by smitty3268 View Post
                      I know the Intel devs wanted to get GLSL 1.3 support done by the end of the year. That's different from full GL3 support, though, and I'd be shocked if AMD was working on implementing more GL support in Mesa given that they still have to catch up on basic hardware driver support.
                      i think openCL shoult have the bigger priority than openGL3/4

                      thats because most apps and games have ogl2.1 support and openCL is a much bigger plus

                      raytracing engine over opencl and bulledphysic engine over openCL and video encoding acceleration over openCL and on openCL you can buy cheaper cpu and save money because of opencl use...

                      Comment


                      • #26
                        Originally posted by NomadDemon View Post
                        its difficult to make 2 differend resolutions for monitor + TV?

                        monitor native is 1280x1024
                        TV native [the one only available] is 1024x768 [old CRT TV via svideo cable]

                        to have TV + monitor at same time need to change to TV native or lower
                        Originally posted by bridgman View Post
                        Ahh, so you want the same content on two displays of different resolutions, right ?
                        ...
                        I'm not sure if the open source drivers are able to do that yet... but if they are I expect it would take some fancy xrandr-fu.
                        This is theoretically possible with xrandr, but I have never tested that exact setup (I don't have a TV). As it requires xrandr 1.3 you'll need at least xserver 1.6 and xf86-video-ati 6.13.0, but I recommend using a later version if it is available in the distribution of your choice.

                        1. First figure out the output names and native modes of your displays. The easiest way to do this is to connect the displays and run xrandr with no arguments and look through the output. If you are running an old kernel or are using UMS you might have to reboot your computer after connecting the displays before running xrandr.

                        For the purpose of this guide I'm assuming the primary display is named "DVI-0" and has a native mode of 1280x1024, and the tv display is named "DIN" and has a native mode of 1024x768.

                        2. Turn of the tv display using xrandr:
                        Code:
                        xrandr --output DIN --off
                        Use the name of your tv display as output.
                        Strictly speaking this should not be necessary, but I have found that turning of any secondary displays first avoids a lot of problems later...

                        3. Configure the primary display using xrandr:
                        Code:
                        xrandr --output DVI-0 --mode 1280x1024 --pos 0x0 --primary
                        Use the name of your primary display as output, and the native mode of your primary display as mode.
                        Your primary display is most likely already correctly configured, but reconfiguring it anyway doesn't hurt.

                        4. Configure the tv display using xrandr:
                        Code:
                        xrandr --fb 1280x1024 --output DIN --mode 1024x768 --scale 1.25x1.333 --same-as DVI-0
                        Use the native mode of your primary display as fb, the name of your tv display as output, the native mode of your tv display as mode, and the name of your primary display as same-as. Scale is calculated by dividing the x and y values of your primary display mode with the corresponding value of your tv display mode.

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                        • #27
                          xrandr: cannot find crtc for output TV

                          xrandr 1.2

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                          • #28
                            ok, changed DVi connector on my graphic card to other, and it works, but some programs have problems like firefox, they MAXIMIZE to 1024x768 not to 1280x1024

                            need to move them around for a while and maximize again to get full size
                            http://img139.imageshack.us/img139/9...utekranu1e.png
                            green line is 1024/768

                            and this is maximized size, but it works good after running around with window and max again

                            thanks for this commands ^^

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                            • #29
                              no.. it doesnt work... any fullscreen application is crazy now,

                              starcraft [with wine] turn off my LCD and only use TV[only example, native programs do same]

                              its not what i wanted :<

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                              • #30
                                Is Starcraft doing a mode set ? If so, that will probably over-write all the stuff you carefully set up.

                                Check and see if there is a game option or Wine option to prevent the game from changing modes on you.

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