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Intel X.Org Update Restores 830GM/845G Acceleration

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  • Intel X.Org Update Restores 830GM/845G Acceleration

    Phoronix: Intel X.Org Update Restores 830GM/845G Acceleration

    Chris Wilson of Intel OTC put out another point release to the xf86-video-intel 2.20.x DDX driver on Saturday...

    http://www.phoronix.com/vr.php?view=MTE1Mzg

  • #2
    Curiously the old UMS drivers never hung my 830 gpu. Make of that what you will.

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    • #3
      Did the old UMS driver have EXA? If not, it didn't hang because it wasn't accelerating anything anyway.

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      • #4
        I don't remember whether that was before, after, or during the great EXA transition. But it was certainly before XAA offscreen pixmap accel was disabled, so even if it was XAA, it accelerated copies.

        It certainly did XV and 3d, though the 3d was barely good enough for simple screensavers. I remember trying OA on it for giggles, and at 640x480 low it wasn't playable.

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        • #5
          Intel vs AMD

          AMD drops support for old graphics cards.
          Intel adds support for old graphics.

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          • #6
            The GMCH on this pair of chipsets is notoriously incoherent, so the GPU is almost certainly going to hang at some point, --
            Wow, surely seems like quality hardware.

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            • #7
              Originally posted by uid313 View Post
              AMD drops support for old graphics cards.
              Intel adds support for old graphics.
              I think you got that backwards. AMD still supports cards older than these through the OSS drivers, and they don't say you should expect them to crash all the time either.

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              • #8
                Originally posted by smitty3268 View Post
                I think you got that backwards. AMD still supports cards older than these through the OSS drivers, and they don't say you should expect them to crash all the time either.
                Yeah, but on the proprietary Catalyst driver, they just dropped support for graphics card that was just some years old.

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                • #9
                  Originally posted by M1kkko View Post
                  Wow, surely seems like quality hardware.
                  Yeah, I had one of those for awhile. Wrong settings in the hardware so it would only display corruption unless patched on boot, opengl screensavers only showing on 1/3rd of the screen, even when dimmed a normal brightness square around the cursor. I don't recall crashes, but there were enough problems I was glad to give it up.

                  (This would have been 7ish years ago)

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                  • #10
                    I recycled all of my 845 systems. I bought an Nvidia card for the only customer I had that used one. It wasn't worth fighting with.

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                    • #11
                      Originally posted by uid313 View Post
                      AMD drops support for old graphics cards.
                      Intel adds support for old graphics.
                      That's very much backwards. Intel dropped all support for their whole i8xx range, and is now trying to re-support small parts of it.

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                      • #12
                        Originally posted by uid313 View Post
                        Yeah, but on the proprietary Catalyst driver, they just dropped support for graphics card that was just some years old.
                        And Intel doesn't even support their cards through a proprietary driver for 1 year, or 1 month, or 1 day. Your point being?

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                        • #13
                          Originally posted by uid313 View Post
                          Yeah, but on the proprietary Catalyst driver
                          Oranges and apples. They're supported in the open source driver.

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                          • #14
                            It doesn't appear to fix anything

                            The article doesn't specifically say if Chris Wilson actually fixed anything. From the article:

                            The GMCH on this pair of chipsets is notoriously incoherent, so the GPU is almost certainly going to hang at some point, though unlikely to hang the system and should automatically disable acceleration (and thence behave identically as if the acceleration was disabled from the start).
                            Now, this is not meant to dispariage Wilson in any way. He could be setting the stage to get some bug reports rolling in, who knows.

                            But as the article is written, nothing is receiving "support". A currently exiting feature was enabled, nothing more.

                            (BTW, I hope Wilson is prepared to issue some fixes, even though I don't have one of these chipsets. It would still be a good thing)
                            Last edited by halfmanhalfamazing; 08-05-2012, 07:31 PM.

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                            • #15
                              Originally posted by uid313 View Post
                              AMD drops support for old graphics cards.
                              Intel adds support for old graphics.
                              I have a couple of HP latptops with integrated graphics from ati.... not one of them was once supported by ati or AMD or whoever so 'drops' is not the correct word

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