On Mon, 2010-04-26 at 22:23 +0200, Jerome Glisse wrote: > Previous reset code leaded to computer hard lockup (need to unplug > the power too reboot the computer) on various configuration. This > patch change the reset code to avoid hard lockup. The GPU reset > is failing most of the time but at least user can log in remotely > or properly shutdown the computer. > > Two issues were leading to hard lockup : > - Writting to the scratch register lead to hard lockup most likely > because the write back mecanism is in fuzy state after GPU lockup. > - Resetting the GPU memory controller and not reinitializing it > after leaded to hard lockup. We did only reinitialize in case of > successfull reset thus unsuccessfull reset quickly leaded to hard > lockup. > > Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx> Unfortunately, this doesn't seem to help for the RV350 in my PowerBook. GPU lockups still turn into machine hardlocks, which is a regression from before the GPU reset rework. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
