On Thu, Oct 13, 2011 at 5:54 AM, Huang, FrankR <FrankR.Huang@xxxxxxx> wrote: > Hi, > I have a question on S3 suspend/resume process for evergreen > chipset. > Generally introduction, I am developing WEC7 graphics driver on > evergreen chipset. Alex guide me on this. And right now I move to S3 > part work. I have ported radeon_suspend_kms() and radeon_resume_kms() > functions from linux to CE. Actually I have validated that the > evergreen_suspend() and evergreen_resume() work already on CE. But when > the resume work is done and the screen is shown up, I found the 3D > engine works wrong. The HW acceleration of it is not correct anymore. > Misrendering is happening. By tracing the root cause, I suspect that the > problem may be in evergreen_gpu_init()( in evergreen_startup) call when > resume(), but I am not sure. Can you guys tell me which part I should > debug? > By the way, the linux kernel source I used is from 2010.10. So > quite a lot patches have been committed into community during this > period. Right now, the kernel source I used is around date > 2011.7(Version 3.0.0). Is there any patches update for S3 during this > period? > Does soft resetting the GPU during resume help (evergreen_gpu_soft_reset()) ? If so, try updating your version of evergreen_cp_resume() to the latest upstream bits. Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
