Re: [Intel-gfx] i835GM flicker on panning

2013-09-24 Thread Daniel Vetter
On Mon, Sep 23, 2013 at 12:21:30PM +0200, Thomas Richter wrote: > Hi folks, > > >Can you please test with > > > >Option "LinearFramebuffer" "true"? > > > >Thanks, Daniel > > Tested again. Yes, indeed, LinearFramebuffer does make a difference. > Without it, panning to the right causes

Re: [Intel-gfx] i835GM flicker on panning

2013-09-24 Thread Daniel Vetter
On Mon, Sep 23, 2013 at 12:21:30PM +0200, Thomas Richter wrote: Hi folks, Can you please test with Option LinearFramebuffer true? Thanks, Daniel Tested again. Yes, indeed, LinearFramebuffer does make a difference. Without it, panning to the right causes flicker, with it,

Re: i835GM flicker on panning

2013-09-23 Thread Thomas Richter
Hi folks, Can you please test with Option "LinearFramebuffer" "true"? Thanks, Daniel Tested again. Yes, indeed, LinearFramebuffer does make a difference. Without it, panning to the right causes flicker, with it, moving the mouse to the right - panning right (thus scrolling the

Re: i835GM flicker on panning

2013-09-23 Thread Thomas Richter
Hi Daniel, hi others, On 22.09.2013 22:03, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... No, whether I use uxa or sna makes no difference, same

Re: i835GM flicker on panning

2013-09-23 Thread Daniel Vetter
On Mon, Sep 23, 2013 at 12:33:04AM +0200, Thomas Richter wrote: > On 22.09.2013 22:03, Daniel Vetter wrote: > >Hm, that sounds a bit more like the ddx is having fun with rendering. > >Have you tried switching the backed from to either SNA or UXA? Also > >adding relevant mailing lists ... > > > No,

Re: i835GM flicker on panning

2013-09-23 Thread Daniel Vetter
On Mon, Sep 23, 2013 at 12:33:04AM +0200, Thomas Richter wrote: On 22.09.2013 22:03, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... No, whether I

Re: i835GM flicker on panning

2013-09-23 Thread Thomas Richter
Hi Daniel, hi others, On 22.09.2013 22:03, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... No, whether I use uxa or sna makes no difference, same

Re: i835GM flicker on panning

2013-09-23 Thread Thomas Richter
Hi folks, Can you please test with Option LinearFramebuffer true? Thanks, Daniel Tested again. Yes, indeed, LinearFramebuffer does make a difference. Without it, panning to the right causes flicker, with it, moving the mouse to the right - panning right (thus scrolling the screen

Re: i835GM flicker on panning

2013-09-22 Thread Thomas Richter
On 22.09.2013 22:03, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... No, whether I use uxa or sna makes no difference, same problem. I don't think

Re: [Intel-gfx] i835GM flicker on panning

2013-09-22 Thread Chris Wilson
On Sun, Sep 22, 2013 at 10:03:21PM +0200, Daniel Vetter wrote: > Hm, that sounds a bit more like the ddx is having fun with rendering. > Have you tried switching the backed from to either SNA or UXA? Also > adding relevant mailing lists ... If it was just the ddx, you would observe the same

Re: i835GM flicker on panning

2013-09-22 Thread Daniel Vetter
Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... -Daniel On Sun, Sep 22, 2013 at 7:06 PM, Thomas Richter wrote: > Hi folks, hi Daniel, > > there is still an issue with

i835GM flicker on panning

2013-09-22 Thread Thomas Richter
Hi folks, hi Daniel, there is still an issue with flicker on panning with the 835GM chipset. As already explained, the flicker only appears if the panning position satisfies certain alignment constraints, in specific. As long as the plane pointer is aligned to 64 byte boundaries, everything

i835GM flicker on panning

2013-09-22 Thread Thomas Richter
Hi folks, hi Daniel, there is still an issue with flicker on panning with the 835GM chipset. As already explained, the flicker only appears if the panning position satisfies certain alignment constraints, in specific. As long as the plane pointer is aligned to 64 byte boundaries, everything

Re: i835GM flicker on panning

2013-09-22 Thread Daniel Vetter
Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... -Daniel On Sun, Sep 22, 2013 at 7:06 PM, Thomas Richter t...@math.tu-berlin.de wrote: Hi folks, hi Daniel, there is still

Re: [Intel-gfx] i835GM flicker on panning

2013-09-22 Thread Chris Wilson
On Sun, Sep 22, 2013 at 10:03:21PM +0200, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... If it was just the ddx, you would observe the same tearing

Re: i835GM flicker on panning

2013-09-22 Thread Thomas Richter
On 22.09.2013 22:03, Daniel Vetter wrote: Hm, that sounds a bit more like the ddx is having fun with rendering. Have you tried switching the backed from to either SNA or UXA? Also adding relevant mailing lists ... No, whether I use uxa or sna makes no difference, same problem. I don't think