Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-28 Thread Michel Dänzer
On 01/03/17 11:00 AM, Michael Zoran wrote: > On Wed, 2017-03-01 at 10:48 +0900, Michel Dänzer wrote: >> On 01/03/17 12:45 AM, Michael Zoran wrote: >>> On Tue, 2017-02-28 at 16:42 +0900, Michel Dänzer wrote: On 24/02/17 10:54 AM, Michael Zoran wrote: > Commonly used desktop environments suc

Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-28 Thread Michael Zoran
On Wed, 2017-03-01 at 10:48 +0900, Michel Dänzer wrote: > On 01/03/17 12:45 AM, Michael Zoran wrote: > > On Tue, 2017-02-28 at 16:42 +0900, Michel Dänzer wrote: > > > On 24/02/17 10:54 AM, Michael Zoran wrote: > > > > Commonly used desktop environments such as xfce4 and gnome > > > > on debian sid

Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-28 Thread Michel Dänzer
On 01/03/17 12:45 AM, Michael Zoran wrote: > On Tue, 2017-02-28 at 16:42 +0900, Michel Dänzer wrote: >> On 24/02/17 10:54 AM, Michael Zoran wrote: >>> Commonly used desktop environments such as xfce4 and gnome >>> on debian sid can flood the graphics drivers with cursor >>> updates. >> >> FWIW, thi

Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-28 Thread Michael Zoran
On Tue, 2017-02-28 at 16:42 +0900, Michel Dänzer wrote: > On 24/02/17 10:54 AM, Michael Zoran wrote: > > Commonly used desktop environments such as xfce4 and gnome > > on debian sid can flood the graphics drivers with cursor > > updates. > > FWIW, this has nothing to do with the desktop environmen

Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-28 Thread Eric Anholt
Michael Zoran writes: > Commonly used desktop environments such as xfce4 and gnome > on debian sid can flood the graphics drivers with cursor > updates. Because the current implementation is waiting > for a vblank between cursor updates, this will cause the > display to hang for a long time sinc

Re: [PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-27 Thread Michel Dänzer
On 24/02/17 10:54 AM, Michael Zoran wrote: > Commonly used desktop environments such as xfce4 and gnome > on debian sid can flood the graphics drivers with cursor > updates. FWIW, this has nothing to do with the desktop environment or indeed the client side at all. Translating input to HW cursor m

[PATCH] drm: vc4: Don't wait for vblank when updating the cursor

2017-02-24 Thread Michael Zoran
Commonly used desktop environments such as xfce4 and gnome on debian sid can flood the graphics drivers with cursor updates. Because the current implementation is waiting for a vblank between cursor updates, this will cause the display to hang for a long time since a typical refresh rate is only 6