Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-31 Thread Daniel Vetter
On Thu, Jan 31, 2013 at 3:06 AM, Mario Kleiner wrote: > At least AMD hw as of a while ago didn't, older intel hw didn't (afaik), and > NVidia i don't know. You'd also need hw vblank timestamps and counters > independent of page-flip completion to not regress existing important > functionality if y

Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-30 Thread Mario Kleiner
On 30.01.13 13:36, Daniel Vetter wrote: On Wed, Jan 30, 2013 at 9:34 AM, Thierry Reding wrote: On Tue, Jan 22, 2013 at 10:21:40AM -0800, Jon Mayo wrote: On Mon, Jan 14, 2013 at 7:55 AM, Thierry Reding wrote: Implement support for the VBLANK IOCTL. Note that Tegra is somewhat special in this

Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-30 Thread Daniel Vetter
On Wed, Jan 30, 2013 at 9:34 AM, Thierry Reding wrote: > On Tue, Jan 22, 2013 at 10:21:40AM -0800, Jon Mayo wrote: >> On Mon, Jan 14, 2013 at 7:55 AM, Thierry Reding >> wrote: >> > Implement support for the VBLANK IOCTL. Note that Tegra is somewhat >> > special in this case because it doesn't use

Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-30 Thread Thierry Reding
On Tue, Jan 22, 2013 at 10:21:40AM -0800, Jon Mayo wrote: > On Mon, Jan 14, 2013 at 7:55 AM, Thierry Reding > wrote: > > Implement support for the VBLANK IOCTL. Note that Tegra is somewhat > > special in this case because it doesn't use the generic IRQ support > > provided by the DRM core (DRIVER_

Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-23 Thread Mark Zhang
On 01/23/2013 02:21 AM, Jon Mayo wrote: > On Mon, Jan 14, 2013 at 7:55 AM, Thierry Reding > wrote: >> Implement support for the VBLANK IOCTL. Note that Tegra is somewhat >> special in this case because it doesn't use the generic IRQ support >> provided by the DRM core (DRIVER_HAVE_IRQ) but rather

Re: [PATCH 4/5] drm/tegra: Implement VBLANK support

2013-01-22 Thread Jon Mayo
On Mon, Jan 14, 2013 at 7:55 AM, Thierry Reding wrote: > Implement support for the VBLANK IOCTL. Note that Tegra is somewhat > special in this case because it doesn't use the generic IRQ support > provided by the DRM core (DRIVER_HAVE_IRQ) but rather registers one > interrupt handler for each disp