Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 07:10:00PM +0100, Mario Kleiner wrote: > On Wed, Feb 13, 2019 at 5:03 PM Daniel Vetter wrote: > > > > On Wed, Feb 13, 2019 at 4:46 PM Kazlauskas, Nicholas > > wrote: > > > > > > On 2/13/19 10:14 AM, Daniel Vetter wrote: > > > > On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas,

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On 2/13/19 1:10 PM, Mario Kleiner wrote: > On Wed, Feb 13, 2019 at 5:03 PM Daniel Vetter wrote: >> >> On Wed, Feb 13, 2019 at 4:46 PM Kazlauskas, Nicholas >> wrote: >>> >>> On 2/13/19 10:14 AM, Daniel Vetter wrote: On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas, Nicholas wrote: >

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 5:03 PM Daniel Vetter wrote: > > On Wed, Feb 13, 2019 at 4:46 PM Kazlauskas, Nicholas > wrote: > > > > On 2/13/19 10:14 AM, Daniel Vetter wrote: > > > On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas, Nicholas > > > wrote: > > >> > > >> On 2/13/19 4:50 AM, Daniel Vetter wrote:

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 4:46 PM Kazlauskas, Nicholas wrote: > > On 2/13/19 10:14 AM, Daniel Vetter wrote: > > On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas, Nicholas > > wrote: > >> > >> On 2/13/19 4:50 AM, Daniel Vetter wrote: > >>> On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: >

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On 2/13/19 10:14 AM, Daniel Vetter wrote: > On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas, Nicholas > wrote: >> >> On 2/13/19 4:50 AM, Daniel Vetter wrote: >>> On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: > > On

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 3:33 PM Kazlauskas, Nicholas wrote: > > On 2/13/19 4:50 AM, Daniel Vetter wrote: > > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > >> On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: > >>> > >>> On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas >

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On 2/13/19 4:50 AM, Daniel Vetter wrote: > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: >> On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: >>> >>> On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas >>> wrote: On 2/11/19 3:35 AM, Daniel Vetter wrote: > On

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 12:05 PM Mario Kleiner wrote: > > On Wed, Feb 13, 2019 at 10:56 AM Chris Wilson > wrote: > > > > Quoting Daniel Vetter (2019-02-13 09:50:55) > > > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > > > > I think all kms drivers try to call

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 10:50 AM Daniel Vetter wrote: > > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > > On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: > > > > > > On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas > > > wrote: > > > > > > > > On 2/11/19 3:35 AM,

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Wed, Feb 13, 2019 at 10:56 AM Chris Wilson wrote: > > Quoting Daniel Vetter (2019-02-13 09:50:55) > > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > > > I think all kms drivers try to call drm_crtc_handle_vblank() at start > > > of vblank to give Mesa the most time for

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

Quoting Daniel Vetter (2019-02-13 09:50:55) > On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > > I think all kms drivers try to call drm_crtc_handle_vblank() at start > > of vblank to give Mesa the most time for frontbuffer rendering for > > classic X. But vblank events are also

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Tue, Feb 12, 2019 at 10:32:31PM +0100, Mario Kleiner wrote: > On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: > > > > On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas > > wrote: > > > > > > On 2/11/19 3:35 AM, Daniel Vetter wrote: > > > > On Mon, Feb 11, 2019 at 04:22:24AM +0100,

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Mon, Feb 11, 2019 at 6:04 PM Daniel Vetter wrote: > > On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas > wrote: > > > > On 2/11/19 3:35 AM, Daniel Vetter wrote: > > > On Mon, Feb 11, 2019 at 04:22:24AM +0100, Mario Kleiner wrote: > > >> The pageflip completion timestamps transmitted to

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Mon, Feb 11, 2019 at 4:01 PM Kazlauskas, Nicholas wrote: > > On 2/11/19 3:35 AM, Daniel Vetter wrote: > > On Mon, Feb 11, 2019 at 04:22:24AM +0100, Mario Kleiner wrote: > >> The pageflip completion timestamps transmitted to userspace > >> via pageflip completion events are supposed to describe

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On 2/11/19 3:35 AM, Daniel Vetter wrote: > On Mon, Feb 11, 2019 at 04:22:24AM +0100, Mario Kleiner wrote: >> The pageflip completion timestamps transmitted to userspace >> via pageflip completion events are supposed to describe the >> time at which the first pixel of the new post-pageflip scanout

Re: [PATCH 2/3] drm: Add basic helper to allow precise pageflip timestamps in vrr.

On Mon, Feb 11, 2019 at 04:22:24AM +0100, Mario Kleiner wrote: > The pageflip completion timestamps transmitted to userspace > via pageflip completion events are supposed to describe the > time at which the first pixel of the new post-pageflip scanout > buffer leaves the video output of the gpu.