Re: [Intel-gfx] [PATCH 1/4] drm: Add a new connector atomic property for link status

2016-12-06 Thread Manasi Navare
On Tue, Dec 06, 2016 at 08:23:05AM +0100, Daniel Vetter wrote: > On Mon, Dec 05, 2016 at 04:27:35PM -0800, Manasi Navare wrote: > > At the time userspace does setcrtc, we've already promised the mode > > would work. The promise is based on the theoretical capabilities of > > the link, but it's poss

Re: [Intel-gfx] [PATCH 1/4] drm: Add a new connector atomic property for link status

2016-12-05 Thread Daniel Vetter
On Mon, Dec 05, 2016 at 04:27:35PM -0800, Manasi Navare wrote: > At the time userspace does setcrtc, we've already promised the mode > would work. The promise is based on the theoretical capabilities of > the link, but it's possible we can't reach this in practice. The DP > spec describes how the l

[Intel-gfx] [PATCH 1/4] drm: Add a new connector atomic property for link status

2016-12-05 Thread Manasi Navare
At the time userspace does setcrtc, we've already promised the mode would work. The promise is based on the theoretical capabilities of the link, but it's possible we can't reach this in practice. The DP spec describes how the link should be reduced, but we can't reduce the link below the requireme