[PATCH 2/3] drm/dp/mst: Calculate total link bandwidth instead of hardcoding it

2016-11-29 Thread Ville Syrjälä
On Thu, Nov 17, 2016 at 06:03:47PM -0800, Dhinakaran Pandiyan wrote: > The total or the nominal link bandwidth, which we save in terms of PBN, is > a factor of link rate and lane count. But, currently we hardcode it to > 2560 PBN. This results in incorrect computation of total slots. > > E.g, 2 la

[Intel-gfx] [PATCH 2/3] drm/dp/mst: Calculate total link bandwidth instead of hardcoding it

2016-11-29 Thread Pandiyan, Dhinakaran
On Tue, 2016-11-29 at 22:58 +0200, Ville Syrjälä wrote: > On Thu, Nov 17, 2016 at 06:03:47PM -0800, Dhinakaran Pandiyan wrote: > > The total or the nominal link bandwidth, which we save in terms of PBN, is > > a factor of link rate and lane count. But, currently we hardcode it to > > 2560 PBN. Th

[Intel-gfx] [PATCH 2/3] drm/dp/mst: Calculate total link bandwidth instead of hardcoding it

2016-11-19 Thread Pandiyan, Dhinakaran
This patch along with https://patchwork.freedesktop.org/series/15305/ will fix https://bugs.freedesktop.org/show_bug.cgi?id=98141. I'd like this to be reviewed independently since the other two patches in this series require rework for atomic support. -DK On Thu, 2016-11-17 at 18:03 -0800, Dhinak

[PATCH 2/3] drm/dp/mst: Calculate total link bandwidth instead of hardcoding it

2016-11-17 Thread Dhinakaran Pandiyan
The total or the nominal link bandwidth, which we save in terms of PBN, is a factor of link rate and lane count. But, currently we hardcode it to 2560 PBN. This results in incorrect computation of total slots. E.g, 2 lane HBR2 configuration and 4k at 60Hz, 24bpp mode nominal link bw = 1080 MBps