Re: [Intel-gfx] [PATCH 01/23] drm/i915/dp: Fix dsc bpp calculations, v2.

2019-09-22 Thread Sasha Levin
Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: d9218c8f6cf4 drm/i915/dp: Add helpers for Compressed BPP and Slice Count for DSC. The bot has tested the following trees: v5.2.16. v5.2.16: Failed to apply! Possible

Re: [Intel-gfx] [PATCH 01/23] drm/i915/dp: Fix dsc bpp calculations, v2.

2019-09-20 Thread Ville Syrjälä
On Fri, Sep 20, 2019 at 01:42:13PM +0200, Maarten Lankhorst wrote: > There was a integer wraparound when mode_clock became too high, > and we didn't correct for the FEC overhead factor when dividing, > with the calculations breaking at HBR3. > > As a result our calculated bpp was way too high,

[Intel-gfx] [PATCH 01/23] drm/i915/dp: Fix dsc bpp calculations, v2.

2019-09-20 Thread Maarten Lankhorst
There was a integer wraparound when mode_clock became too high, and we didn't correct for the FEC overhead factor when dividing, with the calculations breaking at HBR3. As a result our calculated bpp was way too high, and the link width limitation never came into effect. Print out the resulting