Re: [PATCH v5 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-27 Thread Paul Cercueil
Hi Tomi, Le jeu., mai 27 2021 at 13:40:07 +0300, Tomi Valkeinen a écrit : On 23/05/2021 20:04, Paul Cercueil wrote: Having GEM buffers backed by non-coherent memory is interesting in the particular case where it is faster to render to a non-coherent buffer then sync the data cache, than to r

Re: [PATCH v5 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-27 Thread Tomi Valkeinen
On 23/05/2021 20:04, Paul Cercueil wrote: Having GEM buffers backed by non-coherent memory is interesting in the particular case where it is faster to render to a non-coherent buffer then sync the data cache, than to render to a write-combine buffer, and (by extension) much faster than using a sh

[PATCH v5 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-23 Thread Paul Cercueil
Having GEM buffers backed by non-coherent memory is interesting in the particular case where it is faster to render to a non-coherent buffer then sync the data cache, than to render to a write-combine buffer, and (by extension) much faster than using a shadow buffer. This is true for instance on so