Re: [PATCH v3 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-15 Thread Paul Cercueil
Hi Thomas, Le sam., mai 15 2021 at 11:03:34 +0200, Thomas Zimmermann a écrit : Hi Am 14.05.21 um 22:11 schrieb 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

Re: [PATCH v3 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-15 Thread Thomas Zimmermann
Hi Am 14.05.21 um 22:11 schrieb 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 usin

[PATCH v3 1/3] drm: Add support for GEM buffers backed by non-coherent memory

2021-05-14 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