Hi Am 27.06.19 um 17:16 schrieb Gerd Hoffmann: > Hi, > >> 1) Introduce a default_placement field in struct drm_gem_vram_helper >> where this flag can be configured. I'd favor this option. > >> 2) Introduce a separate callback function for pinning to vram. The >> driver would have to set the correct function pointers. > >> 3) Pin the fb console buffer manually from within the bochs driver. > > Hmm. Before calling drm_fbdev_generic_setup() the bo doesn't exist yet > and when the function returns it is already vmapped and pinned I think. > > So (3) isn't easily doable. (1) looks best to me. For my patches, it's OK to have to BO pinned to VRAM by default. As the BO will be unmapped most of the time, I can change this flag at any time. Best regards Thomas > cheers, > Gerd > -- Thomas Zimmermann Graphics Driver Developer SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany GF: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 21284 (AG Nürnberg)
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