drm: Add simple PRIME helpers for GEM VRAM

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These basic helper functions for GEM VRAM allow for pinning and mapping
GEM VRAM objects via the PRIME interfaces. It's not a full implementation,
but complete enough for generic fbcon.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190508082630.15116-6-tzimmermann@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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Thomas Zimmermann 2019-05-08 10:26:15 +02:00 • committed by Gerd Hoffmann

parent fed1eec080

commit 1f460b4978

2 changed files with 118 additions and 0 deletions

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98

drivers/gpu/drm/drm_gem_vram_helper.c

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20

include/drm/drm_gem_vram_helper.h

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