drm/fb-helper: reject any changes to the fbdev

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The current fbdev emulation does not allow to push back changes in
width, height or depth to KMS, hence reject any changes with an
error. This makes sure that fbdev ioctl's fail properly and user
space does not assume that changes succeeded.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161011231504.17688-1-stefan@agner.ch

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Stefan Agner 2016-10-11 16:15:04 -07:00 • committed by Daniel Vetter

parent a28187ccab

commit 865afb1194

1 changed files with 8 additions and 5 deletions

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13

drivers/gpu/drm/drm_fb_helper.c

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