drm/bochs: Validate display modes against available video memory

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For each mode, test the required memory against the available video
memory. Filters out modes that do not fit into display memory.

Also remove the old test against the 4 MiB limit. It is now obsolete
and did not necessarily produce correct results.

v2:
- fix __udivdi3 linker error (kernel test robot)
- fix vdisplay and hdisplay usage

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902105546.792625-10-tzimmermann@suse.de

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This commit is contained in:

Thomas Zimmermann 2024-09-02 12:53:47 +02:00

parent c3ac343c14

commit 4dc9bb66eb

1 changed files with 20 additions and 7 deletions

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27

drivers/gpu/drm/tiny/bochs.c

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