drm/mgag200: Test memory requirements in drm_mode_config_funcs.mode_valid

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Test for a mode's memory requirements in the device-wide mode_valid
helper. For simplicify, always assume a 32-bit color format. While
some rejected modes would work with less colors, implementing this
is probably not worth the effort.

Also remove the memory-related test from the connector's mode_valid
helper. The test uses the bpp value that users can specify on the
kernel's command line. This value is unrelated and the test would
belong into atomic_check.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Tested-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220516134343.6085-7-tzimmermann@suse.de

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This commit is contained in:

Thomas Zimmermann 2022-05-16 15:43:42 +02:00

parent 8219f11fda

commit 69340e529a

1 changed files with 21 additions and 14 deletions

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drivers/gpu/drm/mgag200/mgag200_mode.c

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