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linux/drivers/gpu/drm/ast/ast_2000.c
Thomas Zimmermann d467bcab7b drm/ast: Gen1: Fix open-coded register access 
Replace all open-coded access to MCR registers in Gen1 with the
appropriate calls to ast_moutdwm() and ast_mindwm(). Use MCR register
constants.

For the poll loop on MCR100, add ast_moutdwm_poll(). The helper polls
the register until it has been updated to the given value. Relax the
CPU while busy-waiting.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patch.msgid.link/20260327133532.79696-11-tzimmermann@suse.de
2026-04-08 11:04:49 +02:00

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