drm/ast: Use TX-chip register constants

Replace magic values with named constants when reading the TX chip
from VGACRD1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916082920.56234-3-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2024-09-16 10:25:14 +02:00
commit f93d66635f
3 changed files with 13 additions and 11 deletions