drm/ast: Split ast_detect_tx_chip() per chip generation

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Gen4 and later models detect the TX chip from VGACRD1, while earlier
models detect from VGACRA3. Split up the detection helper into
two separate helpers. Use SZ_ constants instead of plain numbers.

Then inline the call into its only caller ast_device_create(). When
ast_device_create() gets split up per Gen, either call will remain.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250922083708.45564-4-tzimmermann@suse.de

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This commit is contained in:

Thomas Zimmermann 2025-09-22 10:36:03 +02:00

parent bcb0119134

commit 59fedf46f7

5 changed files with 119 additions and 89 deletions

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26

drivers/gpu/drm/ast/ast_2000.c

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68

drivers/gpu/drm/ast/ast_2300.c

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15

drivers/gpu/drm/ast/ast_drv.c

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5

drivers/gpu/drm/ast/ast_drv.h

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94

drivers/gpu/drm/ast/ast_main.c

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