drm/mgag200: Implement struct drm_crtc_funcs.get_vblank_timestamp

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Implement struct drm_crtc_funcs.get_vblank_timestamp with the DRM
helper drm_crtc_vblank_helper_get_vblank_timestamp() with its helper
get_scanout_position. Read the scanout position from the MGAREG_VCOUNT
register.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718104551.575912-8-tzimmermann@suse.de

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Thomas Zimmermann 2024-07-18 12:44:17 +02:00

parent 89c6ea2006

commit d5070c9b29

2 changed files with 33 additions and 2 deletions

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10

drivers/gpu/drm/mgag200/mgag200_drv.h

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25

drivers/gpu/drm/mgag200/mgag200_mode.c

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