drm/fb-helper: Separate shadow-buffer flushing and calling dirty callback

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Flushing the shadow framebuffer and invoking the dirty callback are two
separate operations, so do them separately. The flush operation is paired
with calls to vmap and vunmap. They are not needed for the dirty callback,
which performs its own invocations if necessary.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201120102545.4047-7-tzimmermann@suse.de

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Thomas Zimmermann 2020-11-20 11:25:41 +01:00

parent 2b5f31aaa8

commit fd2d856538

1 changed files with 1 additions and 3 deletions

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drivers/gpu/drm/drm_fb_helper.c

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