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drm/fbdev-generic: Implement dedicated fbdev I/O helpers

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Implement dedicated fbdev helpers for framebuffer I/O instead
of using DRM's helpers. Use an fbdev generator macro for
deferred I/O to create the callbacks. Fbdev-generic was the
only caller of the DRM helpers, so remove them from the helper
module.

v4:
	* generate deferred-I/O helpers
	* use initializer macros for fb_ops
v2:
	* use FB_SYS_HELPERS_DEFERRED option

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Sui Jingfeng <suijingfeng@loongson.cn>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Link: https://patchwork.freedesktop.org/patch/msgid/20230530151228.22979-13-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2023-05-30 17:12:27 +02:00
parent 4a2262c121
commit c6baad68d4
4 changed files with 6 additions and 159 deletions
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6
drivers/gpu/drm/Kconfig
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@@ -95,6 +95,7 @@ config DRM_KUNIT_TEST
config DRM_KMS_HELPER
tristate
depends on DRM
select FB_SYS_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
help
CRTC helpers for KMS drivers.
@@ -135,11 +136,6 @@ config DRM_FBDEV_EMULATION
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_DEFERRED_IO
select FB_SYS_FOPS
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA
select FB_SYS_IMAGEBLIT
select FRAMEBUFFER_CONSOLE if !EXPERT
select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
default y