Re: [PATCH v4 13/13] drm/i915: Implement dedicated fbdev I/O helpers

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Hi Thomas,

On Wed, May 24, 2023 at 11:21:50AM +0200, Thomas Zimmermann wrote:
> 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 fbdev callbacks. i915 was the only
> caller of the DRM helpers, so remove them from the helper module.
> 
> i915's fbdev emulation is still incomplete as it doesn't implement
> deferred I/O and damage handling for mmaped pages.
> 
> v4:
> 	* generate deferred-I/O helpers
> 	* use initializer macros for fb_ops
> v2:
> 	* use FB_IO_HELPERS options
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
> Cc: "Ville Syrjälä" <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/Kconfig                    |   3 -
>  drivers/gpu/drm/drm_fb_helper.c            | 107 ---------------------
>  drivers/gpu/drm/i915/Kconfig               |   1 +
>  drivers/gpu/drm/i915/display/intel_fbdev.c |  14 +--
>  include/drm/drm_fb_helper.h                |  39 --------
>  5 files changed, 9 insertions(+), 155 deletions(-)

Nice diffstat!
Assuming there is a good explanation on the dirty check:
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>



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