Re: [PATCH 4/9] drm/simplekms: Add fbdev emulation

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On Thu, Jun 25, 2020 at 02:00:06PM +0200, Thomas Zimmermann wrote:
> This displays a console on the simplefb framebuffer. The default
> framebuffer format is being used.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
>  drivers/gpu/drm/tiny/simplekms.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/tiny/simplekms.c b/drivers/gpu/drm/tiny/simplekms.c
> index dc7cf3983945..ac2ebfcedd22 100644
> --- a/drivers/gpu/drm/tiny/simplekms.c
> +++ b/drivers/gpu/drm/tiny/simplekms.c
> @@ -8,6 +8,7 @@
>  #include <drm/drm_damage_helper.h>
>  #include <drm/drm_device.h>
>  #include <drm/drm_drv.h>
> +#include <drm/drm_fb_helper.h>
>  #include <drm/drm_format_helper.h>
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_gem_shmem_helper.h>
> @@ -469,6 +470,8 @@ static int simplekms_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> +	drm_fbdev_generic_setup(dev, 0);

I think for the fastboot stuff what we could do is improve the generic
fbdev code with essentially what intel_fbdev_init_bios does. Well actually
just shovel that code into the helpers maybe, the other code to pick
initial configs for fastboot has been moved already too.

Otherwise lgtm ofc.

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

> +
>  	return 0;
>  }
>  
> -- 
> 2.27.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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