Re: [PATCH 19/21] drm/udl: Use drm_fb_helper_fill_info

["Noralf Trønnes" <noralf@tronnes.org>]

Den 26.03.2019 14.20, skrev Daniel Vetter:
> This should not result in any changes.
> 
> v2: Rebase
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: Sean Paul <sean@poorly.run>
> Cc: Mikulas Patocka <mpatocka@redhat.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Emil Lundmark <lndmrk@chromium.org>
> ---
>  drivers/gpu/drm/udl/udl_fb.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
> index dd9ffded223b..59e005edf309 100644
> --- a/drivers/gpu/drm/udl/udl_fb.c
> +++ b/drivers/gpu/drm/udl/udl_fb.c
> @@ -32,7 +32,7 @@ module_param(fb_bpp, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP);
>  module_param(fb_defio, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP);
>  
>  struct udl_fbdev {
> -	struct drm_fb_helper helper;
> +	struct drm_fb_helper helper; /* must be first */
>  	struct udl_framebuffer ufb;
>  	int fb_count;
>  };
> @@ -402,15 +402,12 @@ static int udlfb_create(struct drm_fb_helper *helper,
>  

You forgot to remove the info->par assignement here. With that:

Acked-by: Noralf Trønnes <noralf@tronnes.org>

>  	ufbdev->helper.fb = fb;
>  
> -	strcpy(info->fix.id, "udldrmfb");
> -
>  	info->screen_base = ufbdev->ufb.obj->vmapping;
>  	info->fix.smem_len = size;
>  	info->fix.smem_start = (unsigned long)ufbdev->ufb.obj->vmapping;
>  
>  	info->fbops = &udlfb_ops;
> -	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
> -	drm_fb_helper_fill_var(info, &ufbdev->helper, sizes->fb_width, sizes->fb_height);
> +	drm_fb_helper_fill_info(info, &ufbdev->helper, sizes);
>  
>  	DRM_DEBUG_KMS("allocated %dx%d vmal %p\n",
>  		      fb->width, fb->height,
> 
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