> Without an allocated colormap, FBIOGETCMAP fails. This would make
> programs restore an all-black colormap ("links -g") or fail to work
> altogether ("mplayer -vo fbdev2").
>
> Signed-off-by: Clemens Ladisch <clem...@ladisch.de>
> ---
> Untested.
>
> --- linux-2.6/drivers/gpu/drm/i915/intel_fb.c
> +++ linux-2.6/drivers/gpu/drm/i915/intel_fb.c
> @@ -227,6 +227,10 @@ static int intelfb_create(struct drm_dev
>
> fb->fbdev = info;
>
> + ret = fb_alloc_cmap(&info->cmap, 256, 0);
> + if (ret)
> + goto out_unpin;
> +
> par->intel_fb = intel_fb;
>
> /* To allow resizeing without swapping buffers */
It would be better to place that code in drm_fb_helper_single_fb_probe.
Also instead of 256 I would recommend using crtc->gamma_size.
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