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 */
@@ -270,6 +274,7 @@ int intelfb_remove(struct drm_device *de
iounmap(info->screen_base);
if (info->par)
drm_fb_helper_free(&par->helper);
+ fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
------------------------------------------------------------------------------
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