[PATCH 2/3] drm/radeon/kms: allocate framebuffer cmap

Clemens Ladisch
2009-11-02T07:44:45Z

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 <clemens@ladisch.de>

--- linux-2.6/drivers/gpu/drm/radeon/radeon_fb.c
+++ linux-2.6/drivers/gpu/drm/radeon/radeon_fb.c
@@ -242,6 +242,10 @@ int radeonfb_create(struct drm_device *d
goto out_unref;
}

+ ret = fb_alloc_cmap(&info->cmap, 256, 0);
+ if (ret)
+ goto out_unref;
+
memset_io(fbptr, 0, aligned_size);

strcpy(info->fix.id, "radeondrmfb");
@@ -341,6 +345,7 @@ int radeonfb_remove(struct drm_device *d
radeon_object_kunmap(robj);
radeon_object_unpin(robj);
drm_fb_helper_free(&rfbdev->helper);
+ fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}