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

[Clemens Ladisch]

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@xxxxxxxxxx>

--- 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);
 	}
 

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