Daniel,
Commit 6aed8ec "drm: review locking for
drm_fb_helper_restore_fbdev_mode" (now in next-20130218 and later)
causes build failures for tegra_defconfig. The issue is this part of the
patch:
> diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
> index 3742bc9..1b6ba2d 100644
> --- a/drivers/gpu/drm/drm_fb_cma_helper.c
> +++ b/drivers/gpu/drm/drm_fb_cma_helper.c
> @@ -389,8 +389,10 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_fini);
> */
> void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma)
> {
> + drm_modeset_lock_all(dev);
> if (fbdev_cma)
> drm_fb_helper_restore_fbdev_mode(&fbdev_cma->fb_helper);
> + drm_modeset_unlock_all(dev);
> }
> EXPORT_SYMBOL_GPL(drm_fbdev_cma_restore_mode);
There, there is no "dev" variable, so compile fails.
If I revert this one patch, the build succeeds, although I didn't check
whether DRM still works after that (e.g. due to any dependencies from
the rest of the series).
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