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The drm_crtc_mask() function used in <drm/drm_encoder.h> is a static inline defined in <drm/drm_crtc.h>. If the first header is included in a compilation unit without the second one, the following compilation warning will be issued. In file included from <linux>/drivers/gpu/drm/drm_bridge.c:29:0: <linux>/include/drm/drm_encoder.h:192:95: warning: ‘drm_crtc_mask’ used but never defined static inline uint32_t drm_crtc_mask(const struct drm_crtc *crtc); Fix this by including the header defining the function instead of using a forward declaration. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1481709550-29226-3-git-send-email-laurent.pinchart+renesas@ideasonboard.com
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.