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It's part of the drm fourcc handling code, mapping the old depth/bpp values to new fourcc codes. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160829082757.17913-6-daniel.vetter@ffwll.ch
39 lines
1.9 KiB
C
39 lines
1.9 KiB
C
/*
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* Copyright (c) 2016 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef __DRM_FOURCC_H__
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#define __DRM_FOURCC_H__
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#include <linux/types.h>
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#include <uapi/drm/drm_fourcc.h>
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uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
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void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, int *bpp);
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int drm_format_num_planes(uint32_t format);
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int drm_format_plane_cpp(uint32_t format, int plane);
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int drm_format_horz_chroma_subsampling(uint32_t format);
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int drm_format_vert_chroma_subsampling(uint32_t format);
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int drm_format_plane_width(int width, uint32_t format, int plane);
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int drm_format_plane_height(int height, uint32_t format, int plane);
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char *drm_get_format_name(uint32_t format) __malloc;
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#endif /* __DRM_FOURCC_H__ */
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