dpu_formats.h (2644B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. 3 */ 4 5#ifndef _DPU_FORMATS_H 6#define _DPU_FORMATS_H 7 8#include <drm/drm_fourcc.h> 9#include "msm_gem.h" 10#include "dpu_hw_mdss.h" 11 12/** 13 * dpu_get_dpu_format_ext() - Returns dpu format structure pointer. 14 * @format: DRM FourCC Code 15 * @modifiers: format modifier array from client, one per plane 16 */ 17const struct dpu_format *dpu_get_dpu_format_ext( 18 const uint32_t format, 19 const uint64_t modifier); 20 21#define dpu_get_dpu_format(f) dpu_get_dpu_format_ext(f, 0) 22 23/** 24 * dpu_find_format - validate if the pixel format is supported 25 * @format: dpu format 26 * @supported_formats: supported formats by dpu HW 27 * @num_formatss: total number of formats 28 * 29 * Return: false if not valid format, true on success 30 */ 31static inline bool dpu_find_format(u32 format, const u32 *supported_formats, 32 size_t num_formats) 33{ 34 int i; 35 36 for (i = 0; i < num_formats; i++) { 37 /* check for valid formats supported */ 38 if (format == supported_formats[i]) 39 return true; 40 } 41 42 return false; 43} 44 45/** 46 * dpu_get_msm_format - get an dpu_format by its msm_format base 47 * callback function registers with the msm_kms layer 48 * @kms: kms driver 49 * @format: DRM FourCC Code 50 * @modifiers: data layout modifier 51 */ 52const struct msm_format *dpu_get_msm_format( 53 struct msm_kms *kms, 54 const uint32_t format, 55 const uint64_t modifiers); 56 57/** 58 * dpu_format_check_modified_format - validate format and buffers for 59 * dpu non-standard, i.e. modified format 60 * @kms: kms driver 61 * @msm_fmt: pointer to the msm_fmt base pointer of an dpu_format 62 * @cmd: fb_cmd2 structure user request 63 * @bos: gem buffer object list 64 * 65 * Return: error code on failure, 0 on success 66 */ 67int dpu_format_check_modified_format( 68 const struct msm_kms *kms, 69 const struct msm_format *msm_fmt, 70 const struct drm_mode_fb_cmd2 *cmd, 71 struct drm_gem_object **bos); 72 73/** 74 * dpu_format_populate_layout - populate the given format layout based on 75 * mmu, fb, and format found in the fb 76 * @aspace: address space pointer 77 * @fb: framebuffer pointer 78 * @fmtl: format layout structure to populate 79 * 80 * Return: error code on failure, -EAGAIN if success but the addresses 81 * are the same as before or 0 if new addresses were populated 82 */ 83int dpu_format_populate_layout( 84 struct msm_gem_address_space *aspace, 85 struct drm_framebuffer *fb, 86 struct dpu_hw_fmt_layout *fmtl); 87 88#endif /*_DPU_FORMATS_H */