1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2013 Red Hat 5 * Author: Rob Clark <robdclark@gmail.com> 6 */ 7 8 #ifndef _DPU_PLANE_H_ 9 #define _DPU_PLANE_H_ 10 11 #include <drm/drm_crtc.h> 12 13 #include "dpu_kms.h" 14 #include "dpu_hw_mdss.h" 15 #include "dpu_hw_sspp.h" 16 17 /** 18 * struct dpu_plane_state: Define dpu extension of drm plane state object 19 * @base: base drm plane state object 20 * @aspace: pointer to address space for input/output buffers 21 * @hw_sspp: pointer to corresponding SSPP instance 22 * @stage: assigned by crtc blender 23 * @needs_qos_remap: qos remap settings need to be updated 24 * @multirect_index: index of the rectangle of SSPP 25 * @multirect_mode: parallel or time multiplex multirect mode 26 * @pending: whether the current update is still pending 27 * @plane_fetch_bw: calculated BW per plane 28 * @plane_clk: calculated clk per plane 29 * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed 30 * @rotation: simplified drm rotation hint 31 */ 32 struct dpu_plane_state { 33 struct drm_plane_state base; 34 struct msm_gem_address_space *aspace; 35 struct dpu_hw_sspp *hw_sspp; 36 enum dpu_stage stage; 37 bool needs_qos_remap; 38 uint32_t multirect_index; 39 uint32_t multirect_mode; 40 bool pending; 41 42 u64 plane_fetch_bw; 43 u64 plane_clk; 44 45 bool needs_dirtyfb; 46 unsigned int rotation; 47 }; 48 49 /** 50 * struct dpu_multirect_plane_states: Defines multirect pair of drm plane states 51 * @r0: drm plane configured on rect 0 52 * @r1: drm plane configured on rect 1 53 */ 54 struct dpu_multirect_plane_states { 55 const struct drm_plane_state *r0; 56 const struct drm_plane_state *r1; 57 }; 58 59 #define to_dpu_plane_state(x) \ 60 container_of(x, struct dpu_plane_state, base) 61 62 /** 63 * dpu_plane_flush - final plane operations before commit flush 64 * @plane: Pointer to drm plane structure 65 */ 66 void dpu_plane_flush(struct drm_plane *plane); 67 68 /** 69 * dpu_plane_set_error: enable/disable error condition 70 * @plane: pointer to drm_plane structure 71 */ 72 void dpu_plane_set_error(struct drm_plane *plane, bool error); 73 74 /** 75 * dpu_plane_init - create new dpu plane for the given pipe 76 * @dev: Pointer to DRM device 77 * @pipe: dpu hardware pipe identifier 78 * @type: Plane type - PRIMARY/OVERLAY/CURSOR 79 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe 80 * 81 */ 82 struct drm_plane *dpu_plane_init(struct drm_device *dev, 83 uint32_t pipe, enum drm_plane_type type, 84 unsigned long possible_crtcs); 85 86 /** 87 * dpu_plane_validate_multirecti_v2 - validate the multirect planes 88 * against hw limitations 89 * @plane: drm plate states of the multirect pair 90 */ 91 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane); 92 93 /** 94 * dpu_plane_clear_multirect - clear multirect bits for the given pipe 95 * @drm_state: Pointer to DRM plane state 96 */ 97 void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state); 98 99 /** 100 * dpu_plane_color_fill - enables color fill on plane 101 * @plane: Pointer to DRM plane object 102 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red 103 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha 104 * Returns: 0 on success 105 */ 106 int dpu_plane_color_fill(struct drm_plane *plane, 107 uint32_t color, uint32_t alpha); 108 109 #ifdef CONFIG_DEBUG_FS 110 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable); 111 #else 112 static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {} 113 #endif 114 115 #endif /* _DPU_PLANE_H_ */ 116