1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>struct drm_mode_config</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux GPU Driver Developer's Guide"><link rel="up" href="drm-kms-init.html#id-1.3.4.8.10" title="KMS Data Structures"><link rel="prev" href="API-struct-drm-mode-config-funcs.html" title="struct drm_mode_config_funcs"><link rel="next" href="API-drm-for-each-plane-mask.html" title="drm_for_each_plane_mask"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">struct drm_mode_config</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-drm-mode-config-funcs.html">Prev</a> </td><th width="60%" align="center">KMS Data Structures</th><td width="20%" align="right"> <a accesskey="n" href="API-drm-for-each-plane-mask.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-struct-drm-mode-config"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct drm_mode_config — 2 Mode configuration control structure 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting"> 4struct drm_mode_config { 5 struct mutex mutex; 6 struct drm_modeset_lock connection_mutex; 7 struct drm_modeset_acquire_ctx * acquire_ctx; 8 struct mutex idr_mutex; 9 struct idr crtc_idr; 10 struct mutex fb_lock; 11 int num_fb; 12 struct list_head fb_list; 13 int num_connector; 14 struct list_head connector_list; 15 int num_encoder; 16 struct list_head encoder_list; 17 int num_overlay_plane; 18 int num_total_plane; 19 struct list_head plane_list; 20 int num_crtc; 21 struct list_head crtc_list; 22 struct list_head property_list; 23 int min_width; 24 int min_height; 25 int max_width; 26 int max_height; 27 const struct drm_mode_config_funcs * funcs; 28 resource_size_t fb_base; 29 bool poll_enabled; 30 bool poll_running; 31 struct delayed_work output_poll_work; 32 struct mutex blob_lock; 33 struct list_head property_blob_list; 34 uint32_t preferred_depth; 35 uint32_t prefer_shadow; 36 bool async_page_flip; 37 uint32_t cursor_width; 38 uint32_t cursor_height; 39}; </pre></div><div class="refsect1"><a name="id-1.3.4.8.10.18.5"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">mutex</span></dt><dd><p> 40 mutex protecting KMS related lists and structures 41 </p></dd><dt><span class="term">connection_mutex</span></dt><dd><p> 42 ww mutex protecting connector state and routing 43 </p></dd><dt><span class="term">acquire_ctx</span></dt><dd><p> 44 global implicit acquire context used by atomic drivers for 45 legacy ioctls 46 </p></dd><dt><span class="term">idr_mutex</span></dt><dd><p> 47 mutex for KMS ID allocation and management 48 </p></dd><dt><span class="term">crtc_idr</span></dt><dd><p> 49 main KMS ID tracking object 50 </p></dd><dt><span class="term">fb_lock</span></dt><dd><p> 51 mutex to protect fb state and lists 52 </p></dd><dt><span class="term">num_fb</span></dt><dd><p> 53 number of fbs available 54 </p></dd><dt><span class="term">fb_list</span></dt><dd><p> 55 list of framebuffers available 56 </p></dd><dt><span class="term">num_connector</span></dt><dd><p> 57 number of connectors on this device 58 </p></dd><dt><span class="term">connector_list</span></dt><dd><p> 59 list of connector objects 60 </p></dd><dt><span class="term">num_encoder</span></dt><dd><p> 61 number of encoders on this device 62 </p></dd><dt><span class="term">encoder_list</span></dt><dd><p> 63 list of encoder objects 64 </p></dd><dt><span class="term">num_overlay_plane</span></dt><dd><p> 65 number of overlay planes on this device 66 </p></dd><dt><span class="term">num_total_plane</span></dt><dd><p> 67 number of universal (i.e. with primary/curso) planes on this device 68 </p></dd><dt><span class="term">plane_list</span></dt><dd><p> 69 list of plane objects 70 </p></dd><dt><span class="term">num_crtc</span></dt><dd><p> 71 number of CRTCs on this device 72 </p></dd><dt><span class="term">crtc_list</span></dt><dd><p> 73 list of CRTC objects 74 </p></dd><dt><span class="term">property_list</span></dt><dd><p> 75 list of property objects 76 </p></dd><dt><span class="term">min_width</span></dt><dd><p> 77 minimum pixel width on this device 78 </p></dd><dt><span class="term">min_height</span></dt><dd><p> 79 minimum pixel height on this device 80 </p></dd><dt><span class="term">max_width</span></dt><dd><p> 81 maximum pixel width on this device 82 </p></dd><dt><span class="term">max_height</span></dt><dd><p> 83 maximum pixel height on this device 84 </p></dd><dt><span class="term">funcs</span></dt><dd><p> 85 core driver provided mode setting functions 86 </p></dd><dt><span class="term">fb_base</span></dt><dd><p> 87 base address of the framebuffer 88 </p></dd><dt><span class="term">poll_enabled</span></dt><dd><p> 89 track polling support for this device 90 </p></dd><dt><span class="term">poll_running</span></dt><dd><p> 91 track polling status for this device 92 </p></dd><dt><span class="term">output_poll_work</span></dt><dd><p> 93 delayed work for polling in process context 94 </p></dd><dt><span class="term">blob_lock</span></dt><dd><p> 95 mutex for blob property allocation and management 96 </p></dd><dt><span class="term">property_blob_list</span></dt><dd><p> 97 list of all the blob property objects 98 </p></dd><dt><span class="term">preferred_depth</span></dt><dd><p> 99 preferred RBG pixel depth, used by fb helpers 100 </p></dd><dt><span class="term">prefer_shadow</span></dt><dd><p> 101 hint to userspace to prefer shadow-fb rendering 102 </p></dd><dt><span class="term">async_page_flip</span></dt><dd><p> 103 does this device support async flips on the primary plane? 104 </p></dd><dt><span class="term">cursor_width</span></dt><dd><p> 105 hint to userspace for max cursor width 106 </p></dd><dt><span class="term">cursor_height</span></dt><dd><p> 107 hint to userspace for max cursor height 108 </p></dd></dl></div></div><div class="refsect1"><a name="id-1.3.4.8.10.18.6"></a><h2>_property</h2><p> 109 core property tracking 110</p></div><div class="refsect1"><a name="id-1.3.4.8.10.18.7"></a><h2>Description</h2><p> 111 Core mode resource tracking structure. All CRTC, encoders, and connectors 112 enumerated by the driver are added here, as are global properties. Some 113 global restrictions are also here, e.g. dimension restrictions. 114</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-drm-mode-config-funcs.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="drm-kms-init.html#id-1.3.4.8.10">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-drm-for-each-plane-mask.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct drm_mode_config_funcs</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">drm_for_each_plane_mask</span></td></tr></table></div></body></html> 115