1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>struct drm_mode_config</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="drm-kms-init.html#idp1124538092" title="KMS Data Structures"><link rel="prev" href="API-struct-drm-mode-group.html" title="struct drm_mode_group"><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-group.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 list_head property_blob_list; 33 uint32_t preferred_depth; 34 uint32_t prefer_shadow; 35 bool async_page_flip; 36 uint32_t cursor_width; 37 uint32_t cursor_height; 38}; </pre></div><div class="refsect1"><a name="idp1124791052"></a><h2>Members</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">mutex</span></dt><dd><p> 39 mutex protecting KMS related lists and structures 40 </p></dd><dt><span class="term">connection_mutex</span></dt><dd><p> 41 ww mutex protecting connector state and routing 42 </p></dd><dt><span class="term">acquire_ctx</span></dt><dd><p> 43 global implicit acquire context used by atomic drivers for 44 legacy ioctls 45 </p></dd><dt><span class="term">idr_mutex</span></dt><dd><p> 46 mutex for KMS ID allocation and management 47 </p></dd><dt><span class="term">crtc_idr</span></dt><dd><p> 48 main KMS ID tracking object 49 </p></dd><dt><span class="term">fb_lock</span></dt><dd><p> 50 mutex to protect fb state and lists 51 </p></dd><dt><span class="term">num_fb</span></dt><dd><p> 52 number of fbs available 53 </p></dd><dt><span class="term">fb_list</span></dt><dd><p> 54 list of framebuffers available 55 </p></dd><dt><span class="term">num_connector</span></dt><dd><p> 56 number of connectors on this device 57 </p></dd><dt><span class="term">connector_list</span></dt><dd><p> 58 list of connector objects 59 </p></dd><dt><span class="term">num_encoder</span></dt><dd><p> 60 number of encoders on this device 61 </p></dd><dt><span class="term">encoder_list</span></dt><dd><p> 62 list of encoder objects 63 </p></dd><dt><span class="term">num_overlay_plane</span></dt><dd><p> 64 number of overlay planes on this device 65 </p></dd><dt><span class="term">num_total_plane</span></dt><dd><p> 66 number of universal (i.e. with primary/curso) planes on this device 67 </p></dd><dt><span class="term">plane_list</span></dt><dd><p> 68 list of plane objects 69 </p></dd><dt><span class="term">num_crtc</span></dt><dd><p> 70 number of CRTCs on this device 71 </p></dd><dt><span class="term">crtc_list</span></dt><dd><p> 72 list of CRTC objects 73 </p></dd><dt><span class="term">property_list</span></dt><dd><p> 74 list of property objects 75 </p></dd><dt><span class="term">min_width</span></dt><dd><p> 76 minimum pixel width on this device 77 </p></dd><dt><span class="term">min_height</span></dt><dd><p> 78 minimum pixel height on this device 79 </p></dd><dt><span class="term">max_width</span></dt><dd><p> 80 maximum pixel width on this device 81 </p></dd><dt><span class="term">max_height</span></dt><dd><p> 82 maximum pixel height on this device 83 </p></dd><dt><span class="term">funcs</span></dt><dd><p> 84 core driver provided mode setting functions 85 </p></dd><dt><span class="term">fb_base</span></dt><dd><p> 86 base address of the framebuffer 87 </p></dd><dt><span class="term">poll_enabled</span></dt><dd><p> 88 track polling support for this device 89 </p></dd><dt><span class="term">poll_running</span></dt><dd><p> 90 track polling status for this device 91 </p></dd><dt><span class="term">output_poll_work</span></dt><dd><p> 92 delayed work for polling in process context 93 </p></dd><dt><span class="term">property_blob_list</span></dt><dd><p> 94 list of all the blob property objects 95 </p></dd><dt><span class="term">preferred_depth</span></dt><dd><p> 96 preferred RBG pixel depth, used by fb helpers 97 </p></dd><dt><span class="term">prefer_shadow</span></dt><dd><p> 98 hint to userspace to prefer shadow-fb rendering 99 </p></dd><dt><span class="term">async_page_flip</span></dt><dd><p> 100 does this device support async flips on the primary plane? 101 </p></dd><dt><span class="term">cursor_width</span></dt><dd><p> 102 hint to userspace for max cursor width 103 </p></dd><dt><span class="term">cursor_height</span></dt><dd><p> 104 hint to userspace for max cursor height 105 </p></dd></dl></div></div><div class="refsect1"><a name="idp1124815308"></a><h2>_property</h2><p> 106 core property tracking 107</p></div><div class="refsect1"><a name="idp1124815932"></a><h2>Description</h2><p> 108 Core mode resource tracking structure. All CRTC, encoders, and connectors 109 enumerated by the driver are added here, as are global properties. Some 110 global restrictions are also here, e.g. dimension restrictions. 111</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-group.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="drm-kms-init.html#idp1124538092">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_group</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> 112