12fa91d15SJani Nikula============================= 22fa91d15SJani NikulaMode Setting Helper Functions 32fa91d15SJani Nikula============================= 42fa91d15SJani Nikula 5bcb32b69SDaniel VetterThe DRM subsystem aims for a strong separation between core code and helper 6bcb32b69SDaniel Vetterlibraries. Core code takes care of general setup and teardown and decoding 7bcb32b69SDaniel Vetteruserspace requests to kernel internal objects. Everything else is handled by a 8bcb32b69SDaniel Vetterlarge set of helper libraries, which can be combined freely to pick and choose 9bcb32b69SDaniel Vetterfor each driver what fits, and avoid shared code where special behaviour is 10bcb32b69SDaniel Vetterneeded. 112fa91d15SJani Nikula 12bcb32b69SDaniel VetterThis distinction between core code and helpers is especially strong in the 13bcb32b69SDaniel Vettermodesetting code, where there's a shared userspace ABI for all drivers. This is 14bcb32b69SDaniel Vetterin contrast to the render side, where pretty much everything (with very few 15bcb32b69SDaniel Vetterexceptions) can be considered optional helper code. 162fa91d15SJani Nikula 17bcb32b69SDaniel VetterThere are a few areas these helpers can grouped into: 182fa91d15SJani Nikula 19bcb32b69SDaniel Vetter* Helpers to implement modesetting. The important ones here are the atomic 20bcb32b69SDaniel Vetter helpers. Old drivers still often use the legacy CRTC helpers. They both share 21bcb32b69SDaniel Vetter the same set of common helper vtables. For really simple drivers (anything 22bcb32b69SDaniel Vetter that would have been a great fit in the deprecated fbdev subsystem) there's 23bcb32b69SDaniel Vetter also the simple display pipe helpers. 24bcb32b69SDaniel Vetter 25bcb32b69SDaniel Vetter* There's a big pile of helpers for handling outputs. First the generic bridge 26bcb32b69SDaniel Vetter helpers for handling encoder and transcoder IP blocks. Second the panel helpers 27bcb32b69SDaniel Vetter for handling panel-related information and logic. Plus then a big set of 28bcb32b69SDaniel Vetter helpers for the various sink standards (DisplayPort, HDMI, MIPI DSI). Finally 29bcb32b69SDaniel Vetter there's also generic helpers for handling output probing, and for dealing with 30bcb32b69SDaniel Vetter EDIDs. 31bcb32b69SDaniel Vetter 32bcb32b69SDaniel Vetter* The last group of helpers concerns itself with the frontend side of a display 33bcb32b69SDaniel Vetter pipeline: Planes, handling rectangles for visibility checking and scissoring, 34bcb32b69SDaniel Vetter flip queues and assorted bits. 35bcb32b69SDaniel Vetter 36bcb32b69SDaniel VetterModeset Helper Reference for Common Vtables 37bcb32b69SDaniel Vetter=========================================== 38bcb32b69SDaniel Vetter 39bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_modeset_helper_vtables.h 401ea35768SDaniel Vetter :doc: overview 41bcb32b69SDaniel Vetter 42bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_modeset_helper_vtables.h 431ea35768SDaniel Vetter :internal: 442fa91d15SJani Nikula 454a8e2292SDaniel Vetter.. _drm_atomic_helper: 464a8e2292SDaniel Vetter 472fa91d15SJani NikulaAtomic Modeset Helper Functions Reference 482fa91d15SJani Nikula========================================= 492fa91d15SJani Nikula 502fa91d15SJani NikulaOverview 512fa91d15SJani Nikula-------- 522fa91d15SJani Nikula 532fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_atomic_helper.c 542fa91d15SJani Nikula :doc: overview 552fa91d15SJani Nikula 562fa91d15SJani NikulaImplementing Asynchronous Atomic Commit 572fa91d15SJani Nikula--------------------------------------- 582fa91d15SJani Nikula 592fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_atomic_helper.c 602fa91d15SJani Nikula :doc: implementing nonblocking commit 612fa91d15SJani Nikula 621ea0c02eSDaniel VetterHelper Functions Reference 631ea0c02eSDaniel Vetter-------------------------- 641ea0c02eSDaniel Vetter 652fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_atomic_helper.h 662fa91d15SJani Nikula :internal: 672fa91d15SJani Nikula 682fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_atomic_helper.c 692fa91d15SJani Nikula :export: 702fa91d15SJani Nikula 719ef8a9dcSDaniel VetterAtomic State Reset and Initialization 729ef8a9dcSDaniel Vetter------------------------------------- 739ef8a9dcSDaniel Vetter 749ef8a9dcSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_atomic_state_helper.c 759ef8a9dcSDaniel Vetter :doc: atomic state reset and initialization 769ef8a9dcSDaniel Vetter 779ef8a9dcSDaniel VetterAtomic State Helper Reference 789ef8a9dcSDaniel Vetter----------------------------- 799ef8a9dcSDaniel Vetter 809ef8a9dcSDaniel Vetter.. kernel-doc:: include/drm/drm_atomic_state_helper.h 819ef8a9dcSDaniel Vetter :internal: 829ef8a9dcSDaniel Vetter 839ef8a9dcSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_atomic_state_helper.c 849ef8a9dcSDaniel Vetter :export: 859ef8a9dcSDaniel Vetter 86bcb32b69SDaniel VetterSimple KMS Helper Reference 87bcb32b69SDaniel Vetter=========================== 88bcb32b69SDaniel Vetter 891ea35768SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_simple_kms_helper.c 901ea35768SDaniel Vetter :doc: overview 911ea35768SDaniel Vetter 92bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_simple_kms_helper.h 93bcb32b69SDaniel Vetter :internal: 94bcb32b69SDaniel Vetter 95bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_simple_kms_helper.c 96bcb32b69SDaniel Vetter :export: 97bcb32b69SDaniel Vetter 982fa91d15SJani Nikulafbdev Helper Functions Reference 992fa91d15SJani Nikula================================ 1002fa91d15SJani Nikula 1012fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_fb_helper.c 1022fa91d15SJani Nikula :doc: fbdev helpers 1032fa91d15SJani Nikula 1042fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_fb_helper.h 1052fa91d15SJani Nikula :internal: 1062fa91d15SJani Nikula 1071ea35768SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_fb_helper.c 1081ea35768SDaniel Vetter :export: 1091ea35768SDaniel Vetter 110b7147e9aSGerd Hoffmannformat Helper Functions Reference 111b7147e9aSGerd Hoffmann================================= 112b7147e9aSGerd Hoffmann 113b7147e9aSGerd Hoffmann.. kernel-doc:: drivers/gpu/drm/drm_format_helper.c 114b7147e9aSGerd Hoffmann :export: 115b7147e9aSGerd Hoffmann 1162fa91d15SJani NikulaFramebuffer CMA Helper Functions Reference 1172fa91d15SJani Nikula========================================== 1182fa91d15SJani Nikula 1192fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_fb_cma_helper.c 1202fa91d15SJani Nikula :doc: framebuffer cma helper functions 1212fa91d15SJani Nikula 1222fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_fb_cma_helper.c 1232fa91d15SJani Nikula :export: 1242fa91d15SJani Nikula 1259bea6dd0SDaniel VetterFramebuffer GEM Helper Reference 1269bea6dd0SDaniel Vetter================================ 1279bea6dd0SDaniel Vetter 1289bea6dd0SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c 1299bea6dd0SDaniel Vetter :doc: overview 1309bea6dd0SDaniel Vetter 1319bea6dd0SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c 1329bea6dd0SDaniel Vetter :export: 1339bea6dd0SDaniel Vetter 134b981a686SDaniel Vetter.. _drm_bridges: 135b981a686SDaniel Vetter 136bcb32b69SDaniel VetterBridges 137bcb32b69SDaniel Vetter======= 138bcb32b69SDaniel Vetter 139bcb32b69SDaniel VetterOverview 140bcb32b69SDaniel Vetter-------- 141bcb32b69SDaniel Vetter 142bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_bridge.c 143bcb32b69SDaniel Vetter :doc: overview 144bcb32b69SDaniel Vetter 145bcb32b69SDaniel VetterDefault bridge callback sequence 146bcb32b69SDaniel Vetter-------------------------------- 147bcb32b69SDaniel Vetter 148bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_bridge.c 149bcb32b69SDaniel Vetter :doc: bridge callbacks 150bcb32b69SDaniel Vetter 151199e4e96SDaniel Vetter 152199e4e96SDaniel VetterBridge Helper Reference 153199e4e96SDaniel Vetter------------------------- 154199e4e96SDaniel Vetter 155199e4e96SDaniel Vetter.. kernel-doc:: include/drm/drm_bridge.h 156199e4e96SDaniel Vetter :internal: 157199e4e96SDaniel Vetter 158bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_bridge.c 159bcb32b69SDaniel Vetter :export: 160bcb32b69SDaniel Vetter 16113dfc054SEric AnholtPanel-Bridge Helper Reference 16213dfc054SEric Anholt----------------------------- 16313dfc054SEric Anholt 16413dfc054SEric Anholt.. kernel-doc:: drivers/gpu/drm/bridge/panel.c 16513dfc054SEric Anholt :export: 16613dfc054SEric Anholt 1672564d0b0SDaniel Vetter.. _drm_panel_helper: 1682564d0b0SDaniel Vetter 169bcb32b69SDaniel VetterPanel Helper Reference 170bcb32b69SDaniel Vetter====================== 171bcb32b69SDaniel Vetter 1721ea35768SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_panel.c 1731ea35768SDaniel Vetter :doc: drm panel 1741ea35768SDaniel Vetter 175bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_panel.h 176bcb32b69SDaniel Vetter :internal: 177bcb32b69SDaniel Vetter 178bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_panel.c 179bcb32b69SDaniel Vetter :export: 180bcb32b69SDaniel Vetter 181404d1a3eSHans de Goede.. kernel-doc:: drivers/gpu/drm/drm_panel_orientation_quirks.c 182404d1a3eSHans de Goede :export: 183404d1a3eSHans de Goede 1846498bf58SRamalingam CHDCP Helper Functions Reference 1856498bf58SRamalingam C=============================== 1866498bf58SRamalingam C 1876498bf58SRamalingam C.. kernel-doc:: drivers/gpu/drm/drm_hdcp.c 1886498bf58SRamalingam C :export: 1896498bf58SRamalingam C 1902fa91d15SJani NikulaDisplay Port Helper Functions Reference 1912fa91d15SJani Nikula======================================= 1922fa91d15SJani Nikula 1932fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_helper.c 1942fa91d15SJani Nikula :doc: dp helpers 1952fa91d15SJani Nikula 1962fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_dp_helper.h 1972fa91d15SJani Nikula :internal: 1982fa91d15SJani Nikula 1992fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_helper.c 2002fa91d15SJani Nikula :export: 2012fa91d15SJani Nikula 202d2e2d265SHans VerkuilDisplay Port CEC Helper Functions Reference 203d2e2d265SHans Verkuil=========================================== 204d2e2d265SHans Verkuil 205d2e2d265SHans Verkuil.. kernel-doc:: drivers/gpu/drm/drm_dp_cec.c 206d2e2d265SHans Verkuil :doc: dp cec helpers 207d2e2d265SHans Verkuil 208d2e2d265SHans Verkuil.. kernel-doc:: drivers/gpu/drm/drm_dp_cec.c 209d2e2d265SHans Verkuil :export: 210d2e2d265SHans Verkuil 2112fa91d15SJani NikulaDisplay Port Dual Mode Adaptor Helper Functions Reference 2122fa91d15SJani Nikula========================================================= 2132fa91d15SJani Nikula 2142fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_dual_mode_helper.c 2152fa91d15SJani Nikula :doc: dp dual mode helpers 2162fa91d15SJani Nikula 2172fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_dp_dual_mode_helper.h 2182fa91d15SJani Nikula :internal: 2192fa91d15SJani Nikula 2202fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_dual_mode_helper.c 2212fa91d15SJani Nikula :export: 2222fa91d15SJani Nikula 223ebcc0e6bSLyude PaulDisplay Port MST Helpers 224ebcc0e6bSLyude Paul======================== 225ebcc0e6bSLyude Paul 226ebcc0e6bSLyude PaulOverview 227ebcc0e6bSLyude Paul-------- 2282fa91d15SJani Nikula 2292fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_mst_topology.c 2302fa91d15SJani Nikula :doc: dp mst helper 2312fa91d15SJani Nikula 232ebcc0e6bSLyude Paul.. kernel-doc:: drivers/gpu/drm/drm_dp_mst_topology.c 233ebcc0e6bSLyude Paul :doc: Branch device and port refcounting 234ebcc0e6bSLyude Paul 235ebcc0e6bSLyude PaulFunctions Reference 236ebcc0e6bSLyude Paul------------------- 237ebcc0e6bSLyude Paul 2382fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_dp_mst_helper.h 2392fa91d15SJani Nikula :internal: 2402fa91d15SJani Nikula 2412fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_dp_mst_topology.c 2422fa91d15SJani Nikula :export: 2432fa91d15SJani Nikula 244ebcc0e6bSLyude PaulTopology Lifetime Internals 245ebcc0e6bSLyude Paul--------------------------- 246ebcc0e6bSLyude Paul 247ebcc0e6bSLyude PaulThese functions aren't exported to drivers, but are documented here to help make 248ebcc0e6bSLyude Paulthe MST topology helpers easier to understand 249ebcc0e6bSLyude Paul 250ebcc0e6bSLyude Paul.. kernel-doc:: drivers/gpu/drm/drm_dp_mst_topology.c 251ebcc0e6bSLyude Paul :functions: drm_dp_mst_topology_try_get_mstb drm_dp_mst_topology_get_mstb 252ebcc0e6bSLyude Paul drm_dp_mst_topology_put_mstb 253ebcc0e6bSLyude Paul drm_dp_mst_topology_try_get_port drm_dp_mst_topology_get_port 254ebcc0e6bSLyude Paul drm_dp_mst_topology_put_port 255ebcc0e6bSLyude Paul drm_dp_mst_get_mstb_malloc drm_dp_mst_put_mstb_malloc 256ebcc0e6bSLyude Paul 2572fa91d15SJani NikulaMIPI DSI Helper Functions Reference 2582fa91d15SJani Nikula=================================== 2592fa91d15SJani Nikula 2602fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_mipi_dsi.c 2612fa91d15SJani Nikula :doc: dsi helpers 2622fa91d15SJani Nikula 2632fa91d15SJani Nikula.. kernel-doc:: include/drm/drm_mipi_dsi.h 2642fa91d15SJani Nikula :internal: 2652fa91d15SJani Nikula 2662fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_mipi_dsi.c 2672fa91d15SJani Nikula :export: 2682fa91d15SJani Nikula 269a408c857SManasi NavareDisplay Stream Compression Helper Functions Reference 270a408c857SManasi Navare===================================================== 271a408c857SManasi Navare 272a408c857SManasi Navare.. kernel-doc:: drivers/gpu/drm/drm_dsc.c 273a408c857SManasi Navare :doc: dsc helpers 274a408c857SManasi Navare 275a408c857SManasi Navare.. kernel-doc:: include/drm/drm_dsc.h 276a408c857SManasi Navare :internal: 277a408c857SManasi Navare 278a408c857SManasi Navare.. kernel-doc:: drivers/gpu/drm/drm_dsc.c 279a408c857SManasi Navare :export: 280a408c857SManasi Navare 281bcb32b69SDaniel VetterOutput Probing Helper Functions Reference 282bcb32b69SDaniel Vetter========================================= 283bcb32b69SDaniel Vetter 284bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_probe_helper.c 285bcb32b69SDaniel Vetter :doc: output probing helper overview 286bcb32b69SDaniel Vetter 287bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_probe_helper.c 288bcb32b69SDaniel Vetter :export: 289bcb32b69SDaniel Vetter 2902fa91d15SJani NikulaEDID Helper Functions Reference 2912fa91d15SJani Nikula=============================== 2922fa91d15SJani Nikula 293cdc3d09fSDaniel Vetter.. kernel-doc:: include/drm/drm_edid.h 294cdc3d09fSDaniel Vetter :internal: 295cdc3d09fSDaniel Vetter 2962fa91d15SJani Nikula.. kernel-doc:: drivers/gpu/drm/drm_edid.c 2972fa91d15SJani Nikula :export: 2982fa91d15SJani Nikula 2993ad33ae2SThierry RedingSCDC Helper Functions Reference 3003ad33ae2SThierry Reding=============================== 3013ad33ae2SThierry Reding 3023ad33ae2SThierry Reding.. kernel-doc:: drivers/gpu/drm/drm_scdc_helper.c 3033ad33ae2SThierry Reding :doc: scdc helpers 3043ad33ae2SThierry Reding 3053ad33ae2SThierry Reding.. kernel-doc:: include/drm/drm_scdc_helper.h 3063ad33ae2SThierry Reding :internal: 3073ad33ae2SThierry Reding 3083ad33ae2SThierry Reding.. kernel-doc:: drivers/gpu/drm/drm_scdc_helper.c 3093ad33ae2SThierry Reding :export: 3103ad33ae2SThierry Reding 3112fa91d15SJani NikulaHDMI Infoframes Helper Reference 3122fa91d15SJani Nikula================================ 3132fa91d15SJani Nikula 3142fa91d15SJani NikulaStrictly speaking this is not a DRM helper library but generally useable 3152fa91d15SJani Nikulaby any driver interfacing with HDMI outputs like v4l or alsa drivers. 3162fa91d15SJani NikulaBut it nicely fits into the overall topic of mode setting helper 3172fa91d15SJani Nikulalibraries and hence is also included here. 3182fa91d15SJani Nikula 3192fa91d15SJani Nikula.. kernel-doc:: include/linux/hdmi.h 3202fa91d15SJani Nikula :internal: 3212fa91d15SJani Nikula 3222fa91d15SJani Nikula.. kernel-doc:: drivers/video/hdmi.c 3232fa91d15SJani Nikula :export: 3242fa91d15SJani Nikula 3255d0aa378SDaniel VetterRectangle Utilities Reference 3265d0aa378SDaniel Vetter============================= 3275d0aa378SDaniel Vetter 3285d0aa378SDaniel Vetter.. kernel-doc:: include/drm/drm_rect.h 3295d0aa378SDaniel Vetter :doc: rect utils 3305d0aa378SDaniel Vetter 3315d0aa378SDaniel Vetter.. kernel-doc:: include/drm/drm_rect.h 3325d0aa378SDaniel Vetter :internal: 3335d0aa378SDaniel Vetter 3345d0aa378SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_rect.c 3355d0aa378SDaniel Vetter :export: 3365d0aa378SDaniel Vetter 337bcb32b69SDaniel VetterFlip-work Helper Reference 338bcb32b69SDaniel Vetter========================== 339bcb32b69SDaniel Vetter 340bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_flip_work.h 341bcb32b69SDaniel Vetter :doc: flip utils 342bcb32b69SDaniel Vetter 343bcb32b69SDaniel Vetter.. kernel-doc:: include/drm/drm_flip_work.h 344bcb32b69SDaniel Vetter :internal: 345bcb32b69SDaniel Vetter 346bcb32b69SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_flip_work.c 347bcb32b69SDaniel Vetter :export: 348bcb32b69SDaniel Vetter 3491de72fafSDaniel VetterAuxiliary Modeset Helpers 3501de72fafSDaniel Vetter========================= 3511de72fafSDaniel Vetter 3521de72fafSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_modeset_helper.c 3531de72fafSDaniel Vetter :doc: aux kms helpers 3541de72fafSDaniel Vetter 3551de72fafSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_modeset_helper.c 3561de72fafSDaniel Vetter :export: 3574c3dbb2cSNoralf Trønnes 3587f9e7ec9SDaniel VetterOF/DT Helpers 3597f9e7ec9SDaniel Vetter============= 3607f9e7ec9SDaniel Vetter 3617f9e7ec9SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_of.c 3627f9e7ec9SDaniel Vetter :doc: overview 3637f9e7ec9SDaniel Vetter 3647f9e7ec9SDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_of.c 3657f9e7ec9SDaniel Vetter :export: 3667f9e7ec9SDaniel Vetter 3675fca5eceSDaniel VetterLegacy Plane Helper Reference 3685fca5eceSDaniel Vetter============================= 3695fca5eceSDaniel Vetter 3705fca5eceSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_plane_helper.c 3715fca5eceSDaniel Vetter :doc: overview 3725fca5eceSDaniel Vetter 3735fca5eceSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_plane_helper.c 3745fca5eceSDaniel Vetter :export: 3755fca5eceSDaniel Vetter 3765fca5eceSDaniel VetterLegacy CRTC/Modeset Helper Functions Reference 3775fca5eceSDaniel Vetter============================================== 3785fca5eceSDaniel Vetter 3795fca5eceSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_crtc_helper.c 3805fca5eceSDaniel Vetter :doc: overview 3815fca5eceSDaniel Vetter 3825fca5eceSDaniel Vetter.. kernel-doc:: drivers/gpu/drm/drm_crtc_helper.c 3835fca5eceSDaniel Vetter :export: 3842194a63aSNoralf Trønnes 3852194a63aSNoralf TrønnesSHMEM GEM Helper Reference 3862194a63aSNoralf Trønnes========================== 3872194a63aSNoralf Trønnes 3882194a63aSNoralf Trønnes.. kernel-doc:: drivers/gpu/drm/drm_gem_shmem_helper.c 3892194a63aSNoralf Trønnes :doc: overview 3902194a63aSNoralf Trønnes 3912194a63aSNoralf Trønnes.. kernel-doc:: include/drm/drm_gem_shmem_helper.h 3922194a63aSNoralf Trønnes :internal: 3932194a63aSNoralf Trønnes 3942194a63aSNoralf Trønnes.. kernel-doc:: drivers/gpu/drm/drm_gem_shmem_helper.c 3952194a63aSNoralf Trønnes :export: 396