Hi Daniel, [auto build test ERROR on drm/drm-next] [also build test ERROR on next-20161215] [cannot apply to v4.9] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm-Convert-all-helpers-to-drm_connector_list_iter/20161216-061508 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: i386-randconfig-x003-201650 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): drivers/gpu/drm/drm_crtc_helper.c: In function 'drm_helper_encoder_in_use': >> drivers/gpu/drm/drm_crtc_helper.c:91:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:104:2: error: implicit declaration of function 'drm_connector_list_iter_get' [-Werror=implicit-function-declaration] drm_connector_list_iter_get(dev, &conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:105:2: error: implicit declaration of function 'drm_for_each_connector_iter' [-Werror=implicit-function-declaration] drm_for_each_connector_iter(connector, &conn_iter) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:105:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_crtc_helper.c:91:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c: In function 'drm_crtc_helper_disable': drivers/gpu/drm/drm_crtc_helper.c:446:34: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:452:54: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_crtc_helper.c:446:34: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c: In function 'drm_crtc_helper_set_config': drivers/gpu/drm/drm_crtc_helper.c:521:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:588:3: error: expected ';' before 'save_connector_encoders' save_connector_encoders[count++] = connector->encoder; ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:589:2: error: implicit declaration of function 'drm_connector_list_iter_put' [-Werror=implicit-function-declaration] drm_connector_list_iter_put(&conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:633:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_crtc_helper.c:675:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ >> drivers/gpu/drm/drm_crtc_helper.c:767:3: error: expected ';' before 'connector' connector->encoder = save_connector_encoders[count++]; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:521:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:517:49: warning: unused variable 'new_encoder' [-Wunused-variable] struct drm_encoder **save_connector_encoders, *new_encoder, *encoder; ^~~~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:516:41: warning: unused variable 'new_crtc' [-Wunused-variable] struct drm_crtc **save_encoder_crtcs, *new_crtc; ^~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c: In function 'drm_helper_choose_encoder_dpms': drivers/gpu/drm/drm_crtc_helper.c:795:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_crtc_helper.c:32: >> include/linux/compiler.h:149:2: error: expected ';' before 'if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ include/linux/compiler.h:147:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ >> drivers/gpu/drm/drm_crtc_helper.c:800:3: note: in expansion of macro 'if' if (connector->encoder == encoder) ^~ drivers/gpu/drm/drm_crtc_helper.c:795:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c: In function 'drm_helper_choose_crtc_dpms': drivers/gpu/drm/drm_crtc_helper.c:836:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from drivers/gpu/drm/drm_crtc_helper.c:32: >> include/linux/compiler.h:149:2: error: expected ';' before 'if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ include/linux/compiler.h:147:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ drivers/gpu/drm/drm_crtc_helper.c:841:3: note: in expansion of macro 'if' if (connector->encoder && connector->encoder->crtc == crtc) ^~ drivers/gpu/drm/drm_crtc_helper.c:836:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ cc1: some warnings being treated as errors -- drivers/gpu/drm/drm_probe_helper.c: In function 'drm_kms_helper_poll_enable_locked': >> drivers/gpu/drm/drm_probe_helper.c:132:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_probe_helper.c:140:2: error: implicit declaration of function 'drm_connector_list_iter_get' [-Werror=implicit-function-declaration] drm_connector_list_iter_get(dev, &conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_probe_helper.c:141:2: error: implicit declaration of function 'drm_for_each_connector_iter' [-Werror=implicit-function-declaration] drm_for_each_connector_iter(connector, &conn_iter) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_probe_helper.c:141:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_probe_helper.c:132:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c: In function 'output_poll_execute': drivers/gpu/drm/drm_probe_helper.c:388:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c:405:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_probe_helper.c:389:28: warning: unused variable 'old_status' [-Wunused-variable] enum drm_connector_status old_status; ^~~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c:388:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c: In function 'drm_helper_hpd_irq_event': drivers/gpu/drm/drm_probe_helper.c:570:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c:579:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_probe_helper.c:571:28: warning: unused variable 'old_status' [-Wunused-variable] enum drm_connector_status old_status; ^~~~~~~~~~ drivers/gpu/drm/drm_probe_helper.c:570:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ cc1: some warnings being treated as errors -- drivers/gpu/drm/drm_plane_helper.c: In function 'get_connectors_for_crtc': >> drivers/gpu/drm/drm_plane_helper.c:77:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_plane_helper.c:87:2: error: implicit declaration of function 'drm_connector_list_iter_get' [-Werror=implicit-function-declaration] drm_connector_list_iter_get(dev, &conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_plane_helper.c:88:2: error: implicit declaration of function 'drm_for_each_connector_iter' [-Werror=implicit-function-declaration] drm_for_each_connector_iter(connector, &conn_iter) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_plane_helper.c:88:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_plane_helper.c:77:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ cc1: some warnings being treated as errors -- drivers/gpu/drm/drm_atomic_helper.c: In function 'handle_conflicting_encoders': >> drivers/gpu/drm/drm_atomic_helper.c:97:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_atomic_helper.c:148:2: error: implicit declaration of function 'drm_connector_list_iter_get' [-Werror=implicit-function-declaration] drm_connector_list_iter_get(state->dev, &conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_atomic_helper.c:149:2: error: implicit declaration of function 'drm_for_each_connector_iter' [-Werror=implicit-function-declaration] drm_for_each_connector_iter(connector, &conn_iter) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_atomic_helper.c:149:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ drivers/gpu/drm/drm_atomic_helper.c:98:22: warning: unused variable 'encoder' [-Wunused-variable] struct drm_encoder *encoder; ^~~~~~~ drivers/gpu/drm/drm_atomic_helper.c:97:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_disable_all': drivers/gpu/drm/drm_atomic_helper.c:2452:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c:2462:48: error: expected ';' before '{' token drm_for_each_connector_iter(conn, &conn_iter) { ^ >> drivers/gpu/drm/drm_atomic_helper.c:2480:2: error: implicit declaration of function 'drm_connector_list_iter_put' [-Werror=implicit-function-declaration] drm_connector_list_iter_put(&conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c:2479:1: warning: label 'free' defined but not used [-Wunused-label] free: ^~~~ drivers/gpu/drm/drm_atomic_helper.c:2452:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_connector_dpms': drivers/gpu/drm/drm_atomic_helper.c:2853:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c:2882:57: error: expected ';' before '{' token drm_for_each_connector_iter(tmp_connector, &conn_iter) { ^ drivers/gpu/drm/drm_atomic_helper.c:2853:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_duplicate_state': drivers/gpu/drm/drm_atomic_helper.c:3269:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ drivers/gpu/drm/drm_atomic_helper.c:3301:48: error: expected ';' before '{' token drm_for_each_connector_iter(conn, &conn_iter) { ^ drivers/gpu/drm/drm_atomic_helper.c:3269:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ cc1: some warnings being treated as errors -- drivers/gpu/drm/drm_modeset_helper.c: In function 'drm_helper_move_panel_connectors_to_head': >> drivers/gpu/drm/drm_modeset_helper.c:51:33: error: 'struct drm_mode_config' has no member named 'connector_list_lock'; did you mean 'connector_list'? spin_lock_irq(&dev->mode_config.connector_list_lock); ^ drivers/gpu/drm/drm_modeset_helper.c:61:35: error: 'struct drm_mode_config' has no member named 'connector_list_lock'; did you mean 'connector_list'? spin_unlock_irq(&dev->mode_config.connector_list_lock); ^ -- drivers/gpu/drm/drm_fb_helper.c: In function 'drm_fb_helper_single_add_all_connectors': >> drivers/gpu/drm/drm_fb_helper.c:123:33: error: storage size of 'conn_iter' isn't known struct drm_connector_list_iter conn_iter; ^~~~~~~~~ >> drivers/gpu/drm/drm_fb_helper.c:130:2: error: implicit declaration of function 'drm_connector_list_iter_get' [-Werror=implicit-function-declaration] drm_connector_list_iter_get(dev, &conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_fb_helper.c:131:2: error: implicit declaration of function 'drm_for_each_connector_iter' [-Werror=implicit-function-declaration] drm_for_each_connector_iter(connector, &conn_iter) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/drm_fb_helper.c:131:53: error: expected ';' before '{' token drm_for_each_connector_iter(connector, &conn_iter) { ^ >> drivers/gpu/drm/drm_fb_helper.c:151:2: error: implicit declaration of function 'drm_connector_list_iter_put' [-Werror=implicit-function-declaration] drm_connector_list_iter_put(&conn_iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_fb_helper.c:150:1: warning: label 'out' defined but not used [-Wunused-label] out: ^~~ drivers/gpu/drm/drm_fb_helper.c:139:1: warning: label 'fail' defined but not used [-Wunused-label] fail: ^~~~ drivers/gpu/drm/drm_fb_helper.c:123:33: warning: unused variable 'conn_iter' [-Wunused-variable] struct drm_connector_list_iter conn_iter; ^~~~~~~~~ cc1: some warnings being treated as errors vim +91 drivers/gpu/drm/drm_crtc_helper.c 26 * Keith Packard 27 * Eric Anholt <eric@xxxxxxxxxx> 28 * Dave Airlie <airlied@xxxxxxxx> 29 * Jesse Barnes <jesse.barnes@xxxxxxxxx> 30 */ 31 > 32 #include <linux/kernel.h> 33 #include <linux/export.h> 34 #include <linux/moduleparam.h> 35 36 #include <drm/drmP.h> 37 #include <drm/drm_atomic.h> 38 #include <drm/drm_crtc.h> 39 #include <drm/drm_fourcc.h> 40 #include <drm/drm_crtc_helper.h> 41 #include <drm/drm_fb_helper.h> 42 #include <drm/drm_plane_helper.h> 43 #include <drm/drm_atomic_helper.h> 44 #include <drm/drm_edid.h> 45 46 /** 47 * DOC: overview 48 * 49 * The CRTC modeset helper library provides a default set_config implementation 50 * in drm_crtc_helper_set_config(). Plus a few other convenience functions using 51 * the same callbacks which drivers can use to e.g. restore the modeset 52 * configuration on resume with drm_helper_resume_force_mode(). 53 * 54 * Note that this helper library doesn't track the current power state of CRTCs 55 * and encoders. It can call callbacks like ->dpms() even though the hardware is 56 * already in the desired state. This deficiency has been fixed in the atomic 57 * helpers. 58 * 59 * The driver callbacks are mostly compatible with the atomic modeset helpers, 60 * except for the handling of the primary plane: Atomic helpers require that the 61 * primary plane is implemented as a real standalone plane and not directly tied 62 * to the CRTC state. For easier transition this library provides functions to 63 * implement the old semantics required by the CRTC helpers using the new plane 64 * and atomic helper callbacks. 65 * 66 * Drivers are strongly urged to convert to the atomic helpers (by way of first 67 * converting to the plane helpers). New drivers must not use these functions 68 * but need to implement the atomic interface instead, potentially using the 69 * atomic helpers for that. 70 * 71 * These legacy modeset helpers use the same function table structures as 72 * all other modesetting helpers. See the documentation for struct 73 * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct 74 * &drm_connector_helper_funcs. 75 */ 76 77 /** 78 * drm_helper_encoder_in_use - check if a given encoder is in use 79 * @encoder: encoder to check 80 * 81 * Checks whether @encoder is with the current mode setting output configuration 82 * in use by any connector. This doesn't mean that it is actually enabled since 83 * the DPMS state is tracked separately. 84 * 85 * Returns: 86 * True if @encoder is used, false otherwise. 87 */ 88 bool drm_helper_encoder_in_use(struct drm_encoder *encoder) 89 { 90 struct drm_connector *connector; > 91 struct drm_connector_list_iter conn_iter; 92 struct drm_device *dev = encoder->dev; 93 94 /* 95 * We can expect this mutex to be locked if we are not panicking. 96 * Locking is currently fubar in the panic handler. 97 */ 98 if (!oops_in_progress) { 99 WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); 100 WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); 101 } 102 103 > 104 drm_connector_list_iter_get(dev, &conn_iter); > 105 drm_for_each_connector_iter(connector, &conn_iter) { 106 if (connector->encoder == encoder) { 107 drm_connector_list_iter_put(&conn_iter); 108 return true; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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