Hi Noralf, I love your patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on v4.14-rc8 next-20171106] [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/Noralf-Tr-nnes/drm-Add-simple-modeset-suspend-resume-helpers/20171107-141931 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: x86_64-randconfig-x000-201745 (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=x86_64 All errors (new ones prefixed by >>): drivers/gpu/drm/drm_modeset_helper.c: In function 'drm_mode_config_helper_suspend': >> drivers/gpu/drm/drm_modeset_helper.c:186:40: error: 'struct drm_device' has no member named 'fb_helper' drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 1); ^~ drivers/gpu/drm/drm_modeset_helper.c:189:41: error: 'struct drm_device' has no member named 'fb_helper' drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 0); ^~ drivers/gpu/drm/drm_modeset_helper.c: In function 'drm_mode_config_helper_resume': drivers/gpu/drm/drm_modeset_helper.c:229:40: error: 'struct drm_device' has no member named 'fb_helper' drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 0); ^~ vim +186 drivers/gpu/drm/drm_modeset_helper.c 162 163 /** 164 * drm_mode_config_helper_suspend - Modeset suspend helper 165 * @dev: DRM device 166 * 167 * This helper function takes care of suspending the modeset side. It disables 168 * output polling if initialized, suspends fbdev if used and finally calls 169 * drm_atomic_helper_suspend(). 170 * If suspending fails, fbdev and polling is re-enabled. 171 * 172 * Returns: 173 * Zero on success, negative error code on error. 174 * 175 * See also: 176 * drm_kms_helper_poll_disable() and drm_fb_helper_set_suspend_unlocked(). 177 */ 178 int drm_mode_config_helper_suspend(struct drm_device *dev) 179 { 180 struct drm_atomic_state *state; 181 182 if (!dev) 183 return 0; 184 185 drm_kms_helper_poll_disable(dev); > 186 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 1); 187 state = drm_atomic_helper_suspend(dev); 188 if (IS_ERR(state)) { 189 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 0); 190 drm_kms_helper_poll_enable(dev); 191 return PTR_ERR(state); 192 } 193 194 dev->mode_config.suspend_state = state; 195 196 return 0; 197 } 198 EXPORT_SYMBOL(drm_mode_config_helper_suspend); 199 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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