Hi Boris, [auto build test ERROR on robh/for-next] [also build test ERROR on v4.12-rc3 next-20170602] [cannot apply to drm/drm-next drm-intel/for-linux-next] [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/Boris-Brezillon/drm-bridge-Add-Cadence-DSI-driver/20170602-162006 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: i386-allmodconfig (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 errors (new ones prefixed by >>): drivers/gpu/drm/bridge/cdns-dsi.c: In function 'cdns_dsi_bridge_attach': >> drivers/gpu/drm/bridge/cdns-dsi.c:550:27: error: passing argument 1 of 'drm_bridge_attach' from incompatible pointer type [-Werror=incompatible-pointer-types] ret = drm_bridge_attach(bridge->dev, output->bridge); ^~~~~~ In file included from include/drm/drm_crtc.h:43:0, from include/drm/drm_atomic_helper.h:31, from drivers/gpu/drm/bridge/cdns-dsi.c:19: include/drm/drm_bridge.h:210:5: note: expected 'struct drm_encoder *' but argument is of type 'struct drm_device *' int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge, ^~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/bridge/cdns-dsi.c:550:9: error: too few arguments to function 'drm_bridge_attach' ret = drm_bridge_attach(bridge->dev, output->bridge); ^~~~~~~~~~~~~~~~~ In file included from include/drm/drm_crtc.h:43:0, from include/drm/drm_atomic_helper.h:31, from drivers/gpu/drm/bridge/cdns-dsi.c:19: include/drm/drm_bridge.h:210:5: note: declared here int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge, ^~~~~~~~~~~~~~~~~ drivers/gpu/drm/bridge/cdns-dsi.c: In function 'cdns_dsi_bridge_detach': >> drivers/gpu/drm/bridge/cdns-dsi.c:566:3: error: implicit declaration of function 'drm_bridge_detach' [-Werror=implicit-function-declaration] drm_bridge_detach(output->bridge); ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors coccinelle warnings: (new ones prefixed by >>) >> drivers/gpu/drm/bridge/cdns-dsi.c:980:5-11: inconsistent IS_ERR and PTR_ERR on line 981. Please review and possibly fold the followup patch. vim +/drm_bridge_attach +550 drivers/gpu/drm/bridge/cdns-dsi.c 544 case CDNS_DSI_PANEL: 545 ret = cdns_dsi_output_attach_panel(output); 546 break; 547 548 case CDNS_DSI_BRIDGE: 549 output->bridge->encoder = bridge->encoder; > 550 ret = drm_bridge_attach(bridge->dev, output->bridge); 551 break; 552 553 default: 554 ret = -ENOTSUPP; 555 } 556 557 return ret; 558 } 559 560 static void cdns_dsi_bridge_detach(struct drm_bridge *bridge) 561 { 562 struct cdns_dsi_input *input = bridge_to_cdns_dsi_input(bridge); 563 struct cdns_dsi_output *output = input->dsi->output; 564 565 if (output->type == CDNS_DSI_BRIDGE && output->bridge->dev) > 566 drm_bridge_detach(output->bridge); 567 } 568 569 static bool cdns_dsi_bridge_mode_fixup(struct drm_bridge *bridge, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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