Hi Maxime, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to shawnguo/for-next drm-intel/for-linux-next linus/master anholt/for-next v5.9-rc6 next-20200925] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Maxime-Ripard/drm-vc4-hdmi-Support-the-10-12-bit-output/20200925-151211 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/1ceb933c2a3dd89451b7563e66097d05e1df8d2e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Maxime-Ripard/drm-vc4-hdmi-Support-the-10-12-bit-output/20200925-151211 git checkout 1ceb933c2a3dd89451b7563e66097d05e1df8d2e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/gpu/drm/imx/dcss/dcss-crtc.c: In function 'dcss_crtc_atomic_enable': >> drivers/gpu/drm/imx/dcss/dcss-crtc.c:82:42: error: implicit declaration of function 'drm_atomic_get_old_crtc_state' [-Werror=implicit-function-declaration] 82 | struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/imx/dcss/dcss-crtc.c:82:42: warning: initialization of 'struct drm_crtc_state *' from 'int' makes pointer from integer without a cast [-Wint-conversion] drivers/gpu/drm/imx/dcss/dcss-crtc.c: In function 'dcss_crtc_atomic_disable': drivers/gpu/drm/imx/dcss/dcss-crtc.c:118:42: warning: initialization of 'struct drm_crtc_state *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 118 | struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/drm_atomic_get_old_crtc_state +82 drivers/gpu/drm/imx/dcss/dcss-crtc.c 78 79 static void dcss_crtc_atomic_enable(struct drm_crtc *crtc, 80 struct drm_atomic_state *state) 81 { > 82 struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state, 83 crtc); 84 struct dcss_crtc *dcss_crtc = container_of(crtc, struct dcss_crtc, 85 base); 86 struct dcss_dev *dcss = dcss_crtc->base.dev->dev_private; 87 struct drm_display_mode *mode = &crtc->state->adjusted_mode; 88 struct drm_display_mode *old_mode = &old_crtc_state->adjusted_mode; 89 struct videomode vm; 90 91 drm_display_mode_to_videomode(mode, &vm); 92 93 pm_runtime_get_sync(dcss->dev); 94 95 vm.pixelclock = mode->crtc_clock * 1000; 96 97 dcss_ss_subsam_set(dcss->ss); 98 dcss_dtg_css_set(dcss->dtg); 99 100 if (!drm_mode_equal(mode, old_mode) || !old_crtc_state->active) { 101 dcss_dtg_sync_set(dcss->dtg, &vm); 102 dcss_ss_sync_set(dcss->ss, &vm, 103 mode->flags & DRM_MODE_FLAG_PHSYNC, 104 mode->flags & DRM_MODE_FLAG_PVSYNC); 105 } 106 107 dcss_enable_dtg_and_ss(dcss); 108 109 dcss_ctxld_enable(dcss->ctxld); 110 111 /* Allow CTXLD kick interrupt to be disabled when VBLANK is disabled. */ 112 dcss_crtc->disable_ctxld_kick_irq = true; 113 } 114 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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