CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: KuoHsiang Chou <kuohsiang_c...@aspeedtech.com> CC: Thomas Zimmermann <tzimmerm...@suse.de>
tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next head: d7442505de9259f8b975232470378d399c25b2fa commit: 594e9c04b5864b4b8b151ef4ba9521c59e0f5c54 [1/7] drm/ast: Create the driver for ASPEED proprietory Display-Port :::::: branch date: 20 hours ago :::::: commit date: 20 hours ago config: ia64-randconfig-m031-20220501 (https://download.01.org/0day-ci/archive/20220504/202205041752.s96jbppp-...@intel.com/config) compiler: ia64-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: drivers/gpu/drm/ast/ast_mode.c:1019 ast_crtc_dpms() warn: ignoring unreachable code. vim +1019 drivers/gpu/drm/ast/ast_mode.c 616048af6dde5c Thomas Zimmermann 2021-02-09 983 a6ff807b71e3ff Thomas Zimmermann 2019-11-07 984 /* a6ff807b71e3ff Thomas Zimmermann 2019-11-07 985 * CRTC a6ff807b71e3ff Thomas Zimmermann 2019-11-07 986 */ a6ff807b71e3ff Thomas Zimmermann 2019-11-07 987 312fec1405dd54 Dave Airlie 2012-02-29 988 static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) 312fec1405dd54 Dave Airlie 2012-02-29 989 { fa7dbd7688849d Thomas Zimmermann 2020-06-17 990 struct ast_private *ast = to_ast_private(crtc->dev); 594e9c04b5864b KuoHsiang Chou 2022-04-28 991 u8 ch = AST_DPMS_VSYNC_OFF | AST_DPMS_HSYNC_OFF; 312fec1405dd54 Dave Airlie 2012-02-29 992 2fbeec03e17165 Thomas Zimmermann 2019-12-02 993 /* TODO: Maybe control display signal generation with 2fbeec03e17165 Thomas Zimmermann 2019-12-02 994 * Sync Enable (bit CR17.7). 2fbeec03e17165 Thomas Zimmermann 2019-12-02 995 */ 312fec1405dd54 Dave Airlie 2012-02-29 996 switch (mode) { 312fec1405dd54 Dave Airlie 2012-02-29 997 case DRM_MODE_DPMS_ON: 594e9c04b5864b KuoHsiang Chou 2022-04-28 998 ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0); 594e9c04b5864b KuoHsiang Chou 2022-04-28 999 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, 0); 83c6620bae3f14 Dave Airlie 2014-03-28 1000 if (ast->tx_chip_type == AST_TX_DP501) 83c6620bae3f14 Dave Airlie 2014-03-28 1001 ast_set_dp501_video_output(crtc->dev, 1); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1002 594e9c04b5864b KuoHsiang Chou 2022-04-28 1003 if (ast->tx_chip_type == AST_TX_ASTDP) { 594e9c04b5864b KuoHsiang Chou 2022-04-28 1004 ast_dp_power_on_off(crtc->dev, AST_DP_POWER_ON); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1005 ast_wait_for_vretrace(ast); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1006 ast_dp_set_on_off(crtc->dev, 1); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1007 } 594e9c04b5864b KuoHsiang Chou 2022-04-28 1008 594e9c04b5864b KuoHsiang Chou 2022-04-28 1009 ast_crtc_load_lut(ast, crtc); 312fec1405dd54 Dave Airlie 2012-02-29 1010 break; 594e9c04b5864b KuoHsiang Chou 2022-04-28 1011 case DRM_MODE_DPMS_STANDBY: 594e9c04b5864b KuoHsiang Chou 2022-04-28 1012 case DRM_MODE_DPMS_SUSPEND: 312fec1405dd54 Dave Airlie 2012-02-29 1013 case DRM_MODE_DPMS_OFF: 594e9c04b5864b KuoHsiang Chou 2022-04-28 1014 ch = mode; 83c6620bae3f14 Dave Airlie 2014-03-28 1015 if (ast->tx_chip_type == AST_TX_DP501) 83c6620bae3f14 Dave Airlie 2014-03-28 1016 ast_set_dp501_video_output(crtc->dev, 0); 312fec1405dd54 Dave Airlie 2012-02-29 1017 break; 594e9c04b5864b KuoHsiang Chou 2022-04-28 1018 594e9c04b5864b KuoHsiang Chou 2022-04-28 @1019 if (ast->tx_chip_type == AST_TX_ASTDP) { 594e9c04b5864b KuoHsiang Chou 2022-04-28 1020 ast_dp_set_on_off(crtc->dev, 0); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1021 ast_dp_power_on_off(crtc->dev, AST_DP_POWER_OFF); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1022 } 594e9c04b5864b KuoHsiang Chou 2022-04-28 1023 594e9c04b5864b KuoHsiang Chou 2022-04-28 1024 ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x01, 0xdf, 0x20); 594e9c04b5864b KuoHsiang Chou 2022-04-28 1025 ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xfc, ch); 312fec1405dd54 Dave Airlie 2012-02-29 1026 } 312fec1405dd54 Dave Airlie 2012-02-29 1027 } 312fec1405dd54 Dave Airlie 2012-02-29 1028 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
