CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: "sw.multimedia" <sw.multime...@starfivetech.com> CC: Emil Renner Berthing <ker...@esmil.dk> CC: "jack.zhu" <jack....@starfivetech.com> CC: "keith.zhao" <keith.z...@starfivetech.com>
tree: https://github.com/esmil/linux visionfive head: 243ce759ed5821edf38bf93ce7325e232b805547 commit: ff7b52d6645f1ac8de82b3c80e87e21d73584a50 [48/61] drm/i2c/tda998x: Hardcode register values for Starlight :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: riscv-randconfig-c006-20220322 (https://download.01.org/0day-ci/archive/20220324/202203241430.0xwqwiwf-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 902f4708fe1d03b0de7e5315ef875006a6adc319) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/esmil/linux/commit/ff7b52d6645f1ac8de82b3c80e87e21d73584a50 git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout ff7b52d6645f1ac8de82b3c80e87e21d73584a50 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) ^ include/asm-generic/bug.h:166:25: note: expanded from macro 'WARN_ON' int __ret_warn_on = !!(condition); \ ^~~~~~~~~ drivers/net/ieee802154/fakelb.c:45:9: note: Dereference of null pointer (loaded from variable 'level') *level = 0xbe; ~~~~~ ^ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 10 warnings generated. drivers/net/ieee802154/atusb.c:155:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:155:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:263:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:263:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:284:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = urb->dev; ^~~~~~~ ~~~~~~~~ drivers/net/ieee802154/atusb.c:284:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = urb->dev; ^~~~~~~ ~~~~~~~~ drivers/net/ieee802154/atusb.c:322:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = urb->dev; ^~~~~~~ ~~~~~~~~ drivers/net/ieee802154/atusb.c:322:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = urb->dev; ^~~~~~~ ~~~~~~~~ drivers/net/ieee802154/atusb.c:407:9: warning: Dereference of null pointer (loaded from variable 'level') [clang-analyzer-core.NullDereference] *level = 0xbe; ~~~~~ ^ drivers/net/ieee802154/atusb.c:406:10: note: Assuming 'level' is null WARN_ON(!level); ^ include/asm-generic/bug.h:166:25: note: expanded from macro 'WARN_ON' int __ret_warn_on = !!(condition); \ ^~~~~~~~~ drivers/net/ieee802154/atusb.c:407:9: note: Dereference of null pointer (loaded from variable 'level') *level = 0xbe; ~~~~~ ^ drivers/net/ieee802154/atusb.c:416:17: warning: Value stored to 'dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = &atusb->usb_dev->dev; ^~~ ~~~~~~~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:416:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = &atusb->usb_dev->dev; ^~~ ~~~~~~~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:457:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:457:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:472:21: warning: Value stored to 'usb_dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ drivers/net/ieee802154/atusb.c:472:21: note: Value stored to 'usb_dev' during its initialization is never read struct usb_device *usb_dev = atusb->usb_dev; ^~~~~~~ ~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. >> drivers/gpu/drm/i2c/tda998x_drv.c:1605:3: warning: Value stored to 'reg' is >> never read [clang-analyzer-deadcode.DeadStores] reg |= VIP_CNTRL_3_V_TGL; ^ drivers/gpu/drm/i2c/tda998x_drv.c:1605:3: note: Value stored to 'reg' is never read Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c:205:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = regulator_bulk_disable(ARRAY_SIZE(boe->vregs), boe->vregs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c:205:2: note: Value stored to 'ret' is never read ret = regulator_bulk_disable(ARRAY_SIZE(boe->vregs), boe->vregs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. drivers/soc/qcom/qmi_encdec.c:332:4: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores] rc = qmi_encode_basic_elem(&opt_flag_value, buf_src, ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/soc/qcom/qmi_encdec.c:332:4: note: Value stored to 'rc' is never read rc = qmi_encode_basic_elem(&opt_flag_value, buf_src, ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. drivers/usb/storage/shuttle_usbat.c:414:4: warning: Value stored to 'result' is never read [clang-analyzer-deadcode.DeadStores] result = usbat_read(us, USBAT_ATA, 0x10, status); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/storage/shuttle_usbat.c:414:4: note: Value stored to 'result' is never read result = usbat_read(us, USBAT_ATA, 0x10, status); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. drivers/usb/misc/usbtest.c:369:3: warning: Null pointer passed as 1st argument to memory set function [clang-analyzer-unix.cstring.NullArg] memset(buf, 0, len); ^ drivers/usb/misc/usbtest.c:2190:6: note: Assuming field 'iterations' is > 0 vim +/reg +1605 drivers/gpu/drm/i2c/tda998x_drv.c e7792ce2da5ded8 Rob Clark 2013-01-08 1429 30bd8b862f5466f Russell King 2018-08-02 1430 static void tda998x_bridge_mode_set(struct drm_bridge *bridge, 63f8f3badf799c8 Laurent Pinchart 2018-04-06 1431 const struct drm_display_mode *mode, 63f8f3badf799c8 Laurent Pinchart 2018-04-06 1432 const struct drm_display_mode *adjusted_mode) e7792ce2da5ded8 Rob Clark 2013-01-08 1433 { 30bd8b862f5466f Russell King 2018-08-02 1434 struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); 926a299c42e38bb Russell King 2018-08-02 1435 unsigned long tmds_clock; e66e03abf80f701 Russell King 2015-06-06 1436 u16 ref_pix, ref_line, n_pix, n_line; e66e03abf80f701 Russell King 2015-06-06 1437 u16 hs_pix_s, hs_pix_e; e66e03abf80f701 Russell King 2015-06-06 1438 u16 vs1_pix_s, vs1_pix_e, vs1_line_s, vs1_line_e; e66e03abf80f701 Russell King 2015-06-06 1439 u16 vs2_pix_s, vs2_pix_e, vs2_line_s, vs2_line_e; e66e03abf80f701 Russell King 2015-06-06 1440 u16 vwin1_line_s, vwin1_line_e; e66e03abf80f701 Russell King 2015-06-06 1441 u16 vwin2_line_s, vwin2_line_e; e66e03abf80f701 Russell King 2015-06-06 1442 u16 de_pix_s, de_pix_e; 2807ba75970367c Russell King 2018-07-08 1443 u8 reg, div, rep, sel_clk; e7792ce2da5ded8 Rob Clark 2013-01-08 1444 fcc22c5f9ddaa8d Russell King 2018-07-31 1445 /* fcc22c5f9ddaa8d Russell King 2018-07-31 1446 * Since we are "computer" like, our source invariably produces fcc22c5f9ddaa8d Russell King 2018-07-31 1447 * full-range RGB. If the monitor supports full-range, then use fcc22c5f9ddaa8d Russell King 2018-07-31 1448 * it, otherwise reduce to limited-range. fcc22c5f9ddaa8d Russell King 2018-07-31 1449 */ fcc22c5f9ddaa8d Russell King 2018-07-31 1450 priv->rgb_quant_range = fcc22c5f9ddaa8d Russell King 2018-07-31 1451 priv->connector.display_info.rgb_quant_range_selectable ? fcc22c5f9ddaa8d Russell King 2018-07-31 1452 HDMI_QUANTIZATION_RANGE_FULL : fcc22c5f9ddaa8d Russell King 2018-07-31 1453 drm_default_rgb_quant_range(adjusted_mode); e7792ce2da5ded8 Rob Clark 2013-01-08 1454 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1455 /* 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1456 * Internally TDA998x is using ITU-R BT.656 style sync but 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1457 * we get VESA style sync. TDA998x is using a reference pixel 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1458 * relative to ITU to sync to the input frame and for output 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1459 * sync generation. Currently, we are using reference detection 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1460 * from HS/VS, i.e. REFPIX/REFLINE denote frame start sync point 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1461 * which is position of rising VS with coincident rising HS. 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1462 * 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1463 * Now there is some issues to take care of: 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1464 * - HDMI data islands require sync-before-active 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1465 * - TDA998x register values must be > 0 to be enabled 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1466 * - REFLINE needs an additional offset of +1 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1467 * - REFPIX needs an addtional offset of +1 for UYUV and +3 for RGB 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1468 * 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1469 * So we add +1 to all horizontal and vertical register values, 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1470 * plus an additional +3 for REFPIX as we are using RGB input only. e7792ce2da5ded8 Rob Clark 2013-01-08 1471 */ 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1472 n_pix = mode->htotal; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1473 n_line = mode->vtotal; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1474 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1475 hs_pix_e = mode->hsync_end - mode->hdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1476 hs_pix_s = mode->hsync_start - mode->hdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1477 de_pix_e = mode->htotal; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1478 de_pix_s = mode->htotal - mode->hdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1479 ref_pix = 3 + hs_pix_s; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1480 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1481 /* 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1482 * Attached LCD controllers may generate broken sync. Allow 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1483 * those to adjust the position of the rising VS edge by adding 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1484 * HSKEW to ref_pix. 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1485 */ 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1486 if (adjusted_mode->flags & DRM_MODE_FLAG_HSKEW) 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1487 ref_pix += adjusted_mode->hskew; 179f1aa407b466c Sebastian Hesselbarth 2013-08-14 1488 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1489 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) == 0) { 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1490 ref_line = 1 + mode->vsync_start - mode->vdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1491 vwin1_line_s = mode->vtotal - mode->vdisplay - 1; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1492 vwin1_line_e = vwin1_line_s + mode->vdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1493 vs1_pix_s = vs1_pix_e = hs_pix_s; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1494 vs1_line_s = mode->vsync_start - mode->vdisplay; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1495 vs1_line_e = vs1_line_s + 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1496 mode->vsync_end - mode->vsync_start; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1497 vwin2_line_s = vwin2_line_e = 0; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1498 vs2_pix_s = vs2_pix_e = 0; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1499 vs2_line_s = vs2_line_e = 0; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1500 } else { 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1501 ref_line = 1 + (mode->vsync_start - mode->vdisplay)/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1502 vwin1_line_s = (mode->vtotal - mode->vdisplay)/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1503 vwin1_line_e = vwin1_line_s + mode->vdisplay/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1504 vs1_pix_s = vs1_pix_e = hs_pix_s; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1505 vs1_line_s = (mode->vsync_start - mode->vdisplay)/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1506 vs1_line_e = vs1_line_s + 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1507 (mode->vsync_end - mode->vsync_start)/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1508 vwin2_line_s = vwin1_line_s + mode->vtotal/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1509 vwin2_line_e = vwin2_line_s + mode->vdisplay/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1510 vs2_pix_s = vs2_pix_e = hs_pix_s + mode->htotal/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1511 vs2_line_s = vs1_line_s + mode->vtotal/2 ; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1512 vs2_line_e = vs2_line_s + 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1513 (mode->vsync_end - mode->vsync_start)/2; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1514 } e7792ce2da5ded8 Rob Clark 2013-01-08 1515 2807ba75970367c Russell King 2018-07-08 1516 /* 2807ba75970367c Russell King 2018-07-08 1517 * Select pixel repeat depending on the double-clock flag 2807ba75970367c Russell King 2018-07-08 1518 * (which means we have to repeat each pixel once.) 2807ba75970367c Russell King 2018-07-08 1519 */ 2807ba75970367c Russell King 2018-07-08 1520 rep = mode->flags & DRM_MODE_FLAG_DBLCLK ? 1 : 0; 2807ba75970367c Russell King 2018-07-08 1521 sel_clk = SEL_CLK_ENA_SC_CLK | SEL_CLK_SEL_CLK1 | 2807ba75970367c Russell King 2018-07-08 1522 SEL_CLK_SEL_VRF_CLK(rep ? 2 : 0); 2807ba75970367c Russell King 2018-07-08 1523 2807ba75970367c Russell King 2018-07-08 1524 /* the TMDS clock is scaled up by the pixel repeat */ 2807ba75970367c Russell King 2018-07-08 1525 tmds_clock = mode->clock * (1 + rep); 926a299c42e38bb Russell King 2018-08-02 1526 926a299c42e38bb Russell King 2018-08-02 1527 /* 926a299c42e38bb Russell King 2018-08-02 1528 * The divisor is power-of-2. The TDA9983B datasheet gives 926a299c42e38bb Russell King 2018-08-02 1529 * this as ranges of Msample/s, which is 10x the TMDS clock: 926a299c42e38bb Russell King 2018-08-02 1530 * 0 - 800 to 1500 Msample/s 926a299c42e38bb Russell King 2018-08-02 1531 * 1 - 400 to 800 Msample/s 926a299c42e38bb Russell King 2018-08-02 1532 * 2 - 200 to 400 Msample/s 926a299c42e38bb Russell King 2018-08-02 1533 * 3 - as 2 above 926a299c42e38bb Russell King 2018-08-02 1534 */ 926a299c42e38bb Russell King 2018-08-02 1535 for (div = 0; div < 3; div++) 926a299c42e38bb Russell King 2018-08-02 1536 if (80000 >> div <= tmds_clock) 926a299c42e38bb Russell King 2018-08-02 1537 break; e7792ce2da5ded8 Rob Clark 2013-01-08 1538 2cae8e028ecb440 Russell King 2016-11-02 1539 mutex_lock(&priv->audio_mutex); 2cae8e028ecb440 Russell King 2016-11-02 1540 2807ba75970367c Russell King 2018-07-08 1541 priv->tmds_clock = tmds_clock; 2807ba75970367c Russell King 2018-07-08 1542 e7792ce2da5ded8 Rob Clark 2013-01-08 1543 /* mute the audio FIFO: */ 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1544 reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); e7792ce2da5ded8 Rob Clark 2013-01-08 1545 e7792ce2da5ded8 Rob Clark 2013-01-08 1546 /* set HDMI HDCP mode off: */ 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1547 reg_write(priv, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1548 reg_clear(priv, REG_TX33, TX33_HDMI); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1549 reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(0)); e7792ce2da5ded8 Rob Clark 2013-01-08 1550 e7792ce2da5ded8 Rob Clark 2013-01-08 1551 /* no pre-filter or interpolator: */ 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1552 reg_write(priv, REG_HVF_CNTRL_0, HVF_CNTRL_0_PREFIL(0) | e7792ce2da5ded8 Rob Clark 2013-01-08 1553 HVF_CNTRL_0_INTPOL(0)); 9476ed2e3883b11 Russell King 2016-11-03 1554 reg_set(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_PREFILT); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1555 reg_write(priv, REG_VIP_CNTRL_5, VIP_CNTRL_5_SP_CNT(0)); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1556 reg_write(priv, REG_VIP_CNTRL_4, VIP_CNTRL_4_BLANKIT(0) | e7792ce2da5ded8 Rob Clark 2013-01-08 1557 VIP_CNTRL_4_BLC(0)); e7792ce2da5ded8 Rob Clark 2013-01-08 1558 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1559 reg_clear(priv, REG_PLL_SERIAL_1, PLL_SERIAL_1_SRL_MAN_IZ); a8b517e5312124e Jean-Francois Moine 2014-01-25 1560 reg_clear(priv, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_CCIR | a8b517e5312124e Jean-Francois Moine 2014-01-25 1561 PLL_SERIAL_3_SRL_DE); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1562 reg_write(priv, REG_SERIALIZER, 0); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1563 reg_write(priv, REG_HVF_CNTRL_1, HVF_CNTRL_1_VQR(0)); e7792ce2da5ded8 Rob Clark 2013-01-08 1564 2807ba75970367c Russell King 2018-07-08 1565 reg_write(priv, REG_RPT_CNTRL, RPT_CNTRL_REPEAT(rep)); 2807ba75970367c Russell King 2018-07-08 1566 reg_write(priv, REG_SEL_CLK, sel_clk); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1567 reg_write(priv, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(div) | e7792ce2da5ded8 Rob Clark 2013-01-08 1568 PLL_SERIAL_2_SRL_PR(rep)); e7792ce2da5ded8 Rob Clark 2013-01-08 1569 fcc22c5f9ddaa8d Russell King 2018-07-31 1570 /* set color matrix according to output rgb quant range */ fcc22c5f9ddaa8d Russell King 2018-07-31 1571 if (priv->rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) { fcc22c5f9ddaa8d Russell King 2018-07-31 1572 static u8 tda998x_full_to_limited_range[] = { fcc22c5f9ddaa8d Russell King 2018-07-31 1573 MAT_CONTRL_MAT_SC(2), fcc22c5f9ddaa8d Russell King 2018-07-31 1574 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, fcc22c5f9ddaa8d Russell King 2018-07-31 1575 0x03, 0x6f, 0x00, 0x00, 0x00, 0x00, fcc22c5f9ddaa8d Russell King 2018-07-31 1576 0x00, 0x00, 0x03, 0x6f, 0x00, 0x00, fcc22c5f9ddaa8d Russell King 2018-07-31 1577 0x00, 0x00, 0x00, 0x00, 0x03, 0x6f, fcc22c5f9ddaa8d Russell King 2018-07-31 1578 0x00, 0x40, 0x00, 0x40, 0x00, 0x40 fcc22c5f9ddaa8d Russell King 2018-07-31 1579 }; fcc22c5f9ddaa8d Russell King 2018-07-31 1580 reg_clear(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_CSC); fcc22c5f9ddaa8d Russell King 2018-07-31 1581 reg_write_range(priv, REG_MAT_CONTRL, fcc22c5f9ddaa8d Russell King 2018-07-31 1582 tda998x_full_to_limited_range, fcc22c5f9ddaa8d Russell King 2018-07-31 1583 sizeof(tda998x_full_to_limited_range)); fcc22c5f9ddaa8d Russell King 2018-07-31 1584 } else { 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1585 reg_write(priv, REG_MAT_CONTRL, MAT_CONTRL_MAT_BP | 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1586 MAT_CONTRL_MAT_SC(1)); 9476ed2e3883b11 Russell King 2016-11-03 1587 reg_set(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_CSC); fcc22c5f9ddaa8d Russell King 2018-07-31 1588 } e7792ce2da5ded8 Rob Clark 2013-01-08 1589 e7792ce2da5ded8 Rob Clark 2013-01-08 1590 /* set BIAS tmds value: */ 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1591 reg_write(priv, REG_ANA_GENERAL, 0x09); e7792ce2da5ded8 Rob Clark 2013-01-08 1592 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1593 /* 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1594 * Sync on rising HSYNC/VSYNC 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1595 */ 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1596 reg = VIP_CNTRL_3_SYNC_HS; 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1597 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1598 /* 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1599 * TDA19988 requires high-active sync at input stage, 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1600 * so invert low-active sync provided by master encoder here 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1601 */ 088d61d1fdfde56 Sebastian Hesselbarth 2013-08-14 1602 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1603 reg |= VIP_CNTRL_3_H_TGL; e7792ce2da5ded8 Rob Clark 2013-01-08 1604 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 @1605 reg |= VIP_CNTRL_3_V_TGL; ff7b52d6645f1ac sw.multimedia 2021-08-31 1606 //reg_write(priv, REG_VIP_CNTRL_3, reg); ff7b52d6645f1ac sw.multimedia 2021-08-31 1607 reg_write(priv, REG_VIP_CNTRL_3, 0x26); ff7b52d6645f1ac sw.multimedia 2021-08-31 1608 reg_write(priv, REG_VIDFORMAT, 0x06); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1609 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1610 reg_write(priv, REG_VIDFORMAT, 0x00); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1611 reg_write16(priv, REG_REFPIX_MSB, ref_pix); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1612 reg_write16(priv, REG_REFLINE_MSB, ref_line); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1613 reg_write16(priv, REG_NPIX_MSB, n_pix); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1614 reg_write16(priv, REG_NLINE_MSB, n_line); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1615 reg_write16(priv, REG_VS_LINE_STRT_1_MSB, vs1_line_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1616 reg_write16(priv, REG_VS_PIX_STRT_1_MSB, vs1_pix_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1617 reg_write16(priv, REG_VS_LINE_END_1_MSB, vs1_line_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1618 reg_write16(priv, REG_VS_PIX_END_1_MSB, vs1_pix_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1619 reg_write16(priv, REG_VS_LINE_STRT_2_MSB, vs2_line_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1620 reg_write16(priv, REG_VS_PIX_STRT_2_MSB, vs2_pix_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1621 reg_write16(priv, REG_VS_LINE_END_2_MSB, vs2_line_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1622 reg_write16(priv, REG_VS_PIX_END_2_MSB, vs2_pix_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1623 reg_write16(priv, REG_HS_PIX_START_MSB, hs_pix_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1624 reg_write16(priv, REG_HS_PIX_STOP_MSB, hs_pix_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1625 reg_write16(priv, REG_VWIN_START_1_MSB, vwin1_line_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1626 reg_write16(priv, REG_VWIN_END_1_MSB, vwin1_line_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1627 reg_write16(priv, REG_VWIN_START_2_MSB, vwin2_line_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1628 reg_write16(priv, REG_VWIN_END_2_MSB, vwin2_line_e); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1629 reg_write16(priv, REG_DE_START_MSB, de_pix_s); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1630 reg_write16(priv, REG_DE_STOP_MSB, de_pix_e); e7792ce2da5ded8 Rob Clark 2013-01-08 1631 e7792ce2da5ded8 Rob Clark 2013-01-08 1632 if (priv->rev == TDA19988) { e7792ce2da5ded8 Rob Clark 2013-01-08 1633 /* let incoming pixels fill the active space (if any) */ 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1634 reg_write(priv, REG_ENABLE_SPACE, 0x00); e7792ce2da5ded8 Rob Clark 2013-01-08 1635 } e7792ce2da5ded8 Rob Clark 2013-01-08 1636 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1637 /* 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1638 * Always generate sync polarity relative to input sync and 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1639 * revert input stage toggled sync at output stage 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1640 */ 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1641 reg = TBG_CNTRL_1_DWIN_DIS | TBG_CNTRL_1_TGL_EN; 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1642 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1643 reg |= TBG_CNTRL_1_H_TGL; 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1644 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1645 reg |= TBG_CNTRL_1_V_TGL; ff7b52d6645f1ac sw.multimedia 2021-08-31 1646 //reg_write(priv, REG_TBG_CNTRL_1, reg); ff7b52d6645f1ac sw.multimedia 2021-08-31 1647 reg_write(priv, REG_TBG_CNTRL_1, 0x46); 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1648 e7792ce2da5ded8 Rob Clark 2013-01-08 1649 /* must be last register set: */ 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1650 reg_write(priv, REG_TBG_CNTRL_0, 0); c4c11dd160a8cc9 Russell King 2013-08-14 1651 896a4130b8e60cb Russell King 2016-10-23 1652 /* CEA-861B section 6 says that: 896a4130b8e60cb Russell King 2016-10-23 1653 * CEA version 1 (CEA-861) has no support for infoframes. 896a4130b8e60cb Russell King 2016-10-23 1654 * CEA version 2 (CEA-861A) supports version 1 AVI infoframes, 896a4130b8e60cb Russell King 2016-10-23 1655 * and optional basic audio. 896a4130b8e60cb Russell King 2016-10-23 1656 * CEA version 3 (CEA-861B) supports version 1 and 2 AVI infoframes, 896a4130b8e60cb Russell King 2016-10-23 1657 * and optional digital audio, with audio infoframes. 896a4130b8e60cb Russell King 2016-10-23 1658 * 896a4130b8e60cb Russell King 2016-10-23 1659 * Since we only support generation of version 2 AVI infoframes, 896a4130b8e60cb Russell King 2016-10-23 1660 * ignore CEA version 2 and below (iow, behave as if we're a 896a4130b8e60cb Russell King 2016-10-23 1661 * CEA-861 source.) 896a4130b8e60cb Russell King 2016-10-23 1662 */ 896a4130b8e60cb Russell King 2016-10-23 1663 priv->supports_infoframes = priv->connector.display_info.cea_rev >= 3; 896a4130b8e60cb Russell King 2016-10-23 1664 896a4130b8e60cb Russell King 2016-10-23 1665 if (priv->supports_infoframes) { c4c11dd160a8cc9 Russell King 2013-08-14 1666 /* We need to turn HDMI HDCP stuff on to get audio through */ 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1667 reg &= ~TBG_CNTRL_1_DWIN_DIS; 81b53a166f5cdf4 Jean-Francois Moine 2014-01-25 1668 reg_write(priv, REG_TBG_CNTRL_1, reg); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1669 reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(1)); 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1670 reg_set(priv, REG_TX33, TX33_HDMI); c4c11dd160a8cc9 Russell King 2013-08-14 1671 2f7f730a4f0fd33 Jean-Francois Moine 2014-01-25 1672 tda998x_write_avi(priv, adjusted_mode); 45a19dd397886a9 Russell King 2018-12-05 1673 tda998x_write_vsi(priv, adjusted_mode); c4c11dd160a8cc9 Russell King 2013-08-14 1674 82642ab7345d7e7 Russell King 2019-03-01 1675 if (priv->sink_has_audio) 900b2b7250b8fe4 Russell King 2019-03-01 1676 tda998x_configure_audio(priv); 95db3b255fde4e8 Jyri Sarha 2016-08-09 1677 } 319e658c78befa5 Russell King 2016-10-23 1678 319e658c78befa5 Russell King 2016-10-23 1679 mutex_unlock(&priv->audio_mutex); c4c11dd160a8cc9 Russell King 2013-08-14 1680 } e7792ce2da5ded8 Rob Clark 2013-01-08 1681 :::::: The code at line 1605 was first introduced by commit :::::: 81b53a166f5cdf4e5bec47fc8884c994de82dc6b drm/i2c: tda998x: don't read write-only registers :::::: TO: Jean-Francois Moine <moin...@free.fr> :::::: CC: Russell King <rmk+ker...@arm.linux.org.uk> -- 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
