Hi Dave, I love your patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip next-20201211] [cannot apply to v5.10-rc7] [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/Dave-Airlie/drm-i915-display-move-needs_modeset-to-an-inline-in-header/20201211-163119 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-a003-20201210 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5ff35356f1af2bb92785b38c657463924d9ec386) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/a5c9dca8844730c679e9716efd016bfe04f9d002 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dave-Airlie/drm-i915-display-move-needs_modeset-to-an-inline-in-header/20201211-163119 git checkout a5c9dca8844730c679e9716efd016bfe04f9d002 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_gen9_plane.c:1396:5: warning: no previous prototype for function 'skl_plane_ctl_crtc' [-Wmissing-prototypes] u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state) ^ drivers/gpu/drm/i915/display/intel_gen9_plane.c:1396:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state) ^ static >> drivers/gpu/drm/i915/display/intel_gen9_plane.c:1416:5: warning: no previous prototype for function 'skl_plane_ctl' [-Wmissing-prototypes] u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, ^ drivers/gpu/drm/i915/display/intel_gen9_plane.c:1416:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, ^ static >> drivers/gpu/drm/i915/display/intel_gen9_plane.c:1455:5: warning: no previous prototype for function 'glk_plane_color_ctl_crtc' [-Wmissing-prototypes] u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state) ^ drivers/gpu/drm/i915/display/intel_gen9_plane.c:1455:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state) ^ static >> drivers/gpu/drm/i915/display/intel_gen9_plane.c:1472:5: warning: no previous prototype for function 'glk_plane_color_ctl' [-Wmissing-prototypes] u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, ^ drivers/gpu/drm/i915/display/intel_gen9_plane.c:1472:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, ^ static 4 warnings generated. vim +/skl_plane_ctl_crtc +1396 drivers/gpu/drm/i915/display/intel_gen9_plane.c 1395 > 1396 u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state) 1397 { 1398 struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); 1399 u32 plane_ctl = 0; 1400 1401 if (crtc_state->uapi.async_flip) 1402 plane_ctl |= PLANE_CTL_ASYNC_FLIP; 1403 1404 if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) 1405 return plane_ctl; 1406 1407 if (crtc_state->gamma_enable) 1408 plane_ctl |= PLANE_CTL_PIPE_GAMMA_ENABLE; 1409 1410 if (crtc_state->csc_enable) 1411 plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE; 1412 1413 return plane_ctl; 1414 } 1415 > 1416 u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, 1417 const struct intel_plane_state *plane_state) 1418 { 1419 struct drm_i915_private *dev_priv = 1420 to_i915(plane_state->uapi.plane->dev); 1421 const struct drm_framebuffer *fb = plane_state->hw.fb; 1422 unsigned int rotation = plane_state->hw.rotation; 1423 const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; 1424 u32 plane_ctl; 1425 1426 plane_ctl = PLANE_CTL_ENABLE; 1427 1428 if (INTEL_GEN(dev_priv) < 10 && !IS_GEMINILAKE(dev_priv)) { 1429 plane_ctl |= skl_plane_ctl_alpha(plane_state); 1430 plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; 1431 1432 if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709) 1433 plane_ctl |= PLANE_CTL_YUV_TO_RGB_CSC_FORMAT_BT709; 1434 1435 if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE) 1436 plane_ctl |= PLANE_CTL_YUV_RANGE_CORRECTION_DISABLE; 1437 } 1438 1439 plane_ctl |= skl_plane_ctl_format(fb->format->format); 1440 plane_ctl |= skl_plane_ctl_tiling(fb->modifier); 1441 plane_ctl |= skl_plane_ctl_rotate(rotation & DRM_MODE_ROTATE_MASK); 1442 1443 if (INTEL_GEN(dev_priv) >= 10) 1444 plane_ctl |= cnl_plane_ctl_flip(rotation & 1445 DRM_MODE_REFLECT_MASK); 1446 1447 if (key->flags & I915_SET_COLORKEY_DESTINATION) 1448 plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION; 1449 else if (key->flags & I915_SET_COLORKEY_SOURCE) 1450 plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE; 1451 1452 return plane_ctl; 1453 } 1454 > 1455 u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state) 1456 { 1457 struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); 1458 u32 plane_color_ctl = 0; 1459 1460 if (INTEL_GEN(dev_priv) >= 11) 1461 return plane_color_ctl; 1462 1463 if (crtc_state->gamma_enable) 1464 plane_color_ctl |= PLANE_COLOR_PIPE_GAMMA_ENABLE; 1465 1466 if (crtc_state->csc_enable) 1467 plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE; 1468 1469 return plane_color_ctl; 1470 } 1471 > 1472 u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, 1473 const struct intel_plane_state *plane_state) 1474 { 1475 struct drm_i915_private *dev_priv = 1476 to_i915(plane_state->uapi.plane->dev); 1477 const struct drm_framebuffer *fb = plane_state->hw.fb; 1478 struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane); 1479 u32 plane_color_ctl = 0; 1480 1481 plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE; 1482 plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state); 1483 1484 if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) { 1485 switch (plane_state->hw.color_encoding) { 1486 case DRM_COLOR_YCBCR_BT709: 1487 plane_color_ctl |= PLANE_COLOR_CSC_MODE_YUV709_TO_RGB709; 1488 break; 1489 case DRM_COLOR_YCBCR_BT2020: 1490 plane_color_ctl |= 1491 PLANE_COLOR_CSC_MODE_YUV2020_TO_RGB2020; 1492 break; 1493 default: 1494 plane_color_ctl |= 1495 PLANE_COLOR_CSC_MODE_YUV601_TO_RGB601; 1496 } 1497 if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE) 1498 plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE; 1499 } else if (fb->format->is_yuv) { 1500 plane_color_ctl |= PLANE_COLOR_INPUT_CSC_ENABLE; 1501 } 1502 1503 return plane_color_ctl; 1504 } 1505 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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