Hi Arun, Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip v5.18-rc4 next-20220426] [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/intel-lab-lkp/linux/commits/Arun-R-Murthy/drm-i915-Support-Async-Flip-on-Linear-buffers/20220426-200801 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-a002-20220425 (https://download.01.org/0day-ci/archive/20220427/202204270658.1ytrplya-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818) 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/intel-lab-lkp/linux/commit/a31035350521698f7d7656a54a3b7e163257bf70 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Arun-R-Murthy/drm-i915-Support-Async-Flip-on-Linear-buffers/20220426-200801 git checkout a31035350521698f7d7656a54a3b7e163257bf70 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_display.c:7532:3: error: unannotated >> fall-through between switch labels [-Werror,-Wimplicit-fallthrough] case I915_FORMAT_MOD_X_TILED: ^ drivers/gpu/drm/i915/display/intel_display.c:7532:3: note: insert 'break;' to avoid fall-through case I915_FORMAT_MOD_X_TILED: ^ break; 1 error generated. vim +7532 drivers/gpu/drm/i915/display/intel_display.c b0b2bed2a1305c Ville Syrjälä 2022-02-14 7458 b0b2bed2a1305c Ville Syrjälä 2022-02-14 7459 static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct intel_crtc *crtc) 30ff93af9e19db Karthik B S 2020-09-21 7460 { 30ff93af9e19db Karthik B S 2020-09-21 7461 struct drm_i915_private *i915 = to_i915(state->base.dev); 30ff93af9e19db Karthik B S 2020-09-21 7462 const struct intel_crtc_state *old_crtc_state, *new_crtc_state; 30ff93af9e19db Karthik B S 2020-09-21 7463 const struct intel_plane_state *new_plane_state, *old_plane_state; 30ff93af9e19db Karthik B S 2020-09-21 7464 struct intel_plane *plane; 30ff93af9e19db Karthik B S 2020-09-21 7465 int i; 30ff93af9e19db Karthik B S 2020-09-21 7466 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7467 old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7468 new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7469 b0b2bed2a1305c Ville Syrjälä 2022-02-14 7470 if (!new_crtc_state->uapi.async_flip) b0b2bed2a1305c Ville Syrjälä 2022-02-14 7471 return 0; b0b2bed2a1305c Ville Syrjälä 2022-02-14 7472 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7473 if (!new_crtc_state->hw.active) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7474 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7475 "[CRTC:%d:%s] not active\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7476 crtc->base.base.id, crtc->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7477 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7478 } 30ff93af9e19db Karthik B S 2020-09-21 7479 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7480 if (intel_crtc_needs_modeset(new_crtc_state)) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7481 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7482 "[CRTC:%d:%s] modeset required\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7483 crtc->base.base.id, crtc->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7484 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7485 } 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7486 30ff93af9e19db Karthik B S 2020-09-21 7487 if (old_crtc_state->active_planes != new_crtc_state->active_planes) { 30ff93af9e19db Karthik B S 2020-09-21 7488 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7489 "[CRTC:%d:%s] Active planes cannot be in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7490 crtc->base.base.id, crtc->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7491 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7492 } 30ff93af9e19db Karthik B S 2020-09-21 7493 30ff93af9e19db Karthik B S 2020-09-21 7494 for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, 30ff93af9e19db Karthik B S 2020-09-21 7495 new_plane_state, i) { 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7496 if (plane->pipe != crtc->pipe) 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7497 continue; 0826edb6a5e5b3 José Roberto de Souza 2021-10-29 7498 30ff93af9e19db Karthik B S 2020-09-21 7499 /* 2e08437160d1e8 Ville Syrjälä 2022-02-14 7500 * Only async flip capable planes should be in the state 2e08437160d1e8 Ville Syrjälä 2022-02-14 7501 * if we're really about to ask the hardware to perform 2e08437160d1e8 Ville Syrjälä 2022-02-14 7502 * an async flip. We should never get this far otherwise. 30ff93af9e19db Karthik B S 2020-09-21 7503 */ 2e08437160d1e8 Ville Syrjälä 2022-02-14 7504 if (drm_WARN_ON(&i915->drm, 2e08437160d1e8 Ville Syrjälä 2022-02-14 7505 new_crtc_state->do_async_flip && !plane->async_flip)) 30ff93af9e19db Karthik B S 2020-09-21 7506 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7507 2e08437160d1e8 Ville Syrjälä 2022-02-14 7508 /* 2e08437160d1e8 Ville Syrjälä 2022-02-14 7509 * Only check async flip capable planes other planes 2e08437160d1e8 Ville Syrjälä 2022-02-14 7510 * may be involved in the initial commit due to 2e08437160d1e8 Ville Syrjälä 2022-02-14 7511 * the wm0/ddb optimization. 2e08437160d1e8 Ville Syrjälä 2022-02-14 7512 * 2e08437160d1e8 Ville Syrjälä 2022-02-14 7513 * TODO maybe should track which planes actually 2e08437160d1e8 Ville Syrjälä 2022-02-14 7514 * were requested to do the async flip... 2e08437160d1e8 Ville Syrjälä 2022-02-14 7515 */ 2e08437160d1e8 Ville Syrjälä 2022-02-14 7516 if (!plane->async_flip) 2e08437160d1e8 Ville Syrjälä 2022-02-14 7517 continue; 2e08437160d1e8 Ville Syrjälä 2022-02-14 7518 30ff93af9e19db Karthik B S 2020-09-21 7519 /* 30ff93af9e19db Karthik B S 2020-09-21 7520 * FIXME: This check is kept generic for all platforms. 244dba4cb59637 Lucas De Marchi 2021-07-28 7521 * Need to verify this for all gen9 platforms to enable 30ff93af9e19db Karthik B S 2020-09-21 7522 * this selectively if required. 30ff93af9e19db Karthik B S 2020-09-21 7523 */ 30ff93af9e19db Karthik B S 2020-09-21 7524 switch (new_plane_state->hw.fb->modifier) { a3103535052169 Arun R Murthy 2022-04-26 7525 case DRM_FORMAT_MOD_LINEAR: a3103535052169 Arun R Murthy 2022-04-26 7526 if (DISPLAY_VER(i915) < 12) { a3103535052169 Arun R Murthy 2022-04-26 7527 drm_dbg_kms(&i915->drm, a3103535052169 Arun R Murthy 2022-04-26 7528 "[PLANE:%d:%s] Modifier does not support async flips\n", a3103535052169 Arun R Murthy 2022-04-26 7529 plane->base.base.id, plane->base.name); a3103535052169 Arun R Murthy 2022-04-26 7530 return -EINVAL; a3103535052169 Arun R Murthy 2022-04-26 7531 } 30ff93af9e19db Karthik B S 2020-09-21 @7532 case I915_FORMAT_MOD_X_TILED: 30ff93af9e19db Karthik B S 2020-09-21 7533 case I915_FORMAT_MOD_Y_TILED: 30ff93af9e19db Karthik B S 2020-09-21 7534 case I915_FORMAT_MOD_Yf_TILED: 072ce4164f973b Stanislav Lisovskiy 2022-01-18 7535 case I915_FORMAT_MOD_4_TILED: 30ff93af9e19db Karthik B S 2020-09-21 7536 break; 30ff93af9e19db Karthik B S 2020-09-21 7537 default: 30ff93af9e19db Karthik B S 2020-09-21 7538 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7539 "[PLANE:%d:%s] Modifier does not support async flips\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7540 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7541 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7542 } 30ff93af9e19db Karthik B S 2020-09-21 7543 aaec72ee90bccc Ville Syrjälä 2021-10-18 7544 if (new_plane_state->hw.fb->format->num_planes > 1) { aaec72ee90bccc Ville Syrjälä 2021-10-18 7545 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7546 "[PLANE:%d:%s] Planar formats do not support async flips\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7547 plane->base.base.id, plane->base.name); aaec72ee90bccc Ville Syrjälä 2021-10-18 7548 return -EINVAL; aaec72ee90bccc Ville Syrjälä 2021-10-18 7549 } aaec72ee90bccc Ville Syrjälä 2021-10-18 7550 be6c1dd5ac074d Imre Deak 2021-10-27 7551 if (old_plane_state->view.color_plane[0].mapping_stride != be6c1dd5ac074d Imre Deak 2021-10-27 7552 new_plane_state->view.color_plane[0].mapping_stride) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7553 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7554 "[PLANE:%d:%s] Stride cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7555 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7556 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7557 } 30ff93af9e19db Karthik B S 2020-09-21 7558 30ff93af9e19db Karthik B S 2020-09-21 7559 if (old_plane_state->hw.fb->modifier != 30ff93af9e19db Karthik B S 2020-09-21 7560 new_plane_state->hw.fb->modifier) { 30ff93af9e19db Karthik B S 2020-09-21 7561 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7562 "[PLANE:%d:%s] Modifier cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7563 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7564 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7565 } 30ff93af9e19db Karthik B S 2020-09-21 7566 30ff93af9e19db Karthik B S 2020-09-21 7567 if (old_plane_state->hw.fb->format != 30ff93af9e19db Karthik B S 2020-09-21 7568 new_plane_state->hw.fb->format) { 30ff93af9e19db Karthik B S 2020-09-21 7569 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7570 "[PLANE:%d:%s] Pixel format cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7571 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7572 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7573 } 30ff93af9e19db Karthik B S 2020-09-21 7574 30ff93af9e19db Karthik B S 2020-09-21 7575 if (old_plane_state->hw.rotation != 30ff93af9e19db Karthik B S 2020-09-21 7576 new_plane_state->hw.rotation) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7577 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7578 "[PLANE:%d:%s] Rotation cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7579 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7580 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7581 } 30ff93af9e19db Karthik B S 2020-09-21 7582 30ff93af9e19db Karthik B S 2020-09-21 7583 if (!drm_rect_equals(&old_plane_state->uapi.src, &new_plane_state->uapi.src) || 30ff93af9e19db Karthik B S 2020-09-21 7584 !drm_rect_equals(&old_plane_state->uapi.dst, &new_plane_state->uapi.dst)) { 30ff93af9e19db Karthik B S 2020-09-21 7585 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7586 "[PLANE:%d:%s] Size/co-ordinates cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7587 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7588 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7589 } 30ff93af9e19db Karthik B S 2020-09-21 7590 30ff93af9e19db Karthik B S 2020-09-21 7591 if (old_plane_state->hw.alpha != new_plane_state->hw.alpha) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7592 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7593 "[PLANES:%d:%s] Alpha value cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7594 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7595 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7596 } 30ff93af9e19db Karthik B S 2020-09-21 7597 30ff93af9e19db Karthik B S 2020-09-21 7598 if (old_plane_state->hw.pixel_blend_mode != 30ff93af9e19db Karthik B S 2020-09-21 7599 new_plane_state->hw.pixel_blend_mode) { 30ff93af9e19db Karthik B S 2020-09-21 7600 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7601 "[PLANE:%d:%s] Pixel blend mode cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7602 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7603 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7604 } 30ff93af9e19db Karthik B S 2020-09-21 7605 30ff93af9e19db Karthik B S 2020-09-21 7606 if (old_plane_state->hw.color_encoding != new_plane_state->hw.color_encoding) { 30ff93af9e19db Karthik B S 2020-09-21 7607 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7608 "[PLANE:%d:%s] Color encoding cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7609 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7610 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7611 } 30ff93af9e19db Karthik B S 2020-09-21 7612 30ff93af9e19db Karthik B S 2020-09-21 7613 if (old_plane_state->hw.color_range != new_plane_state->hw.color_range) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7614 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7615 "[PLANE:%d:%s] Color range cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7616 plane->base.base.id, plane->base.name); 30ff93af9e19db Karthik B S 2020-09-21 7617 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7618 } ef6ba31dd38405 Anshuman Gupta 2021-09-24 7619 ef6ba31dd38405 Anshuman Gupta 2021-09-24 7620 /* plane decryption is allow to change only in synchronous flips */ 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7621 if (old_plane_state->decrypt != new_plane_state->decrypt) { 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7622 drm_dbg_kms(&i915->drm, 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7623 "[PLANE:%d:%s] Decryption cannot be changed in async flip\n", 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7624 plane->base.base.id, plane->base.name); ef6ba31dd38405 Anshuman Gupta 2021-09-24 7625 return -EINVAL; 30ff93af9e19db Karthik B S 2020-09-21 7626 } 6b4e414ce8dab7 Ville Syrjälä 2022-02-14 7627 } 30ff93af9e19db Karthik B S 2020-09-21 7628 30ff93af9e19db Karthik B S 2020-09-21 7629 return 0; 30ff93af9e19db Karthik B S 2020-09-21 7630 } 30ff93af9e19db Karthik B S 2020-09-21 7631 -- 0-DAY CI Kernel Test Service https://01.org/lkp
