Hi Kandpal, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip v5.17-rc2 next-20220202] [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/Kandpal-Suraj/drm-writeback-connector-changes/20220202-164832 base: git://anongit.freedesktop.org/drm/drm drm-next config: alpha-allmodconfig (https://download.01.org/0day-ci/archive/20220202/202202021914.BKeUA6Fh-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.2.0 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/57ad56d769873f62f87fe432243030ceb1678f87 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kandpal-Suraj/drm-writeback-connector-changes/20220202-164832 git checkout 57ad56d769873f62f87fe432243030ceb1678f87 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/gpu/drm/arm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-review/Kandpal-Suraj/drm-writeback-connector-changes/20220202-164832 HEAD 75bbd0a8b1fb58f702279bfbc2fe2d74db8f7028 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): drivers/gpu/drm/arm/malidp_crtc.c: In function 'malidp_crtc_atomic_check': >> drivers/gpu/drm/arm/malidp_crtc.c:427:47: error: passing argument 1 of 'drm_connector_index' from incompatible pointer type [-Werror=incompatible-pointer-types] 427 | (1 << drm_connector_index(&malidp->mw_connector.base))) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | | | struct drm_connector ** In file included from include/drm/drm_modes.h:33, from include/drm/drm_crtc.h:40, from include/drm/drm_atomic.h:31, from drivers/gpu/drm/arm/malidp_crtc.c:14: include/drm/drm_connector.h:1679:76: note: expected 'const struct drm_connector *' but argument is of type 'struct drm_connector **' 1679 | static inline unsigned int drm_connector_index(const struct drm_connector *connector) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ cc1: some warnings being treated as errors -- drivers/gpu/drm/arm/malidp_mw.c: In function 'malidp_mw_connector_init': >> drivers/gpu/drm/arm/malidp_mw.c:215:37: error: 'malidp->mw_connector.encoder' is a pointer; did you mean to use '->'? 215 | malidp->mw_connector.encoder.possible_crtcs = 1 << drm_crtc_index(&malidp->crtc); | ^ | -> >> drivers/gpu/drm/arm/malidp_mw.c:216:34: error: passing argument 1 of 'drm_connector_helper_add' from incompatible pointer type [-Werror=incompatible-pointer-types] 216 | drm_connector_helper_add(&malidp->mw_connector.base, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | | | struct drm_connector ** In file included from include/drm/drm_atomic_helper.h:32, from drivers/gpu/drm/arm/malidp_mw.c:10: include/drm/drm_modeset_helper_vtables.h:1153:67: note: expected 'struct drm_connector *' but argument is of type 'struct drm_connector **' 1153 | static inline void drm_connector_helper_add(struct drm_connector *connector, | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ drivers/gpu/drm/arm/malidp_mw.c: In function 'malidp_mw_atomic_commit': >> drivers/gpu/drm/arm/malidp_mw.c:239:63: error: 'mw_conn->base' is a pointer; did you mean to use '->'? 239 | struct drm_connector_state *conn_state = mw_conn->base.state; | ^ | -> cc1: some warnings being treated as errors vim +/drm_connector_index +427 drivers/gpu/drm/arm/malidp_crtc.c 28ce675b74742c Mihail Atanassov 2017-02-13 338 ad49f8602fe889 Liviu Dudau 2016-03-07 339 static int malidp_crtc_atomic_check(struct drm_crtc *crtc, 29b77ad7b9ca8c Maxime Ripard 2020-10-28 340 struct drm_atomic_state *state) ad49f8602fe889 Liviu Dudau 2016-03-07 341 { 29b77ad7b9ca8c Maxime Ripard 2020-10-28 342 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, 29b77ad7b9ca8c Maxime Ripard 2020-10-28 343 crtc); ad49f8602fe889 Liviu Dudau 2016-03-07 344 struct malidp_drm *malidp = crtc_to_malidp_device(crtc); ad49f8602fe889 Liviu Dudau 2016-03-07 345 struct malidp_hw_device *hwdev = malidp->dev; ad49f8602fe889 Liviu Dudau 2016-03-07 346 struct drm_plane *plane; ad49f8602fe889 Liviu Dudau 2016-03-07 347 const struct drm_plane_state *pstate; ad49f8602fe889 Liviu Dudau 2016-03-07 348 u32 rot_mem_free, rot_mem_usable; ad49f8602fe889 Liviu Dudau 2016-03-07 349 int rotated_planes = 0; 6954f24588ebdd Mihail Atanassov 2017-02-13 350 int ret; ad49f8602fe889 Liviu Dudau 2016-03-07 351 ad49f8602fe889 Liviu Dudau 2016-03-07 352 /* ad49f8602fe889 Liviu Dudau 2016-03-07 353 * check if there is enough rotation memory available for planes 66da13a519b331 Liviu Dudau 2018-10-02 354 * that need 90° and 270° rotion or planes that are compressed. 66da13a519b331 Liviu Dudau 2018-10-02 355 * Each plane has set its required memory size in the ->plane_check() 66da13a519b331 Liviu Dudau 2018-10-02 356 * callback, here we only make sure that the sums are less that the 66da13a519b331 Liviu Dudau 2018-10-02 357 * total usable memory. ad49f8602fe889 Liviu Dudau 2016-03-07 358 * ad49f8602fe889 Liviu Dudau 2016-03-07 359 * The rotation memory allocation algorithm (for each plane): 66da13a519b331 Liviu Dudau 2018-10-02 360 * a. If no more rotated or compressed planes exist, all remaining 66da13a519b331 Liviu Dudau 2018-10-02 361 * rotate memory in the bank is available for use by the plane. 66da13a519b331 Liviu Dudau 2018-10-02 362 * b. If other rotated or compressed planes exist, and plane's 66da13a519b331 Liviu Dudau 2018-10-02 363 * layer ID is DE_VIDEO1, it can use all the memory from first bank 66da13a519b331 Liviu Dudau 2018-10-02 364 * if secondary rotation memory bank is available, otherwise it can ad49f8602fe889 Liviu Dudau 2016-03-07 365 * use up to half the bank's memory. 66da13a519b331 Liviu Dudau 2018-10-02 366 * c. If other rotated or compressed planes exist, and plane's layer ID 66da13a519b331 Liviu Dudau 2018-10-02 367 * is not DE_VIDEO1, it can use half of the available memory. ad49f8602fe889 Liviu Dudau 2016-03-07 368 * ad49f8602fe889 Liviu Dudau 2016-03-07 369 * Note: this algorithm assumes that the order in which the planes are ad49f8602fe889 Liviu Dudau 2016-03-07 370 * checked always has DE_VIDEO1 plane first in the list if it is ad49f8602fe889 Liviu Dudau 2016-03-07 371 * rotated. Because that is how we create the planes in the first ad49f8602fe889 Liviu Dudau 2016-03-07 372 * place, under current DRM version things work, but if ever the order ad49f8602fe889 Liviu Dudau 2016-03-07 373 * in which drm_atomic_crtc_state_for_each_plane() iterates over planes ad49f8602fe889 Liviu Dudau 2016-03-07 374 * changes, we need to pre-sort the planes before validation. ad49f8602fe889 Liviu Dudau 2016-03-07 375 */ ad49f8602fe889 Liviu Dudau 2016-03-07 376 ad49f8602fe889 Liviu Dudau 2016-03-07 377 /* first count the number of rotated planes */ 29b77ad7b9ca8c Maxime Ripard 2020-10-28 378 drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { 66da13a519b331 Liviu Dudau 2018-10-02 379 struct drm_framebuffer *fb = pstate->fb; 66da13a519b331 Liviu Dudau 2018-10-02 380 66da13a519b331 Liviu Dudau 2018-10-02 381 if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier) ad49f8602fe889 Liviu Dudau 2016-03-07 382 rotated_planes++; ad49f8602fe889 Liviu Dudau 2016-03-07 383 } ad49f8602fe889 Liviu Dudau 2016-03-07 384 ad49f8602fe889 Liviu Dudau 2016-03-07 385 rot_mem_free = hwdev->rotation_memory[0]; ad49f8602fe889 Liviu Dudau 2016-03-07 386 /* ad49f8602fe889 Liviu Dudau 2016-03-07 387 * if we have more than 1 plane using rotation memory, use the second ad49f8602fe889 Liviu Dudau 2016-03-07 388 * block of rotation memory as well ad49f8602fe889 Liviu Dudau 2016-03-07 389 */ ad49f8602fe889 Liviu Dudau 2016-03-07 390 if (rotated_planes > 1) ad49f8602fe889 Liviu Dudau 2016-03-07 391 rot_mem_free += hwdev->rotation_memory[1]; ad49f8602fe889 Liviu Dudau 2016-03-07 392 ad49f8602fe889 Liviu Dudau 2016-03-07 393 /* now validate the rotation memory requirements */ 29b77ad7b9ca8c Maxime Ripard 2020-10-28 394 drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { ad49f8602fe889 Liviu Dudau 2016-03-07 395 struct malidp_plane *mp = to_malidp_plane(plane); ad49f8602fe889 Liviu Dudau 2016-03-07 396 struct malidp_plane_state *ms = to_malidp_plane_state(pstate); 66da13a519b331 Liviu Dudau 2018-10-02 397 struct drm_framebuffer *fb = pstate->fb; ad49f8602fe889 Liviu Dudau 2016-03-07 398 66da13a519b331 Liviu Dudau 2018-10-02 399 if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier) { ad49f8602fe889 Liviu Dudau 2016-03-07 400 /* process current plane */ ad49f8602fe889 Liviu Dudau 2016-03-07 401 rotated_planes--; ad49f8602fe889 Liviu Dudau 2016-03-07 402 ad49f8602fe889 Liviu Dudau 2016-03-07 403 if (!rotated_planes) { ad49f8602fe889 Liviu Dudau 2016-03-07 404 /* no more rotated planes, we can use what's left */ ad49f8602fe889 Liviu Dudau 2016-03-07 405 rot_mem_usable = rot_mem_free; ad49f8602fe889 Liviu Dudau 2016-03-07 406 } else { ad49f8602fe889 Liviu Dudau 2016-03-07 407 if ((mp->layer->id != DE_VIDEO1) || ad49f8602fe889 Liviu Dudau 2016-03-07 408 (hwdev->rotation_memory[1] == 0)) ad49f8602fe889 Liviu Dudau 2016-03-07 409 rot_mem_usable = rot_mem_free / 2; ad49f8602fe889 Liviu Dudau 2016-03-07 410 else ad49f8602fe889 Liviu Dudau 2016-03-07 411 rot_mem_usable = hwdev->rotation_memory[0]; ad49f8602fe889 Liviu Dudau 2016-03-07 412 } ad49f8602fe889 Liviu Dudau 2016-03-07 413 ad49f8602fe889 Liviu Dudau 2016-03-07 414 rot_mem_free -= rot_mem_usable; ad49f8602fe889 Liviu Dudau 2016-03-07 415 ad49f8602fe889 Liviu Dudau 2016-03-07 416 if (ms->rotmem_size > rot_mem_usable) ad49f8602fe889 Liviu Dudau 2016-03-07 417 return -EINVAL; ad49f8602fe889 Liviu Dudau 2016-03-07 418 } ad49f8602fe889 Liviu Dudau 2016-03-07 419 } ad49f8602fe889 Liviu Dudau 2016-03-07 420 8cbc5caf36ef7a Brian Starkey 2017-11-02 421 /* If only the writeback routing has changed, we don't need a modeset */ 29b77ad7b9ca8c Maxime Ripard 2020-10-28 422 if (crtc_state->connectors_changed) { 8cbc5caf36ef7a Brian Starkey 2017-11-02 423 u32 old_mask = crtc->state->connector_mask; 29b77ad7b9ca8c Maxime Ripard 2020-10-28 424 u32 new_mask = crtc_state->connector_mask; 8cbc5caf36ef7a Brian Starkey 2017-11-02 425 8cbc5caf36ef7a Brian Starkey 2017-11-02 426 if ((old_mask ^ new_mask) == 8cbc5caf36ef7a Brian Starkey 2017-11-02 @427 (1 << drm_connector_index(&malidp->mw_connector.base))) 29b77ad7b9ca8c Maxime Ripard 2020-10-28 428 crtc_state->connectors_changed = false; 8cbc5caf36ef7a Brian Starkey 2017-11-02 429 } 8cbc5caf36ef7a Brian Starkey 2017-11-02 430 29b77ad7b9ca8c Maxime Ripard 2020-10-28 431 ret = malidp_crtc_atomic_check_gamma(crtc, crtc_state); 29b77ad7b9ca8c Maxime Ripard 2020-10-28 432 ret = ret ? ret : malidp_crtc_atomic_check_ctm(crtc, crtc_state); 29b77ad7b9ca8c Maxime Ripard 2020-10-28 433 ret = ret ? ret : malidp_crtc_atomic_check_scaling(crtc, crtc_state); 6954f24588ebdd Mihail Atanassov 2017-02-13 434 6954f24588ebdd Mihail Atanassov 2017-02-13 435 return ret; ad49f8602fe889 Liviu Dudau 2016-03-07 436 } ad49f8602fe889 Liviu Dudau 2016-03-07 437 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
