* drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:3494:82: sparse: sparse: Using plain integer as NULL pointer
@ 2025-12-22 17:34 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-12-22 17:34 UTC (permalink / raw)
To: Ilya Bakoulin
Cc: oe-kbuild-all, linux-kernel, Alex Deucher, Alvin Lee,
Aurabindo Pillai
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9448598b22c50c8a5bb77a9103e2d49f134c9578
commit: f96012baa5d3b4336092855e4e6d24830ea50736 drm/amd/display: add new block sequence-building/executing functions
date: 9 weeks ago
config: i386-randconfig-063-20251221 (https://download.01.org/0day-ci/archive/20251223/202512230120.bouZOGIU-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251223/202512230120.bouZOGIU-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512230120.bouZOGIU-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:3494:82: sparse: sparse: Using plain integer as NULL pointer
vim +3494 drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c
3458
3459 void dcn401_post_unlock_reset_opp_sequence(
3460 struct dc *dc,
3461 struct pipe_ctx *opp_head,
3462 struct block_sequence_state *seq_state)
3463 {
3464 struct display_stream_compressor *dsc = opp_head->stream_res.dsc;
3465 struct dccg *dccg = dc->res_pool->dccg;
3466
3467 /* Wait for all DPP pipes in current mpc blending tree completes double
3468 * buffered disconnection before resetting OPP
3469 */
3470 if (dc->hwss.wait_for_mpcc_disconnect_sequence)
3471 dc->hwss.wait_for_mpcc_disconnect_sequence(dc, dc->res_pool, opp_head, seq_state);
3472
3473 if (dsc) {
3474 bool *is_ungated = NULL;
3475 /* Check DSC power gate status */
3476 if (dc->hwseq && dc->hwseq->funcs.dsc_pg_status) {
3477 hwss_add_dsc_pg_status(seq_state, dc->hwseq, dsc->inst, false);
3478 }
3479
3480 /* Seamless update specific where we will postpone non
3481 * double buffered DSCCLK disable logic in post unlock
3482 * sequence after DSC is disconnected from OPP but not
3483 * yet power gated.
3484 */
3485
3486 /* DSC wait disconnect pending clear */
3487 hwss_add_dsc_wait_disconnect_pending_clear(seq_state, dsc, is_ungated);
3488
3489 /* DSC disable */
3490 hwss_add_dsc_disable(seq_state, dsc, is_ungated);
3491
3492 /* Set reference DSCCLK */
3493 if (dccg && dccg->funcs->set_ref_dscclk) {
> 3494 hwss_add_dccg_set_ref_dscclk(seq_state, dccg, dsc->inst, 0);
3495 }
3496 }
3497 }
3498
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:3494:82: sparse: sparse: Using plain integer as NULL pointer
@ 2025-12-24 4:51 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2025-12-24 4:51 UTC (permalink / raw)
To: Ilya Bakoulin
Cc: oe-kbuild-all, linux-kernel, Alex Deucher, Alvin Lee,
Aurabindo Pillai
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b927546677c876e26eba308550207c2ddf812a43
commit: f96012baa5d3b4336092855e4e6d24830ea50736 drm/amd/display: add new block sequence-building/executing functions
date: 9 weeks ago
config: i386-randconfig-063-20251221 (https://download.01.org/0day-ci/archive/20251224/202512241240.tF5GyPW8-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512241240.tF5GyPW8-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512241240.tF5GyPW8-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:3494:82: sparse: sparse: Using plain integer as NULL pointer
vim +3494 drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c
3458
3459 void dcn401_post_unlock_reset_opp_sequence(
3460 struct dc *dc,
3461 struct pipe_ctx *opp_head,
3462 struct block_sequence_state *seq_state)
3463 {
3464 struct display_stream_compressor *dsc = opp_head->stream_res.dsc;
3465 struct dccg *dccg = dc->res_pool->dccg;
3466
3467 /* Wait for all DPP pipes in current mpc blending tree completes double
3468 * buffered disconnection before resetting OPP
3469 */
3470 if (dc->hwss.wait_for_mpcc_disconnect_sequence)
3471 dc->hwss.wait_for_mpcc_disconnect_sequence(dc, dc->res_pool, opp_head, seq_state);
3472
3473 if (dsc) {
3474 bool *is_ungated = NULL;
3475 /* Check DSC power gate status */
3476 if (dc->hwseq && dc->hwseq->funcs.dsc_pg_status) {
3477 hwss_add_dsc_pg_status(seq_state, dc->hwseq, dsc->inst, false);
3478 }
3479
3480 /* Seamless update specific where we will postpone non
3481 * double buffered DSCCLK disable logic in post unlock
3482 * sequence after DSC is disconnected from OPP but not
3483 * yet power gated.
3484 */
3485
3486 /* DSC wait disconnect pending clear */
3487 hwss_add_dsc_wait_disconnect_pending_clear(seq_state, dsc, is_ungated);
3488
3489 /* DSC disable */
3490 hwss_add_dsc_disable(seq_state, dsc, is_ungated);
3491
3492 /* Set reference DSCCLK */
3493 if (dccg && dccg->funcs->set_ref_dscclk) {
> 3494 hwss_add_dccg_set_ref_dscclk(seq_state, dccg, dsc->inst, 0);
3495 }
3496 }
3497 }
3498
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
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