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Message-ID: <202312102047.S0I69pCs-lkp@intel.com>
Date: Sun, 10 Dec 2023 20:29:23 +0800
From: kernel test robot <lkp@...el.com>
To: Abhinav Kumar <quic_abhinavk@...cinc.com>,
freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
quic_jesszhan@...cinc.com, quic_parellan@...cinc.com,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 10/16] drm/msm/dpu: add CDM related logic to
dpu_hw_ctl layer
Hi Abhinav,
kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20231207]
[also build test WARNING on v6.7-rc4]
[cannot apply to drm-misc/drm-misc-next linus/master v6.7-rc4 v6.7-rc3 v6.7-rc2]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Abhinav-Kumar/drm-msm-dpu-add-formats-check-for-writeback-encoder/20231208-130820
base: next-20231207
patch link: https://lore.kernel.org/r/20231208050641.32582-11-quic_abhinavk%40quicinc.com
patch subject: [PATCH v2 10/16] drm/msm/dpu: add CDM related logic to dpu_hw_ctl layer
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231210/202312102047.S0I69pCs-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231210/202312102047.S0I69pCs-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312102047.S0I69pCs-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c:537:6: warning: variable 'cdm_active' set but not used [-Wunused-but-set-variable]
u32 cdm_active = 0;
^
1 warning generated.
vim +/cdm_active +537 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
528
529
530 static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
531 struct dpu_hw_intf_cfg *cfg)
532 {
533 struct dpu_hw_blk_reg_map *c = &ctx->hw;
534 u32 intf_active = 0;
535 u32 wb_active = 0;
536 u32 mode_sel = 0;
> 537 u32 cdm_active = 0;
538
539 /* CTL_TOP[31:28] carries group_id to collate CTL paths
540 * per VM. Explicitly disable it until VM support is
541 * added in SW. Power on reset value is not disable.
542 */
543 if ((test_bit(DPU_CTL_VM_CFG, &ctx->caps->features)))
544 mode_sel = CTL_DEFAULT_GROUP_ID << 28;
545
546 if (cfg->intf_mode_sel == DPU_CTL_MODE_SEL_CMD)
547 mode_sel |= BIT(17);
548
549 intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
550 wb_active = DPU_REG_READ(c, CTL_WB_ACTIVE);
551 cdm_active = DPU_REG_READ(c, CTL_CDM_ACTIVE);
552
553 if (cfg->intf)
554 intf_active |= BIT(cfg->intf - INTF_0);
555
556 if (cfg->wb)
557 wb_active |= BIT(cfg->wb - WB_0);
558
559 DPU_REG_WRITE(c, CTL_TOP, mode_sel);
560 DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
561 DPU_REG_WRITE(c, CTL_WB_ACTIVE, wb_active);
562
563 if (cfg->merge_3d)
564 DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
565 BIT(cfg->merge_3d - MERGE_3D_0));
566
567 if (cfg->dsc)
568 DPU_REG_WRITE(c, CTL_DSC_ACTIVE, cfg->dsc);
569
570 if (cfg->cdm)
571 DPU_REG_WRITE(c, CTL_CDM_ACTIVE, cfg->cdm);
572 }
573
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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