From: kernel test robot <lkp@intel.com>
To: amit <amittibi123@gmail.com>, neil.armstrong@linaro.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
hanxu5@huaqin.corp-partner.google.com, jesszhan0024@gmail.com,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch,
icenowy@aosc.io, jagan@amarulasolutions.com, linusw@kernel.org,
robert.chiras@nxp.com, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, amit <amittibi123@gmail.com>
Subject: Re: [PATCH] drm/panel: Replace deprecated DCS display-on calls
Date: Sun, 8 Nov 2026 05:44:10 +0800 [thread overview]
Message-ID: <202611080509.DZUY4PHf-lkp@intel.com> (raw)
In-Reply-To: <20261104073813.42429-1-amittibi123@gmail.com>
Hi amit,
kernel test robot noticed the following build warnings:
[auto build test WARNING on v7.4-rc1]
[also build test WARNING on linus/master next-20261105]
[cannot apply to drm-misc/drm-misc-next]
[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/amit/drm-panel-Replace-deprecated-DCS-display-on-calls/20261104-093813
base: v7.4-rc1
patch link: https://lore.kernel.org/r/20261104073813.42429-1-amittibi123%40gmail.com
patch subject: [PATCH] drm/panel: Replace deprecated DCS display-on calls
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20261108/202611080509.DZUY4PHf-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261108/202611080509.DZUY4PHf-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/202611080509.DZUY4PHf-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c:356:10: warning: variable 'ret' is uninitialized when used here [-Wuninitialized]
356 | return ret;
| ^~~
drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c:350:9: note: initialize the variable 'ret' to silence this warning
350 | int ret;
| ^
| = 0
1 warning generated.
vim +/ret +356 drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 342
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 343 static int k101_im2ba02_enable(struct drm_panel *panel)
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 344 {
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 345 struct k101_im2ba02 *ctx = panel_to_k101_im2ba02(panel);
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 346 const struct k101_im2ba02_init_cmd *cmd = &timed_cmds[1];
7bb5e5e01ffc36b amit 2026-11-04 347 struct mipi_dsi_multi_context dsi_ctx = {
7bb5e5e01ffc36b amit 2026-11-04 348 .dsi = ctx->dsi,
7bb5e5e01ffc36b amit 2026-11-04 349 };
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 350 int ret;
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 351
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 352 msleep(150);
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 353
7bb5e5e01ffc36b amit 2026-11-04 354 mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
7bb5e5e01ffc36b amit 2026-11-04 355 if (dsi_ctx.accum_err)
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 @356 return ret;
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 357
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 358 msleep(50);
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 359
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 360 return mipi_dsi_dcs_write_buffer(ctx->dsi, cmd->data, K101_IM2BA02_INIT_CMD_LEN);
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 361 }
fac47b1ebeda3b5 Icenowy Zheng 2020-01-16 362
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2026-11-07 21:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 7:38 amit
2026-11-04 12:11 ` Linus Walleij
2026-11-07 21:44 ` kernel test robot [this message]
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