Re: [PATCH] drm/stm: add COMPILE_TEST to Kconfig (fwd)

From: Julia Lawall
Date: Fri May 19 2017 - 03:49:55 EST


On line 466, the preceeding comment suggests that the second constant
should start with VS rather than HS again.

julia

---------- Forwarded message ----------
Date: Fri, 19 May 2017 15:45:39 +0800
From: kbuild test robot <fengguang.wu@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: Re: [PATCH] drm/stm: add COMPILE_TEST to Kconfig

CC: kbuild-all@xxxxxx
In-Reply-To: <1495082711-10535-1-git-send-email-yamada.masahiro@xxxxxxxxxxxxx>
TO: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
CC: dri-devel@xxxxxxxxxxxxxxxxxxxxx, Daniel Vetter <daniel.vetter@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Yannick Fertre <yannick.fertre@xxxxxx>, Philippe Cornu <philippe.cornu@xxxxxx>, David Airlie <airlied@xxxxxxxx>
CC: linux-kernel@xxxxxxxxxxxxxxx, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Yannick Fertre <yannick.fertre@xxxxxx>, Philippe Cornu <philippe.cornu@xxxxxx>, David Airlie <airlied@xxxxxxxx>

Hi Masahiro,

[auto build test WARNING on drm/drm-next]
[cannot apply to v4.12-rc1 next-20170518]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Masahiro-Yamada/drm-stm-add-COMPILE_TEST-to-Kconfig/20170519-131342
base: git://people.freedesktop.org/~airlied/linux.git drm-next
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago

>> drivers/gpu/drm/stm/ltdc.c:466:7-15: duplicated argument to & or |

git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout c669a25d907f95d3e13f1dae9812642330b4aa28
vim +466 drivers/gpu/drm/stm/ltdc.c

b759012c Yannick Fertre 2017-04-14 450 accum_vbp = vsync + vm.vback_porch;
b759012c Yannick Fertre 2017-04-14 451 accum_act_w = accum_hbp + vm.hactive;
b759012c Yannick Fertre 2017-04-14 452 accum_act_h = accum_vbp + vm.vactive;
b759012c Yannick Fertre 2017-04-14 453 total_width = accum_act_w + vm.hfront_porch;
b759012c Yannick Fertre 2017-04-14 454 total_height = accum_act_h + vm.vfront_porch;
b759012c Yannick Fertre 2017-04-14 455
b759012c Yannick Fertre 2017-04-14 456 clk_disable(ldev->pixel_clk);
b759012c Yannick Fertre 2017-04-14 457
b759012c Yannick Fertre 2017-04-14 458 if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
b759012c Yannick Fertre 2017-04-14 459 DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate);
b759012c Yannick Fertre 2017-04-14 460 return;
b759012c Yannick Fertre 2017-04-14 461 }
b759012c Yannick Fertre 2017-04-14 462
b759012c Yannick Fertre 2017-04-14 463 clk_enable(ldev->pixel_clk);
b759012c Yannick Fertre 2017-04-14 464
b759012c Yannick Fertre 2017-04-14 465 /* Configures the HS, VS, DE and PC polarities. */
b759012c Yannick Fertre 2017-04-14 @466 val = HSPOL_AL | HSPOL_AL | DEPOL_AL | PCPOL_IPC;
b759012c Yannick Fertre 2017-04-14 467
b759012c Yannick Fertre 2017-04-14 468 if (vm.flags & DISPLAY_FLAGS_HSYNC_HIGH)
b759012c Yannick Fertre 2017-04-14 469 val |= HSPOL_AH;
b759012c Yannick Fertre 2017-04-14 470
b759012c Yannick Fertre 2017-04-14 471 if (vm.flags & DISPLAY_FLAGS_VSYNC_HIGH)
b759012c Yannick Fertre 2017-04-14 472 val |= VSPOL_AH;
b759012c Yannick Fertre 2017-04-14 473
b759012c Yannick Fertre 2017-04-14 474 if (vm.flags & DISPLAY_FLAGS_DE_HIGH)

:::::: The code at line 466 was first introduced by commit
:::::: b759012c5fa761ee08998c80fc4ad6343c258487 drm/stm: Add STM32 LTDC driver

:::::: TO: Yannick Fertre <yannick.fertre@xxxxxx>
:::::: CC: Eric Anholt <eric@xxxxxxxxxx>

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