linux-kernel - Re: [PATCH] drm/stm: add COMPILE

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Date:   Fri, 19 May 2017 15:49:09 +0800 (SGT)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        David Airlie <airlied@...ux.ie>, kbuild@...org
Subject: Re: [PATCH] drm/stm: add COMPILE_TEST to Kconfig (fwd)

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@...el.com>
To: kbuild@...org
Cc: Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] drm/stm: add COMPILE_TEST to Kconfig

CC: kbuild-all@...org
In-Reply-To: <1495082711-10535-1-git-send-email-yamada.masahiro@...ionext.com>
TO: Masahiro Yamada <yamada.masahiro@...ionext.com>
CC: dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel.vetter@...el.com>, linux-kernel@...r.kernel.org, Masahiro Yamada <yamada.masahiro@...ionext.com>, Yannick Fertre <yannick.fertre@...com>, Philippe Cornu <philippe.cornu@...com>, David Airlie <airlied@...ux.ie>
CC: linux-kernel@...r.kernel.org, Masahiro Yamada <yamada.masahiro@...ionext.com>, Yannick Fertre <yannick.fertre@...com>, Philippe Cornu <philippe.cornu@...com>, David Airlie <airlied@...ux.ie>

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@...com>
:::::: CC: Eric Anholt <eric@...olt.net>

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