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From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Thompson <daniel.thompson@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Richard Purdie <rpurdie@rpsys.net>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Lee Jones <lee.jones@linaro.org>,
	Jingoo Han <jingoohan1@gmail.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Yisheng Xie <ysxie@foxmail.com>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>
Subject: Re: [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK"
Date: Mon, 27 May 2019 12:59:38 +0200	[thread overview]
Message-ID: <ee90a071-74b4-e9f0-03f9-2e959c333b1f@samsung.com> (raw)
In-Reply-To: <CAKMK7uHWOY97FqyJ6FU1SYTgegKxm2A+R+X6Vjs0_zn1QGN3KQ@mail.gmail.com>


On 5/24/19 5:28 PM, Daniel Vetter wrote:
> Hi Daniel,
> 
> On Fri, May 24, 2019 at 3:14 PM Daniel Thompson
> <daniel.thompson@linaro.org> wrote:
>>
>> On Fri, May 24, 2019 at 10:53:45AM +0200, Daniel Vetter wrote:
>>> This reverts commit 994efacdf9a087b52f71e620b58dfa526b0cf928.
>>>
>>> The justification is that if hw blanking fails (i.e. fbops->fb_blank)
>>> fails, then we still want to shut down the backlight. Which is exactly
>>> _not_ what fb_blank() does and so rather inconsistent if we end up
>>> with different behaviour between fbcon and direct fbdev usage. Given
>>> that the entire notifier maze is getting in the way anyway I figured
>>> it's simplest to revert this not well justified commit.
>>>
>>> v2: Add static inline to the dummy version.
>>>
>>> Cc: Richard Purdie <rpurdie@rpsys.net>
>>> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
>>> Cc: Lee Jones <lee.jones@linaro.org>
>>> Cc: Daniel Thompson <daniel.thompson@linaro.org>
>>> Cc: Jingoo Han <jingoohan1@gmail.com>
>>> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
>>> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
>>> Cc: Hans de Goede <hdegoede@redhat.com>
>>> Cc: Yisheng Xie <ysxie@foxmail.com>
>>> Cc: linux-fbdev@vger.kernel.org
>>
>> Hi Daniel
>>
>> When this goes round again could you add me to the covering letter?
>>
>> I looked at all three of the patches and no objections on my side but
>> I'm reluctant to send out acks because I'm not sure I understood the
>> wider picture well enough.
> 
> It's one of these patch series with some many different subsystems and
> people you can't cc the cover to all of them or mailing lists start
> rejecting you because too many recipients. I tried to spam sufficient
> mailng lists, but I guess not enough.

BTW Not all relevant patches were posted to linux-fbdev and me (i.e.
"[PATCH 05/33] fbdev/sa1100fb: Remove dead code") - I found them on
other mailing lists but it requires some additional work from me to
find / process them. If possible please Cc: linux-fbdev & me on all
patches in the patchset. Thanks!

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

WARNING: multiple messages have this Message-ID
From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Thompson <daniel.thompson@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Richard Purdie <rpurdie@rpsys.net>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Lee Jones <lee.jones@linaro.org>,
	Jingoo Han <jingoohan1@gmail.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Yisheng Xie <ysxie@foxmail.com>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>
Subject: Re: [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK"
Date: Mon, 27 May 2019 10:59:38 +0000	[thread overview]
Message-ID: <ee90a071-74b4-e9f0-03f9-2e959c333b1f@samsung.com> (raw)
In-Reply-To: <CAKMK7uHWOY97FqyJ6FU1SYTgegKxm2A+R+X6Vjs0_zn1QGN3KQ@mail.gmail.com>


On 5/24/19 5:28 PM, Daniel Vetter wrote:
> Hi Daniel,
> 
> On Fri, May 24, 2019 at 3:14 PM Daniel Thompson
> <daniel.thompson@linaro.org> wrote:
>>
>> On Fri, May 24, 2019 at 10:53:45AM +0200, Daniel Vetter wrote:
>>> This reverts commit 994efacdf9a087b52f71e620b58dfa526b0cf928.
>>>
>>> The justification is that if hw blanking fails (i.e. fbops->fb_blank)
>>> fails, then we still want to shut down the backlight. Which is exactly
>>> _not_ what fb_blank() does and so rather inconsistent if we end up
>>> with different behaviour between fbcon and direct fbdev usage. Given
>>> that the entire notifier maze is getting in the way anyway I figured
>>> it's simplest to revert this not well justified commit.
>>>
>>> v2: Add static inline to the dummy version.
>>>
>>> Cc: Richard Purdie <rpurdie@rpsys.net>
>>> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
>>> Cc: Lee Jones <lee.jones@linaro.org>
>>> Cc: Daniel Thompson <daniel.thompson@linaro.org>
>>> Cc: Jingoo Han <jingoohan1@gmail.com>
>>> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
>>> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
>>> Cc: Hans de Goede <hdegoede@redhat.com>
>>> Cc: Yisheng Xie <ysxie@foxmail.com>
>>> Cc: linux-fbdev@vger.kernel.org
>>
>> Hi Daniel
>>
>> When this goes round again could you add me to the covering letter?
>>
>> I looked at all three of the patches and no objections on my side but
>> I'm reluctant to send out acks because I'm not sure I understood the
>> wider picture well enough.
> 
> It's one of these patch series with some many different subsystems and
> people you can't cc the cover to all of them or mailing lists start
> rejecting you because too many recipients. I tried to spam sufficient
> mailng lists, but I guess not enough.

BTW Not all relevant patches were posted to linux-fbdev and me (i.e.
"[PATCH 05/33] fbdev/sa1100fb: Remove dead code") - I found them on
other mailing lists but it requires some additional work from me to
find / process them. If possible please Cc: linux-fbdev & me on all
patches in the patchset. Thanks!

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

  reply	other threads:[~2019-05-27 10:59 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-24  8:53 [PATCH 00/33] fbcon notifier begone! Daniel Vetter
2019-05-24  8:53 ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 01/33] dummycon: Sprinkle locking checks Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 02/33] fbdev: locking check for fb_set_suspend Daniel Vetter
2019-05-24  8:53 ` [PATCH 03/33] vt: might_sleep() annotation for do_blank_screen Daniel Vetter
2019-05-24  8:53 ` [PATCH 04/33] vt: More locking checks Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-27  7:08   ` Daniel Vetter
2019-05-27  7:08     ` Daniel Vetter
2019-05-27  7:22     ` Greg Kroah-Hartman
2019-05-24  8:53 ` [PATCH 05/33] fbdev/sa1100fb: Remove dead code Daniel Vetter
2019-05-24  8:53 ` [PATCH 06/33] fbdev/cyber2000: Remove struct display Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 07/33] fbdev/aty128fb: Remove dead code Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 08/33] fbcon: s/struct display/struct fbcon_display/ Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 09/33] fbcon: Remove fbcon_has_exited Daniel Vetter
2019-05-25 15:38   ` Sam Ravnborg
2019-05-25 15:38     ` Sam Ravnborg
2019-05-27  6:10     ` Daniel Vetter
2019-05-27  6:10       ` Daniel Vetter
2019-05-27  6:51       ` Sam Ravnborg
2019-05-27  6:51         ` Sam Ravnborg
2019-05-24  8:53 ` [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 11/33] fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-25 15:01   ` Sam Ravnborg
2019-05-25 15:01     ` Sam Ravnborg
2019-05-27  6:13     ` Daniel Vetter
2019-05-27  6:52       ` Sam Ravnborg
2019-05-24  8:53 ` [PATCH 12/33] fbdev/omap: sysfs files can't disappear before the device is gone Daniel Vetter
2019-05-24  8:53 ` [PATCH 13/33] fbdev: " Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 14/33] staging/olpc: lock_fb_info can't fail Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-27  7:10   ` Daniel Vetter
2019-05-27  7:22     ` Greg KH
2019-05-27  7:22       ` Greg KH
2019-05-24  8:53 ` [PATCH 15/33] fbdev/atyfb: " Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 16/33] fbdev: lock_fb_info cannot fail Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 17/33] fbcon: call fbcon_fb_bind directly Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 18/33] fbdev: make unregister/unlink functions not fail Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 19/33] fbdev: unify unlink_framebuffer paths Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 20/33] fbdev/sh_mob: Remove fb notifier callback Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 21/33] fbdev: directly call fbcon_suspended/resumed Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 22/33] fbcon: Call fbcon_mode_deleted/new_modelist directly Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 23/33] fbdev: Call fbcon_get_requirement directly Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK" Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24 13:14   ` Daniel Thompson
2019-05-24 13:14     ` Daniel Thompson
2019-05-24 13:14     ` Daniel Thompson
2019-05-24 15:28     ` Daniel Vetter
2019-05-24 15:28       ` Daniel Vetter
2019-05-27 10:59       ` Bartlomiej Zolnierkiewicz [this message]
2019-05-27 10:59         ` Bartlomiej Zolnierkiewicz
2019-05-24  8:53 ` [PATCH 25/33] fbmem: pull fbcon_fb_blanked out of fb_blank Daniel Vetter
2019-05-25 17:00   ` Sam Ravnborg
2019-05-25 17:00     ` Sam Ravnborg
2019-05-24  8:53 ` [PATCH 26/33] fbdev: remove FBINFO_MISC_USEREVENT around fb_blank Daniel Vetter
2019-05-24  8:53 ` [PATCH 27/33] fb: Flatten control flow in fb_set_var Daniel Vetter
2019-05-24  8:53 ` [PATCH 28/33] fbcon: replace FB_EVENT_MODE_CHANGE/_ALL with direct calls Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 29/33] vgaswitcheroo: call fbcon_remap_all directly Daniel Vetter
2019-05-24  8:53   ` Daniel Vetter
2019-05-24  8:53 ` [PATCH 30/33] fbcon: Call con2fb_map functions directly Daniel Vetter
2019-05-24  8:53 ` [PATCH 31/33] fbcon: Document what I learned about fbcon locking Daniel Vetter
2019-05-24  8:53 ` [PATCH 32/33] staging/olpc_dcon: Add drm conversion to TODO Daniel Vetter
2019-05-27  7:11   ` Daniel Vetter
2019-05-27  7:11     ` Daniel Vetter
2019-05-27  7:22     ` Greg KH
2019-05-24  8:53 ` [PATCH 33/33] backlight: simplify lcd notifier Daniel Vetter
2019-05-24 11:03 ` ✗ Fi.CI.CHECKPATCH: warning for fbcon notifier begone! (rev3) Patchwork
2019-05-24 11:18 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-05-24 11:23 ` ✓ Fi.CI.BAT: success " Patchwork
2019-05-25 17:19 ` [PATCH 00/33] fbcon notifier begone! Sam Ravnborg
2019-05-27  7:17   ` Daniel Vetter
2019-05-27 11:56     ` Daniel Vetter
2019-05-25 17:24 ` ✗ Fi.CI.IGT: failure for fbcon notifier begone! (rev3) Patchwork
2019-05-26 15:34 ` ✗ Fi.CI.CHECKPATCH: warning for fbcon notifier begone! (rev4) Patchwork
2019-05-26 15:49 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-05-26 15:53 ` ✓ Fi.CI.BAT: success " Patchwork
2019-05-27 11:02 ` ✓ Fi.CI.IGT: " Patchwork
  -- strict thread matches above, loose matches on Subject: below --
2019-05-28  9:02 [PATCH 00/33] fbcon notifier begone v3! Daniel Vetter
2019-05-28  9:02 ` [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK" Daniel Vetter
2019-05-28  9:02   ` Daniel Vetter
2019-06-11 14:09   ` Daniel Thompson
2019-06-11 14:09     ` Daniel Thompson
2019-06-11 14:09     ` Daniel Thompson
2019-06-11 15:39     ` Daniel Vetter
2019-06-11 15:39       ` Daniel Vetter
2019-05-20  8:21 [PATCH 00/33] fbcon notifier begone! Daniel Vetter
2019-05-20  8:22 ` [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK" Daniel Vetter
2019-05-20  8:22   ` Daniel Vetter

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