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From: Joonyoung Shim <jy0922.shim@samsung.com>
To: Gustavo Padovan <gustavo@padovan.org>,
	linux-samsung-soc@vger.kernel.org,
	dri-devel@lists.freedesktop.org, inki.dae@samsung.com,
	Daniel Kurtz <djkurtz@chromium.org>
Subject: Re: [PATCH 6/6] drm/exynos: do not copy adjusted mode into mode during crtc mode_set
Date: Mon, 02 Feb 2015 13:55:59 +0900	[thread overview]
Message-ID: <54CF035F.2050502@samsung.com> (raw)
In-Reply-To: <20150130144420.GE30820@joana>

Hi,

On 01/30/2015 11:44 PM, Gustavo Padovan wrote:
> Hi Joonyoung,
> 
> 2015-01-30 Joonyoung Shim <jy0922.shim@samsung.com>:
> 
>> Hi,
>>
>> On 01/23/2015 09:43 PM, Gustavo Padovan wrote:
>>> From: Daniel Kurtz <djkurtz@chromium.org>
>>>
>>> The 'mode' is the modeline information which specifies the ideal mode
>>> requested by the mode set initiator (usually userspace).
>>> The 'adjusted_mode' is the actual hardware mode after all the crtcs
>>> and encoders have had a chance to "fix it up".
>>>
>>> The adjusted_mode starts as a duplicate of the mode in
>>> drm_crtc_helper_set_mode(), and gets modified as required.  There is no
>>> reason to touch the original requested mode.
>>>
>>
>> Agree, but is there any side effect after this commit? Should we save
>> adjusted_mode to other variable and use it?
> 
> I haven't seen any. Tested on peach pi and snow. Do we have any reason to save
> it now? I don't we have a user for it now.
> 

Because current codes use values of adjusted_mode in exynos drm hw drivers.
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  reply	other threads:[~2015-02-02  4:55 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23 12:42 [PATCH 1/6] drm/exynos: remove leftover code using event_list Gustavo Padovan
2015-01-23 12:42 ` [PATCH 2/6] drm/exynos: track vblank events on a per crtc basis Gustavo Padovan
2015-01-27 12:59   ` Daniel Stone
2015-01-27 13:02     ` Daniel Vetter
2015-01-29 17:10   ` [PATCH -v2] " Gustavo Padovan
2015-01-30  2:44     ` Joonyoung Shim
2015-01-30 14:30       ` Gustavo Padovan
2015-01-30 15:57         ` Daniel Stone
2015-01-30 16:08           ` Daniel Vetter
2015-01-30 17:17             ` Gustavo Padovan
2015-02-02  5:38               ` Joonyoung Shim
2015-01-23 12:42 ` [PATCH 3/6] drm/exynos: Remove exynos_plane_dpms() call with no effect Gustavo Padovan
2015-01-30  2:12   ` Joonyoung Shim
2015-01-30 14:36     ` Gustavo Padovan
2015-02-02  4:32       ` Joonyoung Shim
2015-01-23 12:42 ` [PATCH 4/6] drm/exynos: remove leftover functions declarations Gustavo Padovan
2015-01-30  2:48   ` Joonyoung Shim
2015-01-23 12:42 ` [PATCH 5/6] drm/exynos: remove struct *_win_data abstraction on planes Gustavo Padovan
2015-01-30  4:32   ` Joonyoung Shim
2015-01-30 14:42     ` Gustavo Padovan
2015-02-02  4:53       ` Joonyoung Shim
2015-01-23 12:43 ` [PATCH 6/6] drm/exynos: do not copy adjusted mode into mode during crtc mode_set Gustavo Padovan
2015-01-30  4:53   ` Joonyoung Shim
2015-01-30 14:44     ` Gustavo Padovan
2015-02-02  4:55       ` Joonyoung Shim [this message]
2015-02-03 14:16         ` Gustavo Padovan
2015-02-04  2:10           ` Joonyoung Shim
2015-01-30  2:21 ` [PATCH 1/6] drm/exynos: remove leftover code using event_list Joonyoung Shim
2015-01-30 13:37   ` Gustavo Padovan

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