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From: "Murthy, Arun R" <arun.r.murthy@intel.com>
To: "Michel Dänzer" <michel.daenzer@mailbox.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Vivi, Rodrigo" <rodrigo.vivi@intel.com>,
	"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
	"Tvrtko Ursulin" <tursulin@ursulin.net>,
	"xaver.hugl@kde.org" <xaver.hugl@kde.org>,
	"andrealmeid@igalia.com" <andrealmeid@igalia.com>,
	"Kumar, Naveen1" <naveen1.kumar@intel.com>,
	"Syrjala, Ville" <ville.syrjala@intel.com>,
	"Dmitry Baryshkov" <lumag@kernel.org>
Cc: "dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"intel-xe@lists.freedesktop.org" <intel-xe@lists.freedesktop.org>
Subject: Re: [PATCH [RFC] v3 5/7] drm/atomic: Allow planes with NULL fb along with async flip
Date: Mon, 12 Jan 2026 13:56:03 +0530	[thread overview]
Message-ID: <385071a7-15c9-4265-87b0-fe30dcf6f87e@intel.com> (raw)
In-Reply-To: <05ac3e30-b3dc-48ea-96db-1cbdb4454730@mailbox.org>

On 09-01-2026 16:53, Michel Dänzer wrote:
> On 1/9/26 12:08, Murthy, Arun R wrote:
>>> From: Michel Dänzer <michel.daenzer@mailbox.org>
>>> On 1/8/26 10:43, Arun R Murthy wrote:
>>>> Along with async flip if there is a request to disable a sync plane by
>>>> providing a NULL fb allow them.
>>> That could result in async changes to other planes taking effect in an earlier
>>> refresh cycle than the sync plane being disabled, couldn't it? In which case the
>>> commit arguably wouldn't actually be "atomic".
>>>
>> This is the request from the community to allow disabling of a sync plane in an async flip atomic ioctl.
>> https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13834
> Can't see any such request there. I suspect there might be a misunderstanding.

Here cursor is a sync flip.
https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13834#note_2855843

Thanks and Regards,
Arun R Murthy
--------------------


  reply	other threads:[~2026-01-12  8:26 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-08  9:43 [PATCH RFC v3 0/7] Async Flip in Atomic ioctl corrections Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 1/7] drm/atomic/plane: Add plane property for async flip Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 2/7] drm/atomic/plane: create async flip property for plane Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 3/7] drm/atomic: Re-route the async flip based on the flag Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 4/7] drm/atomic: Move the plane property check for async flip to atomic_check Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 5/7] drm/atomic: Allow planes with NULL fb along with async flip Arun R Murthy
2026-01-09  9:43   ` Michel Dänzer
2026-01-09 11:08     ` Murthy, Arun R
2026-01-09 11:23       ` Michel Dänzer
2026-01-12  8:26         ` Murthy, Arun R [this message]
2026-01-12 11:24           ` Michel Dänzer
2026-01-12 15:20             ` Murthy, Arun R
2026-01-12 15:25               ` Michel Dänzer
2026-01-12 16:03               ` Xaver Hugl
2026-01-13  2:47                 ` Murthy, Arun R
2026-01-08  9:43 ` [PATCH [RFC] v3 6/7] drm/atomic: flip_done signal for planes Arun R Murthy
2026-01-08  9:43 ` [PATCH [RFC] v3 7/7] drm/i915/irq: Enable flip_done for each plane on async flip Arun R Murthy
2026-01-08  9:53 ` ✓ CI.KUnit: success for " Patchwork
2026-01-08 10:35 ` ✓ Xe.CI.BAT: " Patchwork
2026-01-08 13:09 ` ✓ Xe.CI.Full: " Patchwork
2026-01-09  9:43 ` [PATCH RFC v3 0/7] Async Flip in Atomic ioctl corrections Michel Dänzer
2026-01-09 11:07   ` Murthy, Arun R
2026-01-09 11:22     ` Michel Dänzer
2026-01-12  8:23       ` Murthy, Arun R
2026-01-12 11:34         ` Michel Dänzer
2026-01-12 15:35           ` Murthy, Arun R
2026-02-11  5:48           ` Murthy, Arun R
2026-02-11  8:57             ` Michel Dänzer
2026-02-11 13:38               ` Murthy, Arun R
2026-02-11 13:51                 ` Michel Dänzer
2026-02-11 13:58                   ` Murthy, Arun R

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