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From: "Murthy, Arun R" <arun.r.murthy@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Support Async Flip on Linear buffers
Date: Thu, 28 Apr 2022 05:35:21 +0000	[thread overview]
Message-ID: <DM6PR11MB3177FDCC1F636934C2650DFBBAFD9@DM6PR11MB3177.namprd11.prod.outlook.com> (raw)
In-Reply-To: <Ymkv9sCuA9SwUIvj@intel.com>

> > > It's supported earlier than that. But IIRC there was some kind of
> > > GTT alignment vs. async flip vs. FBC restriction that we weren't handling.
> > >
> > Should I enable it for earlier Gen also, or is it fine to keep it with starting
> Gen 12.
> > The only restriction that I see in Bspec is that during async flip
> > changes to stride, pixel format, compression, FBC etc is not allowed
> > and I see this is already taken care of. Am I missing anything?
> 
> There is that GTT alignment restriction that should be mentioned
> somewhere. Can't quite remember where it was, maybe in PLANE_SURF.
> 
I checked the BSpec, and don't find anything as such specific for Async flip.
I also cross verified with the hardware team.

> But I guess the bigger question is what is the actual use case for this?
This feature is a requirement for LNL.

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

  reply	other threads:[~2022-04-28  5:35 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-26 12:04 [Intel-gfx] [PATCH] drm/i915: Support Async Flip on Linear buffers Arun R Murthy
2022-04-26 12:37 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2022-04-26 13:09 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-04-26 14:36 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-04-26 18:15 ` [Intel-gfx] [PATCH] " Ville Syrjälä
2022-04-27  2:58   ` Murthy, Arun R
2022-04-27 11:58     ` Ville Syrjälä
2022-04-28  5:35       ` Murthy, Arun R [this message]
2022-05-05  6:33         ` Murthy, Arun R
2022-05-05 14:26           ` Ville Syrjälä
2022-05-05 16:09             ` Murthy, Arun R
2022-05-05 19:22               ` Ville Syrjälä
2022-04-26 23:00 ` kernel test robot
2022-04-27  3:04 ` kernel test robot
2022-06-01  4:24 ` [Intel-gfx] [PATCH v2] " Arun R Murthy
2022-06-14  9:40   ` Murthy, Arun R
2022-06-30 11:57     ` Murthy, Arun R
2022-06-30 12:25   ` Ville Syrjälä
2022-06-30 12:41     ` Murthy, Arun R
2022-06-01  5:21 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Support Async Flip on Linear buffers (rev2) Patchwork
2022-06-01  5:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-06-01  6:55 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-07-04 16:15 ` [Intel-gfx] [PATCHv3] drm/i915: Support Async Flip on Linear buffers Arun R Murthy
2022-08-22  3:36   ` Murthy, Arun R
2022-08-23 12:57   ` Ville Syrjälä
2022-08-24  3:02     ` Murthy, Arun R
2022-08-24 12:17       ` Ville Syrjälä
2022-08-30  6:15         ` Murthy, Arun R
2022-08-30  7:45           ` Ville Syrjälä
2022-08-30  7:57             ` Murthy, Arun R
2022-08-30  8:09               ` Ville Syrjälä
2022-07-04 21:01 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Support Async Flip on Linear buffers (rev3) Patchwork
2022-07-05  2:55 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-09-06  3:48 ` [Intel-gfx] [PATCHv3] drm/i915: Support Async Flip on Linear buffers Arun R Murthy
2022-09-06  4:18   ` Arun R Murthy
2023-03-13  9:30     ` Lisovskiy, Stanislav
2023-03-14  5:21       ` Murthy, Arun R
2022-09-09  3:46   ` Murthy, Arun R
2022-09-14 10:50     ` Murthy, Arun R
2022-09-19  5:08       ` Murthy, Arun R
2022-10-10  7:53         ` Murthy, Arun R
2022-10-28  3:23           ` Murthy, Arun R
2022-10-28  6:31             ` Ville Syrjälä
2022-12-05  3:53               ` Murthy, Arun R
2023-01-13  7:26               ` Murthy, Arun R
2023-01-17  8:39                 ` Murthy, Arun R
2023-01-23  6:43                   ` Murthy, Arun R
2023-02-02  6:51                     ` Murthy, Arun R
2023-02-02  9:24                       ` Ville Syrjälä
2023-02-02 11:28                         ` Murthy, Arun R
2023-02-07  5:51                           ` Murthy, Arun R
2022-09-06  4:03 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Support Async Flip on Linear buffers (rev4) Patchwork
2022-09-06  4:17 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-09-06  5:05 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Support Async Flip on Linear buffers (rev5) Patchwork
2022-09-06  5:20 ` [Intel-gfx] ✗ Fi.CI.IGT: failure for drm/i915: Support Async Flip on Linear buffers (rev4) Patchwork
2022-09-06  6:08 ` [Intel-gfx] ✓ Fi.CI.IGT: success for drm/i915: Support Async Flip on Linear buffers (rev5) Patchwork
2022-11-21  7:25 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Support Async Flip on Linear buffers (rev6) Patchwork
2022-11-21  9:22 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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