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From: Simon Ser <contact@emersion.fr>
To: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: amd-gfx@lists.freedesktop.org, Sean Paul <seanpaul@chromium.org>,
	Hersen Wu <hersenxs.wu@amd.com>,
	Harry Wentland <Harry.Wentland@amd.com>,
	Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>,
	Louis Li <Ching-shih.Li@amd.com>
Subject: Re: [PATCH v2] drm/amd/display: Fix two cursor duplication when using overlay
Date: Wed, 18 Aug 2021 10:48:48 +0000	[thread overview]
Message-ID: <SrcUnUUGJquVgjp9P79uV8sv6s-kMHG4wp0S3b4Nh9ksi29EIOye5edofuXkDLRvGfvkkRpQZ9JM7MNqew2B3kFUhaxsonDRXprkAYXaQUo=@emersion.fr> (raw)
In-Reply-To: <20210414000604.3273048-1-Rodrigo.Siqueira@amd.com>

Hm. This patch causes a regression for me. I was using primary + overlay
not covering the whole primary plane + cursor before. This patch breaks it.

This patch makes the overlay plane very useless for me, because the primary
plane is always under the overlay plane.

> Basically, we cannot draw the cursor at the same size and position on
> two separated pipes since it uses extra bandwidth and DML only run
> with one cursor.

I don't understand this limitation. Why would it be necessary to draw the
cursor on two separate pipes? Isn't it only necessary to draw it once on
the overlay pipe, and not draw it on the primary pipe?

  parent reply	other threads:[~2021-08-18 10:48 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-14  0:06 Rodrigo Siqueira
2021-04-14 13:29 ` Harry Wentland
2021-05-10  2:20 ` youling257
2021-05-11  0:37   ` Rodrigo Siqueira
2021-05-11  1:47     ` youling 257
2021-08-18 10:48 ` Simon Ser [this message]
2021-08-18 13:18   ` Rodrigo Siqueira
2021-08-24 13:59     ` Simon Ser
2021-08-24 14:56       ` Kazlauskas, Nicholas
2021-08-24 16:48         ` Harry Wentland
2021-08-27 13:53           ` Simon Ser
2021-08-27 14:04             ` Harry Wentland
2021-08-27 14:12               ` Simon Ser
2021-08-27 13:47         ` Simon Ser

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