Intel-GFX Archive on lore.kernel.org
 help / color / Atom feed
From: Arkadiusz Miskiewicz <arekm@maven.pl>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Move non-phys cursors into the GTT
Date: Wed, 2 Jun 2010 22:05:42 +0200
Message-ID: <201006022205.42971.arekm@maven.pl> (raw)
In-Reply-To: <1275464504-11460-1-git-send-email-chris@chris-wilson.co.uk>

On Wednesday 02 of June 2010, Chris Wilson wrote:
> Cursors need to be in the GTT domain when being accessed by the GPU.
> Previously this was a fortuitous byproduct of userspace using pwrite()
> to upload the image data into the cursor. The redundant clflush was
> removed in commit 9b8c4a and so the image was no longer being flushed
> out of the caches into main memory. One could also devise a scenario
> where the cursor was rendered by the GPU, prior to being attached as the
> cursor, resulting in similar corruption due to the missing MI_FLUSH.
> 
> Fixes:
> 
>   Bug 28335 - Cursor corruption caused by commit 9b8c4a0b21
>   https://bugs.freedesktop.org/show_bug.cgi?id=28335
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

Tested-by: Arkadiusz Miśkiewicz <arekm@maven.pl>

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

      reply index

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-02  7:41 Chris Wilson
2010-06-02 20:05 ` Arkadiusz Miskiewicz [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=201006022205.42971.arekm@maven.pl \
    --to=arekm@maven.pl \
    --cc=intel-gfx@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Intel-GFX Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/intel-gfx/0 intel-gfx/git/0.git
	git clone --mirror https://lore.kernel.org/intel-gfx/1 intel-gfx/git/1.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 intel-gfx intel-gfx/ https://lore.kernel.org/intel-gfx \
		intel-gfx@lists.freedesktop.org
	public-inbox-index intel-gfx

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.freedesktop.lists.intel-gfx


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git