From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 104599] corrupted desktop graphics with latest git intel driver Date: Mon, 15 Jan 2018 06:41:54 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1850190833==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 529F06E036 for ; Mon, 15 Jan 2018 06:41:54 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1850190833== Content-Type: multipart/alternative; boundary="15159985140.53BDeDb.30739" Content-Transfer-Encoding: 7bit --15159985140.53BDeDb.30739 Date: Mon, 15 Jan 2018 06:41:54 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D104599 --- Comment #4 from Tapani P=C3=A4lli --- (In reply to Mario Kleiner from comment #3) > This is running the new GNOME based Ubuntu GUI with Gnome-Shell Wayland, > right? >=20 > With "Windows control did not work" you mean it doesn't respond to > mouse-clicks? >=20 > In that case it is known bugs/limitations in gnome-shell for depth 30/10b= pc > mode. GNOME Shells picking code can't handle 10 bit per color channel. >=20 > Additionally Gnome-Shells Wayland compositor doesn't handle anything but > bgrx8888 or bgra8888 framebuffers in its drm/kms backend. It takes whatev= er > framebuffer format it gets, e.g., bgrx1010102 and hands it to the kernel = as > bgrx8888, so the gpu misinterprets a 10 bit image as a 8 bit image during > scanout, which ends badly. Right, so this is NOTOURBUG. Zebulon, your issue should disappear when you = do apt-get update again since allow_rgb10_configs defaults to 'false'. Mario, do you know if there us existing Gnome bug about this? (did not find such) Maybe easiest workaround for them would be to ignore 10bpc until pick= ing and kms backend is fixed. --=20 You are receiving this mail because: You are the assignee for the bug.= --15159985140.53BDeDb.30739 Date: Mon, 15 Jan 2018 06:41:54 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 4 on bug 10459= 9 from Tapani P=C3=A4lli 
(In reply to Mario Kleiner from comment #3)
> This is running the new GNOME based Ubuntu GUI w=
ith Gnome-Shell Wayland,
> right?
>=20
> With "Windows control did not work" you mean it doesn't resp=
ond to
> mouse-clicks?
>=20
> In that case it is known bugs/limitations in gnome-shell for depth 30/=
10bpc
> mode. GNOME Shells picking code can't handle 10 bit per color channel.
>=20
> Additionally Gnome-Shells Wayland compositor doesn't handle anything b=
ut
> bgrx8888 or bgra8888 framebuffers in its drm/kms backend. It takes wha=
tever
> framebuffer format it gets, e.g., bgrx1010102 and hands it to the kern=
el as
> bgrx8888, so the gpu misinterprets a 10 bit image as a 8 bit image dur=
ing
> scanout, which ends badly.

Right, so this is NOTOURBUG. Zebulon, your issue should disappear when you =
do
apt-get update again since allow_rgb10_configs defaults to 'false'.

Mario, do you know if there us existing Gnome bug about this? (did not find
such) Maybe easiest workaround for them would be to ignore 10bpc until pick=
ing
and kms backend is fixed.

You are receiving this mail because:
  • You are the assignee for the bug.
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