From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38966) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c97qR-00040B-Al for qemu-devel@nongnu.org; Tue, 22 Nov 2016 04:58:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c97qQ-00030A-Au for qemu-devel@nongnu.org; Tue, 22 Nov 2016 04:58:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42316) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c97qQ-0002z8-4Y for qemu-devel@nongnu.org; Tue, 22 Nov 2016 04:58:30 -0500 From: Gerd Hoffmann Date: Tue, 22 Nov 2016 10:58:24 +0100 Message-Id: <1479808704-30321-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH] drm: flip cirrus driver status to "obsolete". List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Airlie , dri-devel@lists.freedesktop.org, qemu-devel@nongnu.org Cc: Gerd Hoffmann , David Airlie , open list Also update Kconfig help text, explaining things: Cirrus is obsolete, the hardware was designed in the 90ies and can't keep up with todays needs. More background: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/ Better alternatives are: - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+) - qxl (DRM_QXL, qemu -vga qxl, works best with spice) - virtio (VIRTIO_GPU), qemu -vga virtio) Signed-off-by: Gerd Hoffmann --- MAINTAINERS | 3 ++- drivers/gpu/drm/cirrus/Kconfig | 9 +++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 84dc747..feb34a3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4037,7 +4037,8 @@ M: Dave Airlie M: Gerd Hoffmann L: qemu-devel@nongnu.org T: git git://git.kraxel.org/linux drm-qemu -S: Odd Fixes +S: Obsolete +W: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/ F: drivers/gpu/drm/cirrus/ RADEON and AMDGPU DRM DRIVERS diff --git a/drivers/gpu/drm/cirrus/Kconfig b/drivers/gpu/drm/cirrus/Kconfig index 04b3c16..ca5c0f2 100644 --- a/drivers/gpu/drm/cirrus/Kconfig +++ b/drivers/gpu/drm/cirrus/Kconfig @@ -7,3 +7,12 @@ config DRM_CIRRUS_QEMU This is a KMS driver for emulated cirrus device in qemu. It is *NOT* intended for real cirrus devices. This requires the modesetting userspace X.org driver. + + Cirrus is obsolete, the hardware was designed in the 90ies + and can't keep up with todays needs. More background: + https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/ + + Better alternatives are: + - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+) + - qxl (DRM_QXL, qemu -vga qxl, works best with spice) + - virtio (VIRTIO_GPU), qemu -vga virtio) -- 1.8.3.1