linux-stable.git/drivers/gpu/drm/virtio/virtgpu_ioctl.c, branch linux-4.9.y Linux kernel stable tree drm/virtio: Add memory barriers for capset cache. 2019-08-04T07:33:37+00:00 David Riley davidriley@chromium.org 2019-06-10T21:18:10+00:00 34db79aefe86f0fbaeae569322c0549a68473c58 [ Upstream commit 9ff3a5c88e1f1ab17a31402b96d45abe14aab9d7 ] After data is copied to the cache entry, atomic_set is used indicate that the data is the entry is valid without appropriate memory barriers. Similarly the read side was missing the corresponding memory barriers. Signed-off-by: David Riley <davidriley@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20190610211810.253227-5-davidriley@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 9ff3a5c88e1f1ab17a31402b96d45abe14aab9d7 ]

After data is copied to the cache entry, atomic_set is used indicate
that the data is the entry is valid without appropriate memory barriers.
Similarly the read side was missing the corresponding memory barriers.

Signed-off-by: David Riley <davidriley@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190610211810.253227-5-davidriley@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
virtio-gpu: fix ioctl and expose the fixed status to userspace. 2018-05-30T05:50:32+00:00 Dave Airlie airlied@redhat.com 2018-02-21T01:50:03+00:00 bc3d7001d88b6b3ea4092562f346d1520d8cb4d7 [ Upstream commit 9a191b114906457c4b2494c474f58ae4142d4e67 ] This exposes to mesa that it can use the fixed ioctl for querying later cap sets, cap set 1 is forever frozen in time. Signed-off-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20180221015003.22884-1-airlied@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
[ Upstream commit 9a191b114906457c4b2494c474f58ae4142d4e67 ]

This exposes to mesa that it can use the fixed ioctl for querying
later cap sets, cap set 1 is forever frozen in time.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180221015003.22884-1-airlied@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge tag 'drm-qemu-20160921' of git://git.kraxel.org/linux into drm-next 2016-09-28T03:23:07+00:00 Dave Airlie airlied@redhat.com 2016-09-28T03:23:07+00:00 c0d5fb4d0d9224ccaad0475c9b58740873970e7e bugfixes for qemu (bochs, qxl and virtio-gpu) drm drivers * tag 'drm-qemu-20160921' of git://git.kraxel.org/linux: drm/virtio: add real fence context and seqno drm/virtio: drop virtio_gpu_execbuffer_ioctl() wrapping virtio-gpu: avoid possible NULL pointer dereference drm/qxl: reapply cursor after SetCrtc calls bochs: ignore device if there isn't enougth memory 
bugfixes for qemu (bochs, qxl and virtio-gpu) drm drivers

* tag 'drm-qemu-20160921' of git://git.kraxel.org/linux:
  drm/virtio: add real fence context and seqno
  drm/virtio: drop virtio_gpu_execbuffer_ioctl() wrapping
  virtio-gpu: avoid possible NULL pointer dereference
  drm/qxl: reapply cursor after SetCrtc calls
  bochs: ignore device if there isn't enougth memory
drm/virtio: drop virtio_gpu_execbuffer_ioctl() wrapping 2016-09-20T12:25:41+00:00 Gustavo Padovan gustavo.padovan@collabora.co.uk 2016-08-31T16:26:52+00:00 5c32c3dd8501b017e0ce139a2abcd23cc471b773 Instead of wrapping virtio_gpu_execbuffer() to execute the ioctl just execute it directly. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Message-id: 1472660813-28219-1-git-send-email-gustavo@padovan.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
Instead of wrapping virtio_gpu_execbuffer() to execute the ioctl
just execute it directly.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Message-id: 1472660813-28219-1-git-send-email-gustavo@padovan.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
virtio-gpu: Use memdup_user() rather than duplicating its implementation 2016-08-19T08:58:55+00:00 Markus Elfring elfring@users.sourceforge.net 2016-08-18T20:35:14+00:00 7ad61e6b4a79c5057eeb2d6062b0021e33ddc9f6 Reuse existing functionality from memdup_user() instead of keeping duplicate source code. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/401e68fc-5515-7a7a-be2e-503dee676b34@users.sourceforge.net 
Reuse existing functionality from memdup_user() instead of keeping
duplicate source code.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/401e68fc-5515-7a7a-be2e-503dee676b34@users.sourceforge.net
drm: Remove unused drm_device from drm_gem_object_lookup() 2016-05-17T06:47:30+00:00 Chris Wilson chris@chris-wilson.co.uk 2016-05-09T10:04:54+00:00 a8ad0bd84f986072314595d05444719fdf29e412 drm_gem_object_lookup() has never required the drm_device for its file local translation of the user handle to the GEM object. Let's remove the unused parameter and save some space. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: dri-devel@lists.freedesktop.org Cc: Dave Airlie <airlied@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> [danvet: Fixup kerneldoc too.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> 
drm_gem_object_lookup() has never required the drm_device for its file
local translation of the user handle to the GEM object. Let's remove the
unused parameter and save some space.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
[danvet: Fixup kerneldoc too.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
virtio-gpu: mark as a render gpu 2015-10-16T08:44:03+00:00 Dave Airlie airlied@redhat.com 2015-06-16T05:41:56+00:00 f3380a3015541f13c25c980011c046e7114dff3d Also add DRM_RENDER_ALLOW to the ioctls. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
Also add DRM_RENDER_ALLOW to the ioctls.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
virtio-gpu: add 3d/virgl support 2015-10-16T08:44:02+00:00 Gerd Hoffmann kraxel@redhat.com 2014-10-28T11:48:00+00:00 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257 Add the bits needed for opengl rendering support: query capabilities, new virtio commands, drm ioctls. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
Add the bits needed for opengl rendering support: query
capabilities, new virtio commands, drm ioctls.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>